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         ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
  28         key_filename = host.get("key_filename", "~/.ssh/id_rsa")
  29
  30         self.connection = ssh.SSH(user, ip, key_filename=key_filename,
  31                                   port=ssh_port)
  32         self.connection.wait(timeout=600)
  33         LOG.debug("ssh host success!")
  34
  35         self.key = self._config['key']
  36         self.attack_key = self._config['attack_key']
  37
  38         if "action_parameter" in self._config:
  39             actionParameter = self._config['action_parameter']
  40             str = util.buildshellparams(actionParameter)
  41             LOG.debug("inject parameter is: {0}".format(actionParameter))
  42             LOG.debug("inject parameter values are: {0}"
  43                       .format(actionParameter.values()))
  44             l = list(item for item in actionParameter.values())
  45             self.action_param = str.format(*l)
  46
  47         if "rollback_parameter" in self._config:
  48             rollbackParameter = self._config['rollback_parameter']
  49             str = util.buildshellparams(rollbackParameter)
  50             LOG.debug("recover parameter is: {0}".format(rollbackParameter))
  51             LOG.debug("recover parameter values are: {0}".
  52                       format(rollbackParameter.values()))
  53             l = list(item for item in rollbackParameter.values())
  54             self.rollback_param = str.format(*l)
  55
  56         self.fault_cfg = BaseAttacker.attacker_cfgs.get(self.attack_key)
  57         self.inject_script = self.get_script_fullpath(
  58             self.fault_cfg['inject_script'])
  59         self.recovery_script = self.get_script_fullpath(
  60             self.fault_cfg['recovery_script'])
  61
  62     def inject_fault(self):
  63         LOG.debug("{0} starting inject!".format(self.key))
  64         LOG.debug("the inject_script path:{0}".format(self.inject_script))
  65
  66         if "action_parameter" in self._config:
  67             LOG.debug("the shell command is: {0}".format(self.action_param))
  68             exit_status, stdout, stderr = self.connection.execute(
  69                 self.action_param,
  70                 stdin=open(self.inject_script, "r"))
  71         else:
  72             exit_status, stdout, stderr = self.connection.execute(
  73                 "/bin/bash -s ",
  74                 stdin=open(self.inject_script, "r"))
  75
  76         LOG.debug("the inject_fault's exit status is: {0}".format(exit_status))
  77         if exit_status == 0:
  78             LOG.debug("success,the inject_fault's output is: {0}"
  79                       .format(stdout))
  80         else:
  81             LOG.error(
  82                 "the inject_fault's error, stdout:%s, stderr:%s",
  83                 stdout, stderr)
  84
  85     def recover(self):
  86         if "rollback_parameter" in self._config:
  87             LOG.debug("the shell command is: {0}".format(self.rollback_param))
  88             exit_status, stdout, stderr = self.connection.execute(
  89                 self.rollback_param,
  90                 stdin=open(self.recovery_script, "r"))
  91         else:
  92             exit_status, stdout, stderr = self.connection.execute(
  93                 "/bin/bash -s ",
  94                 stdin=open(self.recovery_script, "r"))