/usr/share/check_mk/checks/fileinfo 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.
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# -*- 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.
# Example output:
# <<<fileinfo:sep(124)>>>
# 12968175080
# M:\check_mk.ini|missing
# M:\check_mk.ini|1390|12968174867
# M:\check_mk_agent.cc|86277|12968174554
# M:\Makefile|1820|12964010975
# M:\check_mk_agent.exe|102912|12968174364
# M:\crash.cc|1672|12964010975
# M:\crash.exe|20024|12968154426
# Parameters
# "minsize" : ( 5000, 4000 ), in bytes
# "maxsize" : ( 8000, 9000 ), in bytes
# "minage" : ( 600, 1200 ), in seconds
# "maxage" : ( 6000, 12000 ), in seconds
fileinfo_groups = []
def inventory_fileinfo(info, case):
inventory = []
added_groups = []
if info:
reftime = int(info[0][0])
for line in info:
if len(line) >= 3:
groups = fileinfo_groups_of_file(line[0], reftime)
if case == 'single' and not groups and line[1] != 'missing':
inventory.append((line[0], {}));
if case == 'group' and groups:
for group in groups:
if group not in added_groups:
added_groups.append(group)
inventory.append((group, {}))
return inventory
def fileinfo_process_date(pattern,reftime):
disect = re.match('(/.*/)\$DATE:((?:%\w.?){1,})\$(.*)',pattern)
if disect:
prefix = disect.group(1)
datepattern = time.strftime(disect.group(2),time.localtime(reftime))
postfix = disect.group(3)
pattern = prefix+datepattern+postfix
return pattern
def fileinfo_groups_of_file(check_filename,reftime):
import fnmatch
groups = []
for line in host_extra_conf(g_hostname, fileinfo_groups):
for group_name, pattern in line:
if type(pattern) == str: # support old format
pattern = ( pattern, '' )
inclusion, exclusion = pattern
inclusion = fileinfo_process_date(inclusion,reftime)
if fnmatch.fnmatch(check_filename, inclusion) \
and not fnmatch.fnmatch(check_filename, exclusion):
groups.append(group_name)
return groups
def check_fileinfo(item, params, info):
if len(info) == 0:
return (3, "no information sent by agent")
reftime = int(info[0][0])
check_definition = False
for line in info[1:]:
if item == line[0]:
if line[1] == "missing":
return (3, "File not found")
state = 0
size = int(line[1])
age = reftime - int(line[2])
check_definition = [
("size", size, get_filesize_human_readable),
("age", age, get_age_human_readable) ]
if check_definition == False:
return (3, "File not found")
return fileinfo_check_function(check_definition, params)
# Extracts patterns that are relevant for the current host and item.
# Constructs simple list of patterns and makes them available for the check
def fileinfo_groups_precompile(hostname, item, params):
patterns = []
for line in host_extra_conf(hostname, fileinfo_groups):
for group_name, pattern in line:
if group_name == item:
if type(pattern) == str: # support old format
pattern = (pattern, '')
patterns.append(pattern)
params['precompiled_patterns'] = patterns
return params
def check_fileinfo_groups(item, params, info):
if not info:
return 3, "No information sent by agent"
import fnmatch
reftime = int(info[0][0])
# Get the grouping patterns (either compile or reuse the precompiled ones)
# Check_MK creates an empty string if the precompile function has
# not been exectued yet. The precompile function creates an empty
# list when no rules/patterns are defined.
if 'precompiled_patterns' not in params:
params = fileinfo_groups_precompile(g_hostname, item, params)
count_all = 0
age_oldest = None
age_newest = 0
size_all = 0
size_smallest = None
size_largest = 0
date_inclusion = ""
# Start counting values on all files
for line in info[1:]:
for pattern in params['precompiled_patterns']:
inclusion, exclusion = pattern
inclusion_tmp = fileinfo_process_date(inclusion,reftime)
if inclusion != inclusion_tmp:
inclusion = inclusion_tmp
date_inclusion = inclusion_tmp
# endswith("No such file...") is needed to
# support the solaris perl based version of fileinfo
if not line[0].endswith("No such file or directory") \
and fnmatch.fnmatch(line[0], inclusion) and str(line[1]) not in ['missing',''] \
and not fnmatch.fnmatch(line[0], exclusion):
size = int(line[1])
size_all += size
if size_smallest == None:
size_smallest = size
else:
size_smallest = min(size_smallest, size)
size_largest = max(size_largest, size)
age = reftime - int(line[2])
if age_oldest == None: # very first match
age_oldest = age
age_newest = age
else:
age_oldest = max(age_oldest, age)
age_newest = min(age_newest, age)
count_all += 1
if age_oldest == None:
age_oldest = 0
# Start Checking
check_definition = [
("age_oldest", age_oldest, get_age_human_readable),
("age_newest", age_newest, get_age_human_readable),
("count", count_all, saveint),
("size", size_all, get_filesize_human_readable),
]
if size_smallest is not None:
check_definition.append(("size_smallest", size_smallest, get_filesize_human_readable))
if size_largest != 0:
check_definition.append(("size_largest", size_largest, get_filesize_human_readable))
if date_inclusion:
check_definition.append(("date pattern", date_inclusion, str ))
return fileinfo_check_function(check_definition, params)
def fileinfo_check_function(check_definition, params):
import operator
state = 0
infos = []
perfdata = []
for what, val, verbfunc in check_definition:
infos.append("%s is %s" % (what, verbfunc(val)))
if type(val) in [long, int]: # because strings go into infos but not into perfdata
warn, crit = "", ""
for how, comp, cfunc in [ ("min", "<", operator.lt), ("max", ">", operator.gt) ]:
p = params.get(how + what)
if p:
warn, crit = p
if cfunc(val, crit):
state = 2
infos[-1] += " (%s %s)(!!)" % (comp, verbfunc(crit))
elif cfunc(val, warn):
state = max(state, 1)
infos[-1] += " (%s %s)(!)" % (comp, verbfunc(warn))
perfdata.append((what, val, warn, crit))
infotext = ", ".join(infos)
return (state, infotext, perfdata)
check_info["fileinfo"] = {
"check_function" : check_fileinfo,
"inventory_function" : lambda info: inventory_fileinfo(info, 'single'),
"service_description" : "File %s",
"has_perfdata" : True,
"group" : "fileinfo",
}
check_info['fileinfo.groups'] = {
"check_function" : check_fileinfo_groups,
"inventory_function" : lambda info: inventory_fileinfo(info, 'group'),
"service_description" : "File group %s",
"has_perfdata" : True,
"group" : "fileinfo-groups",
}
precompile_params['fileinfo.groups'] = fileinfo_groups_precompile
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