Munin contributed plugins

#!/usr/bin/env python

# Copyright (c) 2008, Net Easy, Inc.

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are met:

#     * Redistributions of source code must retain the above copyright

#       notice, this list of conditions and the following disclaimer.

#     * Redistributions in binary form must reproduce the above copyright

#       notice, this list of conditions and the following disclaimer in the

#       documentation and/or other materials provided with the distribution.

#     * Neither the name of Net Easy, Inc. nor the

#       names of its contributors may be used to endorse or promote products

#       derived from this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY Net Easy, Inc. ''AS IS'' AND ANY

# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

# DISCLAIMED. IN NO EVENT SHALL Net Easy, Inc. BE LIABLE FOR ANY

# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import re, os

from sys import argv

class checker(object):

    def __init__(self):

        'parsed_data will have a tuple of the disk capacity and usage (in kbytes) and the mount point for each disk partition'

        self.parsed_data = {}

    def __repr__(self):

        thisdata = ''

        for item in self.parsed_data.keys():

            thisdata = '%s%s.value %s\n' % (thisdata, item, int(self.parsed_data[item][1] * 1024))

        return thisdata

    def config(self):

        thisdata = """graph_title Filesystem usage (in bytes)

graph_args --base 1024 --lower-limit 0

graph_vlabel bytes

graph_category disk

graph_info Filesystem usage

"""

        for item in self.parsed_data.keys():

            thisdata = "%s%s.label %s\n%s.warning %s\n%s.critical %s\n" % (thisdata, item, self.parsed_data[item][2],

                                                                        item, int(self.parsed_data[item][0] * 1024 * 0.92),

                                                                        item, int(self.parsed_data[item][0] * 1024 * 0.98))

        return thisdata

    def get_data(self):

        rawdata = os.popen('df -P -l -k').readlines()

        for i in range(1,len(rawdata)):

            dataline=rawdata[i].split()

            self.parsed_data[re.sub('/', '_', dataline[0])] = (int(dataline[1]), int(dataline[2]), dataline[5])

if __name__ == "__main__":

    processor = checker()

    processor.get_data()

    if len(argv) > 1 and argv[1] == 'config':

        print processor.config()

    else:

        print processor