sahara/sahara/plugins/vanilla/v1_2_1/run_scripts.py

125 lines
4.3 KiB
Python

# Copyright (c) 2013 Mirantis 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 oslo_log import log as logging
from sahara.utils import files
LOG = logging.getLogger(__name__)
def start_processes(remote, *processes):
for proc in processes:
remote.execute_command('sudo su -c "/usr/sbin/hadoop-daemon.sh '
'start %s" hadoop' % proc)
def refresh_nodes(remote, service):
remote.execute_command("sudo su -c 'hadoop %s -refreshNodes' hadoop"
% service)
def format_namenode(remote):
remote.execute_command("sudo su -c 'hadoop namenode -format' hadoop")
def hive_create_warehouse_dir(remote):
LOG.debug("Creating Hive warehouse dir")
remote.execute_command("sudo su - -c 'hadoop fs -mkdir "
"/user/hive/warehouse' hadoop")
def hive_copy_shared_conf(remote, dest):
LOG.debug("Copying shared Hive conf")
remote.execute_command(
"sudo su - -c 'hadoop fs -put /opt/hive/conf/hive-site.xml "
"%s' hadoop" % dest)
def oozie_share_lib(remote, nn_hostname):
LOG.debug("Sharing Oozie libs to hdfs://{host}:8020".format(
host=nn_hostname))
# remote.execute_command('sudo su - -c "/opt/oozie/bin/oozie-setup.sh '
# 'sharelib create -fs hdfs://%s:8020" hadoop'
# % nn_hostname)
# TODO(alazarev) return 'oozie-setup.sh sharelib create' back
# when #1262023 is resolved
remote.execute_command(
'sudo su - -c "mkdir /tmp/oozielib && '
'tar zxf /opt/oozie/oozie-sharelib-4.0.0.tar.gz -C /tmp/oozielib && '
'hadoop fs -put /tmp/oozielib/share share && '
'rm -rf /tmp/oozielib" hadoop')
LOG.debug("Creating sqlfile for Oozie")
remote.execute_command('sudo su - -c "/opt/oozie/bin/ooziedb.sh '
'create -sqlfile oozie.sql '
'-run Validate DB Connection" hadoop')
def check_datanodes_count(remote, count):
if count < 1:
return True
LOG.debug("Checking datanode count")
exit_code, stdout = remote.execute_command(
'sudo su -c "hadoop dfsadmin -report | '
'grep \'Datanodes available:\' | '
'awk \'{print \\$3}\'" hadoop')
LOG.debug("Datanode count={count}".format(count=stdout.rstrip()))
return exit_code == 0 and stdout and int(stdout) == count
def mysql_start(remote, mysql_instance):
LOG.debug("Starting mysql at {host}".format(
host=mysql_instance.hostname()))
remote.execute_command("/opt/start-mysql.sh")
def oozie_create_db(remote):
LOG.debug("Creating Oozie DB Schema")
sql_script = files.get_file_text(
'plugins/vanilla/v1_2_1/resources/create_oozie_db.sql')
script_location = "create_oozie_db.sql"
remote.write_file_to(script_location, sql_script)
remote.execute_command('mysql -u root < %(script_location)s && '
'rm %(script_location)s' %
{"script_location": script_location})
def start_oozie(remote):
remote.execute_command(
'sudo su - -c "/opt/oozie/bin/oozied.sh start" hadoop')
def hive_create_db(remote, hive_mysql_passwd):
LOG.debug("Creating Hive metastore db")
sql_script = files.get_file_text(
'plugins/vanilla/v1_2_1/resources/create_hive_db.sql')
sql_script = sql_script.replace('pass', hive_mysql_passwd)
script_location = "create_hive_db.sql"
remote.write_file_to(script_location, sql_script)
remote.execute_command('mysql -u root < %(script_location)s && '
'rm %(script_location)s' %
{"script_location": script_location})
def hive_metastore_start(remote):
LOG.debug("Starting Hive Metastore Server")
remote.execute_command("sudo su - -c 'nohup /opt/hive/bin/hive"
" --service metastore > /dev/null &' hadoop")