plugin for nagios

check_elasticsearch_status.py

#!/usr/bin/python
import sys
import json
import requests
import argparse

parser = argparse.ArgumentParser()
parser.add_argument("-H",
                    help='name of elasticsearch host' )
args = parser.parse_args()
url = 'http://%s:9200/_cluster/health' %args.H
r = requests.get(url)
j = r.json()
cluster_status = j['status']
name = j['cluster_name']
if cluster_status == "green":
  stat = 'OK'
  message = 'cluster %s is OK' %name
elif cluster_status == "yellow":
  stat = 'WARN'
  message = 'cluster %s is WARN' %name
elif cluster_status == "red":
  stat = 'CRITICAL'
  message = 'cluster %s is CRITICAL' %name
print '%s - %s' % (stat, message)
if   stat == 'OK':
  raise SystemExit, 0
elif stat == 'WARNING':
  raise SystemExit, 1
elif stat == 'CRITICAL':
  raise SystemExit, 2
else:
  raise SystemExit, 3