Munin contributed plugins

#!/usr/bin/env python

# This is monitoring plugin for riak Developer's website: http://wiki.basho.com/Riak.html

# sample config in /etc/munin/plugin-conf.d/riak

#

# [riak_*]

# env.RIAK_URL http://127.0.0.1:8091/stats

# any questions to fygrave at o0o dot nu

#

# This plugin monitors memory allocation on each node.

#

import urllib2

import sys

import os

try:

    import json

except ImportError:

    import simplejson as json

names = ["memory_total","memory_processes","memory_processes_used","memory_system","memory_atom","memory_atom_used","memory_binary","memory_code","memory_ets"]

def getServerStatus():

    raw = urllib2.urlopen( os.environ.get('RIAK_URL', "http://127.0.0.1:8097/stats") ).read()

    return json.loads( raw )

def doData():

    for name in names:

        print name + ".value " + str( getServerStatus()[name] )

def doConfig():

    print "graph_title Riak memory"

    print "graph_args --base 1000 -l 0"

    print "graph_vlabel memory"

    print "graph_category other"

    for name in names:

        print name + ".label " + name

        print name + ".type GAUGE"

        print name + "draw LINE1"

if __name__ == "__main__":

    if len(sys.argv) > 1 and sys.argv[1] == "config":

        doConfig()

    else:

        doData()