Refactor MapR plugin for Sahara

Implements: blueprint mapr-refactor
Change-Id: Ib4385845a00aab2506dddccb9e6a6f3297a5622d

MANIFEST.in

@@ -31,15 +31,17 @@ include sahara/plugins/hdp/versions/version_1_3_2/resources/*.sh
 include sahara/plugins/hdp/versions/version_2_0_6/resources/*.template
 include sahara/plugins/hdp/versions/version_2_0_6/resources/*.json
 include sahara/plugins/hdp/versions/version_2_0_6/resources/*.sh
-include sahara/plugins/mapr/versions/v4_0_1_mrv2/resources/*.sh
-include sahara/plugins/mapr/versions/v4_0_1_mrv2/resources/*.json
-include sahara/plugins/mapr/versions/v4_0_1_mrv2/resources/*.xml
-include sahara/plugins/mapr/versions/v4_0_1_mrv1/resources/*.sh
-include sahara/plugins/mapr/versions/v4_0_1_mrv1/resources/*.json
-include sahara/plugins/mapr/versions/v4_0_1_mrv1/resources/*.xml
-include sahara/plugins/mapr/versions/v3_1_1/resources/*.sh
-include sahara/plugins/mapr/versions/v3_1_1/resources/*.json
-include sahara/plugins/mapr/versions/v3_1_1/resources/*.xml
+include sahara/plugins/mapr/resources/*.sh
+include sahara/plugins/mapr/services/hbase/resources/*.json
+include sahara/plugins/mapr/services/hive/resources/*.xml
+include sahara/plugins/mapr/services/httpfs/resources/*.json
+include sahara/plugins/mapr/services/mapreduce/resources/*.json
+include sahara/plugins/mapr/services/maprfs/resources/*.conf
+include sahara/plugins/mapr/services/mysql/resources/*.sql
+include sahara/plugins/mapr/services/oozie/resources/*.json
+include sahara/plugins/mapr/services/swift/resources/*.jar
+include sahara/plugins/mapr/services/swift/resources/*.json
+include sahara/plugins/mapr/services/yarn/resources/*.json
 include sahara/plugins/spark/resources/*.xml
 include sahara/plugins/spark/resources/*.sh
 include sahara/plugins/spark/resources/*.template
@@ -49,14 +51,6 @@ include sahara/service/edp/resources/*.jar
 include sahara/service/edp/resources/launch_command.py
 include sahara/swift/resources/*.xml
 include sahara/tests/unit/plugins/vanilla/hadoop2/resources/*.txt
-include sahara/tests/unit/plugins/mapr/utils/resources/*.topology
-include sahara/tests/unit/plugins/mapr/utils/resources/*.json
-include sahara/tests/unit/plugins/mapr/utils/resources/*.data
-include sahara/tests/unit/plugins/mapr/utils/resources/*.properties
-include sahara/tests/unit/plugins/mapr/utils/resources/*.xml
-include sahara/tests/unit/plugins/mapr/utils/resources/bcc_expected/*.conf
-include sahara/tests/unit/plugins/mapr/utils/resources/bcc_expected/*.data
-include sahara/tests/unit/plugins/mapr/utils/resources/bcc_expected/*.xml
 include sahara/tests/unit/resources/*.heat
 include sahara/tests/unit/resources/*.xml
 include sahara/tests/unit/resources/*.txt

requirements.txt

@@ -9,6 +9,7 @@ Babel>=1.3
 eventlet>=0.16.1
 Flask>=0.10,<1.0
 iso8601>=0.1.9
+Jinja2>=2.6  # BSD License (3 clause)
 jsonschema>=2.0.0,<3.0.0
 keystonemiddleware>=1.0.0
 oslo.config>=1.6.0  # Apache-2.0

sahara/plugins/mapr/abstract/cluster_context.py

@@ -0,0 +1,109 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+
+import six
+
+
+@six.add_metaclass(abc.ABCMeta)
+class AbstractClusterContext(object):
+    @abc.abstractproperty
+    def mapr_home(self):
+        return
+
+    @abc.abstractproperty
+    def hadoop_version(self):
+        return
+
+    @abc.abstractproperty
+    def hadoop_home(self):
+        return
+
+    @abc.abstractproperty
+    def hadoop_lib(self):
+        return
+
+    @abc.abstractproperty
+    def hadoop_conf(self):
+        return
+
+    @abc.abstractproperty
+    def cluster(self):
+        return
+
+    @abc.abstractproperty
+    def name_node_uri(self):
+        return
+
+    @abc.abstractproperty
+    def resource_manager_uri(self):
+        return
+
+    @abc.abstractproperty
+    def oozie_server_uri(self):
+        return
+
+    @abc.abstractproperty
+    def oozie_server(self):
+        return
+
+    @abc.abstractproperty
+    def oozie_http(self):
+        return
+
+    @abc.abstractproperty
+    def cluster_mode(self):
+        return
+
+    @abc.abstractproperty
+    def is_node_aware(self):
+        return
+
+    @abc.abstractproperty
+    def some_instance(self):
+        return
+
+    @abc.abstractproperty
+    def distro(self):
+        return
+
+    @abc.abstractproperty
+    def mapr_db(self):
+        return
+
+    @abc.abstractmethod
+    def filter_instances(self, instances, node_process=None, service=None):
+        return
+
+    @abc.abstractmethod
+    def removed_instances(self, node_process=None, service=None):
+        return
+
+    @abc.abstractmethod
+    def added_instances(self, node_process=None, service=None):
+        return
+
+    @abc.abstractmethod
+    def changed_instances(self, node_process=None, service=None):
+        return
+
+    @abc.abstractmethod
+    def existing_instances(self, node_process=None, service=None):
+        return
+
+    @abc.abstractproperty
+    def should_be_restarted(self):
+        return

sahara/plugins/mapr/abstract/cluster_validator.py

@@ -0,0 +1,29 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+
+import six
+
+
+@six.add_metaclass(abc.ABCMeta)
+class AbstractValidator(object):
+    @abc.abstractmethod
+    def validate(self, cluster_context):
+        pass
+
+    @abc.abstractmethod
+    def validate_scaling(self, cluster_context, existing, additional):
+        pass

sahara/plugins/mapr/abstract/configurer.py

@@ -0,0 +1,29 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+
+import six
+
+
+@six.add_metaclass(abc.ABCMeta)
+class AbstractConfigurer(object):
+    @abc.abstractmethod
+    def configure(self, cluster_context, instances=None):
+        pass
+
+    @abc.abstractmethod
+    def update(self, cluster_context, instances=None):
+        pass

sahara/plugins/mapr/abstract/node_manager.py

@@ -0,0 +1,37 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+
+import six
+
+
+@six.add_metaclass(abc.ABCMeta)
+class AbstractNodeManager(object):
+    @abc.abstractmethod
+    def start(self, cluster_context, instances=None):
+        pass
+
+    @abc.abstractmethod
+    def stop(self, cluster_context, instances=None):
+        pass
+
+    @abc.abstractmethod
+    def move_nodes(self, cluster_context, instances):
+        pass
+
+    @abc.abstractmethod
+    def remove_nodes(self, cluster_context, instances):
+        pass

sahara/plugins/mapr/abstract/version_handler.py

@@ -0,0 +1,73 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+
+import six
+
+
+@six.add_metaclass(abc.ABCMeta)
+class AbstractVersionHandler(object):
+    @abc.abstractmethod
+    def get_node_processes(self):
+        return
+
+    @abc.abstractmethod
+    def get_configs(self):
+        return
+
+    @abc.abstractmethod
+    def configure_cluster(self, cluster):
+        pass
+
+    @abc.abstractmethod
+    def start_cluster(self, cluster):
+        pass
+
+    @abc.abstractmethod
+    def validate(self, cluster):
+        pass
+
+    @abc.abstractmethod
+    def validate_scaling(self, cluster, existing, additional):
+        pass
+
+    @abc.abstractmethod
+    def scale_cluster(self, cluster, instances):
+        pass
+
+    @abc.abstractmethod
+    def decommission_nodes(self, cluster, instances):
+        pass
+
+    @abc.abstractmethod
+    def get_edp_engine(self, cluster, job_type):
+        return
+
+    @abc.abstractmethod
+    def get_context(self, cluster, added=None, removed=None):
+        return
+
+    @abc.abstractmethod
+    def get_services(self):
+        return
+
+    @abc.abstractmethod
+    def get_required_services(self):
+        return
+
+    @abc.abstractmethod
+    def get_open_ports(self, node_group):
+        return

sahara/plugins/mapr/base/base_cluster_configurer.py

@@ -0,0 +1,324 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+import os
+
+from oslo_log import log as logging
+import six
+
+from sahara import conductor
+from sahara import context
+import sahara.plugins.mapr.abstract.configurer as ac
+import sahara.plugins.mapr.services.management.management as mng
+import sahara.plugins.mapr.services.mapreduce.mapreduce as mr
+from sahara.plugins.mapr.services.maprfs import maprfs
+from sahara.plugins.mapr.services.mysql import mysql
+import sahara.plugins.mapr.services.yarn.yarn as yarn
+import sahara.plugins.mapr.util.general as util
+from sahara.topology import topology_helper as th
+import sahara.utils.configs as sahara_configs
+from sahara.utils import files as f
+
+
+LOG = logging.getLogger(__name__)
+conductor = conductor.API
+
+MAPR_REPO_DIR = '/opt/mapr-repository'
+_MAPR_HOME = '/opt/mapr'
+_JAVA_HOME = '/usr/java/jdk1.7.0_51'
+_CONFIGURE_SH_TIMEOUT = 600
+_SET_MODE_CMD = 'maprcli cluster mapreduce set -mode '
+
+_TOPO_SCRIPT = 'plugins/mapr/resources/topology.sh'
+
+SERVICE_INSTALL_PRIORITY = [
+    mng.Management(),
+    yarn.YARNv251(),
+    yarn.YARNv241(),
+    mr.MapReduce(),
+    maprfs.MapRFS(),
+]
+
+
+@six.add_metaclass(abc.ABCMeta)
+class BaseConfigurer(ac.AbstractConfigurer):
+    def configure(self, cluster_context, instances=None):
+        instances = instances or cluster_context.get_instances()
+        self._configure_ssh_connection(cluster_context, instances)
+        self._install_mapr_repo(cluster_context, instances)
+        self._install_services(cluster_context, instances)
+        self._configure_topology(cluster_context, instances)
+        self._configure_database(cluster_context, instances)
+        self._configure_services(cluster_context, instances)
+        self._configure_sh_cluster(cluster_context, instances)
+        self._set_cluster_mode(cluster_context)
+        self._write_config_files(cluster_context, instances)
+        self._configure_environment(cluster_context, instances)
+        self._update_cluster_info(cluster_context)
+
+    def update(self, cluster_context, instances=None):
+        LOG.debug('Configuring existing instances')
+        instances = instances or cluster_context.get_instances()
+        existing = cluster_context.existing_instances()
+        self._configure_topology(cluster_context, existing)
+        if cluster_context.has_control_nodes(instances):
+            self._configure_sh_cluster(cluster_context, existing)
+        self._write_config_files(cluster_context, existing)
+        self._update_services(cluster_context, existing)
+        self._restart_services(cluster_context)
+        LOG.debug('Existing instances successfully configured')
+
+    def _configure_services(self, cluster_context, instances):
+        for service in cluster_context.cluster_services:
+            service.configure(cluster_context, instances)
+
+    def _install_services(self, cluster_context, instances):
+        for service in self._service_install_sequence(cluster_context):
+            service.install(cluster_context, instances)
+
+    def _service_install_sequence(self, cluster_context):
+        def key(service):
+            if service in SERVICE_INSTALL_PRIORITY:
+                return SERVICE_INSTALL_PRIORITY.index(service)
+            return -1
+
+        return sorted(cluster_context.cluster_services, key=key, reverse=True)
+
+    def _configure_topology(self, context, instances):
+        LOG.debug('Configuring cluster topology')
+        is_node_aware = context.is_node_aware
+        if is_node_aware:
+            topo = th.generate_topology_map(context.cluster, is_node_aware)
+            topo = '\n'.join(['%s %s' % i for i in six.iteritems(topo)])
+            data_path = '%s/topology.data' % context.mapr_home
+            script_path = '%s/topology.sh' % context.mapr_home
+            files = {
+                data_path: topo,
+                script_path: f.get_file_text(_TOPO_SCRIPT),
+            }
+            chmod_cmd = 'chmod +x %s' % script_path
+            for instance in instances:
+                with instance.remote() as r:
+                    r.write_files_to(files, run_as_root=True)
+                    r.execute_command(chmod_cmd, run_as_root=True)
+        else:
+            LOG.debug('Data locality is disabled.')
+        LOG.debug('Cluster topology successfully configured')
+
+    def _execute_on_instances(self, function, cluster_context, instances,
+                              **kwargs):
+        with context.ThreadGroup() as tg:
+            for instance in instances:
+                tg.spawn('%s-execution' % function.__name__,
+                         function, instance, **kwargs)
+
+    def _write_config_files(self, cluster_context, instances):
+        LOG.debug('Writing config files')
+
+        def get_node_groups(instances):
+            return util.unique_list(instances, lambda i: i.node_group)
+
+        for ng in get_node_groups(instances):
+            ng_services = cluster_context.get_cluster_services(ng)
+            ng_user_configs = ng.configuration()
+            ng_default_configs = cluster_context.get_services_configs_dict(
+                ng_services)
+            ng_configs = sahara_configs.merge_configs(
+                ng_default_configs, ng_user_configs)
+            ng_config_files = dict()
+            for service in ng_services:
+                service_conf_files = service.get_config_files(
+                    cluster_context=cluster_context,
+                    configs=ng_configs[service.ui_name],
+                    instance=ng.instances[0]
+                )
+                LOG.debug('Rendering %s config files', service.ui_name)
+                for conf_file in service_conf_files:
+                    ng_config_files.update({
+                        conf_file.remote_path: conf_file.render()
+                    })
+
+            ng_instances = filter(lambda i: i in instances, ng.instances)
+            self._write_ng_config_files(ng_instances, ng_config_files)
+        LOG.debug('Config files successfully written')
+
+    def _write_ng_config_files(self, instances, conf_files):
+        with context.ThreadGroup() as tg:
+            for instance in instances:
+                tg.spawn('write-config-files-%s' % instance.id,
+                         self._write_config_files_instance, instance,
+                         conf_files)
+
+    def _configure_environment(self, cluster_context, instances):
+        self.configure_general_environment(cluster_context, instances)
+        self._post_install_services(cluster_context, instances)
+
+    def _configure_database(self, cluster_context, instances):
+        mysql_instance = mysql.MySQL.get_db_instance(cluster_context)
+        distro_name = cluster_context.distro.name
+        mysql.MySQL.install_mysql(mysql_instance, distro_name)
+        mysql.MySQL.start_mysql_server(cluster_context)
+        mysql.MySQL.create_databases(cluster_context, instances)
+
+    @staticmethod
+    def _write_config_files_instance(instance, config_files):
+        paths = six.iterkeys(config_files)
+        with instance.remote() as r:
+            for path in paths:
+                r.execute_command('mkdir -p ' + os.path.dirname(path),
+                                  run_as_root=True)
+            r.write_files_to(config_files, run_as_root=True)
+
+    def _post_install_services(self, cluster_context, instances):
+        LOG.debug('Executing service post install hooks')
+        for s in cluster_context.cluster_services:
+            s.post_install(cluster_context, instances)
+        LOG.debug('Post install hooks execution successfully executed')
+
+    def _update_cluster_info(self, cluster_context):
+        LOG.debug('Updating UI information.')
+        info = dict()
+        for service in cluster_context.cluster_services:
+            for uri_info in service.ui_info:
+                title, process, url = uri_info
+                info.update({
+                    title: {
+                        'WebUI': url % cluster_context.get_instance_ip(process)
+                    }
+                })
+
+        ctx = context.ctx()
+        conductor.cluster_update(ctx, cluster_context.cluster, {'info': info})
+
+    def configure_general_environment(self, cluster_context, instances=None):
+        LOG.debug('Executing post configure hooks')
+
+        if not instances:
+            instances = cluster_context.get_instances()
+
+        def set_user_password(instance):
+            LOG.debug('Setting password for user "mapr"')
+            if self.mapr_user_exists(instance):
+                with instance.remote() as r:
+                    r.execute_command(
+                        'echo "%s:%s"|chpasswd' % ('mapr', 'mapr'),
+                        run_as_root=True)
+            else:
+                LOG.debug('user "mapr" does not exists')
+
+        def create_home_mapr(instance):
+            target_path = '/home/mapr'
+            LOG.debug("Creating home directory for user 'mapr'")
+            args = {'path': target_path}
+            cmd = 'mkdir -p %(path)s && chown mapr:mapr %(path)s' % args
+            if self.mapr_user_exists(instance):
+                with instance.remote() as r:
+                    r.execute_command(cmd, run_as_root=True)
+            else:
+                LOG.debug('user "mapr" does not exists')
+
+        self._execute_on_instances(set_user_password, cluster_context,
+                                   instances)
+        self._execute_on_instances(create_home_mapr, cluster_context,
+                                   instances)
+
+    def _configure_sh_cluster(self, cluster_context, instances):
+        LOG.debug('Executing configure.sh')
+
+        if not instances:
+            instances = cluster_context.get_instances()
+        script = cluster_context.configure_sh
+
+        db_specs = dict(mysql.MySQL.METRICS_SPECS._asdict())
+        db_specs.update({
+            'host': mysql.MySQL.get_db_instance(cluster_context).fqdn(),
+            'port': mysql.MySQL.MYSQL_SERVER_PORT,
+        })
+
+        with context.ThreadGroup() as tg:
+            for instance in instances:
+                tg.spawn('configure-sh-%s' % instance.id,
+                         self._configure_sh_instance, cluster_context,
+                         instance, script, db_specs)
+        LOG.debug('Executing configure.sh successfully completed')
+
+    def _configure_sh_instance(self, context, instance, command, specs):
+        if not self.mapr_user_exists(instance):
+            command += ' --create-user'
+        if context.check_for_process(instance, mng.METRICS):
+            command += (' -d %(host)s:%(port)s -du %(user)s -dp %(password)s '
+                        '-ds %(db_name)s') % specs
+        with instance.remote() as r:
+            r.execute_command('sudo -i ' + command,
+                              timeout=_CONFIGURE_SH_TIMEOUT)
+
+    def _configure_ssh_connection(self, cluster_context, instances):
+        def keep_alive_connection(instance):
+            echo_param = 'echo "KeepAlive yes" >> ~/.ssh/config'
+            echo_timeout = 'echo "ServerAliveInterval 60" >> ~/.ssh/config'
+            with instance.remote() as r:
+                r.execute_command(echo_param)
+                r.execute_command(echo_timeout)
+
+        self._execute_on_instances(keep_alive_connection,
+                                   cluster_context, instances)
+
+    def mapr_user_exists(self, instance):
+            with instance.remote() as r:
+                ec, out = r.execute_command(
+                    'id -u mapr', run_as_root=True, raise_when_error=False)
+            return ec == 0
+
+    def post_start(self, c_context, instances=None):
+        instances = instances or c_context.get_instances()
+        LOG.debug('Executing service post start hooks')
+        for service in c_context.cluster_services:
+            updated = c_context.filter_instances(instances, service=service)
+            service.post_start(c_context, updated)
+        LOG.debug('Post start hooks execution successfully executed')
+
+    def _set_cluster_mode(self, cluster_context):
+        cluster_mode = cluster_context.cluster_mode
+        if not cluster_mode:
+            return
+        cldb = cluster_context.get_instance(maprfs.CLDB)
+        with cldb.remote() as r:
+            cmd = 'sudo -u mapr maprcli cluster mapreduce set -mode %s'
+            r.execute_command(cmd % cluster_mode)
+
+    def _install_mapr_repo(self, cluster_context, instances):
+        def add_repo(instance, **kwargs):
+            with instance.remote() as r:
+                script = '/tmp/repo_install.sh'
+                data = cluster_context.get_install_repo_script_data()
+                r.write_file_to(script, data, run_as_root=True)
+                r.execute_command('chmod +x %s' % script, run_as_root=True)
+                r.execute_command('%s %s' % (script, kwargs.get('distro')),
+                                  run_as_root=True, raise_when_error=False)
+
+        d_name = cluster_context.distro.name
+        self._execute_on_instances(
+            add_repo, cluster_context, instances, distro=d_name)
+
+    def _update_services(self, c_context, instances):
+        for service in c_context.cluster_services:
+            updated = c_context.filter_instances(instances, service=service)
+            service.update(c_context, updated)
+
+    def _restart_services(self, cluster_context):
+        restart = cluster_context.should_be_restarted
+        for service, instances in six.iteritems(restart):
+            service.restart(util.unique_list(instances))

sahara/plugins/mapr/base/base_cluster_context.py

@@ -0,0 +1,332 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import collections
+
+from oslo_config import cfg
+
+import sahara.exceptions as e
+from sahara.i18n import _
+import sahara.plugins.mapr.abstract.cluster_context as cc
+import sahara.plugins.mapr.domain.distro as distro
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.services.management.management as mng
+import sahara.plugins.mapr.services.maprfs.maprfs as mfs
+import sahara.plugins.mapr.services.oozie.oozie as oozie
+from sahara.plugins.mapr.services.swift import swift
+import sahara.plugins.mapr.services.yarn.yarn as yarn
+import sahara.plugins.mapr.util.general as g
+import sahara.plugins.utils as u
+
+
+CONF = cfg.CONF
+CONF.import_opt("enable_data_locality", "sahara.topology.topology_helper")
+
+
+def _get_node_process_name(node_process):
+    name = None
+    if isinstance(node_process, np.NodeProcess):
+        name = node_process.ui_name
+    elif isinstance(node_process, basestring):
+        name = node_process
+    return name
+
+
+class BaseClusterContext(cc.AbstractClusterContext):
+    def __init__(self, cluster, version_handler, added=None, removed=None):
+        self._cluster = cluster
+        self._distro = None
+        self.all_services_list = version_handler.get_services()
+        self._required_services = version_handler.get_required_services()
+        self._cluster_services = None
+        self._mapr_home = '/opt/mapr'
+        self._name_node_uri = 'maprfs:///'
+        self._cluster_mode = None
+        self._node_aware = None
+        self._oozie_server_uri = None
+        self._oozie_server = None
+        self._oozie_http = None
+        self._some_instance = None
+        self._configure_sh = None
+        self._mapr_db = None
+        self._hadoop_home = None
+        self._hadoop_version = None
+        self._added_instances = added or []
+        self._removed_instances = removed or []
+        self._changed_instances = (
+            self._added_instances + self._removed_instances)
+        self._existing_instances = [i for i in self.get_instances()
+                                    if i not in self._changed_instances]
+        self._restart = collections.defaultdict(list)
+
+    @property
+    def cluster(self):
+        return self._cluster
+
+    @property
+    def cluster_services(self):
+        if not self._cluster_services:
+            self._cluster_services = self.get_cluster_services()
+        return self._cluster_services
+
+    @property
+    def required_services(self):
+        return self._required_services
+
+    @property
+    def mapr_home(self):
+        return self._mapr_home
+
+    @property
+    def hadoop_version(self):
+        return self._hadoop_version
+
+    @property
+    def hadoop_home(self):
+        if not self._hadoop_home:
+            f = '%(mapr_home)s/hadoop/hadoop-%(hadoop_version)s'
+            args = {
+                'mapr_home': self.mapr_home,
+                'hadoop_version': self.hadoop_version,
+            }
+            self._hadoop_home = f % args
+        return self._hadoop_home
+
+    @property
+    def name_node_uri(self):
+        return self._name_node_uri
+
+    @property
+    def oozie_server_uri(self):
+        if not self._oozie_server_uri:
+            oozie_http = self.oozie_http
+            url = 'http://%s/oozie' % oozie_http if oozie_http else None
+            self._oozie_server_uri = url
+        return self._oozie_server_uri
+
+    @property
+    def oozie_server(self):
+        if not self._oozie_server:
+            self._oozie_server = self.get_instance(oozie.OOZIE)
+        return self._oozie_server
+
+    @property
+    def oozie_http(self):
+        if not self._oozie_http:
+            oozie_server = self.oozie_server
+            ip = oozie_server.management_ip if oozie_server else None
+            self._oozie_http = '%s:11000' % ip if ip else None
+        return self._oozie_http
+
+    @property
+    def cluster_mode(self):
+        return self._cluster_mode
+
+    @property
+    def is_node_aware(self):
+        return self._node_aware and CONF.enable_data_locality
+
+    @property
+    def some_instance(self):
+        if not self._some_instance:
+            self._some_instance = self.cluster.node_groups[0].instances[0]
+        return self._some_instance
+
+    @property
+    def distro(self):
+        if not self._distro:
+            self._distro = distro.get(self.some_instance)
+        return self._distro
+
+    @property
+    def mapr_db(self):
+        if self._mapr_db is None:
+            mapr_db = mfs.MapRFS.ENABLE_MAPR_DB_CONFIG
+            mapr_db = self._get_cluster_config_value(mapr_db)
+            self._mapr_db = '-noDB' if not mapr_db else ''
+        return self._mapr_db
+
+    @property
+    def configure_sh(self):
+        if not self._configure_sh:
+            f = ('%(script_path)s'
+                 ' -N %(cluster_name)s'
+                 ' -C %(cldbs)s'
+                 ' -Z %(zookeepers)s'
+                 ' -no-autostart -f %(m7)s')
+            args = {
+                'script_path': '/opt/mapr/server/configure.sh',
+                'cluster_name': self.cluster.name,
+                'cldbs': self.get_cldb_nodes_ip(),
+                'zookeepers': self.get_zookeeper_nodes_ip(),
+                'm7': self.mapr_db
+            }
+            self._configure_sh = f % args
+        return self._configure_sh
+
+    def _get_cluster_config_value(self, config):
+        cluster_configs = self.cluster.cluster_configs
+        service = config.applicable_target
+        name = config.name
+        if service in cluster_configs and name in cluster_configs[service]:
+            return cluster_configs[service][name]
+        else:
+            return config.default_value
+
+    def get_instances(self, node_process=None):
+        name = _get_node_process_name(node_process)
+        return u.get_instances(self.cluster, name)
+
+    def get_instance(self, node_process):
+        name = _get_node_process_name(node_process)
+        i = u.get_instances(self.cluster, name)
+        return i[0] if i else None
+
+    def get_instances_ip(self, node_process):
+        return [i.management_ip for i in self.get_instances(node_process)]
+
+    def get_instance_ip(self, node_process):
+        i = self.get_instance(node_process)
+        return i.management_ip if i else None
+
+    def get_zookeeper_nodes_ip_with_port(self, separator=','):
+        return separator.join(['%s:%s' % (ip, mng.ZK_CLIENT_PORT)
+                               for ip in self.get_instances_ip(mng.ZOOKEEPER)])
+
+    def check_for_process(self, instance, process):
+        processes = instance.node_group.node_processes
+        name = _get_node_process_name(process)
+        return name in processes
+
+    def get_services_configs_dict(self, services=None):
+        if not services:
+            services = self.cluster_services
+        result = dict()
+        for service in services:
+            result.update(service.get_configs_dict())
+        return result
+
+    def get_configure_sh_path(self):
+        return '/opt/mapr/server/configure.sh'
+
+    def get_chosen_service_version(self, service_name):
+        service_configs = self.cluster.cluster_configs.get(service_name, None)
+        if not service_configs:
+            return None
+        return service_configs.get('%s Version' % service_name, None)
+
+    def get_cluster_services(self, node_group=None):
+        node_processes = None
+
+        if node_group:
+            node_processes = node_group.node_processes
+        else:
+            node_processes = [np for ng in self.cluster.node_groups
+                              for np in ng.node_processes]
+            node_processes = g.unique_list(node_processes)
+        services = g.unique_list(node_processes, self.get_service)
+
+        return services + [swift.Swift()]
+
+    def get_service(self, node_process):
+        ui_name = self.get_service_name_by_node_process(node_process)
+        if ui_name is None:
+            raise e.InvalidDataException(
+                _('Service not found in services list'))
+        version = self.get_chosen_service_version(ui_name)
+        service = self._find_service_instance(ui_name, version)
+        if service is None:
+            raise e.InvalidDataException(_('Can not map service'))
+        return service
+
+    def _find_service_instance(self, ui_name, version):
+        for service in self.all_services_list:
+            if service.ui_name == ui_name:
+                if version is not None and service.version != version:
+                    continue
+                return service
+
+    def get_service_name_by_node_process(self, node_process):
+        node_process = _get_node_process_name(node_process)
+        for service in self.all_services_list:
+            node_processes = [np.ui_name for np in service.node_processes]
+            if node_process in node_processes:
+                return service.ui_name
+
+    def get_instances_count(self, node_process=None):
+        name = _get_node_process_name(node_process)
+        return u.get_instances_count(self.cluster, name)
+
+    def get_node_groups(self, node_process=None):
+        name = _get_node_process_name(node_process)
+        return u.get_node_groups(self.cluster, name)
+
+    def get_cldb_nodes_ip(self, separator=','):
+        return separator.join(self.get_instances_ip(mfs.CLDB))
+
+    def get_zookeeper_nodes_ip(self, separator=','):
+        return separator.join(
+            self.get_instances_ip(mng.ZOOKEEPER))
+
+    def get_resourcemanager_ip(self):
+        return self.get_instance_ip(yarn.RESOURCE_MANAGER)
+
+    def get_historyserver_ip(self):
+        return self.get_instance_ip(yarn.HISTORY_SERVER)
+
+    def has_control_nodes(self, instances):
+        for inst in instances:
+            zookeepers = self.check_for_process(inst, mng.ZOOKEEPER)
+            cldbs = self.check_for_process(inst, mfs.CLDB)
+            if zookeepers or cldbs:
+                return True
+        return False
+
+    def is_present(self, service):
+        return service in self.cluster_services
+
+    def filter_instances(self, instances, node_process=None, service=None):
+        if node_process:
+            return filter(
+                lambda i: self.check_for_process(i, node_process), instances)
+        if service:
+            result = []
+            for instance in instances:
+                for node_process in service.node_processes:
+                    if self.check_for_process(instance, node_process):
+                        result += [instance]
+                        break
+            return result
+        return list(instances)
+
+    def removed_instances(self, node_process=None, service=None):
+        instances = self._removed_instances
+        return self.filter_instances(instances, node_process, service)
+
+    def added_instances(self, node_process=None, service=None):
+        instances = self._added_instances
+        return self.filter_instances(instances, node_process, service)
+
+    def changed_instances(self, node_process=None, service=None):
+        instances = self._changed_instances
+        return self.filter_instances(instances, node_process, service)
+
+    def existing_instances(self, node_process=None, service=None):
+        instances = self._existing_instances
+        return self.filter_instances(instances, node_process, service)
+
+    @property
+    def should_be_restarted(self):
+        return self._restart

sahara/plugins/mapr/base/base_cluster_validator.py

@@ -0,0 +1,35 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import sahara.plugins.mapr.abstract.cluster_validator as v
+import sahara.plugins.mapr.util.validation_utils as vu
+import sahara.plugins.mapr.versions.version_handler_factory as vhf
+
+
+class BaseValidator(v.AbstractValidator):
+    def validate(self, cluster_context):
+        for service in cluster_context.required_services:
+            vu.assert_present(service, cluster_context)
+        for service in cluster_context.cluster_services:
+            for rule in service.validation_rules:
+                rule(cluster_context)
+
+    def validate_scaling(self, cluster_context, existing, additional):
+        cluster = cluster_context.cluster
+        version = cluster.hadoop_version
+        handler = vhf.VersionHandlerFactory.get().get_handler(version)
+        cluster = vu.create_fake_cluster(cluster, existing, additional)
+        cluster_context = handler.get_context(cluster)
+        self.validate(cluster_context)

sahara/plugins/mapr/base/base_edp_engine.py

@@ -0,0 +1,86 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import os
+
+import sahara.plugins.mapr.util.maprfs_helper as mfs
+import sahara.plugins.mapr.versions.version_handler_factory as vhf
+import sahara.service.edp.binary_retrievers.dispatch as d
+import sahara.service.edp.oozie.engine as e
+from sahara.utils import edp
+
+
+class MapROozieJobEngine(e.OozieJobEngine):
+    def __init__(self, cluster):
+        super(MapROozieJobEngine, self).__init__(cluster)
+        self.ctx = self._get_cluster_context(self.cluster)
+
+    hdfs_user = 'mapr'
+
+    def get_hdfs_user(self):
+        return MapROozieJobEngine.hdfs_user
+
+    def create_hdfs_dir(self, remote, dir_name):
+        mfs.create_maprfs4_dir(remote, dir_name, self.get_hdfs_user())
+
+    def _upload_workflow_file(self, where, job_dir, wf_xml, hdfs_user):
+        f_name = 'workflow.xml'
+        with where.remote() as r:
+            mfs.put_file_to_maprfs(r, wf_xml, f_name, job_dir, hdfs_user)
+        return os.path.join(job_dir, f_name)
+
+    def _upload_job_files_to_hdfs(self, where, job_dir, job, configs,
+                                  proxy_configs=None):
+        mains = job.mains or []
+        libs = job.libs or []
+        builtin_libs = edp.get_builtin_binaries(job, configs)
+        uploaded_paths = []
+        hdfs_user = self.get_hdfs_user()
+        lib_dir = job_dir + '/lib'
+
+        with where.remote() as r:
+            for m in mains:
+                raw_data = d.get_raw_binary(m, proxy_configs)
+                mfs.put_file_to_maprfs(r, raw_data, m.name, job_dir, hdfs_user)
+                uploaded_paths.append(os.path.join(job_dir, m.name))
+            if len(libs) > 0:
+                self.create_hdfs_dir(r, lib_dir)
+            for l in libs:
+                raw_data = d.get_raw_binary(l, proxy_configs)
+                mfs.put_file_to_maprfs(r, raw_data, l.name, lib_dir,
+                                       hdfs_user)
+                uploaded_paths.append(os.path.join(lib_dir, l.name))
+            for lib in builtin_libs:
+                mfs.put_file_to_maprfs(r, lib['raw'], lib['name'], lib_dir,
+                                       hdfs_user)
+                uploaded_paths.append(lib_dir + '/' + lib['name'])
+        return uploaded_paths
+
+    def get_name_node_uri(self, cluster):
+        return self.ctx.name_node_uri
+
+    def get_oozie_server_uri(self, cluster):
+        return self.ctx.oozie_server_uri
+
+    def get_oozie_server(self, cluster):
+        return self.ctx.oozie_server
+
+    def get_resource_manager_uri(self, cluster):
+        return self.ctx.resource_manager_uri
+
+    def _get_cluster_context(self, cluster):
+        h_version = cluster.hadoop_version
+        v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
+        return v_handler.get_context(cluster)

sahara/plugins/mapr/base/base_node_manager.py

@@ -0,0 +1,184 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import json
+import random
+
+from oslo_log import log as logging
+from oslo_utils import timeutils
+
+from sahara import context
+from sahara.i18n import _
+import sahara.plugins.exceptions as ex
+import sahara.plugins.mapr.abstract.node_manager as s
+import sahara.plugins.mapr.services.management.management as mng
+import sahara.plugins.mapr.services.maprfs.maprfs as mfs
+
+
+LOG = logging.getLogger(__name__)
+
+
+GET_SERVER_ID_CMD = ('maprcli node list -json -filter [ip==%s] -columns id'
+                     ' | grep id | grep -o \'[0-9]*\'')
+NODE_LIST_CMD = 'maprcli node list -json'
+MOVE_NODE_CMD = 'maprcli node move -serverids %s -topology /decommissioned'
+REMOVE_NODE_CMD = ('maprcli node remove -filter [ip==%(ip)s] -nodes %(nodes)s'
+                   ' -zkconnect %(zookeepers)s')
+WAIT_NODE_ALARM_NO_HEARTBEAT = 360
+
+WARDEN_SERVICE = 'warden'
+START = 'start'
+STOP = 'stop'
+DELAY = 5
+DEFAULT_RETRY_COUNT = 10
+
+
+class BaseNodeManager(s.AbstractNodeManager):
+    def move_nodes(self, cluster_context, instances):
+        LOG.debug("Moving the nodes to /decommissioned topology")
+        cldb_instances = self._get_cldb_instances(cluster_context, instances)
+        with random.choice(cldb_instances).remote() as cldb_remote:
+            for instance in instances:
+                with instance.remote() as r:
+                    command = GET_SERVER_ID_CMD % instance.management_ip
+                    ec, out = r.execute_command(command, run_as_root=True)
+                    command = MOVE_NODE_CMD % out.strip()
+                    cldb_remote.execute_command(command, run_as_root=True)
+        LOG.debug("Nodes successfully moved")
+
+    def remove_nodes(self, c_context, instances):
+        LOG.debug("Removing nodes from cluster")
+        cldb_instances = self._get_cldb_instances(c_context, instances)
+        with random.choice(cldb_instances).remote() as cldb_remote:
+            for instance in instances:
+                args = {
+                    'ip': instance.management_ip,
+                    'nodes': instance.fqdn(),
+                    'zookeepers': c_context.get_zookeeper_nodes_ip_with_port(),
+                }
+                command = REMOVE_NODE_CMD % args
+                cldb_remote.execute_command(command, run_as_root=True)
+        LOG.debug("Nodes successfully removed")
+
+    def start(self, cluster_context, instances=None):
+        instances = instances or cluster_context.get_instances()
+        zookeepers = cluster_context.filter_instances(instances, mng.ZOOKEEPER)
+        cldbs = cluster_context.filter_instances(instances, mfs.CLDB)
+        others = filter(
+            lambda i: not cluster_context.check_for_process(i, mfs.CLDB),
+            instances)
+        self._start_zk_nodes(zookeepers)
+        self._start_cldb_nodes(cldbs)
+        self._start_non_cldb_nodes(others)
+        self._await_cldb(cluster_context, instances)
+
+    def stop(self, cluster_context, instances=None):
+        instances = instances or cluster_context.get_instances()
+        zookeepers = cluster_context.filter_instances(instances, mng.ZOOKEEPER)
+        self._stop_zk_nodes(zookeepers)
+        self._stop_warden_on_nodes(instances)
+
+    def _await_cldb(self, cluster_context, instances=None, timeout=600):
+        instances = instances or cluster_context.get_instances()
+        cldb_node = cluster_context.get_instance(mfs.CLDB)
+        start_time = timeutils.utcnow()
+        retry_count = 0
+        with cldb_node.remote() as r:
+            LOG.debug("Waiting %s seconds for CLDB initialization", timeout)
+            while timeutils.delta_seconds(start_time,
+                                          timeutils.utcnow()) < timeout:
+                ec, out = r.execute_command(NODE_LIST_CMD,
+                                            raise_when_error=False)
+                resp = json.loads(out)
+                status = resp['status']
+                if str(status).lower() == 'ok':
+                    ips = [n['ip'] for n in resp['data']]
+                    retry_count += 1
+                    for i in instances:
+                        if (i.management_ip not in ips
+                                and retry_count > DEFAULT_RETRY_COUNT):
+                            raise ex.HadoopProvisionError(_(
+                                "Node failed to connect to CLDB: %s") %
+                                i.management_ip)
+                    break
+                else:
+                    context.sleep(DELAY)
+            else:
+                raise ex.HadoopProvisionError(_("CLDB failed to start"))
+
+    def _start_nodes(self, instances, sys_service):
+        with context.ThreadGroup() as tg:
+            for instance in instances:
+                tg.spawn('start-%s-%s' % (sys_service, instance.id),
+                         self._start_service, instance, sys_service)
+
+    def _stop_nodes(self, instances, sys_service):
+        with context.ThreadGroup() as tg:
+            for instance in instances:
+                tg.spawn('stop-%s-%s' % (sys_service, instance.id),
+                         self._stop_service, instance, sys_service)
+
+    def _start_zk_nodes(self, instances):
+        LOG.debug('Starting ZooKeeper nodes')
+        self._start_nodes(instances, mng.ZOOKEEPER.ui_name)
+        LOG.debug('ZooKeeper nodes successfully started')
+
+    def _start_cldb_nodes(self, instances):
+        LOG.debug('Starting CLDB nodes')
+        self._start_nodes(instances, WARDEN_SERVICE)
+        LOG.debug('CLDB nodes successfully started')
+
+    def _start_non_cldb_nodes(self, instances):
+        LOG.debug('Starting non-control nodes')
+        self._start_nodes(instances, WARDEN_SERVICE)
+        LOG.debug('Non-control nodes successfully started')
+
+    def _stop_zk_nodes(self, instances):
+        self._stop_nodes(instances, mng.ZOOKEEPER.ui_name)
+
+    def _stop_warden_on_nodes(self, instances):
+        self._stop_nodes(instances, WARDEN_SERVICE)
+
+    @staticmethod
+    def _do_service_action(instance, service, action):
+        with instance.remote() as r:
+            cmd = "service mapr-%(service)s %(action)s"
+            args = {'service': service.lower(), 'action': action}
+            cmd = cmd % args
+            LOG.debug(
+                'Executing "%(command)s" on node=%(ip)s',
+                {'command': cmd, 'ip': instance.management_ip}
+            )
+            r.execute_command(cmd, run_as_root=True)
+
+    def _start_service(self, instance, service):
+        return self._do_service_action(instance, service, START)
+
+    def _stop_service(self, instance, service):
+        return self._do_service_action(instance, service, STOP)
+
+    def _get_cldb_instances(self, c_context, instances):
+        current = self._get_current_cluster_instances(c_context, instances)
+        return c_context.filter_instances(current, mfs.CLDB)
+
+    @staticmethod
+    def await_no_heartbeat():
+        delay = WAIT_NODE_ALARM_NO_HEARTBEAT
+        LOG.debug('Waiting for "NO_HEARBEAT" alarm')
+        context.sleep(delay)
+
+    def _get_current_cluster_instances(self, cluster_context, instances):
+        all_instances = cluster_context.get_instances()
+        return [x for x in all_instances if x not in instances]

sahara/plugins/mapr/base/base_version_handler.py

@@ -0,0 +1,126 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import collections as c
+
+import sahara.plugins.mapr.abstract.version_handler as vh
+import sahara.plugins.mapr.base.base_cluster_configurer as base_conf
+import sahara.plugins.mapr.base.base_cluster_validator as bv
+import sahara.plugins.mapr.base.base_edp_engine as edp
+import sahara.plugins.mapr.base.base_node_manager as bs
+import sahara.plugins.mapr.util.general as util
+import sahara.plugins.utils as u
+
+
+class BaseVersionHandler(vh.AbstractVersionHandler):
+    def __init__(self):
+        self._validator = bv.BaseValidator()
+        self._configurer = base_conf.BaseConfigurer()
+        self._node_manager = bs.BaseNodeManager()
+        self._version = None
+        self._required_services = []
+        self._services = []
+        self._node_processes = {}
+        self._configs = []
+
+    def get_edp_engine(self, cluster, job_type):
+        if job_type in edp.MapROozieJobEngine.get_supported_job_types():
+            return edp.MapROozieJobEngine(cluster)
+        return None
+
+    def get_services(self):
+        return self._services
+
+    def get_required_services(self):
+        return self._required_services
+
+    def get_node_processes(self):
+        if not self._node_processes:
+            self._node_processes = {
+                s.ui_name: [np.ui_name for np in s.node_processes]
+                for s in self.get_services() if s.node_processes
+            }
+        return self._node_processes
+
+    def get_configs(self):
+        if not self._configs:
+            configs = [c for s in self.get_services() for c in s.get_configs()]
+            configs += self._get_version_configs()
+            self._configs = util.unique_list(configs)
+        return self._configs
+
+    def _get_version_configs(self):
+        services = self.get_services()
+
+        service_version_dict = c.defaultdict(list)
+        for service in services:
+            service_version_dict[service.ui_name].append(service.version)
+
+        result = []
+        for service in services:
+            versions = service_version_dict[service.ui_name]
+            if len(versions) > 1:
+                result.append(service.get_version_config(versions))
+
+        return result
+
+    def get_configs_dict(self):
+        configs = dict()
+        for service in self.get_services():
+            configs.update(service.get_configs_dict())
+        return configs
+
+    def configure_cluster(self, cluster):
+        instances = u.get_instances(cluster)
+        cluster_context = self.get_context(cluster, added=instances)
+        self._configurer.configure(cluster_context)
+
+    def start_cluster(self, cluster):
+        instances = u.get_instances(cluster)
+        cluster_context = self.get_context(cluster, added=instances)
+        self._node_manager.start(cluster_context)
+        self._configurer.post_start(cluster_context)
+
+    def validate(self, cluster):
+        cluster_context = self.get_context(cluster)
+        self._validator.validate(cluster_context)
+
+    def validate_scaling(self, cluster, existing, additional):
+        cluster_context = self.get_context(cluster)
+        self._validator.validate_scaling(cluster_context, existing, additional)
+
+    def scale_cluster(self, cluster, instances):
+        cluster_context = self.get_context(cluster, added=instances)
+        cluster_context._cluster_services = None
+        self._configurer.configure(cluster_context, instances)
+        self._configurer.update(cluster_context, instances)
+        self._node_manager.start(cluster_context, instances)
+
+    def decommission_nodes(self, cluster, instances):
+        cluster_context = self.get_context(cluster, removed=instances)
+        cluster_context._cluster_services = None
+        self._node_manager.move_nodes(cluster_context, instances)
+        self._node_manager.stop(cluster_context, instances)
+        self._node_manager.await_no_heartbeat()
+        self._node_manager.remove_nodes(cluster_context, instances)
+        self._configurer.update(cluster_context, instances)
+
+    def get_open_ports(self, node_group):
+        result = []
+        for service in self.get_services():
+            for node_process in service.node_processes:
+                if node_process.ui_name in node_group.node_processes:
+                    result += node_process.open_ports
+        return util.unique_list(result)

sahara/plugins/mapr/domain/configuration_file.py

@@ -0,0 +1,132 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import abc
+import os
+
+import jinja2 as j2
+import six
+
+import sahara.exceptions as e
+from sahara.i18n import _
+import sahara.utils.xmlutils as xml
+
+
+@six.add_metaclass(abc.ABCMeta)
+class BaseConfigurationFile(object):
+    def __init__(self, file_name):
+        self.f_name = file_name
+        self._config_dict = dict()
+        self._local_path = None
+        self._remote_path = None
+
+    @property
+    def remote_path(self):
+        return self._remote_path
+
+    @remote_path.setter
+    def remote_path(self, path):
+        self._remote_path = os.path.join(path, self.f_name)
+
+    @abc.abstractmethod
+    def render(self):
+        pass
+
+    @abc.abstractmethod
+    def parse(self, content):
+        pass
+
+    def fetch(self, instance):
+        with instance.remote() as r:
+            content = r.read_file_from(self.remote_path, run_as_root=True)
+            self.parse(content)
+
+    def load_properties(self, config_dict):
+        for k, v in six.iteritems(config_dict):
+            self.add_property(k, v)
+
+    def add_property(self, name, value):
+        self._config_dict[name] = value
+
+    def add_properties(self, properties):
+        for prop in six.iteritems(properties):
+            self.add_property(*prop)
+
+    def _get_config_value(self, name):
+        return self._config_dict.get(name, None)
+
+    def __repr__(self):
+        return '<Configuration file %s>' % self.f_name
+
+
+class HadoopXML(BaseConfigurationFile):
+    def __init__(self, file_name):
+        super(HadoopXML, self).__init__(file_name)
+
+    def parse(self, content):
+        configs = xml.parse_hadoop_xml_with_name_and_value(content)
+        map(lambda i: self.add_property(i['name'], i['value']), configs)
+
+    def render(self):
+        return xml.create_hadoop_xml(self._config_dict)
+
+
+class RawFile(BaseConfigurationFile):
+    def __init__(self, file_name):
+        super(RawFile, self).__init__(file_name)
+
+    def render(self):
+        return self._config_dict.get('content', '')
+
+    def parse(self, content):
+        self._config_dict.update({'content': content})
+
+
+class PropertiesFile(BaseConfigurationFile):
+    def __init__(self, file_name):
+        super(PropertiesFile, self).__init__(file_name)
+
+    def parse(self, content):
+        for line in content.splitlines():
+            prop = line.strip()
+            if len(prop) == 0:
+                continue
+            if prop[0] in ['#', '!']:
+                continue
+            name, value = prop.split("=")
+            self.add_property(name.strip(), value.strip())
+
+    def render(self):
+        lines = ['%s=%s' % (k, v) for k, v in six.iteritems(self._config_dict)]
+        return "\n".join(lines)
+
+
+class TemplateFile(BaseConfigurationFile):
+    def __init__(self, file_name):
+        super(TemplateFile, self).__init__(file_name)
+        self._template = None
+
+    @staticmethod
+    def _j2_render(template, arg_dict):
+        if template:
+            return template.render(arg_dict)
+        else:
+            raise e.InvalidDataException(_('Template object must be defined'))
+
+    def render(self):
+        return self._j2_render(self._template, self._config_dict)
+
+    def parse(self, content):
+        self._template = j2.Template(content)

sahara/plugins/mapr/domain/distro.py

@@ -0,0 +1,81 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+class Distro(object):
+    def __init__(self, name, install_cmd, version_separator):
+        self._name = name
+        self._install_command = install_cmd
+        self._version_separator = version_separator
+
+    @property
+    def name(self):
+        return self._name
+
+    @property
+    def install_command(self):
+        return self._install_command
+
+    @property
+    def version_separator(self):
+        return self._version_separator
+
+    def create_install_cmd(self, packages):
+        s = self.version_separator
+
+        def join_package_version(pv_item):
+            p, v = pv_item if len(pv_item) > 1 else (pv_item[0], None)
+            return p + s + v + '*' if v else p
+
+        packages = ' '.join(map(join_package_version, packages))
+        command = '%(install_cmd)s %(packages)s'
+        args = {'install_cmd': self.install_command, 'packages': packages}
+        return command % args
+
+
+UBUNTU = Distro(
+    name='Ubuntu',
+    install_cmd='apt-get install --force-yes -y',
+    version_separator='=',
+)
+
+CENTOS = Distro(
+    name='CentOS',
+    install_cmd='yum install -y',
+    version_separator='-',
+)
+
+RHEL = Distro(
+    name='RedHatEnterpriseServer',
+    install_cmd='yum install -y',
+    version_separator='-',
+)
+
+SUSE = Distro(
+    name='Suse',
+    install_cmd='zypper',
+    version_separator=':',
+)
+
+
+def get_all():
+    return [UBUNTU, CENTOS, RHEL, SUSE]
+
+
+def get(instance):
+    with instance.remote() as r:
+        name = r.execute_command('cat /etc/*-release', run_as_root=True)[1]
+        for d in get_all():
+            if d.name in name:
+                return d

sahara/plugins/mapr/domain/node_process.py

@@ -0,0 +1,62 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+WARDEN_MANAGED_CMD = ('sudo -u mapr maprcli node services'
+                      ' -name %(service)s'
+                      ' -action %(action)s'
+                      ' -nodes %(nodes)s')
+START_ACTION = 'start'
+STOP_ACTION = 'stop'
+RESTART_ACTION = 'restart'
+
+
+class NodeProcess(object):
+    def __init__(self, name, ui_name, package, open_ports=None):
+        self._name = name
+        self._ui_name = ui_name
+        self._package = package
+        self._open_ports = open_ports or []
+
+    @property
+    def name(self):
+        return self._name
+
+    @property
+    def ui_name(self):
+        return self._ui_name
+
+    @property
+    def package(self):
+        return self._package
+
+    @property
+    def open_ports(self):
+        return self._open_ports
+
+    def start(self, instances):
+        self.execute_action(instances, START_ACTION)
+
+    def restart(self, instances):
+        self.execute_action(instances, RESTART_ACTION)
+
+    def stop(self, instances):
+        self.execute_action(instances, STOP_ACTION)
+
+    def execute_action(self, instances, action):
+        nodes = ','.join(map(lambda i: i.management_ip, instances))
+        args = {'service': self.name, 'action': action, 'nodes': nodes}
+        command = WARDEN_MANAGED_CMD % args
+        with instances[0].remote() as r:
+            r.execute_command(command)

sahara/plugins/mapr/domain/service.py

@@ -0,0 +1,224 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import json
+
+from sahara import context
+import sahara.exceptions as e
+from sahara.i18n import _
+import sahara.plugins.exceptions as ex
+import sahara.plugins.provisioning as p
+from sahara.utils import files as files
+
+
+_INSTALL_PACKAGES_TIMEOUT = 3600
+
+
+class Service(object):
+    def __init__(self):
+        self._name = None
+        self._ui_name = None
+        self._node_processes = []
+        self._version = None
+        self._dependencies = []
+        self._ui_info = []
+        self._cluster_defaults = []
+        self._node_defaults = []
+        self._validation_rules = []
+
+    @property
+    def name(self):
+        return self._name
+
+    @property
+    def ui_name(self):
+        return self._ui_name
+
+    @property
+    def version(self):
+        return self._version
+
+    @property
+    def node_processes(self):
+        return self._node_processes
+
+    @property
+    def dependencies(self):
+        return self._dependencies
+
+    @property
+    def ui_info(self):
+        return self._ui_info
+
+    @property
+    def cluster_defaults(self):
+        return self._cluster_defaults
+
+    @property
+    def node_defaults(self):
+        return self._node_defaults
+
+    @property
+    def validation_rules(self):
+        return self._validation_rules
+
+    def install(self, cluster_context, instances):
+        with context.ThreadGroup() as tg:
+            for instance in instances:
+                tg.spawn('install-packages-%s' % instance.id,
+                         self._install_packages_on_instance, cluster_context,
+                         instance)
+
+    def _install_packages_on_instance(self, cluster_context, instance):
+        processes = [p for p in self.node_processes if
+                     p.ui_name in instance.node_group.node_processes]
+        if processes is not None and len(processes) > 0:
+            packages = self._get_packages(processes)
+            cmd = cluster_context.distro.create_install_cmd(packages)
+            with instance.remote() as r:
+                r.execute_command(cmd, run_as_root=True,
+                                  timeout=_INSTALL_PACKAGES_TIMEOUT,
+                                  raise_when_error=False)
+
+    def _get_packages(self, node_processes):
+        result = []
+
+        result += self.dependencies
+        result += [(np.package, self.version) for np in node_processes]
+
+        return result
+
+    def post_install(self, cluster_context, instances):
+        pass
+
+    def post_start(self, cluster_context, instances):
+        pass
+
+    def configure(self, cluster_context, instances=None):
+        pass
+
+    def update(self, cluster_context, instances=None):
+        pass
+
+    def get_file_path(self, file_name):
+        template = 'plugins/mapr/services/%(service)s/resources/%(file_name)s'
+        args = {'service': self.name, 'file_name': file_name}
+        return template % args
+
+    def get_configs(self):
+        result = []
+
+        for d_file in self.cluster_defaults:
+            data = self._load_config_file(self.get_file_path(d_file))
+            result += [self._create_config_obj(c, self.ui_name) for c in data]
+
+        for d_file in self.node_defaults:
+            data = self._load_config_file(self.get_file_path(d_file))
+            result += [self._create_config_obj(c, self.ui_name, scope='node')
+                       for c in data]
+
+        return result
+
+    def get_configs_dict(self):
+        result = dict()
+        for conf_obj in self.get_configs():
+            result.update({conf_obj.name: conf_obj.default_value})
+        return {self.ui_name: result}
+
+    def _load_config_file(self, file_path=None):
+        return json.loads(files.get_file_text(file_path))
+
+    def get_config_files(self, cluster_context, configs, instance=None):
+        return []
+
+    def _create_config_obj(self, item, target='general', scope='cluster',
+                           high_priority=False):
+        def _prepare_value(value):
+            if isinstance(value, str):
+                return value.strip().lower()
+            return value
+
+        conf_name = _prepare_value(item.get('name', None))
+
+        conf_value = _prepare_value(item.get('value', None))
+
+        if not conf_name:
+            raise ex.HadoopProvisionError(_("Config missing 'name'"))
+
+        if conf_value is None:
+            raise e.InvalidDataException(
+                _("Config '%s' missing 'value'") % conf_name)
+
+        if high_priority or item.get('priority', 2) == 1:
+            priority = 1
+        else:
+            priority = 2
+
+        return p.Config(
+            name=conf_name,
+            applicable_target=target,
+            scope=scope,
+            config_type=item.get('config_type', "string"),
+            config_values=item.get('config_values', None),
+            default_value=conf_value,
+            is_optional=item.get('is_optional', True),
+            description=item.get('description', None),
+            priority=priority)
+
+    def get_version_config(self, versions):
+        return p.Config(
+            name='%s Version' % self._ui_name,
+            applicable_target=self.ui_name,
+            scope='cluster',
+            config_type='dropdown',
+            config_values=[(v, v) for v in sorted(versions, reverse=True)],
+            is_optional=False,
+            description=_('Specify the version of the service'),
+            priority=1)
+
+    def __eq__(self, other):
+        if isinstance(other, self.__class__):
+            version_eq = self.version == other.version
+            ui_name_eq = self.ui_name == other.ui_name
+            return version_eq and ui_name_eq
+        return NotImplemented
+
+    def restart(self, instances):
+        for node_process in self.node_processes:
+            node_process.restart(instances)
+
+    def service_dir(self, cluster_context):
+        args = {'mapr_home': cluster_context.mapr_home, 'name': self.name}
+        return '%(mapr_home)s/%(name)s' % args
+
+    def home_dir(self, cluster_context):
+        args = {
+            'service_dir': self.service_dir(cluster_context),
+            'name': self.name,
+            'version': self.version,
+        }
+        return '%(service_dir)s/%(name)s-%(version)s' % args
+
+    def conf_dir(self, cluster_context):
+        return '%s/conf' % self.home_dir(cluster_context)
+
+
+class Single(type):
+    _instances = {}
+
+    def __call__(cls, *args, **kwargs):
+        if cls not in cls._instances:
+            cls._instances[cls] = super(Single, cls).__call__(*args, **kwargs)
+        return cls._instances[cls]

sahara/plugins/mapr/plugin.py

@@ -1,29 +1,29 @@
-# Copyright (c) 2014, MapR Technologies
+# Copyright (c) 2015, MapR Technologies
 #
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
 #
 #       http://www.apache.org/licenses/LICENSE-2.0
 #
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
 
 
+from sahara.i18n import _
 import sahara.plugins.mapr.versions.version_handler_factory as vhf
 import sahara.plugins.provisioning as p
 
 
 class MapRPlugin(p.ProvisioningPluginBase):
     title = 'MapR Hadoop Distribution'
-    description = ('The MapR Distribution provides a full Hadoop stack that'
-                   ' includes the MapR File System (MapR-FS), MapReduce,'
-                   ' a complete Hadoop ecosystem, and the MapR Control System'
-                   ' user interface')
-    hdfs_user = 'mapr'
+    description = _('The MapR Distribution provides a full Hadoop stack that'
+                    ' includes the MapR File System (MapR-FS), MapReduce,'
+                    ' a complete Hadoop ecosystem, and the MapR Control System'
+                    ' user interface')
 
     def _get_handler(self, hadoop_version):
         return vhf.VersionHandlerFactory.get().get_handler(hadoop_version)
@@ -34,9 +34,6 @@ class MapRPlugin(p.ProvisioningPluginBase):
     def get_description(self):
         return MapRPlugin.description
 
-    def get_hdfs_user(self):
-        return MapRPlugin.hdfs_user
-
     def get_versions(self):
         return vhf.VersionHandlerFactory.get().get_versions()
 
@@ -67,22 +64,10 @@ class MapRPlugin(p.ProvisioningPluginBase):
         v_handler = self._get_handler(cluster.hadoop_version)
         v_handler.decommission_nodes(cluster, instances)
 
-    def get_oozie_server(self, cluster):
-        v_handler = self._get_handler(cluster.hadoop_version)
-        return v_handler.get_oozie_server(cluster)
-
-    def get_name_node_uri(self, cluster):
-        v_handler = self._get_handler(cluster.hadoop_version)
-        return v_handler.get_name_node_uri(cluster)
-
-    def get_oozie_server_uri(self, cluster):
-        v_handler = self._get_handler(cluster.hadoop_version)
-        return v_handler.get_oozie_server_uri(cluster)
-
-    def get_resource_manager_uri(self, cluster):
-        v_handler = self._get_handler(cluster.hadoop_version)
-        return v_handler.get_resource_manager_uri(cluster)
-
     def get_edp_engine(self, cluster, job_type):
         v_handler = self._get_handler(cluster.hadoop_version)
         return v_handler.get_edp_engine(cluster, job_type)
+
+    def get_open_ports(self, node_group):
+        v_handler = self._get_handler(node_group.cluster.hadoop_version)
+        return v_handler.get_open_ports(node_group)

sahara/plugins/mapr/resources/add_mapr_repo.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+if [ "$1" = "Ubuntu" ]; then
+    cat >> /etc/apt/sources.list.d/maprtech.list << EOF
+deb %(ubuntu_mapr_base_repo)s
+deb %(ubuntu_mapr_ecosystem_repo)s
+EOF
+    cat >> /etc/apt/sources.list.d/security_repo.list << EOF
+deb http://security.ubuntu.com/ubuntu precise-security main
+deb http://security.ubuntu.com/ubuntu lucid-security main
+EOF
+    sudo apt-get install -y --force-yes wget
+    wget -O - http://package.mapr.com/releases/pub/maprgpg.key | sudo apt-key add -
+    sudo apt-get update
+
+elif [ "$1" = 'CentOS' -o "$1" = 'RedHatEnterpriseServer' ]; then
+    cat >> /etc/yum.repos.d/maprtech.repo << EOF
+[maprtech]
+name=MapR Technologies
+baseurl=%(centos_mapr_repo)s
+enabled=1
+gpgcheck=0
+protect=1
+
+[maprecosystem]
+name=MapR Technologies
+baseurl=%(centos_mapr_ecosystem_repo)s
+enabled=1
+gpgcheck=0
+protect=1
+EOF
+    rpm --import http://package.mapr.com/releases/pub/maprgpg.key
+    yum install -y wget
+    release=`cat /etc/*-release`
+    if [[ $release =~ 6\.[0-9] ]]; then
+        cd /tmp
+        wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
+        rpm -Uvh epel-release-6*.rpm
+
+    elif [[ $release =~ 7\.[0-9] ]]; then
+        cd /tmp
+        wget http://download.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm
+        rpm -Uvh epel-release-7*.rpm
+    else
+        echo "Unsupported distribution version"
+        exit 1
+    fi
+    rpm -Uvh ftp://rpmfind.net/linux/centos/6.6/os/x86_64/Packages/libevent-1.4.13-4.el6.x86_64.rpm
+else
+    echo "Unknown distribution"
+    exit 1
+fi

sahara/plugins/mapr/resources/install_java.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+set -e
+
+JAVA_TARGET_LOCATION="/usr/java"
+
+export JAVA_DOWNLOAD_URL=${JAVA_DOWNLOAD_URL:-"http://download.oracle.com/otn-pub/java/jdk/7u51-b13/jdk-7u51-linux-x64.tar.gz"}
+
+JAVA_HOME=$TARGET_ROOT$JAVA_TARGET_LOCATION
+
+mkdir -p $JAVA_HOME
+
+JAVA_FILE=$(basename $JAVA_DOWNLOAD_URL)
+wget --no-check-certificate --no-cookies -c \
+    --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" \
+    -O $JAVA_HOME/$JAVA_FILE $JAVA_DOWNLOAD_URL
+if [ $? -eq 0 ]; then
+    echo "Java download successful"
+else
+    echo "Error downloading $JAVA_DOWNLOAD_URL, exiting"
+    exit 1
+fi
+
+
+cd $JAVA_HOME
+if [[ $JAVA_FILE == *.tar.gz ]]; then
+    echo -e "\n" | tar -zxf $JAVA_FILE
+    JAVA_NAME=`ls -1 $JAVA_TARGET_LOCATION | grep -v tar.gz`
+    chown -R root:root $JAVA_HOME
+    cat >> /etc/profile.d/java.sh <<EOF
+# Custom Java install
+export JAVA_HOME=$JAVA_TARGET_LOCATION/$JAVA_NAME
+export PATH=\$PATH:$JAVA_TARGET_LOCATION/$JAVA_NAME/bin
+EOF
+    case "$1" in
+        Ubuntu )
+            update-alternatives --install "/usr/bin/java" "java" "$JAVA_TARGET_LOCATION/$JAVA_NAME/bin/java" 1
+            update-alternatives --install "/usr/bin/javac" "javac" "$JAVA_TARGET_LOCATION/$JAVA_NAME/bin/javac" 1
+            update-alternatives --install "/usr/bin/javaws" "javaws" "$JAVA_TARGET_LOCATION/$JAVA_NAME/bin/javaws" 1
+
+            update-alternatives --set java $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/java
+            update-alternatives --set javac $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/javac
+            update-alternatives --set javaws $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/javaws
+        ;;
+        Fedora | RedHatEnterpriseServer | CentOS )
+            alternatives --install /usr/bin/java java $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/java 200000
+            alternatives --install /usr/bin/javaws javaws $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/javaws 200000
+            alternatives --install /usr/bin/javac javac $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/javac 200000
+            alternatives --install /usr/bin/jar jar $JAVA_TARGET_LOCATION/$JAVA_NAME/bin/jar 200000
+        ;;
+    esac
+elif [[ $JAVA_FILE == *.bin ]]; then
+    echo -e "\n" | sh $JAVA_FILE
+else
+    echo "Unknown file type: $JAVA_FILE, exiting"
+    exit 1
+fi
+rm $JAVA_FILE

sahara/plugins/mapr/resources/install_mysql.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+if [ ! -f /etc/init.d/mysql* ]; then
+    if [[ $1 == *"Ubuntu"* ]]; then
+        sudo debconf-set-selections <<< 'mysql-server mysql-server/root_password password root'
+        sudo debconf-set-selections <<< 'mysql-server mysql-server/root_password_again password root'
+        sudo apt-get install --force-yes -y mysql-server
+        sudo apt-get install --force-yes -y libmysqlclient16
+        mysql -uroot -proot mysql -e "UPDATE user SET Password=PASSWORD('') WHERE User='root'; FLUSH PRIVILEGES;"
+        sudo sed -i "s/^\(bind-address\s*=\s*\).*\$/\10.0.0.0/" /etc/mysql/my.cnf
+        sudo service mysql restart
+    elif [[ $1 == *"CentOS"* ]] || [[ $1 == *"Red Hat Enterprise Linux"* ]]; then
+        sudo yum install -y mysql-server
+        sudo yum install -y mysql-connector-java
+    elif [[ $1 == *"SUSE"* ]]; then
+        sudo zypper mysql-server
+    else
+        echo "Unknown distribution"
+        exit 1
+    fi
+else
+    echo "Mysql server already installed"
+fi

sahara/plugins/mapr/services/hbase/hbase.py

@@ -0,0 +1,82 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import six
+
+import sahara.plugins.mapr.domain.configuration_file as bcf
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+
+
+HBASE_MASTER = np.NodeProcess(
+    name='hbmaster',
+    ui_name='HBase-Master',
+    package='mapr-hbase-master',
+    open_ports=[60000, 60010]
+)
+HBASE_REGION_SERVER = np.NodeProcess(
+    name='hbregionserver',
+    ui_name='HBase-RegionServer',
+    package='mapr-hbase-regionserver',
+    open_ports=[60020]
+)
+HBASE_THRIFT = np.NodeProcess(
+    name='hbasethrift',
+    ui_name='HBase-Thrift',
+    package='mapr-hbasethrift',
+    open_ports=[9090]
+)
+
+
+class HBase(s.Service):
+    def __init__(self):
+        super(HBase, self).__init__()
+        self._name = 'hbase'
+        self._ui_name = 'HBase'
+        self._node_processes = [
+            HBASE_MASTER,
+            HBASE_REGION_SERVER,
+            HBASE_THRIFT,
+        ]
+        self._cluster_defaults = ['hbase-default.json']
+        self._validation_rules = [
+            vu.at_least(1, HBASE_MASTER),
+            vu.at_least(1, HBASE_REGION_SERVER),
+        ]
+
+    def get_config_files(self, cluster_context, configs, instance=None):
+        hbase_site = bcf.HadoopXML("hbase-site.xml")
+        hbase_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            hbase_site.fetch(instance)
+        hbase_site.load_properties(configs)
+        return [hbase_site]
+
+
+@six.add_metaclass(s.Single)
+class HBaseV094(HBase):
+    def __init__(self):
+        super(HBaseV094, self).__init__()
+        self._version = '0.94.24'
+        self._dependencies = [('mapr-hbase', self.version)]
+
+
+@six.add_metaclass(s.Single)
+class HBaseV098(HBase):
+    def __init__(self):
+        super(HBaseV098, self).__init__()
+        self._version = '0.98.7'
+        self._dependencies = [('mapr-hbase', self.version)]

sahara/plugins/mapr/services/hbase/resources/hbase-default.json

@@ -0,0 +1,26 @@
+[
+  {
+    "value": "maprfs:///hbase",
+    "name": "hbase.rootdir",
+    "description": "The directory shared by RegionServers."
+  },
+  {
+    "value": true,
+    "name": "dfs.support.append",
+    "config_type": "bool"
+  },
+  {
+    "name": "hbase.fsutil.maprfs.impl",
+    "value": "org.apache.hadoop.hbase.util.FSMapRUtils"
+  },
+  {
+    "value": 30,
+    "name": "hbase.regionserver.handler.count",
+    "config_type": "int"
+  },
+  {
+    "value": 64,
+    "name": "fs.mapr.threads",
+    "config_type": "int"
+  }
+]

sahara/plugins/mapr/services/hive/hive.py

@@ -0,0 +1,128 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+from oslo_log import log as logging
+import six
+
+import sahara.plugins.mapr.domain.configuration_file as bcf
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+import sahara.utils.files as files
+
+
+LOG = logging.getLogger(__name__)
+
+HIVE_METASTORE = np.NodeProcess(
+    name='hivemeta',
+    ui_name='HiveMetastore',
+    package='mapr-hivemetastore',
+    open_ports=[9083]
+)
+HIVE_SERVER_2 = np.NodeProcess(
+    name='hs2',
+    ui_name='HiveServer2',
+    package='mapr-hiveserver2',
+    open_ports=[10000]
+)
+
+
+class Hive(s.Service):
+    def __init__(self):
+        super(Hive, self).__init__()
+        self._name = 'hive'
+        self._ui_name = 'Hive'
+        self._node_processes = [HIVE_METASTORE, HIVE_SERVER_2]
+        self._validation_rules = [
+            vu.at_least(1, HIVE_METASTORE),
+            vu.at_least(1, HIVE_SERVER_2),
+        ]
+
+    # hive-site.xml
+    def get_config_files(self, cluster_context, configs, instance=None):
+        hive_default = 'plugins/mapr/services/hive/resources/hive-default.xml'
+        hive_site = bcf.HadoopXML("hive-site.xml")
+        hive_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            hive_site.fetch(instance)
+        hive_site.parse(files.get_file_text(hive_default))
+        hive_site.add_properties(self._get_hive_site_props(cluster_context))
+        return [hive_site]
+
+    def _get_hive_site_props(self, context):
+        # Import here to resolve circular dependency
+        from sahara.plugins.mapr.services.mysql import mysql
+
+        zookeepers = context.get_zookeeper_nodes_ip()
+        metastore_specs = mysql.MySQL.METASTORE_SPECS
+
+        return {
+            'javax.jdo.option.ConnectionDriverName': mysql.MySQL.DRIVER_CLASS,
+            'javax.jdo.option.ConnectionURL': self._get_jdbc_uri(context),
+            'javax.jdo.option.ConnectionUserName': metastore_specs.user,
+            'javax.jdo.option.ConnectionPassword': metastore_specs.password,
+            'hive.metastore.uris': self._get_metastore_uri(context),
+            'hive.zookeeper.quorum': zookeepers,
+            'hbase.zookeeper.quorum': zookeepers,
+        }
+
+    def _get_jdbc_uri(self, context):
+        # Import here to resolve circular dependency
+        from sahara.plugins.mapr.services.mysql import mysql
+
+        jdbc_uri = ('jdbc:mysql://%(db_host)s:%(db_port)s/%(db_name)s?'
+                    'createDatabaseIfNotExist=true')
+        jdbc_args = {
+            'db_host': mysql.MySQL.get_db_instance(context).fqdn(),
+            'db_port': mysql.MySQL.MYSQL_SERVER_PORT,
+            'db_name': mysql.MySQL.METASTORE_SPECS.db_name,
+        }
+        return jdbc_uri % jdbc_args
+
+    def _get_metastore_uri(self, context):
+        return 'thrift://%s:9083' % context.get_instance_ip(HIVE_METASTORE)
+
+    def post_start(self, cluster_context, instances):
+        # Import here to resolve circular dependency
+        import sahara.plugins.mapr.services.maprfs.maprfs as mfs
+
+        create_path = lambda p: 'sudo -u mapr hadoop fs -mkdir %s' % p
+        check_path = 'sudo -u mapr hadoop fs -ls %s'
+        cmd = "%(check)s || ( %(parent)s && %(target)s )"
+        args = {
+            'check': check_path % '/user/hive/warehouse/',
+            'parent': create_path('/user/hive/'),
+            'target': create_path('/user/hive/warehouse/')
+        }
+        cldb_node = cluster_context.get_instance(mfs.CLDB)
+        with cldb_node.remote() as r:
+            LOG.debug("Creating Hive warehouse dir")
+            r.execute_command(cmd % args, raise_when_error=False)
+
+
+@six.add_metaclass(s.Single)
+class HiveV012(Hive):
+    def __init__(self):
+        super(HiveV012, self).__init__()
+        self._version = '0.12'
+        self._dependencies = [('mapr-hive', self.version)]
+
+
+@six.add_metaclass(s.Single)
+class HiveV013(Hive):
+    def __init__(self):
+        super(HiveV013, self).__init__()
+        self._version = '0.13'
+        self._dependencies = [('mapr-hive', self.version)]

sahara/plugins/mapr/services/hive/resources/hive-default.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0"?>
+<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
+<configuration>
+
+    <property>
+        <name>javax.jdo.option.ConnectionURL</name>
+        <value>jdbc:mysql://localhost:3306/metastore
+            ?createDatabaseIfNotExist=true
+        </value>
+        <description>JDBC connect string for a JDBC metastore</description>
+    </property>
+
+    <property>
+        <name>javax.jdo.option.ConnectionDriverName</name>
+        <value>com.mysql.jdbc.Driver</value>
+        <description>Driver class name for a JDBC metastore</description>
+    </property>
+
+    <property>
+        <name>javax.jdo.option.ConnectionUserName</name>
+        <value>root</value>
+        <description>username to use against metastore database</description>
+    </property>
+
+    <property>
+        <name>javax.jdo.option.ConnectionPassword</name>
+        <value/>
+        <description>password to use against metastore database</description>
+    </property>
+
+    <property>
+        <name>hive.metastore.uris</name>
+        <value>thrift://localhost:9083</value>
+    </property>
+
+    <property>
+        <name>hive.server2.authentication</name>
+        <value>NOSASL</value>
+    </property>
+
+    <property>
+        <name>hive.zookeeper.property.clientPort</name>
+        <value>5181</value>
+    </property>
+
+    <property>
+        <name>hbase.zookeeper.property.clientPort</name>
+        <value>5181</value>
+    </property>
+
+    <property>
+        <name>hive.metastore.execute.setugi</name>
+        <value>true</value>
+    </property>
+
+</configuration>

sahara/plugins/mapr/services/httpfs/httpfs.py

@@ -0,0 +1,45 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import six
+
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.commands as cmd
+import sahara.plugins.mapr.util.validation_utils as vu
+
+
+HTTP_FS = np.NodeProcess(
+    name='httpfs',
+    ui_name='HTTPFS',
+    package='mapr-httpfs',
+    open_ports=[14000]
+)
+
+
+@six.add_metaclass(s.Single)
+class HttpFS(s.Service):
+    def __init__(self):
+        super(HttpFS, self).__init__()
+        self._name = 'httpfs'
+        self._ui_name = 'HttpFS'
+        self._version = '1.0'
+        self._node_processes = [HTTP_FS]
+        self._cluster_defaults = ['httpfs-default.json']
+        self._validation_rules = [vu.at_least(1, HTTP_FS)]
+
+    def post_install(self, cluster_context, instances):
+        instance = cluster_context.get_instance(HTTP_FS)
+        cmd.chown(instance, 'mapr:mapr', self.service_dir(cluster_context))

sahara/plugins/mapr/services/httpfs/resources/httpfs-default.json

@@ -0,0 +1,12 @@
+[
+  {
+    "value": "*",
+    "priority": 1,
+    "name": "httpfs.proxyuser.mapr.hosts"
+  },
+  {
+    "value": "*",
+    "priority": 1,
+    "name": "httpfs.proxyuser.mapr.groups"
+  }
+]

sahara/plugins/mapr/services/mahout/mahout.py

@@ -0,0 +1,39 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import six
+
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+
+
+MAHOUT = np.NodeProcess(
+    name='mahout',
+    ui_name='Mahout',
+    package='mapr-mahout',
+    open_ports=[]
+)
+
+
+@six.add_metaclass(s.Single)
+class Mahout(s.Service):
+    def __init__(self):
+        super(Mahout, self).__init__()
+        self._name = 'mahout'
+        self._ui_name = 'Mahout'
+        self._version = '0.9'
+        self._node_processes = [MAHOUT]
+        self._validation_rules = [vu.at_least(1, MAHOUT)]

sahara/plugins/mapr/services/management/management.py

@@ -0,0 +1,60 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import six
+
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+
+
+ZK_CLIENT_PORT = 5181
+
+ZOOKEEPER = np.NodeProcess(
+    name='mapr-zookeeper',
+    ui_name='ZooKeeper',
+    package='mapr-zookeeper',
+    open_ports=[ZK_CLIENT_PORT]
+)
+
+WEB_SERVER = np.NodeProcess(
+    name='webserver',
+    ui_name='Webserver',
+    package='mapr-webserver',
+    open_ports=[8443]
+)
+
+METRICS = np.NodeProcess(
+    name='metrics',
+    ui_name='Metrics',
+    package='mapr-metrics',
+    open_ports=[1111]
+)
+
+
+@six.add_metaclass(s.Single)
+class Management(s.Service):
+    def __init__(self):
+        super(Management, self).__init__()
+        self._ui_name = 'Management'
+        self._node_processes = [ZOOKEEPER, WEB_SERVER, METRICS]
+        self._ui_info = [
+            ('MapR Control System (MCS)', WEB_SERVER, 'https://%s:8443'),
+        ]
+        self._validation_rules = [
+            vu.at_least(1, ZOOKEEPER),
+            vu.exactly(1, WEB_SERVER),
+            vu.odd_count_of(ZOOKEEPER),
+        ]

sahara/plugins/mapr/services/mapreduce/mapreduce.py

@@ -0,0 +1,138 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import six
+
+import sahara.plugins.mapr.domain.configuration_file as bcf
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+from sahara.plugins.mapr.versions import version_handler_factory as vhf
+from sahara.swift import swift_helper
+from sahara.topology import topology_helper as topo
+from sahara.utils import files as f
+
+JOB_TRACKER = np.NodeProcess(
+    name='jobtracker',
+    ui_name='JobTracker',
+    package='mapr-jobtracker',
+    open_ports=[9001, 50030]
+)
+TASK_TRACKER = np.NodeProcess(
+    name='tasktracker',
+    ui_name='TaskTracker',
+    package='mapr-tasktracker',
+    open_ports=[50060]
+)
+
+JACKSON_CORE_ASL = ('plugins/mapr/services/swift/resources/'
+                    'jackson-core-asl-1.9.13.jar')
+JACKSON_MAPPER_ASL = ('plugins/mapr/services/swift/resources/'
+                      'jackson-mapper-asl-1.9.13.jar')
+
+
+@six.add_metaclass(s.Single)
+class MapReduce(s.Service):
+    cluster_mode = 'classic'
+
+    def __init__(self):
+        super(MapReduce, self).__init__()
+        self._ui_name = 'MapReduce'
+        self._name = 'hadoop'
+        self._version = '0.20.2'
+        self._node_processes = [JOB_TRACKER, TASK_TRACKER]
+        self._ui_info = [
+            ('JobTracker', JOB_TRACKER, 'http://%s:50030'),
+            ('TaskTracker', TASK_TRACKER, 'http://%s:50060'),
+        ]
+        self._validation_rules = [
+            vu.at_least(1, JOB_TRACKER),
+            vu.at_least(1, TASK_TRACKER),
+        ]
+
+    def _get_packages(self, node_processes):
+        result = []
+
+        result += self.dependencies
+        result += [(np.package, None) for np in node_processes]
+
+        return result
+
+    # mapred-site.xml
+    def get_config_files(self, cluster_context, configs, instance=None):
+        core_site = bcf.HadoopXML("core-site.xml")
+        core_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            core_site.fetch(instance)
+        core_site.add_properties(self._get_core_site_props(cluster_context))
+
+        mapred_site = bcf.HadoopXML("mapred-site.xml")
+        mapred_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            mapred_site.fetch(instance)
+        mapred_site.load_properties(configs)
+        mapred_site.add_properties(
+            self._get_mapred_site_props(cluster_context))
+
+        return [core_site, mapred_site]
+
+    def _get_core_site_props(self, context):
+        result = {}
+        if context.is_node_aware:
+            for conf in topo.vm_awareness_core_config():
+                result[conf['name']] = conf['value']
+        for conf in swift_helper.get_swift_configs():
+            result[conf['name']] = conf['value']
+        for conf in self._get_impersonation_props():
+            result[conf['name']] = conf['value']
+        return result
+
+    def _get_mapred_site_props(self, context):
+        result = {}
+        if context.is_node_aware:
+            for conf in topo.vm_awareness_mapred_config():
+                result[conf['name']] = conf['value']
+        return result
+
+    def _get_impersonation_props(self):
+        return [
+            {'name': 'hadoop.proxyuser.mapr.groups', 'value': '*'},
+            {'name': 'hadoop.proxyuser.mapr.hosts', 'value': '*'}
+        ]
+
+    def configure(self, cluster_context, instances=None):
+        version = cluster_context.cluster.hadoop_version
+        handler = vhf.VersionHandlerFactory.get().get_handler(version)
+        if handler._version == '3.1.1':
+            self._update_jackson_libs(cluster_context, instances)
+
+    def _update_jackson_libs(self, context, instances):
+        hadoop_lib = context.hadoop_lib
+        core_asl = f.get_file_text(JACKSON_CORE_ASL)
+        mapper_asl = f.get_file_text(JACKSON_MAPPER_ASL)
+        core_asl_path = '%s/%s' % (hadoop_lib, 'jackson-core-asl-1.9.13.jar')
+        mapper_path = '%s/%s' % (hadoop_lib, 'jackson-mapper-asl-1.9.13.jar')
+        libs = {
+            core_asl_path: core_asl,
+            mapper_path: mapper_asl
+        }
+        for instance in instances:
+            with instance.remote() as r:
+                r.execute_command('rm %s/jackson-*.jar' % hadoop_lib,
+                                  run_as_root=True)
+                r.write_files_to(libs, run_as_root=True)
+
+    def get_file_path(self, file_name):
+        template = 'plugins/mapr/services/mapreduce/resources/%s'
+        return template % file_name

sahara/plugins/mapr/services/mapreduce/resources/mapreduce-cluster.json

@@ -0,0 +1,91 @@
+[
+  {
+    "name": "mapred.fairscheduler.assignmultiple",
+    "value": true,
+    "config_type": "bool",
+    "description": "CoreDefaultProperties"
+  },
+  {
+    "name": "mapred.fairscheduler.eventlog.enabled",
+    "value": false,
+    "config_type": "bool",
+    "description": "Enable scheduler logging in ${HADOOP_LOG_DIR}/fairscheduler/"
+  },
+  {
+    "name": "mapred.fairscheduler.smalljob.schedule.enable",
+    "value": true,
+    "config_type": "bool",
+    "description": "Enable small job fast scheduling inside fair scheduler. TaskTrackers should reserve a slot called ephemeral slot which is used for smalljob if cluster is busy."
+  },
+  {
+    "name": "mapred.fairscheduler.smalljob.max.maps",
+    "value": 10,
+    "config_type": "int",
+    "description": "Small job definition. Max number of maps allowed in small job."
+  },
+  {
+    "name": "mapred.fairscheduler.smalljob.max.reducers",
+    "value": 10,
+    "config_type": "int",
+    "description": "Small job definition. Max number of reducers allowed in small job."
+  },
+  {
+    "name": "mapred.fairscheduler.smalljob.max.inputsize",
+    "value": 10737418240,
+    "config_type": "int",
+    "description": "Small job definition. Max input size in bytes allowed for a small job. Default is 10 GB"
+  },
+  {
+    "name": "mapred.fairscheduler.smalljob.max.reducer.inputsize",
+    "value": 1073741824,
+    "config_type": "int",
+    "description": "Small job definition. Max estimated input size for a reducer allowed in small job. Default is 1 GB per reducer."
+  },
+  {
+    "name": "mapred.cluster.ephemeral.tasks.memory.limit.mb",
+    "value": 200,
+    "config_type": "int",
+    "description": "Small job definition. Max memory in mbytes reserved for an ephermal slot. Default is 200 mb. This value must be same on JobTracker and TaskTracker nodes."
+  },
+  {
+    "name": "mapreduce.jobtracker.node.labels.file",
+    "value": "/",
+    "description": "File on maprfs that has mapping of nodes and labels."
+  },
+  {
+    "name": "mapred.tasktracker.ephemeral.tasks.maximum",
+    "value": 1,
+    "config_type": "int",
+    "description": "Reserved slot for small job scheduling"
+  },
+  {
+    "name": "mapred.tasktracker.ephemeral.tasks.timeout",
+    "value": 10000,
+    "config_type": "int",
+    "description": "Maximum time in ms a task is allowed to occupy ephemeral slot"
+  },
+  {
+    "name": "mapred.tasktracker.ephemeral.tasks.ulimit",
+    "value": 4294967296,
+    "config_type": "int",
+    "description": "Ulimit (bytes) on all tasks sheduled on an ephemeral slot"
+  },
+  {
+    "name": "mapreduce.tasktracker.group",
+    "value": "root",
+    "description": "Group to which TaskTracker belongs."
+  },
+  {
+    "name": "mapred.local.dir",
+    "value": "/tmp/mapr-hadoop/mapred/local",
+    "description": "The local directory where MapReduce stores job jar, xml files and creates work dirs for tasks. MapR hadoop uses a local volume map outputs."
+  },
+  {
+    "name": "mapred.map.child.java.opts",
+    "value": "-Xmx1024m"
+  },
+  {
+    "name": "mapred.reduce.child.java.opts",
+    "value": "-Xmx3072m"
+  }
+]

sahara/plugins/mapr/services/maprfs/maprfs.py

@@ -0,0 +1,140 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+from oslo_log import log as logging
+import six
+
+from sahara import context
+from sahara.i18n import _
+import sahara.plugins.mapr.domain.configuration_file as bcf
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+import sahara.plugins.provisioning as p
+from sahara.utils import files
+
+
+LOG = logging.getLogger(__name__)
+
+CLDB = np.NodeProcess(
+    name='cldb',
+    ui_name='CLDB',
+    package='mapr-cldb',
+    open_ports=[7222, 7220, 7221]
+)
+FILE_SERVER = np.NodeProcess(
+    name='fileserver',
+    ui_name='FileServer',
+    package='mapr-fileserver',
+    open_ports=[]
+)
+NFS = np.NodeProcess(
+    name='nfs',
+    ui_name='NFS',
+    package='mapr-nfs',
+    open_ports=[2049, 9997, 9998]
+)
+
+
+@six.add_metaclass(s.Single)
+class MapRFS(s.Service):
+    _CREATE_DISK_LIST = 'plugins/mapr/resources/create_disk_list_file.sh'
+    _DISK_SETUP_CMD = '/opt/mapr/server/disksetup -F /tmp/disk.list'
+    _DISK_SETUP_TIMEOUT = 600
+
+    ENABLE_MAPR_DB_NAME = 'Enable MapR-DB'
+    ENABLE_MAPR_DB_CONFIG = p.Config(
+        name=ENABLE_MAPR_DB_NAME,
+        applicable_target='general',
+        scope='cluster',
+        config_type="bool",
+        priority=1,
+        default_value=True,
+        description=_('Specifies that MapR-DB is in use.')
+    )
+
+    def __init__(self):
+        super(MapRFS, self).__init__()
+        self._ui_name = 'MapRFS'
+        self._node_processes = [CLDB, FILE_SERVER, NFS]
+        self._ui_info = [
+            ('Container Location Database (CLDB)', CLDB, 'http://%s:7221'),
+        ]
+        self._validation_rules = [
+            vu.at_least(1, CLDB),
+            vu.each_node_has(FILE_SERVER),
+            vu.on_same_node(CLDB, FILE_SERVER),
+        ]
+
+    def service_dir(self, cluster_context):
+        return
+
+    def home_dir(self, cluster_context):
+        return
+
+    def conf_dir(self, cluster_context):
+        return '%s/conf' % cluster_context.mapr_home
+
+    def post_install(self, cluster_context, instances):
+        LOG.debug('Initializing MapR FS')
+        instances = instances or cluster_context.get_instances()
+        file_servers = cluster_context.filter_instances(instances, FILE_SERVER)
+        with context.ThreadGroup() as tg:
+            for instance in file_servers:
+                tg.spawn('init-mfs-%s' % instance.id,
+                         self._init_mfs_instance, instance)
+        LOG.debug('MapR FS successfully initialized')
+
+    def _init_mfs_instance(self, instance):
+        self._generate_disk_list_file(instance, self._CREATE_DISK_LIST)
+        self._execute_disksetup(instance)
+
+    def _generate_disk_list_file(self, instance, path_to_disk_setup_script):
+        LOG.debug('Creating disk list file')
+        script_path = '/tmp/disk_setup_script.sh'
+        with instance.remote() as r:
+            r.write_file_to(
+                script_path, files.get_file_text(path_to_disk_setup_script))
+            r.execute_command('chmod +x ' + script_path, run_as_root=True)
+            args = ' '.join(instance.node_group.storage_paths())
+            cmd = '%s %s' % (script_path, args)
+            r.execute_command(cmd, run_as_root=True)
+
+    def _execute_disksetup(self, instance):
+        with instance.remote() as rmt:
+            rmt.execute_command(
+                self._DISK_SETUP_CMD, run_as_root=True,
+                timeout=self._DISK_SETUP_TIMEOUT)
+
+    def get_configs(self):
+        return [MapRFS.ENABLE_MAPR_DB_CONFIG]
+
+    def get_config_files(self, cluster_context, configs, instance=None):
+        default_path = 'plugins/mapr/services/maprfs/resources/cldb.conf'
+        cldb_conf = bcf.PropertiesFile("cldb.conf")
+        cldb_conf.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            cldb_conf.fetch(instance)
+        cldb_conf.parse(files.get_file_text(default_path))
+        cldb_conf.add_properties(self._get_cldb_conf_props(cluster_context))
+
+        return [cldb_conf]
+
+    def _get_cldb_conf_props(self, context):
+        zookeepers = context.get_zookeeper_nodes_ip_with_port()
+        result = {'cldb.zookeeper.servers': zookeepers}
+        if context.is_node_aware:
+            result['net.topology.script.file.name'] = '/opt/mapr/topology.sh'
+        return result

sahara/plugins/mapr/services/mysql/mysql.py

@@ -0,0 +1,208 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import collections as c
+
+from oslo_log import log as logging
+import six
+
+import sahara.plugins.mapr.domain.configuration_file as cf
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.services.hive.hive as hive
+import sahara.utils.files as f
+
+LOG = logging.getLogger(__name__)
+
+db_spec = c.namedtuple('DatabaseSpec', ['db_name', 'user', 'password'])
+
+
+@six.add_metaclass(s.Single)
+class MySQL(s.Service):
+    METRICS_SPECS = db_spec('metrics', 'maprmetrics', 'mapr')
+    METASTORE_SPECS = db_spec('metastore', 'maprmetastore', 'mapr')
+    RDBMS_SPECS = db_spec('rdbms', 'maprrdbms', 'mapr')
+    OOZIE_SPECS = db_spec('oozie', 'maproozie', 'mapr')
+
+    SELECT_DATA = 'mysql -uroot --skip-column-names -e "%s"| grep -E "\w+"'
+    GET_DBS_LIST = SELECT_DATA % 'SHOW DATABASES'
+    GET_USERS_HOSTS = (
+        SELECT_DATA % "SELECT Host FROM mysql.user WHERE mysql.user.User='%s'"
+    )
+
+    SCHEMA_PATH = (
+        '/opt/mapr/hive/hive-{0}/scripts/metastore/upgrade/mysql/'
+        'hive-schema-{0}.0.mysql.sql')
+    DRIVER_CLASS = 'com.mysql.jdbc.Driver'
+    MYSQL_SERVER_PORT = 3306
+    MYSQL_INSTALL_SCRIPT = 'plugins/mapr/resources/install_mysql.sh'
+    INSTALL_PACKAGES_TIMEOUT = 1800
+
+    def __init__(self):
+        super(MySQL, self).__init__()
+        self._ui_name = 'MySQL'
+
+    @staticmethod
+    def _get_db_daemon_name(distro):
+        if distro.lower() == 'ubuntu':
+            return 'mysql'
+        if distro.lower() in ['centos', 'redhatenterpriseserver', 'suse']:
+            return 'mysqld'
+        return None
+
+    @staticmethod
+    def _execute_script(instance, script_path, script_text=None,
+                        user='root', password=None):
+        with instance.remote() as r:
+            if script_text:
+                r.write_file_to(script_path, script_text, run_as_root=True)
+            LOG.debug('Executing SQL script %s', script_path)
+            r.execute_command(("mysql %s %s < %s" %
+                               ('-u' + user if user else '',
+                                '-p' + password if password else '',
+                                script_path)),
+                              run_as_root=True)
+
+    @staticmethod
+    def _create_service_db(instance, specs):
+        f_name = 'create_db_%s.sql' % specs.db_name
+        script = MySQL._create_script_obj(f_name, 'create_database.sql',
+                                          db_name=specs.db_name,
+                                          user=specs.user,
+                                          password=specs.password)
+        MySQL._execute_script(instance, script.remote_path, script.render())
+
+    @staticmethod
+    def _create_metrics_db(instance, databases, instances):
+        if MySQL.METRICS_SPECS.db_name not in databases:
+            MySQL._create_service_db(instance, MySQL.METRICS_SPECS)
+            MySQL._execute_script(instance=instance,
+                                  script_path='/opt/mapr/bin/setup.sql')
+        MySQL._grant_access(instance, MySQL.METRICS_SPECS, instances)
+
+    @staticmethod
+    def _create_rdbms_db(instance, databases, instances):
+        if MySQL.RDBMS_SPECS.db_name not in databases:
+            MySQL._create_service_db(instance, MySQL.RDBMS_SPECS)
+        MySQL._grant_access(instance, MySQL.RDBMS_SPECS, instances)
+
+    @staticmethod
+    def _create_metastore_db(instance, cluster_context, databases, instances):
+        hive_meta = cluster_context.get_instance(hive.HIVE_METASTORE)
+
+        if not hive_meta:
+            return
+
+        db_name = MySQL.METASTORE_SPECS.db_name
+        if db_name not in databases:
+            MySQL._create_service_db(instance, MySQL.METASTORE_SPECS)
+            MySQL._grant_access(instance, MySQL.METASTORE_SPECS, instances)
+            with hive_meta.remote() as r:
+                hive_serv = cluster_context.get_service(hive.HIVE_METASTORE)
+                schema_path = MySQL.SCHEMA_PATH.format(hive_serv.version)
+                script = MySQL._create_script_obj('hive_schema.sql',
+                                                  'hive_schema.sql',
+                                                  db_name=db_name,
+                                                  path=schema_path)
+                r.write_file_to(script.remote_path, script.render())
+                args = {
+                    'user': MySQL.METASTORE_SPECS.user,
+                    'password': MySQL.METASTORE_SPECS.password,
+                    'host': instance.management_ip,
+                    'path': script.remote_path
+                }
+                cmd = 'mysql -h{host} -u{user} -p{password} < {path}'
+                r.execute_command(cmd.format(**args), run_as_root=True)
+        else:
+            MySQL._grant_access(instance, MySQL.METASTORE_SPECS, instances)
+
+    @staticmethod
+    def _create_oozie_db(instance, databases, instances):
+        if MySQL.OOZIE_SPECS.db_name not in databases:
+            MySQL._create_service_db(instance, MySQL.OOZIE_SPECS)
+        MySQL._grant_access(instance, MySQL.OOZIE_SPECS, instances)
+
+    @staticmethod
+    def start_mysql_server(cluster_context):
+        LOG.debug('Starting MySQL Server')
+        instance = MySQL.get_db_instance(cluster_context)
+        distro = cluster_context.distro
+        with instance.remote() as r:
+            r.execute_command(('service %s restart' %
+                               MySQL._get_db_daemon_name(distro.name)),
+                              run_as_root=True)
+        LOG.debug('MySQL Server successfully started')
+
+    @staticmethod
+    def get_databases_list(db_instance):
+        with db_instance.remote() as r:
+            ec, out = r.execute_command(MySQL.GET_DBS_LIST)
+            if out:
+                return out.splitlines()
+        return list()
+
+    @staticmethod
+    def get_user_hosts(db_instance, username):
+        with db_instance.remote() as r:
+            ec, out = r.execute_command(MySQL.GET_USERS_HOSTS % username)
+            if out:
+                return out.splitlines()
+        return list()
+
+    @staticmethod
+    def get_db_instance(context):
+        return context.oozie_server
+
+    @staticmethod
+    def create_databases(cluster_context, instances):
+        db_instance = MySQL.get_db_instance(cluster_context)
+        databases = MySQL.get_databases_list(db_instance)
+        MySQL._create_metrics_db(db_instance, databases, instances)
+        MySQL._create_rdbms_db(db_instance, databases, instances)
+        MySQL._create_oozie_db(db_instance, databases, instances)
+        MySQL._create_metastore_db(
+            db_instance, cluster_context, databases, instances)
+
+    @staticmethod
+    def _create_script_obj(filename, template, **kwargs):
+        script = cf.TemplateFile(filename)
+        script.remote_path = '/tmp/'
+        script.parse(f.get_file_text(
+            'plugins/mapr/services/mysql/resources/%s' % template))
+        for k, v in six.iteritems(kwargs):
+            script.add_property(k, v)
+        return script
+
+    @staticmethod
+    def _grant_access(instance, specs, instances):
+        f_name = 'grant_access_%s.sql' % specs.db_name
+        ips = [i.management_ip for i in instances]
+        user_hosts = MySQL.get_user_hosts(instance, specs.user)
+        script = MySQL._create_script_obj(f_name, 'grant_access.sql',
+                                          hosts=set(ips)-set(user_hosts),
+                                          db_name=specs.db_name,
+                                          user=specs.user,
+                                          password=specs.password)
+        MySQL._execute_script(instance, script.remote_path, script.render())
+
+    @staticmethod
+    def install_mysql(instance, distro_name):
+        with instance.remote() as r:
+            script = '/tmp/install_mysql.sh'
+            data = f.get_file_text(MySQL.MYSQL_INSTALL_SCRIPT)
+            r.write_file_to(script, data, run_as_root=True)
+            r.execute_command('chmod +x %s' % script, run_as_root=True)
+            r.execute_command('%s %s' % (script, distro_name),
+                              run_as_root=True,
+                              timeout=MySQL.INSTALL_PACKAGES_TIMEOUT)

sahara/plugins/mapr/services/mysql/resources/create_database.sql

@@ -0,0 +1,7 @@
+CREATE DATABASE {{ db_name }};
+CREATE USER {{ user }}@'localhost' IDENTIFIED BY '{{ password }}';
+CREATE USER {{ user }}@'127.0.0.1' IDENTIFIED BY '{{ password }}';
+GRANT ALL PRIVILEGES ON {{ db_name }}.* TO {{ user }}@'localhost' WITH GRANT OPTION;
+GRANT ALL PRIVILEGES ON {{ db_name }}.* TO {{ user }}@'127.0.0.1' WITH GRANT OPTION;
+FLUSH PRIVILEGES;
+FLUSH HOSTS;

sahara/plugins/mapr/services/mysql/resources/grant_access.sql

@@ -0,0 +1,6 @@
+{% for host in hosts %}
+CREATE USER {{ user }}@'{{ host }}' IDENTIFIED BY '{{ password }}';
+GRANT ALL PRIVILEGES ON {{ db_name }}.* TO {{ user }}@'{{ host }}' WITH GRANT OPTION;
+{% endfor %}
+FLUSH PRIVILEGES;
+FLUSH HOSTS;

sahara/plugins/mapr/services/mysql/resources/hive_schema.sql

@@ -0,0 +1,2 @@
+USE {{ db_name }};
+SOURCE {{ path }};

sahara/plugins/mapr/services/oozie/oozie.py

@@ -0,0 +1,115 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+from oslo_log import log as logging
+import six
+
+import sahara.plugins.mapr.domain.configuration_file as bcf
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.services.mysql.mysql as mysql
+import sahara.plugins.mapr.util.validation_utils as vu
+
+
+LOG = logging.getLogger(__name__)
+
+OOZIE = np.NodeProcess(
+    name='oozie',
+    ui_name='Oozie',
+    package='mapr-oozie',
+    open_ports=[11000]
+)
+
+
+@six.add_metaclass(s.Single)
+class Oozie(s.Service):
+    def __init__(self):
+        super(Oozie, self).__init__()
+        self._name = 'oozie'
+        self._ui_name = 'Oozie'
+        self._version = '4.0.1'
+        self._node_processes = [OOZIE]
+        self._dependencies = [('mapr-oozie-internal', self.version)]
+        self._cluster_defaults = ['oozie-default.json']
+        self._validation_rules = [vu.exactly(1, OOZIE)]
+
+    def get_config_files(self, cluster_context, configs, instance=None):
+        oozie_site = bcf.HadoopXML("oozie-site.xml")
+        oozie_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            oozie_site.fetch(instance)
+        oozie_site.load_properties(configs)
+        oozie_site.add_properties(self._get_oozie_site_props(cluster_context))
+        return [oozie_site]
+
+    def _get_oozie_site_props(self, context):
+        oozie_specs = mysql.MySQL.OOZIE_SPECS
+
+        return {
+            'oozie.db.schema.name': oozie_specs.db_name,
+            'oozie.service.JPAService.create.db.schema': True,
+            'oozie.service.JPAService.jdbc.driver': mysql.MySQL.DRIVER_CLASS,
+            'oozie.service.JPAService.jdbc.url': self._get_jdbc_uri(context),
+            'oozie.service.JPAService.jdbc.username': oozie_specs.user,
+            'oozie.service.JPAService.jdbc.password': oozie_specs.password,
+            'oozie.service.HadoopAccessorService.hadoop.configurations':
+                '*=%s' % context.hadoop_conf
+        }
+
+    def _get_jdbc_uri(self, context):
+        jdbc_uri = ('jdbc:mysql://%(db_host)s:%(db_port)s/%(db_name)s?'
+                    'createDatabaseIfNotExist=true')
+        jdbc_args = {
+            'db_host': mysql.MySQL.get_db_instance(context).fqdn(),
+            'db_port': mysql.MySQL.MYSQL_SERVER_PORT,
+            'db_name': mysql.MySQL.OOZIE_SPECS.db_name,
+        }
+        return jdbc_uri % jdbc_args
+
+    def post_install(self, cluster_context, instances):
+        oozie_inst = cluster_context.get_instance(OOZIE)
+        oozie_service = cluster_context.get_service(OOZIE)
+        if oozie_service:
+            oozie_version = oozie_service.version
+            symlink_cmd = ('cp /usr/share/java/mysql-connector-java.jar '
+                           '/opt/mapr/oozie/oozie-%s'
+                           '/oozie-server/lib/') % oozie_version
+            with oozie_inst.remote() as r:
+                LOG.debug('Installing MySQL connector for Oozie')
+                r.execute_command(symlink_cmd, run_as_root=True,
+                                  raise_when_error=False)
+
+    def post_start(self, cluster_context, instances):
+        check_sharelib = 'sudo -u mapr hadoop fs -ls /oozie/share/lib'
+        create_sharelib_dir = 'sudo -u mapr hadoop fs -mkdir /oozie'
+        is_yarn = cluster_context.cluster_mode == 'yarn'
+        upload_args = {
+            'oozie_home': self.home_dir(cluster_context),
+            'share': 'share2' if is_yarn else 'share1'
+        }
+        upload_sharelib = ('sudo -u mapr hadoop fs -copyFromLocal '
+                           '%(oozie_home)s/%(share)s /oozie/share')
+
+        oozie_inst = cluster_context.get_instance(OOZIE)
+
+        with oozie_inst.remote() as r:
+            LOG.debug("Installing Oozie sharelibs")
+            command = '%(check)s || (%(mkdir)s && %(upload)s)'
+            args = {
+                'check': check_sharelib,
+                'mkdir': create_sharelib_dir,
+                'upload': upload_sharelib % upload_args,
+            }
+            r.execute_command(command % args, raise_when_error=False)

sahara/plugins/mapr/services/oozie/resources/oozie-default.json

@@ -0,0 +1,28 @@
+[
+  {
+    "value": "/oozie/share/lib",
+    "name": "oozie.service.WorkflowAppService.system.libpath",
+    "description": "System library path to use for workflow applications.This path is added to workflow application if their job properties setsthe property 'oozie.use.system.libpath' to true."
+  },
+  {
+    "value": "yarn-tez",
+    "name": "mapreduce.framework.name",
+    "description": "The runtime framework for executing MapReduce jobs."
+  },
+  {
+    "value": false,
+    "name": "use.system.libpath.for.mapreduce.and.pig.jobs",
+    "config_type": "bool",
+    "description": "If set to true, submissions of MapReduce and Pig jobs will includeautomatically the system library path, thus not requiring users tospecify where the Pig JAR files are. Instead, the ones from the systemlibrary path are used."
+  },
+  {
+    "value": "*",
+    "name": "oozie.service.ProxyUserService.proxyuser.mapr.hosts",
+    "description": "List of hosts the '#USER#' user is allowed to perform 'doAs'operations.The '#USER#' must be replaced with the username o the user who isallowed to perform 'doAs' operations.The value can be the '*' wildcard or a list of hostnames.For multiple users copy this property and replace the user namein the property name."
+  },
+  {
+    "value": "*",
+    "name": "oozie.service.ProxyUserService.proxyuser.mapr.groups",
+    "description": "List of groups the '#USER#' user is allowed to impersonate usersfrom to perform 'doAs' operations.The '#USER#' must be replaced with the username o the user who isallowed to perform 'doAs' operations.The value can be the '*' wildcard or a list of groups.For multiple users copy this property and replace the user namein the property name."
+  }
+]

sahara/plugins/mapr/services/pig/pig.py

@@ -0,0 +1,38 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import six
+
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+
+
+PIG = np.NodeProcess(
+    name='pig',
+    ui_name='Pig',
+    package='mapr-pig'
+)
+
+
+@six.add_metaclass(s.Single)
+class Pig(s.Service):
+    def __init__(self):
+        super(Pig, self).__init__()
+        self._name = 'pig'
+        self._ui_name = 'Pig'
+        self._version = '0.13'
+        self._node_processes = [PIG]
+        self._validation_rules = [vu.at_least(1, PIG)]

sahara/plugins/mapr/services/swift/resources/swift-default.json

@@ -0,0 +1,61 @@
+[
+  {
+    "name": "fs.swift.impl",
+    "config_type": "string",
+    "value": "org.apache.hadoop.fs.swift.snative.SwiftNativeFileSystem"
+  },
+  {
+    "name": "fs.swift.connect.timeout",
+    "config_type": "int",
+    "value": 15000
+  },
+  {
+    "name": "fs.swift.socket.timeout",
+    "config_type": "int",
+    "value": 60000
+  },
+  {
+    "name": "fs.swift.connect.retry.count",
+    "config_type": "int",
+    "value": 3
+  },
+  {
+    "name": "fs.swift.connect.throttle.delay",
+    "config_type": "int",
+    "value": 0
+  },
+  {
+    "name": "fs.swift.blocksize",
+    "config_type": "int",
+    "value": 32768
+  },
+  {
+    "name": "fs.swift.partsize",
+    "config_type": "int",
+    "value": 4718592
+  },
+  {
+    "name": "fs.swift.requestsize",
+    "config_type": "int",
+    "value": 64
+  },
+  {
+    "name": "fs.swift.service.sahara.public",
+    "config_type": "bool",
+    "value": true
+  },
+  {
+    "name": "fs.swift.service.sahara.http.port",
+    "config_type": "int",
+    "value": 8080
+  },
+  {
+    "name": "fs.swift.service.sahara.https.port",
+    "config_type": "int",
+    "value": 443
+  },
+  {
+    "name": "fs.swift.service.sahara.auth.endpoint.prefix",
+    "value": "/endpoints/AUTH_"
+  }
+]

sahara/plugins/mapr/services/swift/swift.py

@@ -0,0 +1,48 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+from oslo_log import log as logging
+import six
+
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.services.maprfs.maprfs as maprfs
+import sahara.utils.files as f
+
+LOG = logging.getLogger(__name__)
+
+
+@six.add_metaclass(s.Single)
+class Swift(s.Service):
+    HADOOP_SWIFT_JAR = ('plugins/mapr/services/swift/'
+                        'resources/hadoop-swift-latest.jar')
+
+    def __init__(self):
+        super(Swift, self).__init__()
+        self._name = 'swift'
+        self._ui_name = 'Swift'
+        self._cluster_defaults = ['swift-default.json']
+
+    def configure(self, context, instances=None):
+        instances = instances or context.get_instances()
+        file_servers = context.filter_instances(instances, maprfs.FILE_SERVER)
+        self._install_swift_jar(context, file_servers)
+
+    def _install_swift_jar(self, context, instances):
+        LOG.debug('Installing Swift jar')
+        jar = f.get_file_text(Swift.HADOOP_SWIFT_JAR)
+        path = '%s/swift.jar' % context.hadoop_lib
+        for instance in instances:
+            with instance.remote() as r:
+                r.write_file_to(path, jar, run_as_root=True)

sahara/plugins/mapr/services/yarn/resources/yarn-cluster.json

@@ -0,0 +1,16 @@
+[
+  {
+    "value": 1024,
+    "name": "yarn.scheduler.minimum-allocation-mb",
+    "priority": 1,
+    "config_type": "int",
+    "description": "The minimum allocation for every container request at the RM, in MBs. Memory requests lower than this won't take effect, and the specified value will get allocated at minimum."
+  },
+  {
+    "value": 8192,
+    "name": "yarn.scheduler.maximum-allocation-mb",
+    "priority": 1,
+    "config_type": "int",
+    "description": "The maximum allocation for every container request at the RM, in MBs. Memory requests higher than this won't take effect, and will get capped to this value."
+  }
+]

sahara/plugins/mapr/services/yarn/resources/yarn-node.json

@@ -0,0 +1,23 @@
+[
+  {
+    "value": 8192,
+    "name": "yarn.nodemanager.resource.memory-mb",
+    "priority": 1,
+    "config_type": "int",
+    "description": "Amount of physical memory, in MB, that can be allocated for containers."
+  },
+  {
+    "value": 4,
+    "name": "yarn.nodemanager.resource.cpu-vcores",
+    "priority": 1,
+    "config_type": "int",
+    "description": "Number of CPU cores that can be allocated for containers."
+  },
+  {
+    "value": 1,
+    "name": "yarn.nodemanager.resource.io-spindles",
+    "priority": 1,
+    "config_type": "int",
+    "description": "Number of spindles that can be allocated for containers."
+  }
+]

sahara/plugins/mapr/services/yarn/yarn.py

@@ -0,0 +1,123 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import six
+
+import sahara.plugins.mapr.domain.configuration_file as bcf
+import sahara.plugins.mapr.domain.node_process as np
+import sahara.plugins.mapr.domain.service as s
+import sahara.plugins.mapr.util.validation_utils as vu
+from sahara.swift import swift_helper
+
+
+RESOURCE_MANAGER = np.NodeProcess(
+    name='resourcemanager',
+    ui_name='ResourceManager',
+    package='mapr-resourcemanager',
+    open_ports=[8033, 8032, 8031, 8030, 8088]
+)
+NODE_MANAGER = np.NodeProcess(
+    name='nodemanager',
+    ui_name='NodeManager',
+    package='mapr-nodemanager',
+    open_ports=[8041, 8040, 8042, 8044]
+)
+HISTORY_SERVER = np.NodeProcess(
+    name='historyserver',
+    ui_name='HistoryServer',
+    package='mapr-historyserver',
+    open_ports=[10020, 19888, 19890]
+)
+
+
+class YARN(s.Service):
+    cluster_mode = 'yarn'
+
+    def __init__(self):
+        super(YARN, self).__init__()
+        self._name = 'hadoop'
+        self._ui_name = 'YARN'
+        self._node_processes = [RESOURCE_MANAGER, NODE_MANAGER, HISTORY_SERVER]
+        self._ui_info = [
+            ('NodeManager', NODE_MANAGER, 'http://%s:8042'),
+            ('ResourceManager', RESOURCE_MANAGER, 'http://%s:8088'),
+            ('HistoryServer', RESOURCE_MANAGER, 'http://%s:19888'),
+        ]
+        self._cluster_defaults = ['yarn-cluster.json']
+        self._node_defaults = ['yarn-node.json']
+
+    def get_config_files(self, cluster_context, configs, instance=None):
+        # yarn-site.xml
+        yarn_site = bcf.HadoopXML("yarn-site.xml")
+        yarn_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            yarn_site.fetch(instance)
+        yarn_site.add_properties(self._get_yarn_site_props(cluster_context))
+        yarn_site.load_properties(configs)
+
+        # core-site.xml
+        core_site = bcf.HadoopXML("core-site.xml")
+        core_site.remote_path = self.conf_dir(cluster_context)
+        if instance:
+            core_site.fetch(instance)
+        core_site.add_properties(self._get_core_site_props(cluster_context))
+
+        return [yarn_site, core_site]
+
+    def _get_core_site_props(self, context):
+        result = {
+            'hadoop.proxyuser.mapr.groups': '*',
+            'hadoop.proxyuser.mapr.hosts': '*',
+        }
+        for conf in swift_helper.get_swift_configs():
+            result[conf['name']] = conf['value']
+        return result
+
+    def _get_yarn_site_props(self, context):
+        return {
+            'hadoop.proxyuser.mapr.groups': '*',
+            'hadoop.proxyuser.mapr.hosts': '*',
+        }
+
+    def conf_dir(self, cluster_context):
+        return '%s/etc/hadoop' % self.home_dir(cluster_context)
+
+    def get_file_path(self, file_name):
+        template = 'plugins/mapr/services/yarn/resources/%s'
+        return template % file_name
+
+
+@six.add_metaclass(s.Single)
+class YARNv241(YARN):
+    def __init__(self):
+        super(YARNv241, self).__init__()
+        self._version = '2.4.1'
+        self._validation_rules = [
+            vu.exactly(1, RESOURCE_MANAGER),
+            vu.at_least(1, NODE_MANAGER),
+            vu.exactly(1, HISTORY_SERVER),
+        ]
+
+
+@six.add_metaclass(s.Single)
+class YARNv251(YARN):
+    def __init__(self):
+        super(YARNv251, self).__init__()
+        self._version = '2.5.1'
+        self._validation_rules = [
+            vu.at_least(1, RESOURCE_MANAGER),
+            vu.at_least(1, NODE_MANAGER),
+            vu.exactly(1, HISTORY_SERVER),
+        ]

sahara/plugins/mapr/util/attr_dict.py

@@ -1,20 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-
-class AttrDict(dict):
-
-    def __init__(self, *args, **kwargs):
-        super(AttrDict, self).__init__(*args, **kwargs)
-        self.__dict__ = self

sahara/plugins/mapr/util/cluster_helper.py

@@ -1,78 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-from sahara.plugins.mapr.util import names
-import sahara.plugins.utils as u
-
-
-ZOOKEEPER_CLIENT_PORT = 5181
-
-
-def get_cldb_nodes_ip(cluster):
-    cldb_node_list = u.get_instances(cluster, names.CLDB)
-    return ','.join([i.management_ip for i in cldb_node_list])
-
-
-def get_zookeeper_nodes_ip(cluster):
-    zkeeper_node_list = u.get_instances(cluster, names.ZOOKEEPER)
-    return ','.join([i.management_ip for i in zkeeper_node_list])
-
-
-def get_zookeeper_nodes_ip_with_port(cluster):
-    zkeeper_node_list = u.get_instances(cluster, names.ZOOKEEPER)
-    return ','.join(['%s:%s' % (i.management_ip, ZOOKEEPER_CLIENT_PORT)
-                     for i in zkeeper_node_list])
-
-
-def get_resourcemanager_ip(cluster):
-    rm_instance = u.get_instance(cluster, names.RESOURCE_MANAGER)
-    return rm_instance.management_ip
-
-
-def get_historyserver_ip(cluster):
-    hs_instance = u.get_instance(cluster, names.HISTORY_SERVER)
-    return hs_instance.management_ip
-
-
-def get_jobtracker(cluster):
-    instance = u.get_instance(cluster, names.JOBTRACKER)
-    return instance
-
-
-def get_resourcemanager(cluster):
-    return u.get_instance(cluster, names.RESOURCE_MANAGER)
-
-
-def get_nodemanagers(cluster):
-    return u.get_instances(cluster, names.NODE_MANAGER)
-
-
-def get_oozie(cluster):
-    return u.get_instance(cluster, names.OOZIE)
-
-
-def get_datanodes(cluster):
-    return u.get_instances(cluster, names.DATANODE)
-
-
-def get_tasktrackers(cluster):
-    return u.get_instances(cluster, names.TASK_TRACKER)
-
-
-def get_secondarynamenodes(cluster):
-    return u.get_instances(cluster, names.SECONDARY_NAMENODE)
-
-
-def get_historyserver(cluster):
-    return u.get_instance(cluster, names.HISTORY_SERVER)

sahara/plugins/mapr/util/cluster_info.py

@@ -1,76 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import collections as c
-
-import six
-
-import sahara.plugins.utils as u
-
-
-class ClusterInfo(object):
-
-    # TODO(aosadchiy): perform lookup for plugin_spec
-
-    def __init__(self, cluster, plugin_spec):
-        self.cluster = cluster
-        self.plugin_spec = plugin_spec
-
-    def get_default_configs(self, node_group=None):
-        services = self.get_services(node_group)
-        return self.plugin_spec.get_default_plugin_configs(services)
-
-    def get_services(self, node_group=None):
-        if not node_group:
-            return set(service for node_group in self.cluster.node_groups
-                       for service in self.get_services(node_group))
-        else:
-            return (set(self.plugin_spec.get_node_process_service(node_process)
-                        for node_process in node_group.node_processes)
-                    | set(['general']))
-
-    def get_user_configs(self, node_group=None):
-        services = self.get_services(node_group)
-        predicate = lambda i: i[0] in services and i[1]
-        configs = dict(filter(
-            predicate, six.iteritems(self.cluster.cluster_configs)))
-        scope = 'node' if node_group else 'cluster'
-        result = c.defaultdict(lambda: c.defaultdict(dict))
-        for service, kv in six.iteritems(configs):
-            for key, value in six.iteritems(kv):
-                filename = self.plugin_spec.get_config_file(
-                    scope, service, key)
-                result[service][filename][key] = value
-        return result
-
-    def get_node_group_files(self):
-        return
-
-    def get_node_groups(self, node_process=None):
-        return u.get_node_groups(self.cluster, node_process)
-
-    def get_instances_count(self, node_process=None):
-        return u.get_instances_count(self.cluster, node_process)
-
-    def get_instances(self, node_process=None):
-        return u.get_instances(self.cluster, node_process)
-
-    def get_instance(self, node_process):
-        return u.get_instance(self.cluster, node_process)
-
-    def get_instances_ip(self, node_process):
-        return [i.management_ip for i in self.get_instances(node_process)]
-
-    def get_instance_ip(self, node_process):
-        return self.get_instance(node_process).management_ip

sahara/plugins/mapr/util/commands.py

@@ -0,0 +1,19 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+def chown(instance, owner, path, run_as_root=True):
+    cmd = 'chown -R %(owner)s %(path)s' % {'owner': owner, 'path': path}
+    with instance.remote() as r:
+        r.execute_command(cmd, run_as_root=run_as_root)

sahara/plugins/mapr/util/config.py

@@ -1,110 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-from oslo_config import cfg
-from oslo_log import log as logging
-
-from sahara import exceptions as ex
-from sahara.i18n import _
-from sahara.i18n import _LI
-import sahara.plugins.mapr.util.config_file_utils as cfu
-import sahara.plugins.mapr.versions.version_handler_factory as vhf
-from sahara.plugins import provisioning as p
-import sahara.plugins.utils as u
-from sahara.topology import topology_helper as th
-from sahara.utils import files as f
-
-
-MAPR_HOME = '/opt/mapr'
-LOG = logging.getLogger(__name__)
-CONF = cfg.CONF
-CONF.import_opt("enable_data_locality", "sahara.topology.topology_helper")
-ENABLE_DATA_LOCALITY = p.Config('Enable Data Locality', 'general', 'cluster',
-                                config_type="bool", priority=1,
-                                default_value=True, is_optional=True)
-
-
-def post_configure_instance(instance):
-    LOG.info(_LI('START: Post configuration for instance.'))
-    with instance.remote() as r:
-        if is_data_locality_enabled(instance.node_group.cluster):
-            LOG.debug('Data locality is enabled.')
-            t_script = MAPR_HOME + '/topology.sh'
-            LOG.debug('Start writing file %s', t_script)
-            r.write_file_to(t_script, f.get_file_text(
-                'plugins/mapr/util/resources/topology.sh'), run_as_root=True)
-            LOG.debug('Done for writing file %s', t_script)
-            LOG.debug('Start executing command: chmod +x %s', t_script)
-            r.execute_command('chmod +x ' + t_script, run_as_root=True)
-            LOG.debug('Done for executing command.')
-        else:
-            LOG.debug('Data locality is disabled.')
-    LOG.info(_LI('END: Post configuration for instance.'))
-
-
-def configure_instances(cluster, instances):
-    h_version = cluster.hadoop_version
-    v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-    p_spec = v_handler.get_plugin_spec()
-    configurer = v_handler.get_cluster_configurer(cluster, p_spec)
-    configurer.configure(instances)
-
-
-def configure_topology_data(cluster, is_node_awareness):
-    LOG.info(_LI('START: configuring topology data.'))
-    if is_data_locality_enabled(cluster):
-        LOG.debug('Data locality is enabled.')
-        LOG.debug('Start generating topology map.')
-        topology_map = th.generate_topology_map(cluster, is_node_awareness)
-        LOG.debug('Done for generating topology map.')
-        topology_data = cfu.to_file_content(topology_map, 'topology')
-        for i in u.get_instances(cluster):
-            LOG.debug(
-                'Start writing to file: %s/topology.data', MAPR_HOME)
-            i.remote().write_file_to(MAPR_HOME + "/topology.data",
-                                     topology_data, run_as_root=True)
-            LOG.debug('Done writing to file: %s/topology.data', MAPR_HOME)
-    else:
-        LOG.debug('Data locality is disabled.')
-    LOG.info(_LI('END: configuring topology data.'))
-
-
-def get_plugin_configs():
-    configs = []
-    if CONF.enable_data_locality:
-        configs.append(ENABLE_DATA_LOCALITY)
-    return configs
-
-
-def get_plugin_config_value(service, name, cluster):
-    if cluster:
-        for ng in cluster.node_groups:
-            cl_param = ng.configuration().get(service, {}).get(name)
-            if cl_param is not None:
-                return cl_param
-
-    for c in get_plugin_configs():
-        if c.applicable_target == service and c.name == name:
-            return c.default_value
-
-    raise ex.NotFoundException(
-        name, (_("Unable to get parameter '%(name)s' from service %(service)s")
-               % {'name': name, 'service': service}))
-
-
-def is_data_locality_enabled(cluster):
-    if not CONF.enable_data_locality:
-        return False
-    return get_plugin_config_value(ENABLE_DATA_LOCALITY.applicable_target,
-                                   ENABLE_DATA_LOCALITY.name, cluster)

sahara/plugins/mapr/util/config_file_utils.py

@@ -1,81 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import six
-
-import sahara.plugins.mapr.util.func_utils as fu
-import sahara.utils.files as f
-import sahara.utils.xmlutils as x
-
-
-def load_properties_file(path):
-    predicate = fu.and_predicate(lambda i: len(i) != 0,
-                                 lambda i: not i.isspace(),
-                                 lambda i: not i.startswith('#'))
-    mapper = fu.chain_function(lambda i: tuple(i.split('=')),
-                               lambda i: (i[0].strip(), i[1].strip()))
-    lines = f.get_file_text(path).splitlines()
-    return dict(map(mapper, filter(predicate, lines)))
-
-
-def load_xml_file(path):
-    kv_mapper = lambda i: (x.get_text_from_node(i, 'name'),
-                           x._adjust_field(x.get_text_from_node(i, 'value')))
-    strip_mapper = lambda i: (i[0].strip(), i[1].strip())
-    props = x.load_xml_document(path).getElementsByTagName('property')
-    return dict(map(strip_mapper, map(kv_mapper, props)))
-
-
-def load_raw_file(path):
-    return {'content': f.get_file_text(path)}
-
-
-def to_properties_file_content(data):
-    mapper = lambda i: '%s=%s\n' % i
-    reducer = lambda p, c: p + c
-    return reduce(reducer, map(mapper, six.iteritems(data)), '')
-
-
-def to_xml_file_content(data):
-    return x.create_hadoop_xml(data)
-
-
-def to_topology_file_content(data):
-    mapper = lambda i: '%s %s\n' % i
-    reducer = lambda p, c: p + c
-    return reduce(reducer, map(mapper, six.iteritems(data)))
-
-
-def to_raw_file_content(data, cfu=True, conv=str):
-    return data['content'] if cfu else conv(data)
-
-
-def load_file(path, file_type):
-    if file_type == 'properties':
-        return load_properties_file(path)
-    elif file_type == 'xml':
-        return load_xml_file(path)
-    elif file_type == 'raw':
-        return load_raw_file(path)
-
-
-def to_file_content(data, file_type, *args, **kargs):
-    if file_type == 'properties':
-        return to_properties_file_content(data, *args, **kargs)
-    elif file_type == 'xml':
-        return to_xml_file_content(data, *args, **kargs)
-    elif file_type == 'topology':
-        return to_topology_file_content(data, *args, **kargs)
-    elif file_type == 'raw':
-        return to_raw_file_content(data, *args, **kargs)

sahara/plugins/mapr/util/config_utils.py

@@ -1,77 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import sahara.plugins.mapr.util.dict_utils as du
-import sahara.plugins.mapr.util.func_utils as fu
-import sahara.plugins.mapr.versions.version_handler_factory as vhf
-import sahara.utils.configs as c
-
-
-def get_scope_default_configs(version_handler, scope, services=None):
-    configs = map(lambda i: i.to_dict(), version_handler.get_configs())
-    q_predicate = fu.field_equals_predicate('scope', scope)
-    if services:
-        at_predicate = fu.in_predicate('applicable_target', services)
-        q_predicate = fu.and_predicate(q_predicate, at_predicate)
-    q_fields = ['applicable_target', 'name', 'default_value']
-    q_result = du.select(q_fields, configs, q_predicate)
-    m_reducer = du.iterable_to_values_pair_dict_reducer(
-        'name', 'default_value')
-    return du.map_by_field_value(q_result, 'applicable_target',
-                                 dict, m_reducer)
-
-
-def get_cluster_default_configs(version_handler, services=None):
-    return get_scope_default_configs(version_handler, 'cluster', services)
-
-
-def get_node_default_configs(version_handler, services=None):
-    return get_scope_default_configs(version_handler, 'node', services)
-
-
-def get_default_configs(version_handler, services=None):
-    cluster_configs = get_cluster_default_configs(version_handler, services)
-    node_configs = get_node_default_configs(version_handler, services)
-    return c.merge_configs(cluster_configs, node_configs)
-
-
-def get_node_group_services(node_group):
-    h_version = node_group.cluster.hadoop_version
-    v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-    services = v_handler.get_node_processes()
-    node_processes = node_group.node_processes
-    return set(s for np in node_processes
-               for s in services if np in services[s])
-
-
-def get_cluster_configs(cluster):
-    h_version = cluster.hadoop_version
-    v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-    default_configs = get_cluster_default_configs(v_handler)
-    user_configs = cluster.cluster_configs
-    return c.merge_configs(default_configs, user_configs)
-
-
-def get_configs(node_group):
-    services = get_node_group_services(node_group)
-    h_version = node_group.cluster.hadoop_version
-    v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-    default_configs = get_default_configs(v_handler, services)
-    user_configs = node_group.configuration()
-    return c.merge_configs(default_configs, user_configs)
-
-
-def get_service(version_handler, node_process):
-    node_processes = version_handler.get_node_processes()
-    return du.get_keys_by_value_2(node_processes, node_process)

sahara/plugins/mapr/util/dict_utils.py

@@ -1,124 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import collections as cl
-import copy as cp
-import functools as ft
-import itertools as it
-
-import six
-
-import sahara.plugins.mapr.util.func_utils as fu
-
-
-def append_to_key(dict_0, dict_1):
-    return dict((k0, dict((k1, dict_1[k1]) for k1 in keys_1 if k1 in dict_1))
-                for k0, keys_1 in six.iteritems(dict_0))
-
-
-def iterable_to_values_pair_dict_reducer(key_0, key_1):
-    def reducer(previous, iterable, mapper):
-        previous.update(dict(map(mapper, iterable)))
-        return previous
-    return ft.partial(reducer, mapper=fu.get_values_pair_function(key_0,
-                                                                  key_1))
-
-
-def flatten_to_list_reducer():
-    def reducer(previous, iterable):
-        previous.extend(list(iterable))
-        return previous
-    return reducer
-
-
-def map_by_field_value(iterable, key, factory=list,
-                       iterator_reducer=flatten_to_list_reducer()):
-    def reducer(mapping, current):
-        mapping[current[0]] = iterator_reducer(
-            mapping[current[0]], iter(current[1]))
-        return mapping
-    groups = it.groupby(iterable, fu.get_value_function(key))
-    return reduce(reducer, groups, cl.defaultdict(factory))
-
-
-def map_by_fields_values(iterable, fields, factory=list,
-                         reducer=flatten_to_list_reducer()):
-    if len(fields) == 1:
-        return map_by_field_value(iterable, fields[0], factory, reducer)
-    else:
-        return dict((k, map_by_fields_values(v, fields[1:], factory, reducer))
-                    for k, v in six.iteritems(map_by_field_value(
-                        iterable, fields[0])))
-
-
-def get_keys_by_value_type(mapping, value_type):
-    return filter(lambda k: isinstance(mapping[k], value_type), mapping)
-
-
-def deep_update(dict_0, dict_1, copy=True):
-    result = cp.deepcopy(dict_0) if copy else dict_0
-    dict_valued_keys_0 = set(get_keys_by_value_type(dict_0, dict))
-    dict_valued_keys_1 = set(get_keys_by_value_type(dict_1, dict))
-    common_keys = dict_valued_keys_0 & dict_valued_keys_1
-    if not common_keys:
-        result.update(dict_1)
-    else:
-        for k1, v1 in six.iteritems(dict_1):
-            result[k1] = deep_update(
-                dict_0[k1], v1) if k1 in common_keys else v1
-    return result
-
-
-def get_keys_by_value(mapping, value):
-    return [k for k, v in six.iteritems(mapping) if v == value]
-
-# TODO(aosadchiy): find more appropriate name
-
-
-def get_keys_by_value_2(mapping, value):
-    return [k for k, v in six.iteritems(mapping) if value in v]
-
-
-def iterable_to_values_list_reducer(key):
-    def reducer(previous, iterable, mapper):
-        previous.extend(map(mapper, iterable))
-        return previous
-    return ft.partial(reducer, mapper=fu.get_value_function(key))
-
-
-def select(fields, iterable, predicate=fu.true_predicate):
-    return map(fu.extract_fields_function(fields), filter(predicate, iterable))
-
-has_no_dict_values_predicate = lambda n: not get_keys_by_value_type(n, dict)
-
-
-def list_of_vp_dicts_function(key_0, key_1):
-    def transformer(item, key_0, key_1):
-        return [fu.values_pair_to_dict_function(key_0, key_1)(i)
-                for i in six.iteritems(item)]
-    return ft.partial(transformer, key_0=key_0, key_1=key_1)
-
-
-def flattened_dict(mapping, keys, is_terminal=has_no_dict_values_predicate,
-                   transform=None):
-    if not transform:
-        transform = list_of_vp_dicts_function(*keys[-2:])
-    if is_terminal(mapping):
-        return list(transform(mapping))
-    else:
-        temp = [it.imap(fu.append_field_function(keys[0], key),
-                        flattened_dict(value, keys[1:],
-                                       is_terminal, transform))
-                for key, value in six.iteritems(mapping)]
-    return list(it.chain(*temp))

sahara/plugins/mapr/util/func_utils.py

@@ -1,167 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import copy as c
-import functools as ft
-import itertools as it
-
-import six
-
-
-# predicates
-true_predicate = lambda i: True
-false_predicate = lambda i: False
-
-
-def not_predicate(predicate):
-    return ft.partial(lambda i, p: not p(i), p=predicate)
-
-
-def and_predicate(*predicates):
-    if len(predicates) == 1:
-        return predicates[0]
-    else:
-        def predicate(item, predicates):
-            for p in predicates:
-                if not p(item):
-                    return False
-            return True
-        return ft.partial(predicate, predicates=predicates)
-
-
-def or_predicate(*predicates):
-    if len(predicates) == 1:
-        return predicates[0]
-    else:
-        def predicate(item, predicates):
-            for p in predicates:
-                if p(item):
-                    return True
-            return False
-        return ft.partial(predicate, predicates=predicates)
-
-
-def impl_predicate(p0, p1):
-    return or_predicate(not_predicate(p0), p1)
-
-
-def field_equals_predicate(key, value):
-    return ft.partial(lambda i, k, v: i[k] == v, k=key, v=value)
-
-
-def like_predicate(template, ignored=[]):
-    if not template:
-        return true_predicate
-    elif len(template) == 1:
-        k, v = six.iteritems(template).next()
-        return true_predicate if k in ignored else field_equals_predicate(k, v)
-    else:
-        return and_predicate(*[field_equals_predicate(key, value)
-                               for key, value in six.iteritems(template)
-                               if key not in ignored])
-
-
-def in_predicate(key, values):
-    if not values:
-        return false_predicate
-    else:
-        return or_predicate(*[field_equals_predicate(key, value)
-                              for value in values])
-
-# functions
-
-
-def chain_function(*functions):
-    return reduce(lambda p, c: ft.partial(lambda i, p, c: c(p(i)), p=p, c=c),
-                  functions)
-
-
-def copy_function():
-    return lambda i: c.deepcopy(i)
-
-
-def append_field_function(key, value):
-    def mapper(item, key, value):
-        item = c.deepcopy(item)
-        item[key] = value
-        return item
-    return ft.partial(mapper, key=key, value=value)
-
-
-def append_fields_function(fields):
-    if not fields:
-        return copy_function()
-    elif len(fields) == 1:
-        key, value = six.iteritems(fields).next()
-        return append_field_function(key, value)
-    else:
-        return chain_function(*[append_field_function(key, value)
-                                for key, value in six.iteritems(fields)])
-
-
-def get_values_pair_function(key_0, key_1):
-    return ft.partial(lambda i, k0, k1: (i[k0], i[k1]), k0=key_0, k1=key_1)
-
-
-def get_field_function(key):
-    return ft.partial(lambda i, k: (k, i[k]), k=key)
-
-
-def get_fields_function(keys):
-    return ft.partial(lambda i, k: [f(i) for f in [get_field_function(key)
-                                                   for key in k]], k=keys)
-
-
-def extract_fields_function(keys):
-    return lambda i: dict(get_fields_function(keys)(i))
-
-
-def get_value_function(key):
-    return ft.partial(lambda i, k: i[k], k=key)
-
-
-def set_default_value_function(key, value):
-    def mapper(item, key, value):
-        item = c.deepcopy(item)
-        if key not in item:
-            item[key] = value
-        return item
-    return ft.partial(mapper, key=key, value=value)
-
-
-def set_default_values_function(fields):
-    if not fields:
-        return copy_function()
-    elif len(fields) == 1:
-        key, value = six.iteritems(fields).next()
-        return set_default_value_function(key, value)
-    else:
-        return chain_function(*[set_default_value_function(key, value)
-                                for key, value in six.iteritems(fields)])
-
-
-def values_pair_to_dict_function(key_0, key_1):
-    return ft.partial(lambda vp, k0, k1: {k0: vp[0], k1: vp[1]},
-                      k0=key_0, k1=key_1)
-
-
-def flatten(iterable):
-    return it.chain.from_iterable(iterable)
-
-
-def sync_execute_consumer(*consumers):
-    def consumer(argument, consumers):
-        for cn in consumers:
-            cn(argument)
-    return ft.partial(consumer, consumers=consumers)

sahara/plugins/mapr/util/general.py

@@ -0,0 +1,90 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import uuid
+
+
+def unique_list(iterable, mapper=lambda i: i):
+    result = []
+
+    for item in iterable:
+        value = mapper(item)
+        if value not in result:
+            result.append(value)
+
+    return result
+
+
+def _run_as(user, command):
+    if not user:
+        return command
+    return 'sudo -u %(user)s %(command)s' % {'user': user, 'command': command}
+
+
+def unique_file_name(base='/tmp'):
+    return '%(base)s/%(uuid)s' % {'base': base, 'uuid': uuid.uuid4()}
+
+
+def remove(instance, path, recursive=True, run_as=None):
+    with instance.remote() as r:
+        args = {'recursive': '-r' if recursive else '', 'path': path}
+        r.execute_command(_run_as(run_as, 'rm %(recursive)s %(path)s' % args))
+
+
+def create_archive(instance, path, archive=None, run_as=None):
+    if not archive:
+        archive = unique_file_name('/tmp')
+    args = {'archive': archive, 'path': path}
+    tar = 'tar cf %(archive)s -C %(path)s .' % args
+    with instance.remote() as r:
+        r.execute_command(_run_as(run_as, tar))
+    return archive
+
+
+def unpack_archive(instance, src, dest, cleanup=False, run_as=None):
+    with instance.remote() as r:
+        r.execute_command(_run_as(run_as, 'mkdir -p %s' % dest))
+        untar = 'tar xf %(src)s -C %(dest)s' % {'src': src, 'dest': dest}
+        r.execute_command(_run_as(run_as, untar))
+        if cleanup:
+            r.execute_command(_run_as(run_as, 'rm -r %s' % src))
+
+
+def is_directory(instance, path):
+    with instance.remote() as r:
+        ec, out = r.execute_command('[ -d %s ]' % path, raise_when_error=False)
+    return not ec
+
+
+def copy_file(s_path, s_instance, d_path, d_instance, run_as=None):
+    with s_instance.remote() as sr:
+        data = sr.read_file_from(s_path, run_as_root=(run_as == 'root'))
+    with d_instance.remote() as dr:
+        dr.write_file_to(d_path, data, run_as_root=(run_as == 'root'))
+
+
+def copy_dir(s_path, s_instance, d_path, d_instance, run_as=None):
+    s_path = create_archive(s_instance, s_path, run_as=run_as)
+    tmp_path = unique_file_name('/tmp')
+    copy_file(s_path, s_instance, tmp_path, d_instance, run_as)
+    unpack_archive(d_instance, tmp_path, d_path, True, run_as)
+    remove(s_instance, s_path, True, run_as)
+
+
+def copy(s_path, s_instance, d_path, d_instance, run_as=None):
+    if is_directory(s_instance, s_path):
+        copy_dir(s_path, s_instance, d_path, d_instance, run_as)
+    else:
+        copy_file(s_path, s_instance, d_path, d_instance, run_as)

sahara/plugins/mapr/util/maprfs_helper.py

@@ -1,17 +1,19 @@
-# Copyright (c) 2014, MapR Technologies
+# Copyright (c) 2015, MapR Technologies
 #
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
 #
 #       http://www.apache.org/licenses/LICENSE-2.0
 #
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
 
+
+import os
 import uuid
 
 import six
@@ -19,13 +21,15 @@ import six
 MV_TO_MAPRFS_CMD = ('sudo -u %(user)s'
                     ' hadoop fs -copyFromLocal %(source)s %(target)s'
                     ' && sudo rm -f %(source)s')
-MKDIR_CMD = 'sudo -u %(user)s hadoop fs -mkdir -p %(path)s'
+MKDIR_CMD_MAPR4 = 'sudo -u %(user)s hadoop fs -mkdir -p %(path)s'
+MKDIR_CMD_MAPR3 = 'sudo -u %(user)s hadoop fs -mkdir %(path)s'
 
 
 def put_file_to_maprfs(r, content, file_name, path, hdfs_user):
     tmp_file_name = '/tmp/%s.%s' % (file_name, six.text_type(uuid.uuid4()))
     r.write_file_to(tmp_file_name, content)
-    move_from_local(r, tmp_file_name, path + '/' + file_name, hdfs_user)
+    target = os.path.join(path, file_name)
+    move_from_local(r, tmp_file_name, target, hdfs_user)
 
 
 def move_from_local(r, source, target, hdfs_user):
@@ -33,5 +37,11 @@ def move_from_local(r, source, target, hdfs_user):
     r.execute_command(MV_TO_MAPRFS_CMD % args)
 
 
-def create_maprfs_dir(remote, dir_name, hdfs_user):
-    remote.execute_command(MKDIR_CMD % {'user': hdfs_user, 'path': dir_name})
+def create_maprfs4_dir(remote, dir_name, hdfs_user):
+    remote.execute_command(MKDIR_CMD_MAPR4 % {'user': hdfs_user,
+                                              'path': dir_name})
+
+
+def create_maprfs3_dir(remote, dir_name, hdfs_user):
+    remote.execute_command(MKDIR_CMD_MAPR3 % {'user': hdfs_user,
+                                              'path': dir_name})

sahara/plugins/mapr/util/names.py

@@ -1,41 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-OOZIE = 'Oozie'
-HIVE = 'Hive'
-HIVE_METASTORE = 'HiveMetastore'
-HIVE_SERVER2 = 'HiveServer2'
-CLDB = 'CLDB'
-FILE_SERVER = 'FileServer'
-ZOOKEEPER = 'ZooKeeper'
-RESOURCE_MANAGER = 'ResourceManager'
-HISTORY_SERVER = 'HistoryServer'
-IS_M7_ENABLED = 'Enable MapR-DB'
-GENERAL = 'general'
-JOBTRACKER = 'JobTracker'
-NODE_MANAGER = 'NodeManager'
-DATANODE = 'Datanode'
-TASK_TRACKER = 'TaskTracker'
-SECONDARY_NAMENODE = 'SecondaryNamenode'
-NFS = 'NFS'
-WEB_SERVER = 'Webserver'
-WAIT_OOZIE_INTERVAL = 300
-WAIT_NODE_ALARM_NO_HEARTBEAT = 360
-ecosystem_components = ['Oozie',
-                        'Hive-Metastore',
-                        'HiveServer2',
-                        'HBase-Master',
-                        'HBase-RegionServer',
-                        'HBase-Client',
-                        'Pig']

sahara/plugins/mapr/util/plugin_spec.py

@@ -1,198 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import json
-import os.path
-
-from oslo_log import log as logging
-import six
-
-import sahara.plugins.mapr.util.config_file_utils as cfu
-import sahara.plugins.mapr.util.dict_utils as du
-import sahara.plugins.mapr.util.func_utils as fu
-import sahara.plugins.provisioning as p
-import sahara.utils.files as fm
-
-
-LOG = logging.getLogger(__name__)
-
-
-class PluginSpec(object):
-
-    def __init__(self, path):
-        self.base_dir = os.path.dirname(path)
-        self.plugin_spec_dict = self._load_plugin_spec_dict(path)
-        self.service_file_name_map = self._load_service_file_name_map()
-        self.default_configs = self._load_default_configs()
-        self.service_node_process_map = self._load_service_node_process_map()
-        self.plugin_config_objects = self._load_plugin_config_objects()
-        self.file_name_config_map = self._load_file_name_config_map()
-        self.plugin_config_items = self._load_plugin_config_items()
-        self.plugin_configs = self._load_plugin_configs()
-        self.default_plugin_configs = self._load_default_plugin_configs()
-        self.file_type_map = self._load_file_type_map()
-
-    def _load_plugin_spec_dict(self, path):
-        LOG.debug('Loading plugin spec from %s', path)
-        plugin_spec_dict = json.loads(fm.get_file_text(path))
-        return plugin_spec_dict
-
-    def _load_service_file_name_map(self):
-        LOG.debug('Loading service -> filename mapping')
-        return dict((s['name'], [fn for fn in s['files']])
-                    for s in self.plugin_spec_dict['services']
-                    if 'files' in s and s['files'])
-
-    def _load_default_configs(self):
-        LOG.debug('Loading defaults from local files')
-        file_name_data_map = {}
-        for f in self.plugin_spec_dict['files']:
-            if 'local' not in f:
-                LOG.debug('%s skipped. No "local" section', f['remote'])
-                continue
-            local_path = os.path.join(self.base_dir, f['local'])
-            LOG.debug('Loading %(local_path)s as default for %(remote)s',
-                      {'local_path': local_path, 'remote': f['remote']})
-            data = cfu.load_file(local_path, f['type'])
-            file_name_data_map[f['remote']] = data
-        return du.append_to_key(self.service_file_name_map, file_name_data_map)
-
-    def _load_plugin_config_items(self):
-        LOG.debug('Loading full configs map for plugin')
-        items = map(lambda i: i.to_dict(), self.plugin_config_objects)
-
-        def mapper(item):
-            file_name = du.get_keys_by_value_2(
-                self.file_name_config_map, item['name'])[0]
-            append_f = fu.append_field_function('file', file_name)
-            return append_f(item)
-        return map(mapper, items)
-
-    def _load_plugin_configs(self):
-        LOG.debug('Loading plugin configs {service:{file:{name:value}}}')
-        m_fields = ['applicable_target', 'file']
-        vp_fields = ('name', 'default_value')
-        reducer = du.iterable_to_values_pair_dict_reducer(*vp_fields)
-        return du.map_by_fields_values(self.plugin_config_items,
-                                       m_fields, dict, reducer)
-
-    def _load_default_plugin_configs(self):
-        return du.deep_update(self.default_configs, self.plugin_configs)
-
-    def _load_service_node_process_map(self):
-        LOG.debug('Loading {service:[node process]} mapping')
-        return dict((s['name'], [np for np in s['node_processes']])
-                    for s in self.plugin_spec_dict['services']
-                    if 'node_processes' in s and s['node_processes'])
-
-    def _load_file_name_config_map(self):
-        LOG.debug('Loading {filename:[config_name]} names mapping')
-        r = {}
-        for fd in self.plugin_spec_dict['files']:
-            if 'configs' in fd:
-                r[fd['remote']] = [i['name']
-                                   for ir, sd in six.iteritems(fd['configs'])
-                                   for s, items in six.iteritems(sd)
-                                   for i in items]
-        return r
-
-    def _load_plugin_config_objects(self):
-        LOG.debug('Loading config objects for sahara-dashboard')
-
-        def mapper(item):
-            req = ['name', 'applicable_target', 'scope']
-            opt = ['description', 'config_type', 'config_values',
-                   'default_value', 'is_optional', 'priority']
-            kargs = dict((k, item[k]) for k in req + opt if k in item)
-            return p.Config(**kargs)
-        result = []
-        for file_dict in self.plugin_spec_dict['files']:
-            if 'configs' not in file_dict:
-                LOG.debug('%s skipped. No "configs" section',
-                          file_dict['remote'])
-                continue
-            remote_path = file_dict['remote']
-            applicable_target = du.get_keys_by_value_2(
-                self.service_file_name_map, remote_path)[0]
-            for is_required, scope_dict in six.iteritems(file_dict['configs']):
-                is_optional = is_required != 'required'
-                for scope, items in six.iteritems(scope_dict):
-                    fields = {'file': remote_path, 'is_optional': is_optional,
-                              'scope': scope,
-                              'applicable_target': applicable_target}
-                    append_f = fu.append_fields_function(fields)
-                    result.extend([append_f(i) for i in items])
-        return map(mapper, result)
-
-    def _load_file_type_map(self):
-        LOG.debug('Loading {filename:type} mapping')
-        return dict((f['remote'], f['type'])
-                    for f in self.plugin_spec_dict['files'])
-
-    def get_node_process_service(self, node_process):
-        return du.get_keys_by_value_2(self.service_node_process_map,
-                                      node_process)[0]
-
-    def get_default_plugin_configs(self, services):
-        return dict((k, self.default_plugin_configs[k])
-                    for k in services if k in self.default_plugin_configs)
-
-    def get_config_file(self, scope, service, name):
-        p_template = {
-            'applicable_target': service, 'scope': scope, 'name': name}
-        q_fields = ['file']
-        q_predicate = fu.like_predicate(p_template)
-        q_source = self.plugin_config_items
-        q_result = du.select(q_fields, q_source, q_predicate)
-        if q_result and 'file' in q_result[0]:
-            return q_result[0]['file']
-        else:
-            return None
-
-    def get_file_type(self, file_name):
-        if file_name in self.file_type_map:
-            return self.file_type_map[file_name]
-        else:
-            return None
-
-    def get_service_for_file_name(self, file_name):
-        return du.get_keys_by_value_2(self.service_file_name_map, file_name)[0]
-
-    def get_version_config_objects(self):
-        common_fields = {'scope': 'cluster',
-                         'config_type': 'dropdown',
-                         'is_optional': False,
-                         'priority': 1}
-
-        def has_version_field(service):
-            return 'versions' in service
-
-        def get_versions(service):
-            return {'name': '%s Version' % service['name'],
-                    'applicable_target': service['name'],
-                    'config_values': [(v, v) for v in service['versions']]}
-
-        def add_common_fields(item):
-            item.update(common_fields)
-            return item
-
-        def to_config(item):
-            return p.Config(**item)
-
-        mapper = fu.chain_function(get_versions, add_common_fields, to_config)
-        source = self.plugin_spec_dict['services']
-        return map(mapper, filter(has_version_field, source))
-
-    def get_configs(self):
-        return self.plugin_config_objects + self.get_version_config_objects()

sahara/plugins/mapr/util/resources/hadoop_version

@@ -1,3 +0,0 @@
-classic_version=0.20.2
-yarn_version=2.4.1
-default_mode=%(mode)s

sahara/plugins/mapr/util/resources/waiting_script.sh

@@ -1,9 +0,0 @@
-#!/bin/sh
-
-while True; do
-    if [ -f '/tmp/launching-mapr-mfs.lck' ]; then
-        sleep 5
-    else
-        break
-    fi
-done

sahara/plugins/mapr/util/run_scripts.py

@@ -1,72 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-from oslo_log import log as logging
-
-from sahara.i18n import _LI
-
-
-LOG = logging.getLogger(__name__)
-
-
-def run_configure_sh(remote, script_string):
-    LOG.info(_LI("running configure.sh script"))
-    remote.execute_command(script_string, run_as_root=True)
-
-
-def start_zookeeper(remote):
-    LOG.info(_LI("Starting mapr-zookeeper"))
-    remote.execute_command('service mapr-zookeeper start', run_as_root=True)
-
-
-def start_oozie(remote):
-    LOG.info(_LI("Starting mapr-oozie"))
-    remote.execute_command('service mapr-oozie start',
-                           run_as_root=True,
-                           raise_when_error=False)
-
-
-def start_hive_metastore(remote):
-    LOG.info(_LI("Starting mapr-hive-server2"))
-    remote.execute_command('service mapr-hivemetastore start',
-                           run_as_root=True)
-
-
-def start_hive_server2(remote):
-    LOG.info(_LI("Starting mapr-hive-server2"))
-    remote.execute_command('service mapr-hiveserver2 start', run_as_root=True)
-
-
-def start_warden(remote):
-    LOG.info(_LI("Starting mapr-warden"))
-    remote.execute_command('service mapr-warden start', run_as_root=True)
-
-
-def start_cldb(remote):
-    LOG.info(_LI("Starting mapr-cldb"))
-    remote.execute_command('service mapr-cldb start', run_as_root=True)
-
-
-def start_node_manager(remote):
-    LOG.info(_LI("Starting nodemanager"))
-    remote.execute_command(('/opt/mapr/hadoop/hadoop-2.3.0'
-                            '/sbin/yarn-daemon.sh start nodemanager'),
-                           run_as_root=True)
-
-
-def start_resource_manager(remote):
-    LOG.info(_LI("Starting resourcemanager"))
-    remote.execute_command(('/opt/mapr/hadoop/hadoop-2.3.0'
-                            '/sbin/yarn-daemon.sh start resourcemanager'),
-                           run_as_root=True)

sahara/plugins/mapr/util/scaling.py

@@ -1,145 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-from oslo_log import log as logging
-
-from sahara import context
-from sahara.i18n import _LI
-from sahara.plugins.mapr.util import config
-from sahara.plugins.mapr.util import names
-from sahara.plugins.mapr.util import run_scripts
-from sahara.plugins.mapr.util import start_helper
-from sahara.utils import general as gen
-
-
-LOG = logging.getLogger(__name__)
-
-STOP_WARDEN_CMD = 'service mapr-warden stop'
-STOP_ZOOKEEPER_CMD = 'service mapr-zookeeper stop'
-GET_SERVER_ID_CMD = ('maprcli node list -json -filter [ip==%s] -columns id'
-                     ' | grep id | grep -o \'[0-9]*\'')
-MOVE_NODE_CMD = 'maprcli node move -serverids %s -topology /decommissioned'
-GET_HOSTNAME_CMD = ('maprcli node list -json -filter [ip==%s]'
-                    ' -columns hostname | grep hostname'
-                    ' | grep -Po \'(?<=("hostname":")).*?(?=")\'')
-REMOVE_NODE_CMD = 'maprcli node remove -filter [ip==%(ip)s] -nodes %(nodes)s'
-REMOVE_MAPR_PACKAGES_CMD = ('python -mplatform | grep Ubuntu '
-                            '&& apt-get remove mapr-\* -y'
-                            ' || yum remove mapr-\* -y')
-REMOVE_MAPR_HOME_CMD = 'rm -rf /opt/mapr'
-REMOVE_MAPR_CORES_CMD = 'rm -rf /opt/cores/*.core.*'
-
-
-def scale_cluster(cluster, instances, disk_setup_script_path, waiting_script,
-                  context, configure_sh_string, is_node_awareness):
-    LOG.info(_LI('START: Cluster scaling. Cluster = %s'), cluster.name)
-    for inst in instances:
-        start_helper.install_role_on_instance(inst, context)
-    config.configure_instances(cluster, instances)
-    start_services(cluster, instances, disk_setup_script_path,
-                   waiting_script, configure_sh_string)
-    LOG.info(_LI('END: Cluster scaling. Cluster = %s'), cluster)
-
-
-def decommission_nodes(cluster, instances, configure_sh_string):
-    LOG.info(_LI('Start decommission . Cluster = %s'), cluster.name)
-    move_node(cluster, instances)
-    stop_services(cluster, instances)
-    context.sleep(names.WAIT_NODE_ALARM_NO_HEARTBEAT)
-    remove_node(cluster, instances)
-    remove_services(cluster, instances)
-    if check_for_cldb_or_zookeeper_service(instances):
-        all_instances = gen.get_instances(cluster)
-        current_cluster_instances = [
-            x for x in all_instances if x not in instances]
-        for inst in current_cluster_instances:
-            start_helper.exec_configure_sh_on_instance(
-                cluster, inst, configure_sh_string)
-    LOG.info(_LI('End decommission. Cluster = %s'), cluster.name)
-
-
-def start_services(cluster, instances, disk_setup_script_path,
-                   waiting_script, configure_sh_string):
-    LOG.info(_LI('START: Starting services.'))
-    for inst in instances:
-        start_helper.exec_configure_sh_on_instance(
-            cluster, inst, configure_sh_string)
-        start_helper.wait_for_mfs_unlock(cluster, waiting_script)
-        start_helper.setup_maprfs_on_instance(inst, disk_setup_script_path)
-
-        if check_if_is_zookeeper_node(inst):
-            run_scripts.start_zookeeper(inst.remote())
-
-        run_scripts.start_warden(inst.remote())
-
-    if check_for_cldb_or_zookeeper_service(instances):
-        start_helper.exec_configure_sh_on_cluster(
-            cluster, configure_sh_string)
-    LOG.info(_LI('END: Starting services.'))
-
-
-def stop_services(cluster, instances):
-    LOG.info(_LI("Stop warden and zookeeper"))
-    for instance in instances:
-        with instance.remote() as r:
-            r.execute_command(STOP_WARDEN_CMD, run_as_root=True)
-            if check_if_is_zookeeper_node(instance):
-                r.execute_command(STOP_ZOOKEEPER_CMD, run_as_root=True)
-    LOG.info(_LI("Warden and zookeeper stoped"))
-
-
-def move_node(cluster, instances):
-    LOG.info(_LI("Start moving the node to the /decommissioned"))
-    for instance in instances:
-        with instance.remote() as r:
-            command = GET_SERVER_ID_CMD % instance.management_ip
-            ec, out = r.execute_command(command, run_as_root=True)
-            command = MOVE_NODE_CMD % out.strip()
-            r.execute_command(command, run_as_root=True)
-    LOG.info(_LI("Nodes moved to the /decommissioned"))
-
-
-def remove_node(cluster, instances):
-    LOG.info("Start removing the nodes")
-    for instance in instances:
-        with instance.remote() as r:
-            command = GET_HOSTNAME_CMD % instance.management_ip
-            ec, out = r.execute_command(command, run_as_root=True)
-            command = REMOVE_NODE_CMD % {'ip': instance.management_ip,
-                                         'nodes': out.strip()}
-            r.execute_command(command, run_as_root=True)
-    LOG.info("Nodes removed")
-
-
-def remove_services(cluster, instances):
-    LOG.info(_LI("Start remove all mapr services"))
-    for instance in instances:
-        with instance.remote() as r:
-            r.execute_command(REMOVE_MAPR_PACKAGES_CMD, run_as_root=True)
-            r.execute_command(REMOVE_MAPR_HOME_CMD, run_as_root=True)
-            r.execute_command(REMOVE_MAPR_CORES_CMD, run_as_root=True)
-    LOG.info(_LI("All mapr services removed"))
-
-
-def check_if_is_zookeeper_node(instance):
-    processes_list = instance.node_group.node_processes
-    return names.ZOOKEEPER in processes_list
-
-
-def check_for_cldb_or_zookeeper_service(instances):
-    for inst in instances:
-        np_list = inst.node_group.node_processes
-        if names.ZOOKEEPER in np_list or names.CLDB in np_list:
-            return True
-    return False

sahara/plugins/mapr/util/start_helper.py

@@ -1,178 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-from oslo_log import log as logging
-
-from sahara import context
-from sahara.i18n import _LI
-from sahara.plugins.mapr.util import names
-from sahara.plugins.mapr.util import run_scripts
-import sahara.plugins.mapr.versions.version_handler_factory as vhf
-import sahara.plugins.utils as utils
-from sahara.utils import files as files
-
-
-LOG = logging.getLogger(__name__)
-
-
-def exec_configure_sh_on_cluster(cluster, script_string):
-    inst_list = utils.get_instances(cluster)
-    for n in inst_list:
-        exec_configure_sh_on_instance(cluster, n, script_string)
-
-
-def exec_configure_sh_on_instance(cluster, instance, script_string):
-    LOG.info(_LI('START: Executing configure.sh'))
-    if check_for_mapr_db(cluster):
-        script_string += ' -M7'
-    if not check_if_mapr_user_exist(instance):
-        script_string += ' --create-user'
-    LOG.debug('script_string = %s', script_string)
-    instance.remote().execute_command(script_string, run_as_root=True)
-    LOG.info(_LI('END: Executing configure.sh'))
-
-
-def check_for_mapr_db(cluster):
-    h_version = cluster.hadoop_version
-    v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-    return v_handler.get_context(cluster).is_m7_enabled()
-
-
-def setup_maprfs_on_cluster(cluster, path_to_disk_setup_script):
-    mapr_node_list = utils.get_instances(cluster, 'FileServer')
-    for instance in mapr_node_list:
-        setup_maprfs_on_instance(instance, path_to_disk_setup_script)
-
-
-def setup_maprfs_on_instance(instance, path_to_disk_setup_script):
-    LOG.info(_LI('START: Setup maprfs on instance %s'), instance.instance_name)
-    create_disk_list_file(instance, path_to_disk_setup_script)
-    execute_disksetup(instance)
-    LOG.info(_LI('END: Setup maprfs on instance.'))
-
-
-def create_disk_list_file(instance, path_to_disk_setup_script):
-    LOG.info(_LI('START: Creating disk list file.'))
-    script_path = '/tmp/disk_setup_script.sh'
-    rmt = instance.remote()
-    LOG.debug('Writing /tmp/disk_setup_script.sh')
-    rmt.write_file_to(
-        script_path, files.get_file_text(path_to_disk_setup_script))
-    LOG.debug('Start executing command: chmod +x %s', script_path)
-    rmt.execute_command('chmod +x ' + script_path, run_as_root=True)
-    LOG.debug('Done for executing command.')
-    args = ' '.join(instance.node_group.storage_paths())
-    cmd = '%s %s' % (script_path, args)
-    LOG.debug('Executing %s', cmd)
-    rmt.execute_command(cmd, run_as_root=True)
-    LOG.info(_LI('END: Creating disk list file.'))
-
-
-def execute_disksetup(instance):
-    LOG.info(_LI('START: Executing disksetup.'))
-    rmt = instance.remote()
-    rmt.execute_command(
-        '/opt/mapr/server/disksetup -F /tmp/disk.list', run_as_root=True)
-    LOG.info(_LI('END: Executing disksetup.'))
-
-
-def wait_for_mfs_unlock(cluster, path_to_waiting_script):
-    mapr_node_list = utils.get_instances(cluster, names.FILE_SERVER)
-    for instance in mapr_node_list:
-        create_waiting_script_file(instance, path_to_waiting_script)
-        exec_waiting_script_on_instance(instance)
-
-
-def start_zookeeper_nodes_on_cluster(cluster):
-    zkeeper_node_list = utils.get_instances(cluster, names.ZOOKEEPER)
-    for z_keeper_node in zkeeper_node_list:
-        run_scripts.start_zookeeper(z_keeper_node.remote())
-
-
-def start_warden_on_cluster(cluster):
-    node_list = utils.get_instances(cluster)
-    for node in node_list:
-        run_scripts.start_warden(node.remote())
-
-
-def start_warden_on_cldb_nodes(cluster):
-    node_list = utils.get_instances(cluster, names.CLDB)
-    for node in node_list:
-        run_scripts.start_warden(node.remote())
-
-
-def start_warden_on_other_nodes(cluster):
-    node_list = utils.get_instances(cluster)
-    for node in node_list:
-        if names.CLDB not in node.node_group.node_processes:
-            run_scripts.start_warden(node.remote())
-
-
-def create_waiting_script_file(instance, path_to_waiting_script):
-    LOG.info(_LI('START: Creating waiting script file.'))
-    script_path = '/tmp/waiting_script.sh'
-    rmt = instance.remote()
-    rmt.write_file_to(script_path, files.get_file_text(path_to_waiting_script))
-    LOG.info(_LI('END: Creating waiting script file.'))
-
-
-def exec_waiting_script_on_instance(instance):
-    LOG.info(_LI('START: Waiting script'))
-    rmt = instance.remote()
-    rmt.execute_command('chmod +x /tmp/waiting_script.sh', run_as_root=True)
-    rmt.execute_command('/tmp/waiting_script.sh', run_as_root=True)
-    LOG.info(_LI('END: Waiting script'))
-
-
-def check_if_mapr_user_exist(instance):
-    ec, out = instance.remote().execute_command('id -u mapr',
-                                                run_as_root=True,
-                                                raise_when_error=False)
-    return ec == 0
-
-
-def check_for_mapr_component(instance, component_name):
-    component_list = instance.node_group.node_processes
-    return component_name in component_list
-
-
-def install_role_on_instance(instance,  cluster_context):
-    LOG.info(_LI('START: Installing roles on node '))
-    roles_list = instance.node_group.node_processes
-    exec_str = (cluster_context.get_install_manager()
-                + cluster_context.get_roles_str(roles_list))
-    LOG.debug('Executing "%(command)s" on %(instance)s',
-              {'command': exec_str, 'instance': instance.instance_id})
-
-    instance.remote().execute_command(exec_str, run_as_root=True, timeout=900)
-    LOG.info(_LI('END: Installing roles on node '))
-
-
-def install_roles(cluster,  cluster_context):
-    LOG.info(_LI('START: Installing roles on cluster'))
-    instances = utils.get_instances(cluster)
-    with context.ThreadGroup(len(instances)) as tg:
-        for instance in instances:
-            tg.spawn('install_roles_%s' % instance.instance_id,
-                     install_role_on_instance,
-                     instance,
-                     cluster_context)
-    LOG.info(_LI('END: Installing roles on cluster'))
-
-
-def start_ecosystem(cluster_context):
-    oozie_inst = cluster_context.get_oozie_instance()
-    if oozie_inst is not None:
-        context.sleep(names.WAIT_OOZIE_INTERVAL)
-        run_scripts.start_oozie(oozie_inst.remote())

sahara/plugins/mapr/util/validation_utils.py

@@ -1,135 +1,175 @@
-# Copyright (c) 2014, MapR Technologies
+# Copyright (c) 2015, MapR Technologies
 #
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
 #
 #       http://www.apache.org/licenses/LICENSE-2.0
 #
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 
 import functools as ft
 
+from sahara.conductor import resource as r
+import sahara.exceptions as ex
 from sahara.i18n import _
 import sahara.plugins.exceptions as e
-import sahara.plugins.mapr.util.cluster_info as ci
-import sahara.plugins.mapr.util.wrapper as w
 
 
 class LessThanCountException(e.InvalidComponentCountException):
+    MESSAGE = _("Hadoop cluster should contain at least"
+                " %(expected_count)d %(component)s component(s)."
+                " Actual %(component)s count is %(actual_count)d")
 
     def __init__(self, component, expected_count, count):
         super(LessThanCountException, self).__init__(
             component, expected_count, count)
-        self.message = (_("Hadoop cluster should contain at least"
-                          " %(expected_count)d %(component)s component(s)."
-                          " Actual %(component)s count is %(count)d")
-                        % {'expected_count': expected_count,
-                           'component': component, 'count': count})
+        args = {
+            'expected_count': expected_count,
+            'component': component,
+            'actual_count': count,
+        }
+        self.message = LessThanCountException.MESSAGE % args
 
 
-class MoreThanCountException(e.InvalidComponentCountException):
+class EvenCountException(ex.SaharaException):
+    MESSAGE = _("Hadoop cluster should contain odd number of %(component)s"
+                " but %(actual_count)s found.")
 
-    def __init__(self, component, expected_count, count):
-        super(MoreThanCountException, self).__init__(
-            component, expected_count, count)
-        self.message = (_("Hadoop cluster should contain not more than"
-                          " %(expected_count)d %(component)s component(s)."
-                          " Actual %(component)s count is %(count)d")
-                        % {'expected_count': expected_count,
-                           'component': component, 'count': count})
+    def __init__(self, component, count):
+        super(EvenCountException, self).__init__()
+        args = {'component': component, 'actual_count': count}
+        self.message = EvenCountException.MESSAGE % args
 
 
 class NodeRequiredServiceMissingException(e.RequiredServiceMissingException):
+    MISSING_MSG = _('Node "%(ng_name)s" is missing component %(component)s')
+    REQUIRED_MSG = _('%(message)s, required by %(required_by)s')
 
-    def __init__(self, service_name, required_by=None):
+    def __init__(self, service_name, ng_name, required_by=None):
         super(NodeRequiredServiceMissingException, self).__init__(
             service_name, required_by)
-        self.message = _('Node is missing a service: %s') % service_name
+        args = {'ng_name': ng_name, 'component': service_name}
+        self.message = (
+            NodeRequiredServiceMissingException.MISSING_MSG % args)
         if required_by:
-            self.message = (_('%(message)s, required by service:'
-                              ' %(required_by)s')
-                            % {'message': self.message,
-                               'required_by': required_by})
+            args = {'message': self.message, 'required_by': required_by}
+            self.message = (
+                NodeRequiredServiceMissingException.REQUIRED_MSG % args)
 
 
-def not_less_than_count_component_vr(component, count):
-    def validate(cluster, component, count):
-        c_info = ci.ClusterInfo(cluster, None)
-        actual_count = c_info.get_instances_count(component)
+class NodeServiceConflictException(ex.SaharaException):
+    MESSAGE = _('%(service)s service cannot be installed alongside'
+                ' %(package)s package')
+    ERROR_CODE = "NODE_PROCESS_CONFLICT"
+
+    def __init__(self, service_name, conflicted_package):
+        super(NodeServiceConflictException, self).__init__()
+        args = {
+            'service': service_name,
+            'package': conflicted_package,
+        }
+        self.message = NodeServiceConflictException.MESSAGE % args
+        self.code = NodeServiceConflictException.ERROR_CODE
+
+
+def at_least(count, component):
+    def validate(cluster_context, component, count):
+        actual_count = cluster_context.get_instances_count(component)
         if not actual_count >= count:
-            raise LessThanCountException(component, count, actual_count)
+            raise LessThanCountException(
+                component.ui_name, count, actual_count)
+
     return ft.partial(validate, component=component, count=count)
 
 
-def not_more_than_count_component_vr(component, count):
-    def validate(cluster, component, count):
-        c_info = ci.ClusterInfo(cluster, None)
-        actual_count = c_info.get_instances_count(component)
-        if not actual_count <= count:
-            raise MoreThanCountException(component, count, actual_count)
-    return ft.partial(validate, component=component, count=count)
-
-
-def equal_count_component_vr(component, count):
-    def validate(cluster, component, count):
-        c_info = ci.ClusterInfo(cluster, None)
-        actual_count = c_info.get_instances_count(component)
+def exactly(count, component):
+    def validate(cluster_context, component, count):
+        actual_count = cluster_context.get_instances_count(component)
         if not actual_count == count:
             raise e.InvalidComponentCountException(
-                component, count, actual_count)
+                component.ui_name, count, actual_count)
+
     return ft.partial(validate, component=component, count=count)
 
 
-def require_component_vr(component):
-    def validate(instance, component):
-        if component not in instance.node_group.node_processes:
-            raise NodeRequiredServiceMissingException(component)
-    return ft.partial(validate, component=component)
-
-
-def require_of_listed_components(components):
-    def validate(instance, components):
-        if (False in (c in instance.node_group.node_processes
-                      for c in components)):
-            raise NodeRequiredServiceMissingException(components)
-    return ft.partial(validate, components=components)
-
-
-def each_node_has_component_vr(component):
-    def validate(cluster, component):
-        rc_vr = require_component_vr(component)
-        c_info = ci.ClusterInfo(cluster, None)
-        for i in c_info.get_instances():
-            rc_vr(i)
-    return ft.partial(validate, component=component)
-
-
-def each_node_has_at_least_one_of_listed_components(components):
-    def validate(cluster, components):
-        rc_vr = require_of_listed_components(components)
-        c_info = ci.ClusterInfo(cluster, None)
-        for i in c_info.get_instances():
-            rc_vr(i)
-    return ft.partial(validate, components=components)
-
-
-def node_dependency_satisfied_vr(component, dependency):
-    def validate(cluster, component, dependency):
-        c_info = ci.ClusterInfo(cluster, None)
-        for ng in c_info.get_node_groups(component):
-            if dependency not in ng.node_processes:
+def each_node_has(component):
+    def validate(cluster_context, component):
+        for node_group in cluster_context.cluster.node_groups:
+            if component.ui_name not in node_group.node_processes:
                 raise NodeRequiredServiceMissingException(
-                    component, dependency)
+                    component.ui_name, node_group.name)
+
+    return ft.partial(validate, component=component)
+
+
+def odd_count_of(component):
+    def validate(cluster_context, component):
+        actual_count = cluster_context.get_instances_count(component)
+        if actual_count > 1 and actual_count % 2 == 0:
+            raise EvenCountException(component.ui_name, actual_count)
+
+    return ft.partial(validate, component=component)
+
+
+def on_same_node(component, dependency):
+    def validate(cluster_context, component, dependency):
+        for ng in cluster_context.get_node_groups(component):
+            if dependency.ui_name not in ng.node_processes:
+                raise NodeRequiredServiceMissingException(
+                    dependency.ui_name, ng.name, component.ui_name)
+
     return ft.partial(validate, component=component, dependency=dependency)
 
 
+def depends_on(service, required_by=None):
+    def validate(cluster_context, service, required_by):
+        if not cluster_context.is_present(service):
+            raise e.RequiredServiceMissingException(
+                service.ui_name, required_by.ui_name)
+
+    return ft.partial(validate, service=service, required_by=required_by)
+
+
+def node_client_package_conflict_vr(components, client_component):
+    def validate(cluster_context, components):
+        for ng in cluster_context.get_node_groups():
+            for c in components:
+                nps = ng.node_processes
+                if c in nps and client_component in nps:
+                    raise NodeServiceConflictException(c, client_component)
+
+    return ft.partial(validate, components=components)
+
+
+def assert_present(service, cluster_context):
+    if not cluster_context.is_present(service):
+        raise e.RequiredServiceMissingException(service.ui_name)
+
+
 def create_fake_cluster(cluster, existing, additional):
-    w_node_groups = [w.Wrapper(ng, count=existing[ng.id])
-                     if ng.id in existing else ng
-                     for ng in cluster.node_groups]
-    return w.Wrapper(cluster, node_groups=w_node_groups)
+    counts = existing.copy()
+    counts.update(additional)
+
+    def update_ng(node_group):
+        ng_dict = node_group.to_dict()
+        count = counts[node_group.id]
+        ng_dict.update(dict(count=count))
+        return r.NodeGroupResource(ng_dict)
+
+    def need_upd(node_group):
+        return node_group.id in counts and counts[node_group.id] > 0
+
+    updated = map(update_ng, filter(need_upd, cluster.node_groups))
+    not_updated = filter(lambda ng:
+                         not need_upd(ng) and ng is not None,
+                         cluster.node_groups)
+    cluster_dict = cluster.to_dict()
+    cluster_dict.update({'node_groups': updated + not_updated})
+    fake = r.ClusterResource(cluster_dict)
+    return fake

sahara/plugins/mapr/util/wrapper.py

@@ -1,28 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-
-class Wrapper(object):
-    WRAPPED = '__wrapped__'
-
-    def __init__(self, wrapped, **kargs):
-        object.__getattribute__(self, '__dict__').update(kargs)
-        object.__setattr__(self, Wrapper.WRAPPED, wrapped)
-
-    def __getattribute__(self, name):
-        wrapped = object.__getattribute__(self, Wrapper.WRAPPED)
-        try:
-            return object.__getattribute__(self, name)
-        except AttributeError:
-            return object.__getattribute__(wrapped, name)

sahara/plugins/mapr/versions/base_cluster_configurer.py

@@ -1,167 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import abc
-import collections as c
-import os
-
-from oslo_log import log as logging
-import six
-
-from sahara.i18n import _LI
-import sahara.plugins.mapr.util.cluster_helper as ch
-import sahara.plugins.mapr.util.cluster_info as ci
-from sahara.plugins.mapr.util import config
-import sahara.plugins.mapr.util.config_file_utils as cfu
-import sahara.plugins.mapr.util.dict_utils as du
-import sahara.plugins.mapr.versions.version_handler_factory as vhf
-import sahara.plugins.utils as u
-import sahara.swift.swift_helper as sh
-
-
-LOG = logging.getLogger(__name__)
-
-
-@six.add_metaclass(abc.ABCMeta)
-class BaseClusterConfigurer(object):
-
-    def get_topology_configs(self):
-        result = c.defaultdict(dict)
-        if config.is_data_locality_enabled(self.cluster):
-            if self.is_node_awareness_enabled():
-                LOG.debug('Node group awareness is set to True')
-
-                file_name = '%s/core-site.xml' % self.get_hadoop_conf_dir()
-                service = self.plugin_spec.get_service_for_file_name(file_name)
-                data = {}
-                data['net.topology.impl'] = (
-                    'org.apache.hadoop.net.NetworkTopologyWithNodeGroup')
-                data['net.topology.nodegroup.aware'] = True
-                data['dfs.block.replicator.classname'] = (
-                    'org.apache.hadoop.hdfs.server.namenode'
-                    '.BlockPlacementPolicyWithNodeGroup')
-                result[service][file_name] = data
-
-                file_name = '%s/mapred-site.xml' % self.get_hadoop_conf_dir()
-                service = self.plugin_spec.get_service_for_file_name(file_name)
-                data = {}
-                data['mapred.jobtracker.nodegroup.aware'] = True
-                data['mapred.task.cache.levels'] = 3
-                result[service][file_name] = data
-
-                file_name = '/opt/mapr/conf/cldb.conf'
-                service = self.plugin_spec.get_service_for_file_name(file_name)
-                data = {}
-                data['net.topology.script.file.name'] = '/opt/mapr/topology.sh'
-                result[service][file_name] = data
-            else:
-                LOG.debug('Node group awareness is not implemented in YARN'
-                          ' yet so enable_hypervisor_awareness set to'
-                          ' False explicitly')
-        return result
-
-    def get_swift_configs(self):
-        mapper = lambda i: (i['name'], i['value'])
-        file_name = '%s/core-site.xml' % self.get_hadoop_conf_dir()
-        service = self.plugin_spec.get_service_for_file_name(file_name)
-        data = dict(map(mapper, sh.get_swift_configs()))
-        return {service: {file_name: data}}
-
-    def get_cluster_configs(self):
-        default_configs = self.cluster_info.get_default_configs()
-        user_configs = self.cluster_info.get_user_configs()
-        result = du.deep_update(default_configs, user_configs)
-        file_name = '/opt/mapr/conf/cldb.conf'
-        service = self.plugin_spec.get_service_for_file_name(file_name)
-        if file_name not in result[service]:
-            result[service][file_name] = {}
-        data = result[service][file_name]
-        data['cldb.zookeeper.servers'] = ch.get_zookeeper_nodes_ip_with_port(
-            self.cluster)
-        return result
-
-    def get_cluster_configs_template(self):
-        template = {}
-        du.deep_update(template, self.get_topology_configs(), False)
-        du.deep_update(template, self.get_swift_configs(), False)
-        du.deep_update(template, self.get_cluster_configs(), False)
-        return template
-
-    def get_node_group_configs(self, node_groups=None):
-        ng_configs = {}
-        if not node_groups:
-            node_groups = self.cluster.node_groups
-        cc_template = self.cluster_configs_template
-        p_spec = self.plugin_spec
-        for ng in node_groups:
-            ng_services = self.cluster_info.get_services(ng)
-            d_configs = dict(filter(lambda i: i[0] in ng_services,
-                                    six.iteritems(cc_template)))
-            u_configs = self.cluster_info.get_user_configs(ng)
-            nc_template = du.deep_update(d_configs, u_configs)
-            nc_data = {}
-            for files in nc_template.values():
-                for f_name, f_data in six.iteritems(files):
-                    if f_name:
-                        f_type = p_spec.get_file_type(f_name)
-                        f_content = cfu.to_file_content(f_data, f_type)
-                        if f_content:
-                            nc_data[f_name] = f_content
-            ng_configs[ng.id] = nc_data
-        return ng_configs
-
-    def configure_instances(self, instances=None):
-        if not instances:
-            instances = u.get_instances(self.cluster)
-        for i in instances:
-            i_files = self.node_group_files[i.node_group_id]
-            LOG.info(_LI('Writing files %(f_names)s to node %(node)s'),
-                     {'f_names': i_files.keys(), 'node': i.management_ip})
-            with i.remote() as r:
-                for f_name in i_files:
-                    r.execute_command('mkdir -p ' + os.path.dirname(f_name),
-                                      run_as_root=True)
-                    LOG.debug('Created dir: %s', os.path.dirname(f_name))
-                r.write_files_to(i_files, run_as_root=True)
-            config.post_configure_instance(i)
-
-    def __init__(self, cluster, plugin_spec):
-        h_version = cluster.hadoop_version
-        v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-        self.context = v_handler.get_context(cluster)
-        self.cluster = cluster
-        self.plugin_spec = plugin_spec
-        self.cluster_info = ci.ClusterInfo(self.cluster, self.plugin_spec)
-        self.cluster_configs_template = self.get_cluster_configs_template()
-        self.node_group_files = self.get_node_group_configs()
-
-    def configure(self, instances=None):
-        self.configure_topology_data(self.cluster)
-        self.configure_instances(instances)
-
-    @staticmethod
-    def _post_configure_instance(instance):
-        config.post_configure_instance(instance)
-
-    def configure_topology_data(self, cluster):
-        config.configure_topology_data(
-            cluster, self.is_node_awareness_enabled())
-
-    @abc.abstractmethod
-    def get_hadoop_conf_dir(self):
-        return
-
-    @abc.abstractmethod
-    def is_node_awareness_enabled(self):
-        return

sahara/plugins/mapr/versions/base_context.py

@@ -1,173 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import abc
-
-import six
-
-import sahara.plugins.mapr.util.config_utils as cu
-import sahara.plugins.mapr.util.names as n
-import sahara.plugins.utils as u
-
-
-@six.add_metaclass(abc.ABCMeta)
-class BaseContext(object):
-
-    hive_version_config = 'Hive Version'
-    oozie_version_config = 'Oozie Version'
-
-    @abc.abstractmethod
-    def get_cluster(self):
-        return
-
-    @abc.abstractmethod
-    def is_m7_enabled(self):
-        return
-
-    @abc.abstractmethod
-    def get_hadoop_version(self):
-        return
-
-    def get_linux_distro_version(self):
-        return self.get_zk_instances()[0].remote().execute_command(
-            'lsb_release -is', run_as_root=True)[1].rstrip()
-
-    def get_install_manager(self):
-        install_manager_map = {'Ubuntu': 'apt-get install --force-yes -y ',
-                               'CentOS': 'yum install -y ',
-                               'RedHatEnterpriseServer': 'yum install -y ',
-                               'Suse': 'zypper '}
-        return install_manager_map.get(self.get_linux_distro_version())
-
-    def get_install_manager_version_separator(self):
-        install_manager_map = {'Ubuntu': '=',
-                               'CentOS': '-',
-                               'RedHatEnterpriseServer': '-',
-                               'Suse': ':'}
-        return install_manager_map.get(self.get_linux_distro_version())
-
-    def get_fs_instances(self):
-        return u.get_instances(self.get_cluster(), n.FILE_SERVER)
-
-    def get_zk_instances(self):
-        return u.get_instances(self.get_cluster(), n.ZOOKEEPER)
-
-    def get_zk_uris(self):
-        mapper = lambda i: '%s' % i.management_ip
-        return map(mapper, self.get_zk_instances())
-
-    def get_cldb_instances(self):
-        return u.get_instances(self.get_cluster(), n.CLDB)
-
-    def get_cldb_uris(self):
-        mapper = lambda i: '%s' % i.management_ip
-        return map(mapper, self.get_cldb_instances())
-
-    def get_cldb_uri(self):
-        return 'maprfs:///'
-
-    def get_rm_instance(self):
-        return u.get_instance(self.get_cluster(), n.RESOURCE_MANAGER)
-
-    def get_rm_port(self):
-        return '8032'
-
-    def get_rm_uri(self):
-        port = self.get_rm_port()
-        ip = self.get_rm_instance().management_ip
-        return '%s:%s' % (ip, port) if port else ip
-
-    def get_hs_instance(self):
-        return u.get_instance(self.get_cluster(), n.HISTORY_SERVER)
-
-    def get_hs_uri(self):
-        return self.get_hs_instance().management_ip
-
-    def get_oozie_instance(self):
-        return u.get_instance(self.get_cluster(), n.OOZIE)
-
-    def get_hive_metastore_instances(self):
-        return u.get_instances(self.get_cluster(), n.HIVE_METASTORE)
-
-    def get_hive_server2_instances(self):
-        return u.get_instances(self.get_cluster(), n.HIVE_SERVER2)
-
-    def get_oozie_uri(self):
-        ip = self.get_oozie_instance().management_ip
-        return 'http://%s:11000/oozie' % ip
-
-    def get_roles_str(self, comp_list):
-        component_list_str = 'mapr-core ' + ' '.join(['mapr-' + role + ' '
-                                                      for role in comp_list])
-        if 'HBase-Client' in comp_list:
-            component_list_str = component_list_str.replace(
-                'HBase-Client', 'hbase')
-        if 'Oozie' in comp_list:
-            component_list_str = component_list_str.replace(
-                'Oozie', 'oozie' + self.get_oozie_version())
-        if 'HiveMetastore' in comp_list:
-            component_list_str = component_list_str.replace(
-                'HiveMetastore', 'HiveMetastore' + self.get_hive_version())
-        if 'HiveServer2' in comp_list:
-            component_list_str = component_list_str.replace(
-                'HiveServer2', 'HiveServer2' + self.get_hive_version())
-
-        return component_list_str.lower()
-
-    def user_exists(self):
-        return
-
-    def get_plain_instances(self):
-        fs = self.get_fs_instances()
-        zk = self.get_zk_instances()
-        cldb = self.get_cldb_instances()
-        zk_fs_cldb = zk + fs + cldb
-        instances = u.get_instances(self.get_cluster())
-        return [i for i in instances if i not in zk_fs_cldb]
-
-    def get_configure_command(self):
-        kargs = {'path': self.get_configure_sh_path(),
-                 'cldb_nodes': ','.join(self.get_cldb_uris()),
-                 'zk_nodes': ','.join(self.get_cldb_uris()),
-                 'rm_node': self.get_rm_uri(),
-                 'hs_node': self.get_hs_uri()}
-        command = ('{path} -C {cldb_nodes} -Z {zk_nodes} -RM {rm_node}'
-                   ' -HS {hs_node} -f').format(**kargs)
-        if self.is_m7_enabled():
-            command += ' -M7'
-        if not self.user_exists():
-            command += ' --create-user'
-        return command
-
-    def get_fs_wait_command(self):
-        return '/tmp/waiting_script.sh'
-
-    def get_disk_setup_command(self):
-        return '/opt/mapr/server/disksetup -F /tmp/disk.list'
-
-    def get_configure_sh_path(self):
-        return '/opt/mapr/server/configure.sh'
-
-    def get_oozie_version(self):
-        configs = cu.get_cluster_configs(self.get_cluster())
-        return (self.get_install_manager_version_separator()
-                + configs[n.OOZIE][BaseContext.oozie_version_config] + '*')
-
-    def get_hive_version(self):
-        configs = cu.get_cluster_configs(self.get_cluster())
-        return (self.get_install_manager_version_separator()
-                + configs[n.HIVE][BaseContext.hive_version_config] + "*")
-
-    def get_scripts(self):
-        return

sahara/plugins/mapr/versions/base_version_handler.py

@@ -1,115 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import abc
-
-import six
-
-import sahara.plugins.mapr.util.plugin_spec as ps
-import sahara.plugins.mapr.util.start_helper as sh
-import sahara.plugins.mapr.util.validation_utils as vu
-import sahara.plugins.mapr.versions.edp_engine as edp
-
-
-@six.add_metaclass(abc.ABCMeta)
-class BaseVersionHandler(object):
-
-    def __init__(self):
-        self.plugin_spec = ps.PluginSpec(self.get_plugin_spec_path())
-
-    def get_plugin_spec(self):
-        return self.plugin_spec
-
-    def get_configs(self):
-        return self.plugin_spec.get_configs()
-
-    def get_node_processes(self):
-        return self.plugin_spec.service_node_process_map
-
-    def get_disk_setup_script(self):
-        return 'plugins/mapr/util/resources/create_disk_list_file.sh'
-
-    def validate(self, cluster):
-        rules = self.get_cluster_validation_rules(cluster)
-        for rule in rules:
-            rule(cluster)
-
-    def validate_scaling(self, cluster, existing, additional):
-        fake_cluster = vu.create_fake_cluster(cluster, existing, additional)
-        self.validate(fake_cluster)
-
-    def validate_edp(self, cluster):
-        for rule in self.get_edp_validation_rules():
-            rule(cluster)
-
-    def configure_cluster(self, cluster):
-        sh.install_roles(cluster, self.get_context(cluster))
-        self.get_cluster_configurer(cluster, self.plugin_spec).configure()
-
-    def get_name_node_uri(self, cluster):
-        return self.get_context(cluster).get_cldb_uri()
-
-    def get_oozie_server(self, cluster):
-        return self.get_context(cluster).get_oozie_instance()
-
-    def get_oozie_server_uri(self, cluster):
-        return self.get_context(cluster).get_oozie_uri()
-
-    def get_resource_manager_uri(self, cluster):
-        return self.get_context(cluster).get_rm_uri()
-
-    def get_home_dir(self):
-        return ('plugins/mapr/versions/v%s'
-                % self.get_plugin_version().replace('.', '_').lower())
-
-    def get_plugin_spec_path(self):
-        return '%s/resources/plugin_spec.json' % self.get_home_dir()
-
-    def get_edp_engine(self, cluster, job_type):
-        if job_type in edp.MapROozieJobEngine.get_supported_job_types():
-            return edp.MapROozieJobEngine(cluster)
-        return None
-
-    # Astract methods
-
-    @abc.abstractmethod
-    def get_plugin_version(self):
-        return
-
-    @abc.abstractmethod
-    def get_cluster_validation_rules(self, cluster):
-        return
-
-    @abc.abstractmethod
-    def get_scaling_validation_rules(self):
-        return
-
-    def get_waiting_script(self):
-        return
-
-    @abc.abstractmethod
-    def get_edp_validation_rules(self):
-        return
-
-    @abc.abstractmethod
-    def get_cluster_configurer(self, cluster, plugin_spec):
-        return
-
-    @abc.abstractmethod
-    def get_configure_sh_string(self, cluster):
-        return
-
-    @abc.abstractmethod
-    def get_context(self, cluster):
-        return

sahara/plugins/mapr/versions/edp_engine.py

@@ -1,76 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import sahara.plugins.mapr.util.maprfs_helper as mfs
-import sahara.plugins.mapr.versions.version_handler_factory as vhf
-import sahara.service.edp.binary_retrievers.dispatch as d
-import sahara.service.edp.oozie.engine as e
-
-
-class MapROozieJobEngine(e.OozieJobEngine):
-
-    def get_hdfs_user(self):
-        return 'mapr'
-
-    def create_hdfs_dir(self, remote, dir_name):
-        mfs.create_maprfs_dir(remote, dir_name, self.get_hdfs_user())
-
-    def _upload_workflow_file(self, where, job_dir, wf_xml, hdfs_user):
-        f_name = 'workflow.xml'
-        with where.remote() as r:
-            mfs.put_file_to_maprfs(r, wf_xml, f_name, job_dir, hdfs_user)
-        return job_dir + '/' + f_name
-
-    def _upload_job_files_to_hdfs(self, where, job_dir, job):
-        mains = job.mains or []
-        libs = job.libs or []
-        uploaded_paths = []
-        hdfs_user = self.get_hdfs_user()
-        with where.remote() as r:
-            for m in mains:
-                raw_data = d.get_raw_binary(m)
-                mfs.put_file_to_maprfs(r, raw_data, m.name, job_dir, hdfs_user)
-                uploaded_paths.append(job_dir + '/' + m.name)
-            for l in libs:
-                raw_data = d.get_raw_binary(l)
-                lib_dir = job_dir + '/lib/'
-                self.create_hdfs_dir(r, lib_dir)
-                mfs.put_file_to_maprfs(r, raw_data, l.name, lib_dir,
-                                       hdfs_user)
-                uploaded_paths.append(lib_dir + l.name)
-        return uploaded_paths
-
-    def get_name_node_uri(self, cluster):
-        h_version = cluster.hadoop_version
-        v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-        uri = v_handler.get_name_node_uri(cluster)
-        return uri
-
-    def get_oozie_server_uri(self, cluster):
-        h_version = cluster.hadoop_version
-        v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-        uri = v_handler.get_oozie_server_uri(cluster)
-        return uri
-
-    def get_oozie_server(self, cluster):
-        h_version = cluster.hadoop_version
-        v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-        server = v_handler.get_oozie_server(cluster)
-        return server
-
-    def get_resource_manager_uri(self, cluster):
-        h_version = cluster.hadoop_version
-        v_handler = vhf.VersionHandlerFactory.get().get_handler(h_version)
-        uri = v_handler.get_resource_manager_uri(cluster)
-        return uri

sahara/plugins/mapr/versions/v3_1_1/cluster_configurer.py

@@ -1,24 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-import sahara.plugins.mapr.versions.base_cluster_configurer as bcc
-
-
-class ClusterConfigurer(bcc.BaseClusterConfigurer):
-
-    def get_hadoop_conf_dir(self):
-        return '/opt/mapr/hadoop/hadoop-0.20.2/conf'
-
-    def is_node_awareness_enabled(self):
-        return True

sahara/plugins/mapr/versions/v3_1_1/context.py

@@ -0,0 +1,81 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import sahara.plugins.mapr.base.base_cluster_context as bc
+import sahara.plugins.mapr.services.mapreduce.mapreduce as mr
+import sahara.plugins.mapr.services.maprfs.maprfs as maprfs
+from sahara.utils import files as f
+
+
+class Context(bc.BaseClusterContext):
+    UBUNTU_MAPR_BASE_REPO = ('http://package.mapr.com/releases/v3.1.1/ubuntu/ '
+                             'mapr optional')
+    UBUNTU_MAPR_ECOSYSTEM_REPO = ('http://package.mapr.com/releases/'
+                                  'ecosystem/ubuntu binary/')
+    CENTOS_MAPR_BASE_REPO = 'http://package.mapr.com/releases/v3.1.1/redhat/'
+    CENTOS_MAPR_ECOSYSTEM_REPO = ('http://package.mapr.com/releases/'
+                                  'ecosystem/redhat')
+
+    def __init__(self, cluster, version_handler, added=None, removed=None):
+        super(Context, self).__init__(cluster, version_handler, added, removed)
+        self._hadoop_version = mr.MapReduce().version
+        self._hadoop_lib = None
+        self._hadoop_conf = None
+        self._resource_manager_uri = 'maprfs:///'
+        self._cluster_mode = None
+        self._node_aware = False
+
+    @property
+    def hadoop_lib(self):
+        if not self._hadoop_lib:
+            f = '%(hadoop_home)s/lib'
+            args = {
+                'hadoop_home': self.hadoop_home,
+            }
+            self._hadoop_lib = f % args
+        return self._hadoop_lib
+
+    @property
+    def hadoop_conf(self):
+        if not self._hadoop_conf:
+            f = '%(hadoop_home)s/conf'
+            args = {
+                'hadoop_home': self.hadoop_home,
+            }
+            self._hadoop_conf = f % args
+        return self._hadoop_conf
+
+    @property
+    def resource_manager_uri(self):
+        return self._resource_manager_uri
+
+    @property
+    def mapr_db(self):
+        if self._mapr_db is None:
+            mapr_db = maprfs.MapRFS.ENABLE_MAPR_DB_CONFIG
+            mapr_db = self._get_cluster_config_value(mapr_db)
+            self._mapr_db = '-M7' if mapr_db else ''
+        return self._mapr_db
+
+    def get_install_repo_script_data(self):
+        script_template = 'plugins/mapr/resources/add_mapr_repo.sh'
+        script_template = f.get_file_text(script_template)
+        args = {
+            "ubuntu_mapr_base_repo": Context.UBUNTU_MAPR_BASE_REPO,
+            "ubuntu_mapr_ecosystem_repo": Context.UBUNTU_MAPR_ECOSYSTEM_REPO,
+            "centos_mapr_repo": Context.CENTOS_MAPR_BASE_REPO,
+            "centos_mapr_ecosystem_repo": Context.CENTOS_MAPR_ECOSYSTEM_REPO,
+        }
+        return script_template % args

sahara/plugins/mapr/versions/v3_1_1/edp_engine.py

@@ -0,0 +1,22 @@
+# Copyright (c) 2015, MapR Technologies
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import sahara.plugins.mapr.base.base_edp_engine as edp
+import sahara.plugins.mapr.util.maprfs_helper as mfs
+
+
+class MapR3OozieJobEngine(edp.MapROozieJobEngine):
+    def create_hdfs_dir(self, remote, dir_name):
+        mfs.create_maprfs3_dir(remote, dir_name, self.get_hdfs_user())

sahara/plugins/mapr/versions/v3_1_1/resources/default/core-site.xml

@@ -1,57 +0,0 @@
-<?xml version="1.0"?>
-<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
-
-<!-- Put site-specific property overrides in this file. -->
-
-<!-- 
-  Replace 'maprfs' by 'hdfs' to use HDFS.
-  Replace localhost by an ip address for namenode/cldb.
--->
-
-<configuration>
-
-<property>
-  <name>fs.default.name</name>
-  <value>maprfs:///</value>
-  <description>The name of the default file system.  A URI whose
-  scheme and authority determine the FileSystem implementation.  The
-  uri's scheme determines the config property (fs.SCHEME.impl) naming
-  the FileSystem implementation class.  The uri's authority is used to
-  determine the host, port, etc. for a filesystem.</description>
-</property>
-
-<property>
-  <name>fs.mapr.working.dir</name>
-  <value>/user/$USERNAME/</value>
-  <description>The default directory to be used with relative paths.
-  Note that $USERNAME is NOT an enviromental variable, but just a placeholder
-  to indicate that it will be expanded to the corresponding username.
-  Other example default directories could be "/", "/home/$USERNAME", "/$USERNAME" etc.
-  </description>
-</property>
-
-<property>
-  <name>fs.s3n.block.size</name>
-  <value>33554432</value>
-</property>
-<property>
-  <name>fs.s3n.blockSize</name>
-  <value>33554432</value>
-</property>
-<property>
-  <name>fs.s3.block.size</name>
-  <value>33554432</value>
-</property>
-<property>
-  <name>fs.s3.blockSize</name>
-  <value>33554432</value>
-</property>
-<property>
-  <name>hadoop.proxyuser.mapr.groups</name>
-  <value>*</value>
-</property>
-<property>
-  <name>hadoop.proxyuser.mapr.hosts</name>
-  <value>*</value>
-</property>
-</configuration>

sahara/plugins/mapr/versions/v3_1_1/resources/default/exports

@@ -1,30 +0,0 @@
-# Sample Exports file
-
-# for /mapr exports
-# <Path> <exports_control>
-
-#access_control -> order is specific to default
-# list the hosts before specifying a default for all
-#  a.b.c.d,1.2.3.4(ro) d.e.f.g(ro) (rw)
-#  enforces ro for a.b.c.d & 1.2.3.4 and everybody else is rw
-
-# special path to export clusters in mapr-clusters.conf. To disable exporting,
-# comment it out. to restrict access use the exports_control
-# 
-/mapr (rw)
-
-#to export only certain clusters, comment out the /mapr & uncomment.
-# Note: this will cause /mapr to be unexported
-#/mapr/clustername (rw)
-
-#to export /mapr only to certain hosts (using exports_control)
-#/mapr a.b.c.d(rw),e.f.g.h(ro)
-
-# export /mapr/cluster1 rw to a.b.c.d & ro to e.f.g.h (denied for others)
-#/mapr/cluster1 a.b.c.d(rw),e.f.g.h(ro)
-
-# export /mapr/cluster2 only to e.f.g.h (denied for others)
-#/mapr/cluster2 e.f.g.h(rw)
-
-# export /mapr/cluster3 rw to e.f.g.h & ro to others
-#/mapr/cluster2 e.f.g.h(rw) (ro)

sahara/plugins/mapr/versions/v3_1_1/resources/default/hadoop-metrics.properties

@@ -1,41 +0,0 @@
-#CLDB metrics config - Pick one out of null,file or ganglia.
-#Uncomment all properties in null, file or ganglia context, to send cldb metrics to that context
-
-# Configuration of the "cldb" context for null
-#cldb.class=org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
-#cldb.period=10
-
-# Configuration of the "cldb" context for file
-#cldb.class=org.apache.hadoop.metrics.file.FileContext
-#cldb.period=60
-#cldb.fileName=/tmp/cldbmetrics.log
-
-# Configuration of the "cldb" context for ganglia
-cldb.class=com.mapr.fs.cldb.counters.MapRGangliaContext31
-cldb.period=10
-cldb.servers=localhost:8649
-cldb.spoof=1
-
-#FileServer metrics config - Pick one out of null,file or ganglia.
-#Uncomment all properties in null, file or ganglia context, to send fileserver metrics to that context
-
-# Configuration of the "fileserver" context for null
-#fileserver.class=org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
-#fileserver.period=10
-
-# Configuration of the "fileserver" context for file
-#fileserver.class=org.apache.hadoop.metrics.file.FileContext
-#fileserver.period=60
-#fileserver.fileName=/tmp/fsmetrics.log
-
-# Configuration of the "fileserver" context for ganglia
-fileserver.class=com.mapr.fs.cldb.counters.MapRGangliaContext31
-fileserver.period=37
-fileserver.servers=localhost:8649
-fileserver.spoof=1
-
-maprmepredvariant.class=com.mapr.job.mngmnt.hadoop.metrics.MaprRPCContext
-maprmepredvariant.period=10
-maprmapred.class=com.mapr.job.mngmnt.hadoop.metrics.MaprRPCContextFinal
-maprmapred.period=10
-

sahara/plugins/mapr/versions/v3_1_1/resources/default/mfs.conf

@@ -1,16 +0,0 @@
-#mfs.num.compress.threads=1
-#mfs.max.aio.events=5000
-#mfs.disable.periodic.flush=0
-#mfs.io.disk.timeout=60
-#mfs.server.ip=127.0.0.1
-#mfs.max.resync.count=16
-#mfs.max.restore.count=16
-#mfs.ignore.container.delete=0
-#mfs.ignore.readdir.pattern=0
-mfs.server.port=5660
-#mfs.subnets.whitelist=127.0.0.1/8
-#UNCOMMENT this line to disable bulk writes
-#mfs.bulk.writes.enabled=0
-#UNCOMMENT this to set the topology of this node
-#For e.g., to set this node's topology to /compute-only uncomment the below line
-#mfs.network.location=/compute-only

sahara/plugins/mapr/versions/v3_1_1/resources/default/nfsserver.conf

@@ -1,43 +0,0 @@
-# Configuration for nfsserver
-
-#
-# The system defaults are in the comments
-#
-
-# Default compression is true
-#Compression = true
-
-# chunksize is 64M
-#ChunkSize = 67108864
-
-# Number of threads for compression/decompression: default=2
-#CompThreads = 2
-
-#Mount point for the ramfs file for mmap
-#RamfsMntDir = /ramfs/mapr
-
-# Size of the ramfile to use (percent of total physical memory) default=0.25
-#    0: disables the use of ramfs
-#RamfsSize = 0.25
-
-# Loglevel = DEBUG | INFO | WARN | ERROR | CRITICAL | OFF 
-#Loglevel = INFO
-
-#Duplicate Request cache size & timeout in seconds
-#DrCacheSize = 20480
-#DrCacheTimeout = 62
-# To keep the drcache lean, we only cache the response if the
-# time we took to populate is greater than 50% of DrCacheTimeout.
-# Set it to 0 to disable this optimization, Note that the DrCacheSize or
-# DrCacheTimeout will also need to be changed. Ex: if the nfsserver supports
-# 10,000 ops/sec (modification ops): then DrCacheSize will need to change
-# to: 10,000*DrCacheTimeout = 620,000
-#DRCacheTimeOutOpt = 0.5
-
-#NFS fileid, by default the fileid is of 32 bit size.
-#Set Use32BitFileId=0 to use 64 bit fileid (inode number)
-#Use32BitFileId=0
-
-#Auto refresh exports time interval in mins.
-#default is 0, means there is no auto refresh.
-#AutoRefreshExportsTimeInterval = 5

sahara/plugins/mapr/versions/v3_1_1/resources/plugin_spec.json

@@ -1,203 +0,0 @@
-{
-	"files": [
-		{
-			"remote": null,
-			"type": null,
-			"configs": {
-				"required": {
-					"cluster": [
-						{
-							"name": "Enable MapR-DB",
-							"config_type": "bool",
-							"default_value": false,
-							"priority": 1
-						}
-					]
-				}
-			}
-		},
-		{
-			"remote": "/opt/mapr/conf/cldb.conf",
-			"local": "default/cldb.conf",
-			"type": "properties"
-		},
-		{
-			"remote": "/opt/mapr/conf/hadoop-metrics.properties",
-			"local": "default/hadoop-metrics.properties",
-			"type": "properties"
-		},
-		{
-			"remote": "/opt/mapr/conf/mfs.conf",
-			"local": "default/mfs.conf",
-			"type": "properties"
-		},
-		{
-			"remote": "/opt/mapr/conf/nfsserver.conf",
-			"local": "default/nfsserver.conf",
-			"type": "properties"
-		},
-		{
-			"remote": "/opt/mapr/conf/exports",
-			"local": "default/exports",
-			"type": "raw"
-		},
-		{
-			"remote": "/opt/mapr/hadoop/hadoop-0.20.2/conf/core-site.xml",
-			"local": "default/core-site.xml",
-			"type": "xml",
-			"configs": {
-				"optional": {
-					"cluster": [
-						{
-							"name": "fs.swift.impl",
-							"default_value": "org.apache.hadoop.fs.swift.snative.SwiftNativeFileSystem"
-						},
-						{
-							"name": "fs.swift.connect.timeout",
-							"config_type": "int",
-							"default_value": 15000
-						},
-						{
-							"name": "fs.swift.socket.timeout",
-							"config_type": "int",
-							"default_value": 60000
-						},
-						{
-							"name": "fs.swift.connect.retry.count",
-							"config_type": "int",
-							"default_value": 3
-						},
-						{
-							"name": "fs.swift.connect.throttle.delay",
-							"config_type": "int",
-							"default_value": 0
-						},
-						{
-							"name": "fs.swift.blocksize",
-							"config_type": "int",
-							"default_value": 32768
-						},
-						{
-							"name": "fs.swift.partsize",
-							"config_type": "int",
-							"default_value": 4718592
-						},
-						{
-							"name": "fs.swift.requestsize",
-							"config_type": "int",
-							"default_value": 64
-						},
-						{
-							"name": "fs.swift.service.sahara.public",
-							"config_type": "bool",
-							"default_value": true
-						},
-						{
-							"name": "fs.swift.service.sahara.http.port",
-							"config_type": "int",
-							"default_value": 8080
-						},
-						{
-							"name": "fs.swift.service.sahara.https.port",
-							"config_type": "int",
-							"default_value": 443
-						},
-						{
-							"name": "fs.swift.service.sahara.auth.endpoint.prefix",
-							"default_value": "/endpoints/AUTH_"
-						}
-					]
-				}
-			}
-		},
-		{
-			"remote": "/opt/mapr/hadoop/hadoop-0.20.2/conf/mapred-site.xml",
-			"type": "xml"
-		}
-	],
-	"services": [
-		{
-			"name": "general",
-			"files": [
-				null
-			]
-		},
-		{
-			"name": "Management",
-			"node_processes": [
-				"ZooKeeper",
-				"Webserver",
-				"MapR-Client",
-				"Metrics"
-			]
-		},
-		{
-			"name": "MapReduce",
-			"node_processes": [
-				"TaskTracker",
-				"JobTracker"
-			],
-			"files": [
-				"/opt/mapr/hadoop/hadoop-0.20.2/conf/mapred-site.xml"
-			]
-		},
-		{
-			"name": "MapR FS",
-			"node_processes": [
-				"CLDB",
-				"FileServer",
-				"NFS"
-			],
-			"files": [
-				"/opt/mapr/conf/cldb.conf",
-				"/opt/mapr/conf/hadoop-metrics.properties",
-				"/opt/mapr/conf/mfs.conf",
-				"/opt/mapr/conf/nfsserver.conf",
-				"/opt/mapr/conf/exports",
-				"/opt/mapr/hadoop/hadoop-0.20.2/conf/core-site.xml"
-			]
-		},
-		{
-			"name": "HBase",
-			"node_processes": [
-				"HBase-Master",
-				"HBase-RegionServer",
-				"HBase-Client"
-			]
-		},
-		{
-			"name": "Hive",
-			"node_processes": [
-				"HiveMetastore",
-				"HiveServer2"
-			],
-			"versions": [
-				"0.13",
-				"0.12"
-			]
-		},
-		{
-			"name": "Oozie",
-			"node_processes": [
-				"Oozie"
-			],
-			"versions": [
-				"4.0.1",
-				"4.0.0",
-				"3.3.2"
-			]
-		},
-		{
-			"name": "Pig",
-			"node_processes": [
-				"Pig"
-			]
-		},
-		{
-			"name": "Mahout",
-			"node_processes": [
-				"Mahout"
-			]
-		}
-	]
-}

sahara/plugins/mapr/versions/v3_1_1/start_utils.py

@@ -1,34 +0,0 @@
-# Copyright (c) 2014, MapR Technologies
-#
-#  Licensed under the Apache License, Version 2.0 (the "License"); you may
-#  not use this file except in compliance with the License. You may obtain
-#  a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  License for the specific language governing permissions and limitations
-#  under the License.
-
-from sahara.plugins.mapr.util import cluster_helper as clh_utils
-from sahara.plugins.mapr.util import start_helper as start_helper
-import sahara.plugins.utils as utils
-
-
-def exec_configure_sh_on_cluster(cluster):
-    inst_list = utils.get_instances(cluster)
-    for n in inst_list:
-        exec_configure_sh_on_instance(cluster, n)
-
-
-def exec_configure_sh_on_instance(cluster, instance):
-    script_string = ('/opt/mapr/server/configure.sh'
-                     + ' -C ' + clh_utils.get_cldb_nodes_ip(cluster)
-                     + ' -Z ' + clh_utils.get_zookeeper_nodes_ip(cluster)
-                     + ' -f')
-    if not start_helper.check_if_mapr_user_exist(instance):
-        script_string = script_string + ' --create-user'
-
-    instance.remote().execute_command(script_string, True)