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fritzbox-munin/fritzbox_memory_usage.py

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#!/usr/bin/env python
"""
fritzbox_memory_usage - A munin plugin for Linux to monitor AVM Fritzbox
Copyright (C) 2015 Christian Stade-Schuldt
Author: Christian Stade-Schuldt
Like Munin, this plugin is licensed under the GNU GPL v2 license
http://www.opensource.org/licenses/GPL-2.0
Add the following section to your munin-node's plugin configuration:
[fritzbox_*]
env.fritzbox_ip [ip address of the fritzbox]
env.fritzbox_password [fritzbox password]
This plugin supports the following munin configuration parameters:
#%# family=auto contrib
#%# capabilities=autoconf
"""
import os
import re
import sys
import fritzbox_helper as fh
PAGE = '/system/ecostat.lua'
pattern = re.compile('Query[1-3]\s="(\d{1,3})')
USAGE = ['free', 'cache', 'strict']
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def get_memory_usage():
"""get the current memory usage"""
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server = os.environ['fritzbox_ip']
password = os.environ['fritzbox_password']
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sid = fh.get_sid(server, password)
data = fh.get_page(server, sid, PAGE)
matches = re.finditer(pattern, data)
if matches:
data = zip(USAGE, [m.group(1) for m in matches])
for d in data:
print'%s.value %s' % (d[0], d[1])
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def print_config():
print "graph_title AVM Fritz!Box Memory"
print "graph_vlabel %"
print "graph_args --base 1000 -r --lower-limit 0 --upper-limit 100"
print "graph_category system"
print "graph_order strict cache free"
print "graph_info This graph shows what the Fritzbox uses memory for."
print "graph_scale no"
print "strict.label strict"
print "strict.type GAUGE"
print "strict.draw AREA"
print "cache.label cache"
print "cache.type GAUGE"
print "cache.draw STACK"
print "free.label free"
print "free.type GAUGE"
print "free.draw STACK"
if os.environ.get('host_name'):
print "host_name " + os.environ['host_name']
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if __name__ == '__main__':
if len(sys.argv) == 2 and sys.argv[1] == 'config':
print_config()
elif len(sys.argv) == 2 and sys.argv[1] == 'autoconf':
print 'yes'
elif len(sys.argv) == 1 or len(sys.argv) == 2 and sys.argv[1] == 'fetch':
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# Some docs say it'll be called with fetch, some say no arg at all
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try:
get_memory_usage()
except:
sys.exit("Couldn't retrieve fritzbox memory usage")