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Little additions to check_rhcs (mostly safeguards) #27

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Little additions to check_rhcs (mostly safeguards) #27

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ca07c14
Corrected a CRITICAL state returned as 1 (WARNING state from nagios POV)
zwindler Dec 4, 2016
77be9cb
Added a safeguard and print usage when no argument given
zwindler Dec 4, 2016
fbd1392
Added info about bug in RHCS for RHEL 5
zwindler Dec 4, 2016
d9e89bc
Small tab vs space issue. All spaces now
zwindler Dec 4, 2016
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38 changes: 26 additions & 12 deletions check_rhcs/check_rhcs → check_rhcs/check_rhcs.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,4 @@
#!/bin/env python

#
# Gather the cluster state and the current node state
#
# Output example:
Expand All @@ -23,6 +21,14 @@
#</clustat>
#
# Frank Clements <frank @ sixthtoe.net>
#
# INFO : In RHEL 5, there is a bug in clustat preventing non-root users to use
# clustat. See https://bugzilla.redhat.com/show_bug.cgi?id=531273
# You might need to use setuid on clustat to change this if rgmanager cannot be
# upgraded to 3.0.7+
# $chown root:nagios /usr/sbin/clustat
# $chmod u+s /usr/sbin/clustat


import xml.dom.minidom
import os
Expand Down Expand Up @@ -112,6 +118,7 @@ def main():
sys.exit(2)

check_suspend = False
typeCheck = None
for o, a in opts:
if o in ('-c', '--cluster'):
typeCheck = 'cluster'
Expand All @@ -124,6 +131,10 @@ def main():
usage()
sys.exit()

if typeCheck == None:
usage()
sys.exit()

try:
clustatOutput = os.popen('/usr/sbin/clustat -fx')
dom = xml.dom.minidom.parse(clustatOutput)
Expand All @@ -133,7 +144,7 @@ def main():
if typeCheck == 'cluster':

# First we query for the state of the cluster itself.
# Should it be found tha the cluste ris not quorate we alert and exit immediately
# Should it be found that the cluster is not quorate we alert and exit immediately
cluster = getClusterName(dom)
qState = getQuorumState(dom)

Expand All @@ -145,15 +156,18 @@ def main():
# Now we find the status of the local node from clustat.
# We only care about the local state since this way we can tie the alert to the host.
nodeStates = getLocalNodeState(dom)
if nodeStates['state'] != "1":
print "WARNING: Local node state is offline!"
sys.exit(1)
elif nodeStates['rgmanager'] != "1":
print "CRITICAL: RGManager service not running on " + nodeStates['name'] + "!"
sys.exit(1)
else:
print "OK: Cluster node " + nodeStates['name'] + " is online and cluster is quorate."
sys.exit(0)
if nodeStates == {}:
print "UNKNOWN: Local node informations couldn't be found!"
sys.exit(3)
if nodeStates['state'] != "1":
print "WARNING: Local node state is offline!"
sys.exit(1)
elif nodeStates['rgmanager'] != "1":
print "CRITICAL: RGManager service not running on " + nodeStates['name'] + "!"
sys.exit(2)
else:
print "OK: Cluster node " + nodeStates['name'] + " is online and cluster is quorate."
sys.exit(0)

elif typeCheck == 'service':
serviceState = getServiceState(dom, serviceName)
Expand Down