deb-sahara/sahara/plugins/spark/run_scripts.py
Vitaly Gridnev a0c4d13e90 Migrate to oslo.log
oslo.log was added to global requirements, so we can migrate to this module.
Also we need this migration to be ensure that it works correctly with
log-improvements.

Since openstack.common.log is not dropped in oslo-incubator,
we shouldn't remove it.

Change-Id: I90468e4db812ae0b5d8a43a37206b236f8904661
Closes-bug: #1412673
2015-01-27 11:09:10 +03:00

57 lines
1.9 KiB
Python

# Copyright (c) 2014 Hoang Do, Phuc Vo, P. Michiardi, D. Venzano
#
# 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
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
def start_processes(remote, *processes):
for proc in processes:
if proc == "namenode":
remote.execute_command("sudo service hadoop-hdfs-namenode start")
elif proc == "datanode":
remote.execute_command("sudo service hadoop-hdfs-datanode start")
else:
remote.execute_command("screen -d -m sudo hadoop %s" % proc)
def refresh_nodes(remote, service):
remote.execute_command("sudo -u hdfs hadoop %s -refreshNodes"
% service)
def format_namenode(nn_remote):
nn_remote.execute_command("sudo -u hdfs hadoop namenode -format")
def clean_port_hadoop(nn_remote):
nn_remote.execute_command(("sudo netstat -tlnp"
"| awk '/:8020 */"
"{split($NF,a,\"/\"); print a[1]}'"
"| xargs sudo kill -9"))
def start_spark_master(nn_remote, sp_home):
nn_remote.execute_command("bash " + os.path.join(sp_home,
"sbin/start-all.sh"))
def stop_spark(nn_remote, sp_home):
nn_remote.execute_command("bash " + os.path.join(sp_home,
"sbin/stop-all.sh"))