/usr/share/check_mk/checks/netstat 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 | #!/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.
# Example output from agent (Linux)
# <<netstat>>>
# tcp 0 0 127.0.0.1:57573 127.0.0.1:80 ESTABLISHED
# tcp 0 0 10.1.1.50:38692 178.248.246.154:993 ESTABLISHED
# tcp 0 0 127.0.0.1:34929 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:34922 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:80 127.0.0.1:57454 TIME_WAIT
# tcp 0 0 127.0.0.1:35005 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 10.1.1.50:38612 178.248.246.154:993 ESTABLISHED
# tcp 0 0 127.0.0.1:80 127.0.0.1:57548 TIME_WAIT
# tcp 0 0 127.0.0.1:34981 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:54552 127.0.0.1:13419 ESTABLISHED
# tcp 0 0 127.0.0.1:35012 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:34910 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:34915 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:80 127.0.0.1:57546 TIME_WAIT
# tcp 0 0 127.0.0.1:34935 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:34984 127.0.0.1:5000 TIME_WAIT
# tcp 0 0 127.0.0.1:80 127.0.0.1:57488 TIME_WAIT
# tcp 0 0 127.0.0.1:34967 127.0.0.1:5000 TIME_WAIT
def parse_netstat(info):
connections = []
for line in info:
if len(line) == 6:
proto, recv_q, send_q, local, remote, connstate = line
if proto.startswith("tcp"): # also tcp4 and tcp6
proto = "TCP"
elif proto.startswith("udp"):
proto = "UDP"
connections.append( (proto, local.rsplit(":", 1), remote.rsplit(":", 1),
connstate) )
return connections
def check_netstat(item, params, info):
connections = parse_netstat(info)
return check_netstat_generic(item, params, connections)
check_info["netstat"] = {
'check_function' : check_netstat,
'service_description' : "TCP Connection %s",
'group' : "tcp_connections",
'includes' : [ "netstat.include" ],
}
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