Munin contributed plugins

#!/usr/bin/env python

#

# Plugin to monitor Apache Qpid

# - graphs the number of messages discarded from queue(s) specified in config

#

# Parameters understood:

#

# queues (required) - space separated list of queues to display (regex allowed)

#

# Made by Jimmy Jones (jimmyjones2 AT gmx DOT co DOT uk)

#

# Licence: GPLv2

#

import re

import sys

import os

from qmf.console import Session

if not "queues" in os.environ:

  print >> sys.stderr, "Missing env.queues in config"

  sys.exit(-1)

output_queue = []

sess = Session()

broker = sess.addBroker()

queues = sess.getObjects(_class="queue", _package="org.apache.qpid.broker")

for q in queues:

  for match in os.environ["queues"].split(" "):

    if re.match(match, q.name):

      output_queue.append(re.sub('[^a-zA-Z0-9_]', '_', q.name))

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

  print "graph_category webserver";

  print "graph_title Ring queue discard rate";

  print "graph_vlabel messages/second";

  for queue in output_queue:

    print "%s.label %s" % (queue, queue)

    print "%s.min 0" % queue

    print "%s.type COUNTER" % queue

else:

  for q in queues:

    qname = re.sub('[^a-zA-Z0-9_]', '_', q.name)

    if qname in output_queue:

      print "%s.value %u" % (qname, q.discardsRing)

sess.delBroker(broker)