Plain Hadoop (vanilla) provisioning plugin for Sahara
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# Copyright (c) 2017 EasyStack Inc.
#
# 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 functools import wraps
from unittest import mock
def mock_event_wrapper(*args, **kwargs):
def decorator(f):
@wraps(f)
def decorated_function(*args, **kwargs):
return f(*args, **kwargs)
return decorated_function
return decorator
from sahara.plugins import edp
from sahara.plugins import utils as pu
mock.patch('sahara.plugins.utils.event_wrapper', mock_event_wrapper).start()
from sahara_plugin_vanilla.i18n import _
from sahara_plugin_vanilla.plugins.vanilla.hadoop2 import config_helper
from sahara_plugin_vanilla.plugins.vanilla.hadoop2 import run_scripts as rs
from sahara_plugin_vanilla.tests.unit import base
class RunScriptsTest(base.SaharaTestCase):
PLUGINS_PATH = 'sahara_plugin_vanilla.plugins.vanilla.hadoop2.'
def setUp(self):
super(RunScriptsTest, self).setUp()
self.instance = mock.Mock()
self.r = mock.Mock()
self.remote = mock.Mock(return_value=self.r)
self.remote.__enter__ = self.remote
self.remote.__exit__ = mock.Mock()
self.instance.remote.return_value = self.remote
pu.event_wrapper = mock_event_wrapper
@mock.patch(PLUGINS_PATH + 'run_scripts._start_processes')
@mock.patch('sahara.plugins.context.set_current_instance_id')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
@mock.patch('sahara.plugins.utils.instances_with_services')
def test_start_dn_nm_processes(self, instances_with_services,
add_provisioning_step,
set_current_instance_id,
_start_processes):
ins = mock.Mock()
ins.cluster_id = '111'
ins.instance_id = '123'
ins.instance_name = 'ins_1'
instances = [ins]
instances_with_services.return_value = instances
mess = pu.start_process_event_message('DataNodes, NodeManagers')
ins.node_group.node_processes = ['datanode', 'test']
rs.start_dn_nm_processes(instances)
instances_with_services.assert_called_once_with(
instances, ['datanode', 'nodemanager'])
add_provisioning_step.assert_called_once_with('111', mess, 1)
set_current_instance_id.assert_called_once_with('123')
_start_processes.assert_called_once_with(ins, ['datanode'])
@mock.patch('sahara.plugins.utils.check_cluster_exists')
def test_start_processes_datanode(self, check_cluster_exists):
processes = ['datanode']
rs._start_processes(self.instance, processes)
self.r.execute_command.assert_called_once_with(
'sudo su - -c "hadoop-daemon.sh start datanode" hadoop')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
def test_start_processes_nodemanager(self, check_cluster_exists):
processes = ['nodemanager']
rs._start_processes(self.instance, processes)
self.r.execute_command.assert_called_once_with(
'sudo su - -c "yarn-daemon.sh start nodemanager" hadoop')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
def test_start_processes_both(self, check_cluster_exists):
processes = ['datanode', 'nodemanager']
rs._start_processes(self.instance, processes)
cmd_1 = 'sudo su - -c "hadoop-daemon.sh start datanode" hadoop'
cmd_2 = 'sudo su - -c "yarn-daemon.sh start nodemanager" hadoop'
calls = [mock.call(cmd_1), mock.call(cmd_2)]
self.r.execute_command.assert_has_calls(calls, any_order=True)
def test_start_hadoop_process(self):
process = 'test'
rs.start_hadoop_process(self.instance, process)
self.remote.execute_command.assert_called_once_with(
'sudo su - -c "hadoop-daemon.sh start %s" hadoop' % process)
def test_start_yarn_process(self):
process = 'test'
rs.start_yarn_process(self.instance, process)
self.remote.execute_command.assert_called_once_with(
'sudo su - -c "yarn-daemon.sh start %s" hadoop' % process)
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
def test_start_historyserver(self, add_provisioning_step,
check_cluster_exists):
rs.start_historyserver(self.instance)
self.remote.execute_command.assert_called_once_with(
'sudo su - -c "mr-jobhistory-daemon.sh start historyserver" ' +
'hadoop')
@mock.patch(PLUGINS_PATH + 'run_scripts._start_oozie')
@mock.patch(PLUGINS_PATH + 'run_scripts._oozie_share_lib')
@mock.patch(PLUGINS_PATH + 'run_scripts._start_mysql')
@mock.patch(PLUGINS_PATH + 'config_helper.is_mysql_enabled')
@mock.patch(PLUGINS_PATH + 'utils.get_oozie_password')
@mock.patch('sahara.plugins.context.set_current_instance_id')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
def test_start_oozie_process(self, add_provisioning_step,
check_cluster_exists,
set_current_instance_id, get_oozie_password,
is_mysql_enabled, _start_mysql,
_oozie_share_lib, _start_oozie):
self.instance.instance_id = '112233'
pctx = mock.Mock()
is_mysql_enabled.return_value = True
sql_script = pu.get_file_text(
'plugins/vanilla/hadoop2/resources/create_oozie_db.sql',
'sahara_plugin_vanilla')
get_oozie_password.return_value = '123'
pwd_script = sql_script.replace('password', '123')
rs.start_oozie_process(pctx, self.instance)
set_current_instance_id.assert_called_once_with('112233')
is_mysql_enabled.assert_called_once_with(pctx,
self.instance.cluster)
_start_mysql.assert_called_once_with(self.r)
self.r.write_file_to.assert_called_once_with('create_oozie_db.sql',
pwd_script)
self.r.execute_command.assert_called_once_with(
'mysql -u root < create_oozie_db.sql && '
'rm create_oozie_db.sql')
_oozie_share_lib.assert_called_once_with(self.r)
_start_oozie.assert_called_once_with(self.r)
@mock.patch(PLUGINS_PATH + 'config_helper.get_spark_home')
@mock.patch('sahara.plugins.context.set_current_instance_id')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
def test_start_spark_history_server(self, add_provisioning_step,
check_cluster_exists,
set_current_instance_id,
get_spark_home):
get_spark_home.return_value = '/spark'
rs.start_spark_history_server(self.instance)
get_spark_home.assert_called_once_with(self.instance.cluster)
set_current_instance_id.assert_called_once_with(
self.instance.instance_id)
self.r.execute_command.assert_called_once_with(
'sudo su - -c "bash /spark/sbin/start-history-server.sh" hadoop')
def test_format_namenode(self):
rs.format_namenode(self.instance)
self.remote.execute_command.assert_called_once_with(
'sudo su - -c "hdfs namenode -format" hadoop')
@mock.patch('sahara_plugin_vanilla.plugins.vanilla.utils.get_namenode')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
def test_refresh_hadoop_nodes(self, add_provisioning_step,
check_cluster_exists, get_namenode):
cluster = mock.Mock()
get_namenode.return_value = self.instance
rs.refresh_hadoop_nodes(cluster)
get_namenode.assert_called_once_with(cluster)
self.remote.execute_command.assert_called_once_with(
'sudo su - -c "hdfs dfsadmin -refreshNodes" hadoop')
@mock.patch('sahara_plugin_vanilla.plugins.vanilla.utils.'
'get_resourcemanager')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
def test_refresh_yarn_nodes(self, add_provisioning_step,
check_cluster_exists, get_resourcemanager):
cluster = mock.Mock()
get_resourcemanager.return_value = self.instance
rs.refresh_yarn_nodes(cluster)
get_resourcemanager.assert_called_once_with(cluster)
self.remote.execute_command.assert_called_once_with(
'sudo su - -c "yarn rmadmin -refreshNodes" hadoop')
def test_oozie_share_lib(self):
cmd_1 = 'sudo su - -c "mkdir /tmp/oozielib && ' \
'tar zxf /opt/oozie/oozie-sharelib-*.tar.gz -C ' \
'/tmp/oozielib && ' \
'hadoop fs -mkdir /user && ' \
'hadoop fs -mkdir /user/hadoop && ' \
'hadoop fs -put /tmp/oozielib/share /user/hadoop/ && ' \
'rm -rf /tmp/oozielib" hadoop'
cmd_2 = 'sudo su - -c "/opt/oozie/bin/ooziedb.sh ' \
'create -sqlfile oozie.sql ' \
'-run Validate DB Connection" hadoop'
command = [mock.call(cmd_1),
mock.call(cmd_2)]
rs._oozie_share_lib(self.r)
self.r.execute_command.assert_has_calls(command, any_order=True)
def test_start_mysql(self):
rs._start_mysql(self.r)
self.r.execute_command.assert_called_once_with('/opt/start-mysql.sh')
def test_start_oozie(self):
rs._start_oozie(self.r)
self.r.execute_command.assert_called_once_with(
'sudo su - -c "/opt/oozie/bin/oozied.sh start" hadoop')
@mock.patch('sahara_plugin_vanilla.plugins.vanilla.utils.get_namenode')
@mock.patch('sahara_plugin_vanilla.plugins.vanilla.utils.get_datanodes')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
@mock.patch('sahara.plugins.utils.plugin_option_poll')
def test_await_datanodes(self, plugin_option_poll, add_provisioning_step,
check_cluster_exists, get_datanodes,
get_namenode):
cluster = mock.Mock()
get_datanodes.return_value = ['node1']
r = mock.Mock()
remote = mock.Mock(return_value=r)
remote.__enter__ = remote
remote.__exit__ = mock.Mock()
namenode = mock.Mock()
namenode.remote.return_value = remote
get_namenode.return_value = namenode
mess = _('Waiting on 1 datanodes to start up')
test_data = {'remote': r, 'count': 1}
timeout = config_helper.DATANODES_STARTUP_TIMEOUT
rs.await_datanodes(cluster)
get_datanodes.assert_called_once_with(cluster)
get_namenode.assert_called_once_with(cluster)
plugin_option_poll.assert_called_once_with(cluster,
rs._check_datanodes_count,
timeout, mess, 1, test_data)
def test_check_datanodes_count(self):
self.r.execute_command = mock.Mock(return_value=(0, '1'))
self.assertEqual(rs._check_datanodes_count(self.r, 0), True)
self.assertEqual(rs._check_datanodes_count(self.r, 1), True)
self.r.execute_command.assert_called_once_with(
'sudo su -lc "hdfs dfsadmin -report" hadoop | '
r'grep \'Live datanodes\|Datanodes available:\' | '
r'grep -o \'[0-9]\+\' | head -n 1')
def test_hive_create_warehouse_dir(self):
rs._hive_create_warehouse_dir(self.r)
self.r.execute_command.assert_called_once_with(
"sudo su - -c 'hadoop fs -mkdir -p "
"/user/hive/warehouse' hadoop")
def test_hive_copy_shared_conf(self):
dest = '/root/test.xml'
rs._hive_copy_shared_conf(self.r, dest)
self.r.execute_command.assert_called_once_with(
"sudo su - -c 'hadoop fs -mkdir -p /root && "
"hadoop fs -put /opt/hive/conf/hive-site.xml "
"/root/test.xml' hadoop")
def test_hive_create_db(self):
rs._hive_create_db(self.r)
self.r.execute_command.assert_called_once_with(
'mysql -u root < /tmp/create_hive_db.sql')
def test_hive_metastore_start(self):
rs._hive_metastore_start(self.r)
self.r.execute_command.assert_called_once_with(
"sudo su - -c 'nohup /opt/hive/bin/hive"
" --service metastore > /dev/null &' hadoop")
@mock.patch(PLUGINS_PATH + 'utils.get_hive_password')
@mock.patch(PLUGINS_PATH + 'config_helper.is_mysql_enabled')
@mock.patch(PLUGINS_PATH + 'run_scripts._hive_metastore_start')
@mock.patch(PLUGINS_PATH + 'run_scripts._hive_create_db')
@mock.patch(PLUGINS_PATH + 'run_scripts._start_mysql')
@mock.patch(PLUGINS_PATH + 'run_scripts._hive_copy_shared_conf')
@mock.patch(PLUGINS_PATH + 'run_scripts._hive_create_warehouse_dir')
@mock.patch('sahara_plugin_vanilla.plugins.vanilla.utils.get_oozie')
@mock.patch('sahara.plugins.context.set_current_instance_id')
@mock.patch('sahara.plugins.utils.check_cluster_exists')
@mock.patch('sahara.plugins.utils.add_provisioning_step')
def test_start_hiveserver_process(self, add_provisioning_step,
check_cluster_exists,
set_current_instance_id, get_oozie,
_hive_create_warehouse_dir,
_hive_copy_shared_conf, _start_mysql,
_hive_create_db, _hive_metastore_start,
is_mysql_enabled, get_hive_password):
pctx = mock.Mock()
path = edp.get_hive_shared_conf_path('hadoop')
is_mysql_enabled.return_value = True
cluster = self.instance.cluster
self.instance.cluster.hadoop_version = '2.7.1'
ng_cluster = self.instance.node_group.cluster
get_oozie.return_value = None
sql_script = pu.get_file_text(
'plugins/vanilla/v2_7_1/resources/create_hive_db.sql',
'sahara_plugin_vanilla')
get_hive_password.return_value = '123'
pwd_script = sql_script.replace('{{password}}', '123')
rs.start_hiveserver_process(pctx, self.instance)
set_current_instance_id.assert_called_once_with(
self.instance.instance_id)
_hive_create_warehouse_dir.assert_called_once_with(self.r)
_hive_copy_shared_conf.assert_called_once_with(self.r, path)
is_mysql_enabled.assert_called_once_with(pctx, cluster)
get_oozie.assert_called_once_with(ng_cluster)
_start_mysql.assert_called_once_with(self.r)
get_hive_password.assert_called_once_with(cluster)
self.r.write_file_to.assert_called_once_with(
'/tmp/create_hive_db.sql', pwd_script)
_hive_create_db.assert_called_once_with(self.r)
_hive_metastore_start.assert_called_once_with(self.r)