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 from __future__ import absolute_import
  10 import logging
  11
  12 import yardstick.ssh as ssh
  13 from yardstick.benchmark.scenarios.availability import util
  14 from yardstick.benchmark.scenarios.availability.attacker.baseattacker import \
  15     BaseAttacker
  16
  17 LOG = logging.getLogger(__name__)
  18
  19
  20 class GeneralAttacker(BaseAttacker):
  21
  22     __attacker_type__ = 'general-attacker'
  23
  24     def setup(self):
  25         LOG.debug("config:%s context:%s", self._config, self._context)
  26         host = self._context.get(self._config['host'], None)
  27         ip = host.get("ip", None)
  28         user = host.get("user", "root")
  29         ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
  30         key_filename = host.get("key_filename", "~/.ssh/id_rsa")
  31
  32         self.connection = ssh.SSH(user, ip, key_filename=key_filename,
  33                                   port=ssh_port)
  34         self.connection.wait(timeout=600)
  35         LOG.debug("ssh host success!")
  36
  37         self.key = self._config['key']
  38         self.attack_key = self._config['attack_key']
  39
  40         if "action_parameter" in self._config:
  41             actionParameter = self._config['action_parameter']
  42             str = util.buildshellparams(actionParameter)
  43             LOG.debug("inject parameter is: %s", actionParameter)
  44             LOG.debug("inject parameter values are: %s",
  45                       list(actionParameter.values()))
  46             l = list(actionParameter.values())
  47             self.action_param = str.format(*l)
  48
  49         if "rollback_parameter" in self._config:
  50             rollbackParameter = self._config['rollback_parameter']
  51             str = util.buildshellparams(rollbackParameter)
  52             LOG.debug("recover parameter is: %s", rollbackParameter)
  53             LOG.debug("recover parameter values are: %s",
  54                       list(rollbackParameter.values()))
  55             l = list(rollbackParameter.values())
  56             self.rollback_param = str.format(*l)
  57
  58         self.fault_cfg = BaseAttacker.attacker_cfgs.get(self.attack_key)
  59         self.inject_script = self.get_script_fullpath(
  60             self.fault_cfg['inject_script'])
  61         self.recovery_script = self.get_script_fullpath(
  62             self.fault_cfg['recovery_script'])
  63
  64     def inject_fault(self):
  65         LOG.debug("%s starting inject!", self.key)
  66         LOG.debug("the inject_script path:%s", self.inject_script)
  67
  68         if "action_parameter" in self._config:
  69             LOG.debug("the shell command is: %s", self.action_param)
  70             with open(self.inject_script, "r") as stdin_file:
  71                 exit_status, stdout, stderr = self.connection.execute(
  72                     self.action_param,
  73                     stdin=stdin_file)
  74         else:
  75             with open(self.inject_script, "r") as stdin_file:
  76                 exit_status, stdout, stderr = self.connection.execute(
  77                     "/bin/bash -s ",
  78                     stdin=stdin_file)
  79
  80         LOG.debug("the inject_fault's exit status is: %s", exit_status)
  81         if exit_status == 0:
  82             LOG.debug("success,the inject_fault's output is: %s", stdout)
  83         else:
  84             LOG.error(
  85                 "the inject_fault's error, stdout:%s, stderr:%s",
  86                 stdout, stderr)
  87
  88     def recover(self):
  89         if "rollback_parameter" in self._config:
  90             LOG.debug("the shell command is: %s", self.rollback_param)
  91             with open(self.recovery_script, "r") as stdin_file:
  92                 exit_status, stdout, stderr = self.connection.execute(
  93                     self.rollback_param,
  94                     stdin=stdin_file)
  95         else:
  96             with open(self.recovery_script, "r") as stdin_file:
  97                 exit_status, stdout, stderr = self.connection.execute(
  98                     "/bin/bash -s ",
  99                     stdin=stdin_file)