Munin contributed plugins

#!/usr/bin/env python

#

# vim:syntax=python

#

# Plugin to monitor the amount of packages in an approx cache.

#

# Usage: place in /etc/munin/plugins/ (or link it there using ln -s)

#

# Parameters understood:

#

# 	config   (required)

# 	autoconf (optional - used by munin-config)

#

# Magic markers - optional - used by installation scripts and

# munin-config:

#

#%# family=manual

#%# capabilities=autoconf

#

# Now for the real work...

from sys import argv, exit

from os.path import walk, exists, isfile, join

def get_file_types():

	"""Returns an array of filetype => count."""

	out = {}

	def visitor(arg, dirname, names):

		for file in names:

			if not isfile(join(dirname, file)):

				continue

			ext = file.split(".")[-1]

			out[ext] = out.get(ext, 0) + 1

	walk('/var/cache/approx/', visitor, None)

	return out

# Autoconfiguration

if len(argv) > 1:

	if argv[1] == "autoconf":

		# Test if we can find a approx cache

		if exists('/var/cache/approx'):

			print "yes"

		else:

			print "no ('/var/cacne/approx' not found)"

			exit(1)

		exit()

	elif argv[1] == "config":

		print "graph_title Approx cache";

		print "graph yes";

		#print "graph_category Other";

		#print "graph_total Total";

		print "graph_info Statistics from the Approx cache.";

		#print "debs.label DEBs";

		#print "pending.warning 0:0";

		#print "hold.label hold";

		for type in get_file_types().keys():

			print "%s.label %s" % (type.lower(), type)

		exit()

for type, count in get_file_types().iteritems():

	print "%s.value %d" % (type.lower(), count)

exit()