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
|
#!/usr/bin/python
# Copyright (C) 2014 Red Hat Inc
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
import sys
import errno
import socket
import psutil
import nscautils
import glusternagios
from glusternagios import utils
from glusternagios import glustercli
_checkProc = utils.CommandPath('check_proc',
'/usr/lib64/nagios/plugins/check_procs')
_glusterVolPath = "/var/lib/glusterd/vols"
_checkNfsCmd = [_checkProc.cmd, "-c", "1:", "-C", "glusterfs", "-a", "nfs"]
_checkShdCmd = [_checkProc.cmd, "-c", "1:", "-C", "glusterfs", "-a",
"glustershd"]
_checkSmbCmd = [_checkProc.cmd, "-C", "smb"]
_checkQuotaCmd = [_checkProc.cmd, "-c", "1:", "-C", "glusterfs", "-a",
"quotad"]
_checkBrickCmd = [_checkProc.cmd, "-C", "glusterfsd"]
_checkGlusterdCmd = [_checkProc.cmd, "-c", "1:", "-w", "1:1", "-C", "glusterd"]
_nfsService = "Glusterfs NFS Daemon"
_shdService = "Glusterfs Self-Heal Daemon"
_smbService = "CIFS"
_brickService = "Brick Status - "
_glusterdService = "Gluster Management Daemon"
_quotadService = "Gluster Quota Daemon"
def sendBrickStatus(hostName, volInfo):
hostUuid = glustercli.hostUUIDGet()
status = None
for volumeName, volumeInfo in volInfo.iteritems():
if volumeInfo['volumeStatus'] == glustercli.VolumeStatus.OFFLINE:
continue
for brick in volumeInfo['bricksInfo']:
if brick.get('hostUuid') != hostUuid:
continue
brickService = "Brick Status - %s" % brick['name']
pidFile = brick['name'].replace(
":/", "-").replace("/", "-") + ".pid"
try:
with open("%s/%s/run/%s" % (
_glusterVolPath, volumeName, pidFile)) as f:
if psutil.pid_exists(int(f.read().strip())):
status = utils.PluginStatusCode.OK
else:
status = utils.PluginStatusCode.CRITICAL
except IOError, e:
if e.errno == errno.ENOENT:
status = utils.PluginStatusCode.CRITICAL
else:
status = utils.PluginStatusCode.UNKNOWN
msg = "UNKNOWN: Brick %s: %s" % (brick['name'], str(e))
finally:
if status == utils.PluginStatusCode.OK:
msg = "OK: Brick %s" % brick['name']
elif status != utils.PluginStatusCode.UNKNOWN:
msg = "CRITICAL: Brick %s is down" % brick['name']
nscautils.send_to_nsca(hostName, brickService, status, msg)
def sendNfsStatus(hostName, volInfo):
# if nfs is already running we need not to check further
status, msg, error = utils.execCmd(_checkNfsCmd)
if status == utils.PluginStatusCode.OK:
nscautils.send_to_nsca(hostName, _nfsService, status, msg)
return
# if nfs is not running and any of the volume uses nfs
# then its required to alert the user
for volume, volumeInfo in volInfo.iteritems():
if volumeInfo['volumeStatus'] == glustercli.VolumeStatus.OFFLINE:
continue
nfsStatus = volumeInfo.get('options', {}).get('nfs.disable', 'off')
if nfsStatus == 'off':
msg = "CRITICAL: Process glusterfs-nfs is not running"
status = utils.PluginStatusCode.CRITICAL
break
else:
msg = "OK: No gluster volume uses nfs"
status = utils.PluginStatusCode.OK
nscautils.send_to_nsca(hostName, _nfsService, status, msg)
def sendSmbStatus(hostName, volInfo):
status, msg, error = utils.execCmd(_checkSmbCmd)
if status == utils.PluginStatusCode.OK:
nscautils.send_to_nsca(hostName, _smbService, status, msg)
return
# if smb is not running and any of the volume uses smb
# then its required to alert the use
for k, v in volInfo.iteritems():
cifsStatus = v.get('options', {}).get('user.cifs', '')
smbStatus = v.get('options', {}).get('user.smb', '')
if cifsStatus == 'disable' or smbStatus == 'disable':
msg = "CRITICAL: Process smb is not running"
status = utils.PluginStatusCode.CRITICAL
break
else:
msg = "OK: No gluster volume uses smb"
status = utils.PluginStatusCode.OK
nscautils.send_to_nsca(hostName, _smbService, status, msg)
def sendQuotadStatus(hostName, volInfo):
# if quota is already running we need not to check further
status, msg, error = utils.execCmd(_checkQuotaCmd)
if status == utils.PluginStatusCode.OK:
nscautils.send_to_nsca(hostName, _quotadService, status, msg)
return
# if quota is not running and any of the volume uses quota
# then the quotad process should be running in the host
for k, v in volInfo.iteritems():
quotadStatus = v.get('options', {}).get('features.quota', '')
if quotadStatus == 'on':
msg = "CRITICAL: Process quotad is not running"
utils.PluginStatusCode.CRITICAL
break
else:
msg = "OK: Quota not enabled"
status = utils.PluginStatusCode.OK
nscautils.send_to_nsca(hostName, _quotadService, status, msg)
def sendShdStatus(hostName, volInfo):
status, msg, error = utils.execCmd(_checkShdCmd)
if status == utils.PluginStatusCode.OK:
nscautils.send_to_nsca(hostName, _shdService, status, msg)
return
hostUuid = glustercli.hostUUIDGet()
for volumeName, volumeInfo in volInfo.iteritems():
if volumeInfo['volumeStatus'] == glustercli.VolumeStatus.OFFLINE:
continue
if hasBricks(hostUuid, volumeInfo['bricksInfo']) and \
int(volumeInfo['replicaCount']) > 1:
status = utils.PluginStatusCode.CRITICAL
msg = "CRITICAL: Gluster Self Heal Daemon not running"
break
else:
msg = "OK: Process Gluster Self Heal Daemon"
status = utils.PluginStatusCode.OK
nscautils.send_to_nsca(hostName, _shdService, status, msg)
def hasBricks(hostUuid, bricks):
for brick in bricks:
if brick['hostUuid'] == hostUuid:
return True
return False
if __name__ == '__main__':
hostName = nscautils.getCurrentHostNameInNagiosServer()
if not hostName:
hostName = socket.getfqdn()
if hostName == "localhost.localdomain" or hostName == "localhost":
sys.stderr.write("failed to find localhost fqdn")
### service check ###
status, msg, error = utils.execCmd(_checkGlusterdCmd)
nscautils.send_to_nsca(hostName, _glusterdService, status, msg)
# Get the volume status only if glusterfs is running to avoid
# unusual delay
if status != utils.PluginStatusCode.OK:
sys.exit(status)
try:
volInfo = glustercli.volumeInfo()
except glusternagios.glustercli.GlusterCmdFailedException as e:
sys.exit(utils.PluginStatusCode.UNKNOWN)
sendNfsStatus(hostName, volInfo)
sendSmbStatus(hostName, volInfo)
sendShdStatus(hostName, volInfo)
sendQuotadStatus(hostName, volInfo)
sendBrickStatus(hostName, volInfo)
sys.exit(utils.PluginStatusCode.OK)
|
