yardstick/benchmark/scenarios/availability/attacker/attacker_baremetal.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 import logging
  10 import traceback
  11 import subprocess
  12 import yardstick.ssh as ssh
  13 from baseattacker import BaseAttacker
  14
  15 LOG = logging.getLogger(__name__)
  16
  17
  18 def _execute_shell_command(command, stdin=None):
  19     '''execute shell script with error handling'''
  20     exitcode = 0
  21     output = []
  22     try:
  23         output = subprocess.check_output(command, stdin=stdin, shell=True)
  24     except Exception:
  25         exitcode = -1
  26         output = traceback.format_exc()
  27         LOG.error("exec command '%s' error:\n " % command)
  28         LOG.error(traceback.format_exc())
  29
  30     return exitcode, output
  31
  32
  33 class BaremetalAttacker(BaseAttacker):
  34
  35     __attacker_type__ = 'bare-metal-down'
  36
  37     def setup(self):
  38         LOG.debug("config:%s context:%s" % (self._config, self._context))
  39         host = self._context.get(self._config['host'], None)
  40         ip = host.get("ip", None)
  41         user = host.get("user", "root")
  42         key_filename = host.get("key_filename", "~/.ssh/id_rsa")
  43
  44         self.connection = ssh.SSH(user, ip, key_filename=key_filename)
  45         self.connection.wait(timeout=600)
  46         LOG.debug("ssh host success!")
  47         self.host_ip = ip
  48
  49         self.ipmi_ip = host.get("ipmi_ip", None)
  50         self.ipmi_user = host.get("ipmi_user", "root")
  51         self.ipmi_pwd = host.get("ipmi_pwd", None)
  52
  53         self.fault_cfg = BaseAttacker.attacker_cfgs.get('bare-metal-down')
  54         self.check_script = self.get_script_fullpath(
  55             self.fault_cfg['check_script'])
  56         self.recovery_script = self.get_script_fullpath(
  57             self.fault_cfg['recovery_script'])
  58
  59         if self.check():
  60             self.setup_done = True
  61
  62     def check(self):
  63         exit_status, stdout, stderr = self.connection.execute(
  64             "/bin/sh -s {0} -W 10".format(self.host_ip),
  65             stdin=open(self.check_script, "r"))
  66
  67         LOG.debug("check ret: %s out:%s err:%s" %
  68                   (exit_status, stdout, stderr))
  69         if not stdout or "running" not in stdout:
  70             LOG.info("the host (ipmi_ip:%s) is not running!" % self.ipmi_ip)
  71             return False
  72
  73         return True
  74
  75     def inject_fault(self):
  76         exit_status, stdout, stderr = self.connection.execute(
  77             "shutdown -h now")
  78         LOG.debug("inject fault ret: %s out:%s err:%s" %
  79                   (exit_status, stdout, stderr))
  80         if not exit_status:
  81             LOG.info("inject fault success")
  82
  83     def recover(self):
  84         jump_host_name = self._config.get("jump_host", None)
  85         self.jump_connection = None
  86         if jump_host_name is not None:
  87             host = self._context.get(jump_host_name, None)
  88             ip = host.get("ip", None)
  89             user = host.get("user", "root")
  90             pwd = host.get("pwd", None)
  91
  92             LOG.debug("jump_host ip:%s user:%s" % (ip, user))
  93             self.jump_connection = ssh.SSH(user, ip, password=pwd)
  94             self.jump_connection.wait(timeout=600)
  95             LOG.debug("ssh jump host success!")
  96
  97         if self.jump_connection is not None:
  98             exit_status, stdout, stderr = self.jump_connection.execute(
  99                 "/bin/bash -s {0} {1} {2} {3}".format(
 100                     self.ipmi_ip, self.ipmi_user, self.ipmi_pwd, "on"),
 101                 stdin=open(self.recovery_script, "r"))
 102         else:
 103             exit_status, stdout = _execute_shell_command(
 104                 "/bin/bash -s {0} {1} {2} {3}".format(
 105                     self.ipmi_ip, self.ipmi_user, self.ipmi_pwd, "on"),
 106                 stdin=open(self.recovery_script, "r"))
 107
 108
 109 def _test():  # pragma: no cover
 110     host = {
 111         "ipmi_ip": "10.20.0.5",
 112         "ipmi_user": "root",
 113         "ipmi_pwd": "123456",
 114         "ip": "10.20.0.5",
 115         "user": "root",
 116         "key_filename": "/root/.ssh/id_rsa"
 117     }
 118     context = {"node1": host}
 119     attacker_cfg = {
 120         'fault_type': 'bear-metal-down',
 121         'host': 'node1',
 122     }
 123     ins = BaremetalAttacker(attacker_cfg, context)
 124     ins.setup()
 125     ins.inject_fault()
 126
 127
 128 if __name__ == '__main__':  # pragma: no cover
 129     _test()