nix-config/ansible/roles/elnappo.check_mk_agent/files/plugins/mk_docker_container_piggyba...

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#!/bin/bash
# +------------------------------------------------------------------+
# | ____ _ _ __ __ _ __ |
# | / ___| |__ ___ ___| | __ | \/ | |/ / |
# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
# | | |___| | | | __/ (__| < | | | | . \ |
# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
# | |
# | Copyright Mathias Kettner 2018 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-
# 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.
# $REMOTE is exported from check_mk_agent.linux
if type docker > /dev/null 2>&1; then
NODE_NAME=$(docker info --format "{{json .Name}}")
# For the container status, we want information about *all* containers
for CONTAINER_ID in $(docker container ls -q --all); do
echo "<<<<${CONTAINER_ID}>>>>"
docker inspect "$CONTAINER_ID" \
--format='{{println "<<<docker_container_status>>>"}}{{json .State}}{{println}}{{println "<<<docker_container_node_name>>>"}}{{println '"$NODE_NAME"'}}{{println "<<<docker_container_labels>>>"}}{{json .Config.Labels}}{{println}}{{println "<<<docker_container_network>>>"}}{{json .NetworkSettings}}{{println}}'
if [ "$(docker inspect -f '{{.State.Running}}' "$CONTAINER_ID")" = "true" ]; then
# Is there a regular agent available in the container? Use it!
#
# Otherwise execute the agent of the node in the context of the container.
# Using this approach we should always get at least basic information from
# the container.
# Once it comes to plugins and custom configuration the user needs to use
# a little more complex setup. Have a look at the documentation.
AGENT_PATH=$(docker container exec "$CONTAINER_ID" bash -c "type check_mk_agent" 2>/dev/null) || AGENT_PATH=
if [ -n "$AGENT_PATH" ]; then
docker container exec --env "REMOTE=$REMOTE" "$CONTAINER_ID" check_mk_agent
elif docker container exec "$CONTAINER_ID" which bash >/dev/null 2>&1; then
docker container exec --env MK_FROM_NODE=1 --env "REMOTE=$REMOTE" -i "$CONTAINER_ID" bash < "$0"
fi
fi
echo "<<<<>>>>"
done
fi