yardstick/benchmark/scenarios/availability/attacker/attacker_general.py

   1 ##############################################################################
   2 # Copyright (c) 2016 Juan Qiu and others
   3 # juan_ qiu@tongji.edu.cn
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9 import logging
  10
  11 from baseattacker import BaseAttacker
  12 import yardstick.ssh as ssh
  13 from yardstick.benchmark.scenarios.availability import util
  14
  15 LOG = logging.getLogger(__name__)
  16
  17
  18 class GeneralAttacker(BaseAttacker):
  19
  20     __attacker_type__ = 'general-attacker'
  21
  22     def setup(self):
  23         LOG.debug("config:%s context:%s" % (self._config, self._context))
  24         host = self._context.get(self._config['host'], None)
  25         ip = host.get("ip", None)
  26         user = host.get("user", "root")
  27         key_filename = host.get("key_filename", "~/.ssh/id_rsa")
  28
  29         self.connection = ssh.SSH(user, ip, key_filename=key_filename)
  30         self.connection.wait(timeout=600)
  31         LOG.debug("ssh host success!")
  32
  33         self.key = self._config['key']
  34
  35         if "action_parameter" in self._config:
  36             actionParameter = self._config['action_parameter']
  37             str = util.buildshellparams(actionParameter)
  38             LOG.debug("inject parameter is: {0}".format(actionParameter))
  39             LOG.debug("inject parameter values are: {0}"
  40                       .format(actionParameter.values()))
  41             l = list(item for item in actionParameter.values())
  42             self.action_param = str.format(*l)
  43
  44         if "rollback_parameter" in self._config:
  45             rollbackParameter = self._config['rollback_parameter']
  46             str = util.buildshellparams(rollbackParameter)
  47             LOG.debug("recover parameter is: {0}".format(rollbackParameter))
  48             LOG.debug("recover parameter values are: {0}".
  49                       format(rollbackParameter.values()))
  50             l = list(item for item in rollbackParameter.values())
  51             self.rollback_param = str.format(*l)
  52
  53         self.fault_cfg = BaseAttacker.attacker_cfgs.get(self.key)
  54         self.inject_script = self.get_script_fullpath(
  55             self.fault_cfg['inject_script'])
  56         self.recovery_script = self.get_script_fullpath(
  57             self.fault_cfg['recovery_script'])
  58
  59     def inject_fault(self):
  60         LOG.debug("{0} starting inject!".format(self.key))
  61         LOG.debug("the inject_script path:{0}".format(self.inject_script))
  62
  63         if "action_parameter" in self._config:
  64             LOG.debug("the shell command is: {0}".format(self.action_param))
  65             exit_status, stdout, stderr = self.connection.execute(
  66                 self.action_param,
  67                 stdin=open(self.inject_script, "r"))
  68         else:
  69             exit_status, stdout, stderr = self.connection.execute(
  70                 "/bin/bash -s ",
  71                 stdin=open(self.inject_script, "r"))
  72
  73         LOG.debug("the inject_fault's exit status is: {0}".format(exit_status))
  74         if exit_status == 0:
  75             LOG.debug("success,the inject_fault's output is: {0}"
  76                       .format(stdout))
  77         else:
  78             LOG.error(
  79                 "the inject_fault's error, stdout:%s, stderr:%s" %
  80                 (stdout, stderr))
  81
  82     def recover(self):
  83         if "rollback_parameter" in self._config:
  84             LOG.debug("the shell command is: {0}".format(self.rollback_param))
  85             exit_status, stdout, stderr = self.connection.execute(
  86                 self.rollback_param,
  87                 stdin=open(self.recovery_script, "r"))
  88         else:
  89             exit_status, stdout, stderr = self.connection.execute(
  90                 "/bin/bash -s ",
  91                 stdin=open(self.recovery_script, "r"))