Monitor Failed Jenkins Job

We use Jenkins quite differently :) ( I will write it the use case later ) , And although the Jenkins provides the Email alerting if the Job is unstable. But  in our scenario we wanted an aggregate Job monitoring for the jenkins job so that as soon as any of the Jenkins Job failed our level team got hold of it.

Below is the simple Python plugin I have written  to achieve this. This python script gets all jobs stats using the Jenkins API and then parses for the stability of the Job.

	#! /usr/bin/env python
	#---------------------------------------------------------------------------------------------------------------
	# Author:
	# Juned Memon <junaid18183@gmail.com>
	# This is a simple Nagios plugin to check if any of the defined Jenkins Job is getting failed.
	#---------------------------------------------------------------------------------------------------------------
	#Imports
	import urllib2,sys,re,simplejson
	#---------------------------------------------------------------------------------------------------------------
	#Variables
	exclude_colors=['disabled','notbuilt']
	#---------------------------------------------------------------------------------------------------------------
	if len(sys.argv) != 2:
	print "Please run the script with a Jenkins url as the only argument\n Example : python jenkins_check.py http://localhost:8080"
	sys.exit(1)
	#---------------------------------------------------------------------------------------------------------------
	url = str(sys.argv[1])
	xml_input_no_filter = simplejson.load(urllib2.urlopen(url + "/api/json?tree=jobs[name,color,healthReport[score]]"))
	all_jobs = xml_input_no_filter['jobs']
	failed_jobs = [row for row in all_jobs if bool(re.search('red', row['color']))]
	disabled_jobs = [row for row in all_jobs if bool(re.search('disabled', row['color']))]
	notbuilt_jobs = [row for row in all_jobs if bool(re.search('notbuilt', row['color']))]
	#failed_jobs = [row for row in all_jobs if not bool(re.search('blue', row['color'])) and row['color'] not in exclude_colors ]
	msg=(str(len(failed_jobs)) + " jobs out of " + str(len(all_jobs)) + " are currently failing")
	for (i, item) in enumerate(failed_jobs):
	#msg = msg+" Job name : " + item['name'] + " Result : " + item['color']
	msg = msg+" Job%s:%s" %(i+1,item['name'])
	if len(failed_jobs) > 0 :
	status=2
	else:
	status=0
	msg = msg + " | All_Jobs=%s;Failed_Jobs=%s;Disabled_Jobs=%s;Notbuilt_Jobs=%s" %(len(all_jobs),len(failed_jobs),len(disabled_jobs),len(notbuilt_jobs))
	print msg
	#For Dashing
	url = "http://tiber.tipsntraps.com:3030/widgets/Jenkins"
	data = simplejson.dumps({ "auth_token": "LOVE_YOU_JUNED", "all_jobs": len(all_jobs) , "failed_jobs" : len(failed_jobs) , "disabled_jobs" : len(disabled_jobs) , "notbuilt_jobs": len(notbuilt_jobs)})
	headers={"Content-Type": "application/json"}
	try:
	request = urllib2.Request(url, data, headers)
	response = urllib2.urlopen(request)
	#Python 2.6 and above
	#except urllib2.URLError as e :
	# print 'Dashing update fail'
	#python 2.4
	except urllib2.URLError , e :
	if not e.code == 204:
	print 'Dashing update fail'
	####Dashibg End
	sys.exit(status)

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