309 lines
11 KiB
Python
309 lines
11 KiB
Python
# Copyright (c) 2014 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import six
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from sahara.openstack.common import log as logging
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from sahara.plugins.vanilla import utils as vu
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from sahara.plugins.vanilla.v2_3_0 import config_helper as c_helper
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from sahara.plugins.vanilla.v2_3_0 import oozie_helper as o_helper
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from sahara.swift import swift_helper as swift
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from sahara.topology import topology_helper as th
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from sahara.utils import files as f
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from sahara.utils import xmlutils as x
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LOG = logging.getLogger(__name__)
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HADOOP_CONF_DIR = '/opt/hadoop/etc/hadoop'
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OOZIE_CONF_DIR = '/opt/oozie/conf'
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HADOOP_USER = 'hadoop'
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HADOOP_GROUP = 'hadoop'
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def configure_cluster(cluster):
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LOG.debug("Configuring cluster \"%s\"", cluster.name)
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instances = []
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for node_group in cluster.node_groups:
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for instance in node_group.instances:
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instances.append(instance)
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configure_instances(instances)
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configure_topology_data(cluster)
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def configure_instances(instances):
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for instance in instances:
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_provisioning_configs(instance)
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_post_configuration(instance)
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def _provisioning_configs(instance):
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xmls, env = _generate_configs(instance.node_group)
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_push_xml_configs(instance, xmls)
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_push_env_configs(instance, env)
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def _generate_configs(node_group):
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user_xml_confs, user_env_confs = _get_user_configs(node_group)
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hadoop_xml_confs, default_env_confs = _get_hadoop_configs(node_group)
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xml_confs = _merge_configs(user_xml_confs, hadoop_xml_confs)
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env_confs = _merge_configs(default_env_confs, user_env_confs)
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return xml_confs, env_confs
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def _get_hadoop_configs(node_group):
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cluster = node_group.cluster
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nn_hostname = vu.get_instance_hostname(vu.get_namenode(cluster))
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dirs = _get_hadoop_dirs(node_group)
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confs = {
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'Hadoop': {
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'fs.defaultFS': 'hdfs://%s:9000' % nn_hostname
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},
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'HDFS': {
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'dfs.namenode.name.dir': ','.join(dirs['hadoop_name_dirs']),
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'dfs.namenode.data.dir': ','.join(dirs['hadoop_data_dirs']),
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'dfs.hosts': '%s/dn-include' % HADOOP_CONF_DIR,
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'dfs.hosts.exclude': '%s/dn-exclude' % HADOOP_CONF_DIR
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}
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}
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res_hostname = vu.get_instance_hostname(vu.get_resourcemanager(cluster))
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if res_hostname:
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confs['YARN'] = {
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'yarn.nodemanager.aux-services': 'mapreduce_shuffle',
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'yarn.resourcemanager.hostname': '%s' % res_hostname,
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'yarn.resourcemanager.nodes.include-path': '%s/nm-include' % (
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HADOOP_CONF_DIR),
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'yarn.resourcemanager.nodes.exclude-path': '%s/nm-exclude' % (
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HADOOP_CONF_DIR)
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}
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confs['MapReduce'] = {
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'mapreduce.framework.name': 'yarn'
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}
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hs_hostname = vu.get_instance_hostname(vu.get_historyserver(cluster))
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if hs_hostname:
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confs['MapReduce']['mapreduce.jobhistory.address'] = (
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"%s:10020" % hs_hostname)
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oozie = vu.get_oozie(cluster)
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if oozie:
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hadoop_cfg = {
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'hadoop.proxyuser.hadoop.hosts': '*',
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'hadoop.proxyuser.hadoop.groups': 'hadoop'
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}
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confs['Hadoop'].update(hadoop_cfg)
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oozie_cfg = o_helper.get_oozie_required_xml_configs(HADOOP_CONF_DIR)
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if c_helper.is_mysql_enabled(cluster):
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oozie_cfg.update(o_helper.get_oozie_mysql_configs())
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confs['JobFlow'] = oozie_cfg
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if c_helper.get_config_value(c_helper.ENABLE_SWIFT.applicable_target,
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c_helper.ENABLE_SWIFT.name, cluster):
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swift_configs = {}
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for config in swift.get_swift_configs():
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swift_configs[config['name']] = config['value']
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confs['Hadoop'].update(swift_configs)
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if c_helper.is_data_locality_enabled(cluster):
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confs['Hadoop'].update(th.TOPOLOGY_CONFIG)
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confs['Hadoop'].update({"topology.script.file.name":
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HADOOP_CONF_DIR + "/topology.sh"})
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return confs, c_helper.get_env_configs()
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def _get_user_configs(node_group):
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ng_xml_confs, ng_env_confs = _separate_configs(node_group.node_configs)
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cl_xml_confs, cl_env_confs = _separate_configs(
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node_group.cluster.cluster_configs)
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xml_confs = _merge_configs(cl_xml_confs, ng_xml_confs)
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env_confs = _merge_configs(cl_env_confs, ng_env_confs)
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return xml_confs, env_confs
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def _separate_configs(configs):
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all_env_configs = c_helper.get_env_configs()
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xml_configs = {}
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env_configs = {}
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for service, params in six.iteritems(configs):
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xml_configs[service] = {}
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env_configs[service] = {}
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for param, value in six.iteritems(params):
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if all_env_configs.get(service, {}).get(param):
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if not env_configs.get(service):
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env_configs[service] = {}
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env_configs[service][param] = value
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else:
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if not xml_configs.get(service):
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xml_configs[service] = {}
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xml_configs[service][param] = value
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return xml_configs, env_configs
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def _generate_xml(configs):
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xml_confs = {}
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for service, confs in six.iteritems(configs):
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xml_confs[service] = x.create_hadoop_xml(confs)
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return xml_confs
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def _push_env_configs(instance, configs):
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nn_heap = configs['HDFS']['NameNode Heap Size']
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snn_heap = configs['HDFS']['SecondaryNameNode Heap Size']
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dn_heap = configs['HDFS']['DataNode Heap Size']
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rm_heap = configs['YARN']['ResourceManager Heap Size']
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nm_heap = configs['YARN']['NodeManager Heap Size']
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hs_heap = configs['MapReduce']['JobHistoryServer Heap Size']
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with instance.remote() as r:
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r.replace_remote_string(
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'%s/hadoop-env.sh' % HADOOP_CONF_DIR,
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'export HADOOP_NAMENODE_OPTS=.*',
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'export HADOOP_NAMENODE_OPTS="-Xmx%dm"' % nn_heap)
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r.replace_remote_string(
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'%s/hadoop-env.sh' % HADOOP_CONF_DIR,
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'export HADOOP_SECONDARYNAMENODE_OPTS=.*',
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'export HADOOP_SECONDARYNAMENODE_OPTS="-Xmx%dm"' % snn_heap)
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r.replace_remote_string(
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'%s/hadoop-env.sh' % HADOOP_CONF_DIR,
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'export HADOOP_DATANODE_OPTS=.*',
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'export HADOOP_DATANODE_OPTS="-Xmx%dm"' % dn_heap)
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r.replace_remote_string(
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'%s/yarn-env.sh' % HADOOP_CONF_DIR,
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'\\#export YARN_RESOURCEMANAGER_HEAPSIZE=.*',
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'export YARN_RESOURCEMANAGER_HEAPSIZE=%d' % rm_heap)
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r.replace_remote_string(
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'%s/yarn-env.sh' % HADOOP_CONF_DIR,
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'\\#export YARN_NODEMANAGER_HEAPSIZE=.*',
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'export YARN_NODEMANAGER_HEAPSIZE=%d' % nm_heap)
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r.replace_remote_string(
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'%s/mapred-env.sh' % HADOOP_CONF_DIR,
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'export HADOOP_JOB_HISTORYSERVER_HEAPSIZE=.*',
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'export HADOOP_JOB_HISTORYSERVER_HEAPSIZE=%d' % hs_heap)
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def _push_xml_configs(instance, configs):
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xmls = _generate_xml(configs)
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service_to_conf_map = {
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'Hadoop': '%s/core-site.xml' % HADOOP_CONF_DIR,
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'HDFS': '%s/hdfs-site.xml' % HADOOP_CONF_DIR,
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'YARN': '%s/yarn-site.xml' % HADOOP_CONF_DIR,
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'MapReduce': '%s/mapred-site.xml' % HADOOP_CONF_DIR,
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'JobFlow': '%s/oozie-site.xml' % OOZIE_CONF_DIR
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}
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xml_confs = {}
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for service, confs in six.iteritems(xmls):
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if service not in service_to_conf_map.keys():
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continue
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xml_confs[service_to_conf_map[service]] = confs
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_push_configs_to_instance(instance, xml_confs)
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def _push_configs_to_instance(instance, configs):
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LOG.debug("Push configs to instance \"%s\"", instance.instance_name)
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with instance.remote() as r:
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for fl, data in six.iteritems(configs):
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r.write_file_to(fl, data, run_as_root=True)
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def _post_configuration(instance):
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node_group = instance.node_group
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dirs = _get_hadoop_dirs(node_group)
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args = {
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'hadoop_user': HADOOP_USER,
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'hadoop_group': HADOOP_GROUP,
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'hadoop_conf_dir': HADOOP_CONF_DIR,
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'oozie_conf_dir': OOZIE_CONF_DIR,
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'hadoop_name_dirs': " ".join(dirs['hadoop_name_dirs']),
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'hadoop_data_dirs': " ".join(dirs['hadoop_data_dirs']),
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'hadoop_log_dir': dirs['hadoop_log_dir'],
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'hadoop_secure_dn_log_dir': dirs['hadoop_secure_dn_log_dir'],
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'yarn_log_dir': dirs['yarn_log_dir']
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}
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post_conf_script = f.get_file_text(
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'plugins/vanilla/v2_3_0/resources/post_conf.template')
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post_conf_script = post_conf_script.format(**args)
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with instance.remote() as r:
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r.write_file_to('/tmp/post_conf.sh', post_conf_script)
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r.execute_command('chmod +x /tmp/post_conf.sh')
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r.execute_command('sudo /tmp/post_conf.sh')
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if c_helper.is_data_locality_enabled(instance.node_group.cluster):
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t_script = HADOOP_CONF_DIR + '/topology.sh'
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r.write_file_to(t_script, f.get_file_text(
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'plugins/vanilla/v2_3_0/resources/topology.sh'),
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run_as_root=True)
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r.execute_command('chmod +x ' + t_script, run_as_root=True)
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def _get_hadoop_dirs(node_group):
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dirs = {}
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storage_paths = node_group.storage_paths()
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dirs['hadoop_name_dirs'] = _make_hadoop_paths(
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storage_paths, '/hdfs/namenode')
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dirs['hadoop_data_dirs'] = _make_hadoop_paths(
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storage_paths, '/hdfs/datanode')
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dirs['hadoop_log_dir'] = _make_hadoop_paths(
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storage_paths, '/hadoop/logs')[0]
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dirs['hadoop_secure_dn_log_dir'] = _make_hadoop_paths(
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storage_paths, '/hadoop/logs/secure')[0]
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dirs['yarn_log_dir'] = _make_hadoop_paths(
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storage_paths, '/yarn/logs')[0]
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return dirs
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def _make_hadoop_paths(paths, hadoop_dir):
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return [path + hadoop_dir for path in paths]
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def _merge_configs(a, b):
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res = {}
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def update(cfg):
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for service, configs in six.iteritems(cfg):
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if not res.get(service):
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res[service] = {}
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res[service].update(configs)
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update(a)
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update(b)
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return res
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def configure_topology_data(cluster):
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if c_helper.is_data_locality_enabled(cluster):
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LOG.info("Node group awareness is not implemented in YARN yet "
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"so enable_hypervisor_awareness set to False explicitly")
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tpl_map = th.generate_topology_map(cluster, is_node_awareness=False)
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topology_data = "\n".join(
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[k + " " + v for k, v in tpl_map.items()]) + "\n"
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for ng in cluster.node_groups:
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for i in ng.instances:
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i.remote().write_file_to(HADOOP_CONF_DIR + "/topology.data",
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topology_data, run_as_root=True)
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