NAME MongoDB lock Plugin

APPLICABLE SYSTEMS

    MongoDB 2.X. The "lockTime" field was removed in later versions.

CONFIGURATION

    [mongo_lock]
    env.MONGO_DB_URI mongodb://user:password@host:port/dbname

AUTHOR

    Original script there : https://github.com/comerford/mongo-munin
    Doc added by Alban Espie-Guillon <alban.espie@alterway.fr>
"""

import urllib2 import sys

try: import json except ImportError: import simplejson as json

def getServerStatus(): raw = urllib2.urlopen( "http://127.0.0.1:28017/_status" ).read() return json.loads( raw )["serverStatus"]

name = "locked"

def doData(): status = getServerStatus() if status["version"] >= "2.2.0": if status["globalLock"]["lockTime"]["$numberLong"]: ratio = float(status["globalLock"]["lockTime"]["$numberLong"]) / float(status["globalLock"]["totalTime"]["$numberLong"]) else: ratio = float(status["globalLock"]["lockTime"]) / status["globalLock"]["totalTime"] else: ratio = status["globalLock"]["ratio"] print name + ".value " + str( 100 * ratio )

def doConfig():

    print "graph_title MongoDB write lock percentage"
    print "graph_args --base 1000 -l 0 "
    print "graph_vlabel percentage"
    print "graph_category db"

    print name + ".label " + name

if __name__ == "__main__": if len(sys.argv) > 1 and sys.argv[1] == "config": doConfig() else: doData()