| #!/usr/bin/env python |
| ''' |
| Created on 31-May-2013 |
| |
| @author: Anil Kumar (anilkumar.s@paxterrasolutions.com) |
| |
| |
| TestON is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation, either version 2 of the License, or |
| (at your option) any later version. |
| |
| TestON is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with TestON. If not, see <http://www.gnu.org/licenses/>. |
| |
| |
| ZookeeperCliDriver is the basic driver which will handle the Zookeeper functions |
| ''' |
| |
| import pexpect |
| import struct |
| import fcntl |
| import os |
| import signal |
| import re |
| import sys |
| import core.teston |
| import time |
| |
| sys.path.append("../") |
| from drivers.common.clidriver import CLI |
| |
| class ZookeeperCliDriver(CLI): |
| ''' |
| ZookeeperCliDriver is the basic driver which will handle the Zookeeper's functions |
| ''' |
| def __init__(self): |
| super(CLI, self).__init__() |
| self.handle = self |
| self.wrapped = sys.modules[__name__] |
| |
| def connect(self, **connectargs): |
| # Here the main is the TestON instance after creating all the log handles. |
| self.port = None |
| for key in connectargs: |
| vars(self)[key] = connectargs[key] |
| self.home = "~/zookeeper-3.4.5" |
| for key in self.options: |
| if key == "home": |
| self.home = self.options['home'] |
| break |
| |
| self.name = self.options['name'] |
| self.handle = super(ZookeeperCliDriver, self).connect(user_name = self.user_name, ip_address = self.ip_address,port = self.port, pwd = self.pwd, home = self.home) |
| |
| self.ssh_handle = self.handle |
| if self.handle : |
| return main.TRUE |
| else : |
| main.log.error("Connection failed to the host "+self.user_name+"@"+self.ip_address) |
| main.log.error(self.name + ": Failed to connect to Zookeeper") |
| return main.FALSE |
| |
| |
| def start(self): |
| ''' |
| This Function will start the Zookeeper |
| ''' |
| main.log.info(self.name + ": Starting Zookeeper" ) |
| self.handle.sendline("") |
| self.handle.expect("\$") |
| self.handle.sendline(self.home + "/bin/zkServer.sh start") |
| self.handle.expect("zkServer.sh start") |
| self.handle.expect("\$") |
| response = self.handle.before + self.handle.after |
| if re.search("STARTED", response): |
| main.log.info(self.name + ": Zookeeper Started ") |
| return main.TRUE |
| elif re.search("running", response): |
| main.log.warn(self.name +": zookeeper ... already running") |
| return main.TRUE |
| else: |
| main.log.error(self.name + ": Failed to start Zookeeper"+ response) |
| return main.FALSE |
| |
| def status(self): |
| ''' |
| This Function will return the Status of the Zookeeper |
| ''' |
| time.sleep(5) |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| response = self.execute(cmd=self.home + "/bin/zkServer.sh status ",prompt="JMX",timeout=10) |
| |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| return response |
| |
| def stop(self): |
| ''' |
| This Function will stop the Zookeeper if it is Running |
| ''' |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| time.sleep(5) |
| response = self.execute(cmd=self.home + "/bin/zkServer.sh stop ",prompt="STOPPED",timeout=10) |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| if re.search("STOPPED",response): |
| main.log.info(self.name + ": Zookeeper Stopped") |
| return main.TRUE |
| else: |
| main.log.warn(self.name + ": No zookeeper to stop") |
| return main.FALSE |
| |
| def disconnect(self): |
| ''' |
| Called at the end of the test to disconnect the ZK handle |
| ''' |
| response = '' |
| if self.handle: |
| self.handle.sendline("exit") |
| self.handle.expect("closed") |
| else : |
| main.log.error(self.name + ": Connection failed to the host") |
| response = main.FALSE |
| return response |
| |
| def isup(self): |
| ''' |
| Calls the zookeeper status and returns TRUE if it has an assigned Mode to it. |
| ''' |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| response = self.execute(cmd=self.home + "/bin/zkServer.sh status ",prompt="Mode",timeout=10) |
| pattern = '(.*)Mode(.*)' |
| if re.search(pattern, response): |
| main.log.info(self.name + ": Zookeeper is up.") |
| return main.TRUE |
| else: |
| main.log.info(self.name + ": Zookeeper is down.") |
| return main.FALSE |
| |
| |