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#!/usr/bin/python
#
# check_remote_host.py -- nagios plugin uses Mklivestatus to get the overall
# status
# of a host. The services considered by default for the status of the host
# are -
# 1. LV/Inode Service status
# 2. CPU Utilization
# 3. Memory Utilization
# 4. Network Utilization
# 5. Swap Utilization
#
# 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 sys
import getopt
import json
import livestatus
from glusternagios import utils
# Method to execute livestatus
def checkLiveStatus(hostAddr, srvc):
cmd = "GET services\nColumns: state\nFilter: " \
"description = %s\n" \
"Filter: host_address = %s" % (srvc, hostAddr)
table = livestatus.readLiveStatus(cmd)
if len(table) > 0 and len(table[0]) > 0:
return int(table[0][0])
else:
return utils.PluginStatusCode.UNKNOWN
def _getHostMonitoringSrvcList():
srvc_list = []
with open("@hostmonitoringserviceslist@") as data_file:
srvc_list = json.load(data_file)['serviceList']
return srvc_list
# Method to show the usage
def showUsage():
usage = "Usage: %s -H <Host Address>\n" % os.path.basename(sys.argv[0])
sys.stderr.write(usage)
# Main method
if __name__ == "__main__":
try:
opts, args = getopt.getopt(sys.argv[1:], "hH:", ["help", "host="])
except getopt.GetoptError as e:
print (str(e))
showUsage()
sys.exit(utils.PluginStatusCode.CRITICAL)
hostAddr = ''
if len(opts) == 0:
showUsage()
sys.exit(utils.PluginStatusCode.CRITICAL)
else:
for opt, arg in opts:
if opt in ("-h", "--help"):
showUsage()
sys.exit()
elif opt in ("-H", "--host"):
hostAddr = arg
else:
showUsage()
sys.exit(utils.PluginStatusCode.CRITICAL)
# Calculate the consolidated status for the host based on above
# status of individual services
criticalSrvcs = []
for srvc in _getHostMonitoringSrvcList():
srvc_status = checkLiveStatus(hostAddr, srvc)
if srvc_status == utils.PluginStatusCode.CRITICAL:
criticalSrvcs.append(str(srvc))
# Return the status
if len(criticalSrvcs) > 0:
print "Host Status %s - Service(s) %s in CRITICAL state" % \
(utils.PluginStatus.WARNING, criticalSrvcs)
sys.exit(utils.PluginStatusCode.WARNING)
print "Host Status %s - Services in good health" % \
utils.PluginStatus.OK
sys.exit(utils.PluginStatusCode.OK)
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