emma/nagios-plugin-check-rabbitmq
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Added new checks.

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Reworked so that methods return the message and state code
This commit is contained in:
Mike Shoup 2015-04-29 08:47:34 -06:00
parent 06a3d48863
commit f247cf0b05
1 changed files with 76 additions and 17 deletions
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93
check_rabbitmq.py
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@ -44,14 +44,16 @@ class RabbitAPIChecker(object):
try: try:
if result[alarm]: if result[alarm]:
print "CRITICAL - %s triggered for %s" % (alarm, node) message = "CRITICAL - %s triggered for %s" % (alarm, node)
return self.STATE_CRITICAL state_code = self.STATE_CRITICAL
else: else:
print "OK - %s is not triggered for %s" % (alarm, node) message = "OK - %s is not triggered for %s" % (alarm, node)
return self.STATE_OK state_code = self.STATE_OK
except KeyError: except KeyError:
print "UNKNOWN - %s is not a valid alarm for %s" % (alarm, node) message = "UNKNOWN - %s is not a valid alarm for %s" % (alarm, node)
return self.STATE_UNKNOWN state_code = self.STATE_UNKNOWN
return (message, state_code)
def check_sockets(self, args, critical=90, warning=80): def check_sockets(self, args, critical=90, warning=80):
"""Checks the percentage of sockets used""" """Checks the percentage of sockets used"""
@ -64,14 +66,63 @@ class RabbitAPIChecker(object):
100 * float(result['sockets_used']) / result['sockets_total']) 100 * float(result['sockets_used']) / result['sockets_total'])
if per_sockets_used >= critical: if per_sockets_used >= critical:
print "CRITICAL - %d%% sockets in use" % per_sockets_used message = "CRITICAL - %d%% of sockets in use" % per_sockets_used
return self.STATE_CRITICAL state_code = self.STATE_CRITICAL
elif per_sockets_used >= warning: elif per_sockets_used >= warning:
print "WARNING - %d%% sockets in use" % per_sockets_used message = "WARNING - %d%% of sockets in use" % per_sockets_used
return self.STATE_WARNING state_code = self.STATE_WARNING
else:
message = "OK - %d%% of sockets in use" % per_sockets_used
state_code = self.STATE_OK
print "OK - %d%% sockets in use" % per_sockets_used return (message,state_code)
return self.STATE_OK
def check_fd(self, args, critical=90, warning=80):
"""Checks the percentage of file descriptors used"""
node = args[1]
url = "http://%s:%s/api/nodes/%s" % (self.hostname, self.port, node)
result = self.fetch_from_api(url)
per_fd_used = math.ceil(
100 * float(result['fd_used']) / result['fd_total'])
if per_fd_used >= critical:
message = "CRITICAL - %d%% of file descriptors in use" % per_fd_used
state_code = self.STATE_CRITICAL
elif per_fd_used >= warning:
message = "WARNING - %d%% of file descriptors in use" % per_fd_used
state_code = self.STATE_WARNING
else:
message = "OK - %d%% of file descriptors in use" % per_fd_used
state_code = self.STATE_OK
return (message,state_code)
def check_nodes(self, args=None, critical=2, warning=1):
""" Checks if all nodes on the cluster are running"""
url = "http://%s:%s/api/nodes" % (self.hostname, self.port)
results = self.fetch_from_api(url)
nodes_not_running = []
message = "OK - All nodes are running"
state_code = self.STATE_OK
for node in results:
if not node['running']:
nodes_not_running.append(node['name'])
if len(nodes_not_running) >= critical:
message = "CRITICAL - Found nodes not running (%s)" % (
", ".join(nodes_not_running))
state_code = self.STATE_CRITICAL
elif len(nodes_not_running) >= warning:
message = "WARNING - Found nodes not running (%s)" % (
", ".join(nodes_not_running))
state_code = self.STATE_WARNING
return (message, state_code)
def fetch_from_api(self, url): def fetch_from_api(self, url):
"""Calls the API and processes the JSON result.""" """Calls the API and processes the JSON result."""
@ -86,6 +137,7 @@ class RabbitAPIChecker(object):
http_result.close() http_result.close()
return json_result return json_result
def main(): def main():
"""Main entry point for program""" """Main entry point for program"""
usage = "%prog [options] -H|--hostname HOST ACTION" usage = "%prog [options] -H|--hostname HOST ACTION"
@ -116,17 +168,21 @@ def main():
# Define actions available, will be found in args[0] # Define actions available, will be found in args[0]
actions = {'mem_alarm': checker.check_triggered_alarm, actions = {'mem_alarm': checker.check_triggered_alarm,
'disk_free_alarm': checker.check_triggered_alarm, 'disk_free_alarm': checker.check_triggered_alarm,
'sockets_used': checker.check_sockets} 'check_sockets': checker.check_sockets,
'check_fd': checker.check_fd,
'check_nodes': checker.check_nodes}
try: try:
if options.critical and options.warning: if options.critical and options.warning:
actions[args[0]](args[0:], options.critical, options.warning) (message,state_code) = actions[args[0]](
args[0:], options.critical, options.warning)
elif options.critical: elif options.critical:
actions[args[0]](args[0:], options.critical) (message,state_code) = actions[args[0]](args[0:], options.critical)
elif options.warning: elif options.warning:
actions[args[0]](args[0:], warning=options.warning) (message,state_code) = actions[args[0]](
args[0:], warning=options.warning)
else: else:
actions[args[0]](args[0:]) (message,state_code) = actions[args[0]](args[0:])
except KeyError: except KeyError:
print "UNKNOWN - %s is not a valid action" % args[0] print "UNKNOWN - %s is not a valid action" % args[0]
return RabbitAPIChecker.STATE_UNKNOWN return RabbitAPIChecker.STATE_UNKNOWN
@ -137,5 +193,8 @@ def main():
print "UNKNOWN - %s requires one or more options" % args[0] print "UNKNOWN - %s requires one or more options" % args[0]
return RabbitAPIChecker.STATE_UNKNOWN return RabbitAPIChecker.STATE_UNKNOWN
print message
return state_code
if __name__ == "__main__": if __name__ == "__main__":
exit(main()) exit(main())