plugins/hadoop.datanode.py at master · samattridge/plugins · GitHub

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#!/usr/bin/env python
import sys
import requests
import json
import socket

names = ['*']

excludes = ['namenodeaddresses',
            'volumeinfo',
            'httpport',
            'name',
            'version',
            'modelertype',
            'storageinfo',
            'clusterid',
            'rpcport',
            'tag.port',
            'tag.context',
            'tag.hostname',
            'tag.sessionid',
            'tag.processname']

metrics = {}
for n in names:
    URL = 'http://%s:50075/jmx?qry=Hadoop:service=DataNode,name=%s' % (socket.getfqdn(), n)
    try:
        resp = requests.get(URL, timeout=60).json()['beans']
        for i in range(len(resp)):
            for k, v in resp[i].iteritems():
                if k.lower() not in excludes:
                    metrics[k] = v

    except:
        print "Plugin Failed!"
        sys.exit(2)

output = "OK | "
for k, v in metrics.iteritems():
    output += str(k).lower() + '=' + str(v).lower() + ';;;; '

print output