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##############################################################################
# Copyright (c) 2016 Juan Qiu and others
# juan_ qiu@tongji.edu.cn
# 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
from yardstick.benchmark.scenarios.availability import util
LOG = logging.getLogger(__name__)
class GeneralAttacker(BaseAttacker):
__attacker_type__ = 'general-attacker'
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.key = self._config['key']
self.attack_key = self._config['attack_key']
if "action_parameter" in self._config:
actionParameter = self._config['action_parameter']
str = util.buildshellparams(actionParameter)
LOG.debug("inject parameter is: {0}".format(actionParameter))
LOG.debug("inject parameter values are: {0}"
.format(actionParameter.values()))
l = list(item for item in actionParameter.values())
self.action_param = str.format(*l)
if "rollback_parameter" in self._config:
rollbackParameter = self._config['rollback_parameter']
str = util.buildshellparams(rollbackParameter)
LOG.debug("recover parameter is: {0}".format(rollbackParameter))
LOG.debug("recover parameter values are: {0}".
format(rollbackParameter.values()))
l = list(item for item in rollbackParameter.values())
self.rollback_param = str.format(*l)
self.fault_cfg = BaseAttacker.attacker_cfgs.get(self.attack_key)
self.inject_script = self.get_script_fullpath(
self.fault_cfg['inject_script'])
self.recovery_script = self.get_script_fullpath(
self.fault_cfg['recovery_script'])
def inject_fault(self):
LOG.debug("{0} starting inject!".format(self.key))
LOG.debug("the inject_script path:{0}".format(self.inject_script))
if "action_parameter" in self._config:
LOG.debug("the shell command is: {0}".format(self.action_param))
exit_status, stdout, stderr = self.connection.execute(
self.action_param,
stdin=open(self.inject_script, "r"))
else:
exit_status, stdout, stderr = self.connection.execute(
"/bin/bash -s ",
stdin=open(self.inject_script, "r"))
LOG.debug("the inject_fault's exit status is: {0}".format(exit_status))
if exit_status == 0:
LOG.debug("success,the inject_fault's output is: {0}"
.format(stdout))
else:
LOG.error(
"the inject_fault's error, stdout:%s, stderr:%s" %
(stdout, stderr))
def recover(self):
if "rollback_parameter" in self._config:
LOG.debug("the shell command is: {0}".format(self.rollback_param))
exit_status, stdout, stderr = self.connection.execute(
self.rollback_param,
stdin=open(self.recovery_script, "r"))
else:
exit_status, stdout, stderr = self.connection.execute(
"/bin/bash -s ",
stdin=open(self.recovery_script, "r"))
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