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
|
##############################################################################
# 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
##############################################################################
import logging
import subprocess
import traceback
import yardstick.ssh as ssh
import basemonitor as basemonitor
LOG = logging.getLogger(__name__)
def _execute_shell_command(command):
'''execute shell script with error handling'''
exitcode = 0
output = []
try:
output = subprocess.check_output(command, 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 MonitorOpenstackCmd(basemonitor.BaseMonitor):
"""docstring for MonitorApi"""
__monitor_type__ = "openstack-cmd"
def setup(self):
self.connection = None
node_name = self._config.get("host", None)
if node_name:
host = self._context[node_name]
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.check_script = self.get_script_fullpath(
"ha_tools/check_openstack_cmd.bash")
self.cmd = self._config["command_name"]
def monitor_func(self):
exit_status = 0
if self.connection:
with open(self.check_script, "r") as stdin_file:
exit_status, stdout, stderr = self.connection.execute(
"/bin/bash -s '{0}'".format(self.cmd),
stdin=stdin_file)
LOG.debug("the ret stats: %s stdout: %s stderr: %s",
exit_status, stdout, stderr)
else:
exit_status, stdout = _execute_shell_command(self.cmd)
if exit_status:
return False
return True
def verify_SLA(self):
outage_time = self._result.get('outage_time', None)
LOG.debug("the _result:%s", self._result)
max_outage_time = self._config["sla"]["max_outage_time"]
if outage_time > max_outage_time:
LOG.info("SLA failure: %f > %f", outage_time, max_outage_time)
return False
else:
LOG.info("the sla is passed")
return True
def _test(): # pragma: no cover
host = {
"ip": "192.168.235.22",
"user": "root",
"key_filename": "/root/.ssh/id_rsa"
}
context = {"node1": host}
monitor_configs = []
config = {
'monitor_type': 'openstack-cmd',
'command_name': 'nova image-list',
'monitor_time': 1,
'host': 'node1',
'sla': {'max_outage_time': 5}
}
monitor_configs.append(config)
p = basemonitor.MonitorMgr()
p.init_monitors(monitor_configs, context)
p.start_monitors()
p.wait_monitors()
p.verify_SLA()
if __name__ == '__main__': # pragma: no cover
_test()
|
