elastic search node status

esNodeStatus.py

#!/usr/bin/env python

import json
import requests

r=requests.get(url="http://servername:9200/_nodes/stats?pretty=true")
if r.status_code == 200:
    nodestats=r.json()
    
    for node in nodestats['nodes']:
        loadaverage=nodestats['nodes'][node]['os']['load_average']
        cpuusage=nodestats['nodes'][node]['os']['cpu']['usage']
        nodename=nodestats['nodes'][node]['name']
        jvmused=nodestats['nodes'][node]['jvm']['mem']['heap_used_percent']
        print('{0}: cpu {1}%  jvm {2}% load average: {3}'.format(nodename,cpuusage,jvmused,loadaverage))