1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd. and others
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from __future__ import absolute_import
import logging
import subprocess
import traceback
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios.availability.attacker.baseattacker import \
BaseAttacker
LOG = logging.getLogger(__name__)
def _execute_shell_command(command, stdin=None):
"""execute shell script with error handling"""
exitcode = 0
output = []
try:
output = subprocess.check_output(command, stdin=stdin, shell=True)
except Exception:
exitcode = -1
output = traceback.format_exc()
LOG.error("exec command '%s' error:\n ", command)
LOG.error(traceback.format_exc())
return exitcode, output
class BaremetalAttacker(BaseAttacker):
__attacker_type__ = 'bare-metal-down'
def setup(self):
LOG.debug("config:%s context:%s", self._config, self._context)
host = self._context.get(self._config['host'], None)
ip = host.get("ip", None)
user = host.get("user", "root")
ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
key_filename = host.get("key_filename", "~/.ssh/id_rsa")
self.connection = ssh.SSH(user, ip, key_filename=key_filename,
port=ssh_port)
self.connection.wait(timeout=600)
LOG.debug("ssh host success!")
self.host_ip = ip
self.ipmi_ip = host.get("ipmi_ip", None)
self.ipmi_user = host.get("ipmi_user", "root")
self.ipmi_pwd = host.get("ipmi_pwd", None)
self.fault_cfg = BaseAttacker.attacker_cfgs.get('bare-metal-down')
self.check_script = self.get_script_fullpath(
self.fault_cfg['check_script'])
self.recovery_script = self.get_script_fullpath(
self.fault_cfg['recovery_script'])
if self.check():
self.setup_done = True
def check(self):
with open(self.check_script, "r") as stdin_file:
exit_status, stdout, stderr = self.connection.execute(
"/bin/sh -s {0} -W 10".format(self.host_ip),
stdin=stdin_file)
LOG.debug("check ret: %s out:%s err:%s",
exit_status, stdout, stderr)
if not stdout or "running" not in stdout:
LOG.info("the host (ipmi_ip:%s) is not running!", self.ipmi_ip)
return False
return True
def inject_fault(self):
exit_status, stdout, stderr = self.connection.execute(
"shutdown -h now")
LOG.debug("inject fault ret: %s out:%s err:%s",
exit_status, stdout, stderr)
if not exit_status:
LOG.info("inject fault success")
def recover(self):
jump_host_name = self._config.get("jump_host", None)
self.jump_connection = None
if jump_host_name is not None:
host = self._context.get(jump_host_name, None)
ip = host.get("ip", None)
user = host.get("user", "root")
ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
pwd = host.get("pwd", None)
LOG.debug("jump_host ip:%s user:%s", ip, user)
self.jump_connection = ssh.SSH(user, ip, password=pwd,
port=ssh_port)
self.jump_connection.wait(timeout=600)
LOG.debug("ssh jump host success!")
if self.jump_connection is not None:
with open(self.recovery_script, "r") as stdin_file:
exit_status, stdout, stderr = self.jump_connection.execute(
"/bin/bash -s {0} {1} {2} {3}".format(
self.ipmi_ip, self.ipmi_user, self.ipmi_pwd, "on"),
stdin=stdin_file)
else:
exit_status, stdout = _execute_shell_command(
"/bin/bash -s {0} {1} {2} {3}".format(
self.ipmi_ip, self.ipmi_user, self.ipmi_pwd, "on"),
stdin=open(self.recovery_script, "r"))
def _test(): # pragma: no cover
host = {
"ipmi_ip": "10.20.0.5",
"ipmi_user": "root",
"ipmi_pwd": "123456",
"ip": "10.20.0.5",
"user": "root",
"key_filename": "/root/.ssh/id_rsa"
}
context = {"node1": host}
attacker_cfg = {
'fault_type': 'bear-metal-down',
'host': 'node1',
}
ins = BaremetalAttacker(attacker_cfg, context)
ins.setup()
ins.inject_fault()
if __name__ == '__main__': # pragma: no cover
_test()
|