Source code for yardstick.benchmark.scenarios.availability.attacker.attacker_process

##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd. and others
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging

from baseattacker import BaseAttacker
import yardstick.ssh as ssh

LOG = logging.getLogger(__name__)


[docs]class ProcessAttacker(BaseAttacker): __attacker_type__ = 'kill-process'
[docs] def setup(self): LOG.debug("config:%s context:%s" % (self._config, self._context)) host = self._context.get(self._config['host'], None) ip = host.get("ip", None) user = host.get("user", "root") key_filename = host.get("key_filename", "~/.ssh/id_rsa") self.connection = ssh.SSH(user, ip, key_filename=key_filename) self.connection.wait(timeout=600) LOG.debug("ssh host success!") self.service_name = self._config['process_name'] self.fault_cfg = BaseAttacker.attacker_cfgs.get('kill-process') self.check_script = self.get_script_fullpath( self.fault_cfg['check_script']) self.inject_script = self.get_script_fullpath( self.fault_cfg['inject_script']) self.recovery_script = self.get_script_fullpath( self.fault_cfg['recovery_script']) if self.check(): self.setup_done = True
[docs] def check(self): exit_status, stdout, stderr = self.connection.execute( "/bin/sh -s {0}".format(self.service_name), stdin=open(self.check_script, "r")) if stdout and "running" in stdout: LOG.info("check the envrioment success!") return True else: LOG.error( "the host envrioment is error, stdout:%s, stderr:%s" % (stdout, stderr)) return False
[docs] def inject_fault(self): exit_status, stdout, stderr = self.connection.execute( "/bin/sh -s {0}".format(self.service_name), stdin=open(self.inject_script, "r"))
[docs] def recover(self): exit_status, stdout, stderr = self.connection.execute( "/bin/sh -s {0} ".format(self.service_name), stdin=open(self.recovery_script, "r"))