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contrib-munin/plugins/lighttpd/lighttpd_

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim: set fileencoding=utf-8
#
# Munin plugin to monitor lighttpd web-server.
#
# Copyright Igor Borodikhin
#
# License : GPLv3
#
# Configuration parameters:
# env.status_url - url of lighty's server-status (optional, default is http://127.0.0.1/server-status)
# env.username - username to provide if status_url requires authentication (optional, default - no authentication)
# env.password - password to provide if status_url requires authentication (optional, default - no authentication)
# env.auth_type - the authentication mechanism to use -- either 'basic' (default) or 'digest'.
#
# Note: If HTTP authentication is required you should specify both username and password.
#
# ## Installation
2013-05-16 10:34:08 +02:00
# Copy file to directory /usr/share/munin/plugins/
# Because this plugin has suggest capability the last step is to run
# # munin-node-configure --suggest --shell | sh -x
#
#%# family=contrib
#%# capabilities=autoconf suggest
import os, sys, urllib2
program = sys.argv[0]
graph_type = program[program.rfind("_")+1:]
graph_types = {
"accesses" : [
{
"title" : "Total accesses",
"type" : "COUNTER",
"args" : "--base 1000 -l 0",
"fields" : ["accesses"]
}
],
"kbytes" : [
{
"title" : "Total kBytes",
"type" : "COUNTER",
"args" : "--base 1024 -l 0",
"fields" : ["kbytes"]
}
],
"uptime" : [
{
"title" : "Uptime",
"type" : "GAUGE",
"args" : "--base 1000 -l 0",
"fields" : ["uptime"]
}
],
"status" : [
{
"title" : "Status",
"type" : "GAUGE",
"args" : "--base 1000 -l 0",
"fields" : ["busy", "idle"]
}
]
}
if len(sys.argv) == 2 and sys.argv[1] == "autoconf":
print "yes"
elif len(sys.argv) == 2 and sys.argv[1] == "config":
if graph_type not in graph_types.keys():
raise Exception("Unknown graph type '%s'"%graph_type)
params = graph_types[graph_type]
for item in params:
print "graph_title %s" % item["title"]
print "graph_category webserver"
for field in item["fields"]:
print "%s.label %s" % (field, field)
print "%s.type %s" % (field, item["type"])
print "graph_args %s" % item["args"]
elif len(sys.argv) == 2 and sys.argv[1] == "suggest":
for item in graph_types.keys():
print item
else:
status_url = os.environ.get('status_url', 'http://127.0.0.1/server-status')
request = urllib2.Request("%s?auto" % status_url)
if "username" in os.environ and "password" in os.environ:
mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
mgr.add_password(None, status_url, os.environ["username"], os.environ["password"])
if os.environ.get("auth_type", "basic") == "digest":
auth = urllib2.HTTPDigestAuthHandler(mgr)
else:
auth = urllib2.HTTPBasicAuthHandler(mgr)
opener = urllib2.build_opener(auth)
urllib2.install_opener(opener)
info = urllib2.urlopen(request).read()
data = {}
for line in info.split("\n"):
try:
(title, value) = line.split(": ")
data[title] = value
except Exception:
pass
if graph_type == "accesses":
print "accesses.value %s" % data["Total Accesses"]
elif graph_type == "kbytes":
print "kbytes.value %s" % data["Total kBytes"]
elif graph_type == "uptime":
print "uptime.value %s" % str(float(data["Uptime"])/86400)
elif graph_type == "status":
print "busy.value %s" % data["BusyServers"]
print "idle.value %s" % data["IdleServers"]