/usr/share/check_mk/checks/df is in check-mk-server 1.2.6p12-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | #!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# | ____ _ _ __ __ _ __ |
# | / ___| |__ ___ ___| | __ | \/ | |/ / |
# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
# | | |___| | | | __/ (__| < | | | | . \ |
# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
# | |
# | Copyright Mathias Kettner 2014 mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# 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.
# <<<df>>>
# /dev/sda3 ext4 8123200 1207512 6496392 16% /
# /dev/sda6 ext3 117794932 192192 111522544 1% /data
# /dev/sda2 ext3 8123200 220388 7483516 3% /var
# /dev/sda1 reiserfs 256666 16052 227362 7% /boot
# /dev/mapper/mirrored-database ext3 20642428 1027112 19405604 6% /mirrored/database
# Another example from a Windows 7 system:
# <<<df>>>
# SYSTEM NTFS 312569172 180648472 131920700 58% C:\
# Data NTFS 976506816 528665344 447841472 55% D:\
# PS3 PlayStation(R)3 File System 0 0 0 0% P:\
def df_parse_info(info):
df_blocks = []
df_inodes = []
lines = iter(info)
try:
is_inode = False
while True:
line = lines.next()
if line[-1] == '[df_inodes_start]':
is_inode = True
continue
elif line[-1] == '[df_inodes_end]':
is_inode = False
continue
if not is_inode:
# Handle known cases, where the file system contains spaces
if line[2] == "File" and line[3] == "System":
line = [ line[0], " ".join(line[1:4]) ] + line[4:]
df_blocks.append(line)
else:
df_inodes.append(line)
except StopIteration:
pass
return df_blocks, df_inodes
def inventory_df(info):
df_blocks, df_inodes = df_parse_info(info)
mplist = []
for line in df_blocks:
if line[1] in inventory_df_exclude_fs:
continue # ignore this filesystem type
if line[2] == '-' or int(line[2]) == 0 or line[5] == '-':
continue # exclude filesystems without size
mountpoint = " ".join(line[6:]).replace('\\', '/') # Windows \ is replaced with /
if mountpoint in inventory_df_exclude_mountpoints:
continue # exclude this mount point (/tmp, /proc, whatever user wants)
mplist.append(mountpoint)
return df_inventory(mplist)
def check_df(item, params, info):
fslist_blocks = []
fslist_inodes = []
df_blocks, df_inodes = df_parse_info(info)
for idx, line in enumerate(df_blocks):
# df outputs seven columns:
# DEVICE FS-TYPE SIZE(KB) USED(KB) AVAIL(KB) USED(%) MOUNTPOINT
# The mount point may contain spaces (seen on VMWare volumes and on ESX)
mountpoint = " ".join(line[6:]).replace('\\', '/')
if "patterns" in params or item == mountpoint:
# Beware: the 6th column of df ("used perc") may includes 5% which are reserved
# for the superuser, whereas the 4th colum ("used MB") does *not* include that.
# Beware(2): the column used_mb does not account for the reserved space for
# superusers. So we rather use the column 'avail' and subtract that from total
# to compute the used space.
size_mb = int(line[2]) / 1024.0
avail_mb = int(line[4]) / 1024.0
fslist_blocks.append((mountpoint, size_mb, avail_mb))
if df_inodes:
fslist_inodes.append((mountpoint, int(df_inodes[idx][2]), int(df_inodes[idx][4])))
return df_check_filesystem_list(item, params, fslist_blocks, fslist_inodes)
check_info['df'] = {
"check_function" : check_df,
"inventory_function" : inventory_df,
"service_description" : "Filesystem %s",
"has_perfdata" : True,
"group" : "filesystem",
"default_levels_variable" : "filesystem_default_levels",
"includes" : [ "df.include" ],
}
|