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

   1 ##############################################################################
   2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd. and others
   3 #
   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.attacker.baseattacker import \
  14     BaseAttacker
  15
  16 LOG = logging.getLogger(__name__)
  17
  18
  19 class ProcessAttacker(BaseAttacker):
  20
  21     __attacker_type__ = 'kill-process'
  22
  23     def setup(self):
  24         LOG.debug("config:%s context:%s", self._config, self._context)
  25         host = self._context.get(self._config['host'], None)
  26         ip = host.get("ip", None)
  27         user = host.get("user", "root")
  28         ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
  29         key_filename = host.get("key_filename", "~/.ssh/id_rsa")
  30
  31         self.connection = ssh.SSH(user, ip, key_filename=key_filename,
  32                                   port=ssh_port)
  33         self.connection.wait(timeout=600)
  34         LOG.debug("ssh host success!")
  35
  36         self.service_name = self._config['process_name']
  37         self.fault_cfg = BaseAttacker.attacker_cfgs.get('kill-process')
  38
  39         self.check_script = self.get_script_fullpath(
  40             self.fault_cfg['check_script'])
  41         self.inject_script = self.get_script_fullpath(
  42             self.fault_cfg['inject_script'])
  43         self.recovery_script = self.get_script_fullpath(
  44             self.fault_cfg['recovery_script'])
  45
  46         if self.check():
  47             self.setup_done = True
  48
  49     def check(self):
  50         with open(self.check_script, "r") as stdin_file:
  51             exit_status, stdout, stderr = self.connection.execute(
  52                 "/bin/sh -s {0}".format(self.service_name),
  53                 stdin=stdin_file)
  54
  55         if stdout and "running" in stdout:
  56             LOG.info("check the envrioment success!")
  57             return True
  58         else:
  59             LOG.error(
  60                 "the host envrioment is error, stdout:%s, stderr:%s",
  61                 stdout, stderr)
  62         return False
  63
  64     def inject_fault(self):
  65         with open(self.inject_script, "r") as stdin_file:
  66             exit_status, stdout, stderr = self.connection.execute(
  67                 "/bin/sh -s {0}".format(self.service_name),
  68                 stdin=stdin_file)
  69
  70     def recover(self):
  71         with open(self.recovery_script, "r") as stdin_file:
  72             exit_status, stdout, stderr = self.connection.execute(
  73                 "/bin/sh -s {0} ".format(self.service_name),
  74                 stdin=stdin_file)