-
Notifications
You must be signed in to change notification settings - Fork 47
/
check_processes_by_ssh.py
executable file
·208 lines (167 loc) · 7.08 KB
/
check_processes_by_ssh.py
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
#!/usr/bin/env python2
# Copyright (C) 2013:
# Gabes Jean, [email protected]
# Pasche Sebastien, [email protected]
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
'''
This script is a check for lookup at memory consumption over ssh without
having an agent on the other side
'''
import os
import sys
import optparse
import base64
import subprocess
# Ok try to load our directory to load the plugin utils.
my_dir = os.path.dirname(__file__)
sys.path.insert(0, my_dir)
try:
import schecks
except ImportError:
print "ERROR : this plugin needs the local schecks.py lib. Please install it"
sys.exit(2)
VERSION = "0.1"
DEFAULT_WARNING = '100'
DEFAULT_CRITICAL = '200'
def get_processes(client):
# We are looking for a line like
#(nap,7320,3384,0.0) /bin/bash
# Beware of the export!
raw = r"""ps ax -o user,vsz,rss,pcpu,command --columns 10000 | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /'"""
stdin, stdout, stderr = client.exec_command('export LC_LANG=C && unset LANG && %s' % raw)
pss = []
for line in stdout:
line = line.strip()
# If the line is void, pass it
if not line:
continue
# We should get the (user,vsz,rss,pcpu) command format
# We remove the first ()
line = line[1:]
meta, cmd = line.split(')', 1)
# We should remove all kernel based process, we don't care about them
cmd = cmd.strip()
if cmd.startswith('['):
continue
user,vsz,rss,pcpu = meta.split(',')
vsz = int(vsz)
rss = int(rss)
pcpu = int(float(pcpu))
pss.append( (user, vsz, rss, pcpu, cmd) )
# Before return, close the client
client.close()
return pss
parser = optparse.OptionParser(
"%prog [options]", version="%prog " + VERSION)
parser.add_option('-H', '--hostname',
dest="hostname", help='Hostname to connect to')
parser.add_option('-p', '--port',
dest="port", type="int", default=22,
help='SSH port to connect to. Default : 22')
parser.add_option('-i', '--ssh-key',
dest="ssh_key_file",
help='SSH key file to use. By default will take ~/.ssh/id_rsa.')
parser.add_option('-u', '--user',
dest="user", help='remote use to use. By default shinken.')
parser.add_option('-P', '--passphrase',
dest="passphrase", help='SSH key passphrase. By default will use void')
parser.add_option('-w', '--warning',
dest="warning",
help='Warning value for RSS used memory. In MB. Default : 100')
parser.add_option('-c', '--critical',
dest="critical",
help='Critical value for RSS used memory. In MB. Must be superior to '
'warning value. Default : 200')
# Specific parameters
parser.add_option('-C', '--command',
dest="command", help='Command name to match for the check')
parser.add_option('-S', '--sum', action='store_true',
dest="sum_all", help='Sum all consomtion of matched processes for the check')
if __name__ == '__main__':
# Ok first job : parse args
opts, args = parser.parse_args()
if args:
parser.error("Does not accept any argument.")
port = opts.port
hostname = opts.hostname or ''
command = opts.command
# Look if we need to sum all value from the process match or not
sum_all = opts.sum_all
if sum_all and not command:
print "Error: the sum option is only valid with a -C option"
sys.exit(2)
ssh_key_file = opts.ssh_key_file or os.path.expanduser('~/.ssh/id_rsa')
user = opts.user or 'shinken'
passphrase = opts.passphrase or ''
# Try to get numeic warning/critical values
s_warning = opts.warning or DEFAULT_WARNING
s_critical = opts.critical or DEFAULT_CRITICAL
warning, critical = schecks.get_warn_crit(s_warning, s_critical)
# Ok now connect, and try to get values for memory
client = schecks.connect(hostname, port, ssh_key_file, passphrase, user)
pss = get_processes(client)
# Maybe we failed at getting data
if not pss:
print "Error : cannot fetch processes values from host"
sys.exit(2)
perfdata = ''
status = 0 # all is green until it is no more ok :)
bad_processes = []
global_sum = 0
for ps in pss:
(user, vsz, rss, pcpu, cmd) = ps
# Look if the cmd match out command filter
if command and command not in cmd:
continue
#perfdata += '"%s_used_pct"=%s%%;%s%%;%s%%;0%%;100%% "%s_used"=%s;%s;%s;0;%s ' % (mount, used_pct, warning, critical, mount, used, _size_warn, _size_crit, size)
# If we sum all, we will look at the comparision later
if sum_all:
global_sum += rss
continue
# And compare to limits
if rss >= critical*1024:
status = 2
bad_processes.append( (cmd, rss) )
continue
if rss >= warning*1024:
if status == 0:
status = 1
bad_processes.append( (cmd, rss) )
if not sum_all:
if status == 0:
print "Ok: all processes are in the limits | %s" % (perfdata)
sys.exit(0)
if status == 1:
print "Warning: some processes are not good : %s | %s" % (', '.join( ["%s:%dMB" % (cmd.split(' ')[0], float(rss)/1024) for (cmd, rss) in bad_processes]), perfdata)
sys.exit(1)
if status == 2:
print "Critical: some processes are not good : %s | %s" % (', '.join( ["%s:%dMB" % (cmd.split(' ')[0], float(rss)/1024) for (cmd, rss) in bad_processes]), perfdata)
sys.exit(2)
# Ok here we are in sum_all
perfdata = '"%s_consumtion"=%dMB' % (command, float(global_sum)/1024)
if global_sum >= critical*1024:
print 'Critical: the processes %s are too high %dMB | %s' % (command, float(global_sum)/1024, perfdata)
sys.exit(2)
if global_sum >= warning*1024:
print "Warning: the processes %s are too high %dMB | %s" % (command, float(global_sum)/1024, perfdata)
sys.exit(1)
print "OK: the processes %s are good %dMB | %s" % (command, float(global_sum)/1024, perfdata)
sys.exit(0)