es_quickmon.py

import urllib2
import json


def to_dotted(var, root=""):
    if isinstance(var, dict):
        for k in var.keys():
            for r in to_dotted(var[k], root + "." + str(k)):
                yield r
    elif isinstance(var, list):
        for i,k in enumerate(var):
            for r in to_dotted(k, root + "." + str(i)):
                yield r
    else:
        yield [root, var]

def get_json(path):
    req = urllib2.urlopen(path)
    data = req.read()
    return json.loads(data)


def get_es_metrics():
    for item in to_dotted(get_json('http://localhost:9200/_cluster/health?level=indices'), "es.health"): 
        print item[0] + " = " + str(item[1])
    for item in to_dotted(get_json('http://localhost:9200/_all/_stats'), "es.indices"):
        print item[0] + " = " + str(item[1])
    for item in to_dotted(get_json('http://localhost:9200/_nodes/stats'), "es.nodes"):
        print item[0] + " = " + str(item[1])

if __name__ == "__main__":
    get_es_metrics()