#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |          _           _           _       _   __   _______        |
# |       __| |_  ___ __| |__  _ __ | |__   / | /  \ |__ / _ \       |
# |      / _| ' \/ -_) _| / / | '  \| / /   | || () | |_ \_, /       |
# |      \__|_||_\___\__|_\_\_|_|_|_|_\_\   |_(_)__(_)___//_/        |
# |                                            check_mk 1.0.39       |
# |                                                                  |
# | Copyright Mathias Kettner 2009                mk@mathias-kettner |
# +------------------------------------------------------------------+
# 
# This file is part of check_mk 1.0.39.
# The official homepage is at http://mathias-kettner.de/check_mk.
# 
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# ails.  You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.


def inventory_nfsmounts(checkname, info):
    return [ (line[0], None, None) for line in info ]

def check_nfsmounts(item, params, info):
    for line in info:
        mountpoint = line[0]
        if mountpoint == item:
            size_blocks = int(line[2])
            free_blocks = int(line[4]) # for non-root user
            blocksize = int(line[5])
            
            if size_blocks < 0 or free_blocks < 0 or blocksize > 1024*1024:
                return (1, "WARNING - Stale NFS handle")
            
            gb = 1024 * 1024 * 1024.0
            size_gb = (size_blocks * blocksize) / gb
            used_gb = (free_blocks * blocksize) / gb
            if line[1] == 'ok':
                return (0, "OK - server responding (%.2f GB / %.2f GB used)" % (used_gb, size_gb))
            else:
                return (2, "CRITICAL - server not responding")
    return (3, "UNKNOWN - not mounted")
    
check_info['nfsmounts'] = (check_nfsmounts, "NFS mount %s", 0, inventory_nfsmounts)
