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
12 import yardstick.ssh as ssh
13 from yardstick.benchmark.scenarios.availability import util
14 from yardstick.benchmark.scenarios.availability.attacker.baseattacker import \
16 from yardstick.benchmark.scenarios.availability.util \
17 import read_stdout_item, build_shell_command
19 LOG = logging.getLogger(__name__)
22 class GeneralAttacker(BaseAttacker):
24 __attacker_type__ = 'general-attacker'
27 LOG.debug("config:%s context:%s", self._config, self._context)
28 host = self._context.get(self._config['host'], None)
30 self.connection = ssh.SSH.from_node(host, defaults={"user": "root"})
31 self.connection.wait(timeout=600)
32 LOG.debug("ssh host success!")
34 self.key = self._config['key']
35 self.attack_key = self._config['attack_key']
37 if "action_parameter" in self._config:
38 self.actionParameter_config = self._config['action_parameter']
40 if "rollback_parameter" in self._config:
41 rollbackParameter = self._config['rollback_parameter']
42 str = util.buildshellparams(rollbackParameter)
43 LOG.debug("recover parameter is: %s", rollbackParameter)
44 LOG.debug("recover parameter values are: %s",
45 list(rollbackParameter.values()))
46 l = list(rollbackParameter.values())
47 self.rollback_param = str.format(*l)
49 self.fault_cfg = BaseAttacker.attacker_cfgs.get(self.attack_key)
50 self.inject_script = self.get_script_fullpath(
51 self.fault_cfg['inject_script'])
52 self.recovery_script = self.get_script_fullpath(
53 self.fault_cfg['recovery_script'])
55 def inject_fault(self):
56 LOG.debug("%s starting inject!", self.key)
57 LOG.debug("the inject_script path:%s", self.inject_script)
58 if "action_parameter" in self._config:
61 self.actionParameter_config,
62 bool(self.connection),
63 self.intermediate_variables)
64 LOG.debug("the shell command is: %s", self.action_param)
65 with open(self.inject_script, "r") as stdin_file:
66 exit_status, stdout, stderr = self.connection.execute(
67 "sudo {}".format(self.action_param),
70 with open(self.inject_script, "r") as stdin_file:
71 exit_status, stdout, stderr = self.connection.execute(
75 LOG.debug("the inject_fault's exit status is: %s", exit_status)
77 LOG.debug("success,the inject_fault's output is: %s", stdout)
78 if "return_parameter" in self._config:
79 returnParameter = self._config['return_parameter']
80 for key, item in returnParameter.items():
81 value = read_stdout_item(stdout, key)
82 LOG.debug("intermediate variables %s: %s", item, value)
83 self.intermediate_variables[item] = value
86 "the inject_fault's error, stdout:%s, stderr:%s",
90 if "rollback_parameter" in self._config:
91 LOG.debug("the shell command is: %s", self.rollback_param)
92 with open(self.recovery_script, "r") as stdin_file:
93 exit_status, stdout, stderr = self.connection.execute(
94 "sudo {}".format(self.rollback_param),
97 with open(self.recovery_script, "r") as stdin_file:
98 exit_status, stdout, stderr = self.connection.execute(