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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
#!/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 os
import errno
from glusternagios import utils
from glusternagios import glustercli
from glusternagios import storage
_checkProc = utils.CommandPath('check_proc',
'/usr/lib64/nagios/plugins/check_procs')
_chkConfig = utils.CommandPath('chkconfig',
'/sbin/chkconfig', '/usr/sbin/chkconfig')
_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", "1:", "-C", "smbd"]
_checkQuotaCmd = [_checkProc.cmd, "-c", "1:", "-C", "glusterfs", "-a",
"quotad"]
_checkBrickCmd = [_checkProc.cmd, "-C", "glusterfsd"]
_checkGlusterdCmd = [_checkProc.cmd, "-c", "1:", "-w", "1:1", "-C", "glusterd"]
_checkCtdbCmd = [_checkProc.cmd, "-c", "1:", "-C", "ctdbd"]
_chkConfigCtdb = [_chkConfig.cmd, "ctdb"]
checkIdeSmartCmdPath = utils.CommandPath(
'check_ide_smart', '/usr/lib64/nagios/plugins/check_ide_smart')
class CtdbNodeStatus:
OK = 'OK'
UNHEALTHY = 'UNHEALTHY'
PARTIALLYONLINE = 'PARTIALLYONLINE'
DISABLED = 'DISABLED'
def _pidExists(pid):
if type(pid) is int and pid > 0:
return os.path.exists("/proc/%s" % pid)
else:
raise ValueError("invalid pid :%s" % pid)
def getBrickStatus(volumeName, brickName):
status = None
brickPath = brickName.split(':')[1]
pidFile = brickName.replace(":/", "-").replace("/", "-") + ".pid"
try:
with open("%s/%s/run/%s" % (
_glusterVolPath, volumeName, pidFile)) as f:
try:
if _pidExists(int(f.read().strip())):
status = utils.PluginStatusCode.OK
brickDevice = storage.getBrickDeviceName(brickPath)
disk = storage.getDisksForBrick(brickDevice)
cmd = [checkIdeSmartCmdPath.cmd, "-d", disk, "-n"]
rc, out, err = utils.execCmd(cmd)
if rc == utils.PluginStatusCode.CRITICAL and \
"tests failed" in out[0]:
status = utils.PluginStatusCode.WARNING
msg = "WARNING: Brick %s: %s" % (brickPath, out[0])
else:
status = utils.PluginStatusCode.CRITICAL
except ValueError as e:
status = utils.PluginStatusCode.CRITICAL
msg = "Invalid pid of brick %s: %s" % (brickPath,
str(e))
return status, msg
except IOError as e:
if e.errno == errno.ENOENT:
status = utils.PluginStatusCode.CRITICAL
else:
status = utils.PluginStatusCode.UNKNOWN
msg = "UNKNOWN: Brick %s: %s" % (brickPath, str(e))
finally:
if status == utils.PluginStatusCode.OK:
msg = "OK: Brick %s is up" % brickPath
elif status == utils.PluginStatusCode.CRITICAL:
msg = "CRITICAL: Brick %s is down" % brickPath
return status, msg
def getNfsStatus(volInfo):
# if nfs is already running we need not to check further
status, msg, error = utils.execCmd(_checkNfsCmd)
if status == utils.PluginStatusCode.OK:
return status, "Process glusterfs-nfs is running"
# 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
return status, msg
def getCtdbStatus(smbStatus, nfsStatus):
# If SMB/NFS is not running, then skip ctdb check
if smbStatus != utils.PluginStatusCode.OK and \
nfsStatus != utils.PluginStatusCode.OK:
return (utils.PluginStatusCode.OK,
"CTDB ignored as SMB and NFS are not running")
status, msg, error = utils.execCmd(_checkCtdbCmd)
if status != utils.PluginStatusCode.OK:
status, msg, error = utils.execCmd(_chkConfigCtdb)
if status == utils.PluginStatusCode.OK:
return (utils.PluginStatusCode.CRITICAL,
"CTDB process is not running")
return utils.PluginStatusCode.UNKNOWN, "CTDB not configured"
# 'cdtb nodestatus' command will return the output in following format
#
# pnn:0 host_ip_address OK (THIS NODE)
#
# Possible states are -
# Ok,Disconnected,Banned,Disabled,Unhealthy,Stopped,Inactive,
# PartiallyOnline
# And combinations of them like
# pnn:0 host_ip_address BANNED|INACTIVE(THIS NODE)
#
# UNHEALTHY/DISABLED/PARTIALLYONLINE - node is partially operational
# Any other state - node in not operational
status, msg, error = utils.execCmd(['ctdb', 'nodestatus'])
if len(msg) > 0:
message = msg[0].split()
if len(message) >= 2:
msg = "Node status: %s" % message[2]
if CtdbNodeStatus.OK in message[2]:
status = utils.PluginStatusCode.OK
elif (CtdbNodeStatus.UNHEALTHY in message[2] or
CtdbNodeStatus.PARTIALLYONLINE in message[2] or
CtdbNodeStatus.DISABLED in message[2]):
status = utils.PluginStatusCode.WARNING
else:
status = utils.PluginStatusCode.CRITICAL
else:
status = utils.PluginStatusCode.UNKNOWN
return status, msg
def getSmbStatus(volInfo):
status, msg, error = utils.execCmd(_checkSmbCmd)
if status == utils.PluginStatusCode.OK:
return status, "Process smb is running"
# if smb is not running and any of the volume uses smb
# then its required to alert the user
for volume, volumeInfo in volInfo.iteritems():
if volumeInfo['volumeStatus'] == glustercli.VolumeStatus.OFFLINE:
continue
cifsStatus = volumeInfo.get('options', {}).get('user.cifs', 'enable')
smbStatus = volumeInfo.get('options', {}).get('user.smb', 'enable')
if cifsStatus == 'enable' and smbStatus == 'enable':
msg = "CRITICAL: Process smb is not running"
status = utils.PluginStatusCode.CRITICAL
break
else:
msg = "OK: No gluster volume uses smb"
status = utils.PluginStatusCode.OK
return status, msg
def getQuotadStatus(volInfo):
# if quota is already running we need not to check further
status, msg, error = utils.execCmd(_checkQuotaCmd)
if status == utils.PluginStatusCode.OK:
return status, "Process quotad is running"
# if quota is not running and any of the volume uses quota
# then the quotad process should be running in the host
for volume, volumeInfo in volInfo.iteritems():
if volumeInfo['volumeStatus'] == glustercli.VolumeStatus.OFFLINE:
continue
quotadStatus = volumeInfo.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
return status, msg
def getShdStatus(volInfo):
status, msg, error = utils.execCmd(_checkShdCmd)
if status == utils.PluginStatusCode.OK:
return status, "Gluster Self Heal Daemon is running"
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
return status, msg
def getGlusterdStatus():
status, msg, error = utils.execCmd(_checkGlusterdCmd)
if status == utils.PluginStatusCode.OK:
return status, "Process glusterd is running"
elif status == utils.PluginStatusCode.CRITICAL:
return status, "Process glusterd is not running"
return status, msg[0] if len(msg) > 0 else ""
def hasBricks(hostUuid, bricks):
for brick in bricks:
if brick['hostUuid'] == hostUuid:
return True
return False
|