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gitlab_nrpe_check.py
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gitlab_nrpe_check.py
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#!/usr/bin/env python
import urllib2
import argparse
import json
import logging as log
# Nagios Exit Codes
# 0 OK
NAGIOS_OK_EXIT_CODE = 0
# 1 WARNING
# NAGIOS_WARNING_EXIT_CODE = 1
# 2 CRITICAL
NAGIOS_CRITICAL_EXIT_CODE = 2
# 3 UNKNOWN
NAGIOS_UNKNOWN_EXIT_CODE = 3
def get_jsonparsed_data(url):
"""
Receive the content of url and return the object as JSON.
Parameters
----------
url : str
Returns
-------
dict
"""
try:
URL_REQUEST = urllib2.Request(url)
RESPONSE = urllib2.urlopen(URL_REQUEST)
except urllib2.URLError as e:
exit_gracefully(NAGIOS_UNKNOWN_EXIT_CODE,
e.reason)
data = RESPONSE.read().decode("utf-8")
return json.loads(data)
def exit_gracefully(exitcode, message=''):
""" Exit gracefully with exit code and (optional) message
Parameters
----------
exitcode : int
message : str (optional)
Returns
-------
exit
"""
log.debug('Exiting with status {0}. Message: {1}'.format(exitcode,
message))
if message:
print(message)
exit(exitcode)
def main():
""" Main routine """
parser = argparse.ArgumentParser(description='GitLab NRPE Check Plugin')
#
parser.add_argument('-H',
'--host',
help='Hostname or IP address of the Gitlab server.',
required=True)
parser.add_argument('-t',
'--token',
help='User token for the Gitlab server \
(deprecated in Gitlab 9.4 in favor of whitelisting).',
default='')
parser.add_argument('-x',
'--extended',
help='Provide extended output, when possible.',
action='store_true')
args = parser.parse_args()
base_url = 'http://{}'.format(args.host)
TOKEN_PROVIDED = (args.token)
EXTENDED = (args.extended)
GITLAB_URL = base_url + "/-/readiness"
if (TOKEN_PROVIDED != ''):
GITLAB_URL = GITLAB_URL+"?token="+str(TOKEN_PROVIDED)
MY_JSON = get_jsonparsed_data(GITLAB_URL)
FORMATTED_JSON = (json.dumps(MY_JSON,
indent=4,
sort_keys=True))
GITALY_CHECK = str(MY_JSON["gitaly_check"]
["status"])
if (GITALY_CHECK != "ok"):
if EXTENDED:
ERROR_MESSAGE = ("gitaly_check: " +
str(MY_JSON["gitaly_check"]
["status"] +
"\n" +
FORMATTED_JSON))
else:
ERROR_MESSAGE = ("gitaly_check: " +
str(MY_JSON["gitaly_check"]
["status"]))
exit_gracefully(NAGIOS_CRITICAL_EXIT_CODE,
ERROR_MESSAGE)
CACHE_CHECK = str(MY_JSON["cache_check"]
["status"])
if (CACHE_CHECK != "ok"):
if EXTENDED:
ERROR_MESSAGE = ("cache_check: " +
str(MY_JSON["cache_check"]
["status"] +
"\n" +
FORMATTED_JSON))
else:
ERROR_MESSAGE = ("cache_check: " +
str(MY_JSON["cache_check"]
["status"]))
exit_gracefully(NAGIOS_CRITICAL_EXIT_CODE,
ERROR_MESSAGE)
#
DB_CHECK = str(MY_JSON["db_check"]
["status"])
if (DB_CHECK != "ok"):
if EXTENDED:
ERROR_MESSAGE = ("db_check: " +
str(MY_JSON["db_check"]
["status"] +
"\n" +
FORMATTED_JSON))
else:
ERROR_MESSAGE = ("db_check: " +
str(MY_JSON["db_check"]
["status"]))
exit_gracefully(NAGIOS_CRITICAL_EXIT_CODE,
ERROR_MESSAGE)
REDIS_CHECK = str(MY_JSON["redis_check"]
["status"])
if (REDIS_CHECK != "ok"):
if EXTENDED:
ERROR_MESSAGE = ("redis_check: " +
str(MY_JSON["redis_check"]
["status"] +
"\n" +
FORMATTED_JSON))
else:
ERROR_MESSAGE = ("redis_check: " +
str(MY_JSON["redis_check"]
["status"]))
exit_gracefully(NAGIOS_CRITICAL_EXIT_CODE,
ERROR_MESSAGE)
QUEUES_CHECK = str(MY_JSON["queues_check"]
["status"])
if (QUEUES_CHECK != "ok"):
if EXTENDED:
ERROR_MESSAGE = ("queues_check: " +
str(MY_JSON["queues_check"]
["status"] +
"\n" +
FORMATTED_JSON))
else:
ERROR_MESSAGE = ("queues_check: " +
str(MY_JSON["queues_check"]
["status"]))
exit_gracefully(NAGIOS_CRITICAL_EXIT_CODE,
ERROR_MESSAGE)
SHARED_STATE_CHECK = str(MY_JSON["shared_state_check"]
["status"])
if (SHARED_STATE_CHECK != "ok"):
if EXTENDED:
ERROR_MESSAGE = ("shared_state_check: " +
str(MY_JSON["shared_state_check"]
["status"] +
"\n" +
FORMATTED_JSON))
else:
ERROR_MESSAGE = ("shared_state_check: " +
str(MY_JSON["shared_state_check"]
["status"]))
exit_gracefully(NAGIOS_CRITICAL_EXIT_CODE,
ERROR_MESSAGE)
if EXTENDED:
ERROR_MESSAGE = ("all checks are ok" +
"\n" +
FORMATTED_JSON)
else:
ERROR_MESSAGE = ("all checks are ok")
exit_gracefully(NAGIOS_OK_EXIT_CODE,
ERROR_MESSAGE)
if (__name__ == "__main__"):
main()