/usr/share/check_mk/checks/netstat.include 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 | #!/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.
# Item is a user defined identifier of the connection.
# Example for params:
# {
# "proto" : "UDP",
# "local_ip" : "10.1.1.99",
# "remote_port" : 5665,
# "state" : "ESTABLISHED",
# }
# Other keys: local_port, remote_ip. Missing entries do not care.
def check_netstat_generic(item, params, connections):
found = 0
for proto, (local_ip, local_port), (remote_ip, remote_port), connstate in connections:
# Beware: port numbers are strings here.
match = True
for k, v in [
( "local_ip", local_ip ),
( "local_port", local_port ),
( "remote_ip", remote_ip ),
( "remote_port", remote_port ),
( "proto", proto ),
( "state", connstate )]:
if k in params and str(params[k]) != v:
match = False
break
if match:
found += 1
# Check if found connections are within limits
yield 0, "Found %d matching entries" % found
if params.get("min_states"):
min_warn, min_crit = params["min_states"]
if found <= min_crit:
state = 2
elif found <= min_warn:
state = 1
else:
state = 0
if state:
yield state, "too few (warn/crit at %d/%d)" % (min_warn, min_crit)
if params.get("max_states"):
max_warn, max_crit = params["max_states"]
if found >= max_crit:
state = 2
elif found >= max_warn:
state = 1
else:
state = 0
if state:
yield state, "too many (warn/crit at %d/%d)" % (max_warn, max_crit)
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