[checkmk-commits] 5959 docker_node_info: New check which monitors the status of docker daemon

Module: check_mk Branch: master Commit: 1cc1d4622ea9b92b931cdd131429b1de6fda488b URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=1cc1d4622ea9b9… Author: Simon Betz &lt;si(a)mathias-kettner.de&gt; Date: Fri Apr 6 17:06:01 2018 +0200 5959 docker_node_info: New check which monitors the status of docker daemon Change-Id: Ida31b1be0724887a803d10d420f8631806386db0 --- .werks/5959 | 10 +++++++++ agents/check_mk_agent.linux | 3 +++ checkman/docker_node_info | 12 ++++++++++ checks/docker_node_info | 54 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 79 insertions(+) diff --git a/.werks/5959 b/.werks/5959 new file mode 100644 index 0000000..860951b --- /dev/null +++ b/.werks/5959 @@ -0,0 +1,10 @@ +Title: docker_node_info: New check which monitors the status of docker daemon +Level: 1 +Component: checks +Compatible: compat +Edition: cre +Version: 1.5.0i4 +Date: 1523020454 +Class: feature + + diff --git a/agents/check_mk_agent.linux b/agents/check_mk_agent.linux index e102d3a..a7ea57e 100755 --- a/agents/check_mk_agent.linux +++ b/agents/check_mk_agent.linux @@ -962,6 +962,9 @@ fi # Iterate all running containers and report piggyback data for them if type docker > /dev/null 2>&1 ; then + echo "<<<docker_node_info>>>" + docker info --format "{{json .}}" 2>&1 + for CONTAINER_ID in $(docker container ls -q); do echo "<<<<$CONTAINER_ID>>>>" diff --git a/checkman/docker_node_info b/checkman/docker_node_info new file mode 100644 index 0000000..b90895f --- /dev/null +++ b/checkman/docker_node_info @@ -0,0 +1,12 @@ +title: Docker Node Info +agents: linux +catalog: app/docker +license: GPL +distribution: check_mk +description: + This check monitors the status of the docker application. + If the daemon is running, the check is OK, otherwise it is + CRIT and displays the error message. + +inventory: + One service is created. diff --git a/checks/docker_node_info b/checks/docker_node_info new file mode 100644 index 0000000..4839273 --- /dev/null +++ b/checks/docker_node_info @@ -0,0 +1,54 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2018 mk(a)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- +# tails. 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 parse_docker_node_info(info): + try: + import json + return json.loads("".join(info[0])) + except ValueError: + return " ".join(info[0]) + + +def inventory_docker_node_info(parsed): + if parsed: + return [(None, {})] + + +def check_docker_node_info(item, params, parsed): + if isinstance(parsed, dict): + # TODO use other infos from this section? + return 0, 'Daemon running on host %s' % parsed["Name"] + + return 2, parsed + + +check_info['docker_node_info'] = { + 'parse_function' : parse_docker_node_info, + 'inventory_function' : inventory_docker_node_info, + 'check_function' : check_docker_node_info, + 'service_description' : 'Docker Node Info', +}