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| #!/bin/bash | |
| # Author: Erik Kristensen | |
| # Email: [email protected] | |
| # License: MIT | |
| # Nagios Usage: check_nrpe!check_docker_container!_container_id_ | |
| # Usage: ./check_docker_container.sh _container_id_ | |
| # | |
| # The script checks if a container is running. | |
| # OK - running | |
| # WARNING - container is ghosted | |
| # CRITICAL - container is stopped | |
| # UNKNOWN - does not exist | |
| CONTAINER=$1 | |
| RUNNING=$(docker inspect --format="{{ .State.Running }}" $CONTAINER 2> /dev/null) | |
| if [ $? -eq 1 ]; then | |
| echo "UNKNOWN - $CONTAINER does not exist." | |
| exit 3 | |
| fi | |
| if [ "$RUNNING" == "false" ]; then | |
| echo "CRITICAL - $CONTAINER is not running." | |
| exit 2 | |
| fi | |
| GHOST=$(docker inspect --format="{{ .State.Ghost }}" $CONTAINER) | |
| if [ "$GHOST" == "true" ]; then | |
| echo "WARNING - $CONTAINER has been ghosted." | |
| exit 1 | |
| fi | |
| STARTED=$(docker inspect --format="{{ .State.StartedAt }}" $CONTAINER) | |
| NETWORK=$(docker inspect --format="{{ .NetworkSettings.IPAddress }}" $CONTAINER) | |
| echo "OK - $CONTAINER is running. IP: $NETWORK, StartedAt: $STARTED" |
@ktanriverdi just add the following to sudoers for ubuntu host
nagios ALL=(ALL) NOPASSWD:/usr/lib/nagios/plugins/check_container
and change line of script by appending sudo i.e
RUNNING=$(sudo docker inspect --format="{{ .State.Running }}" $CONTAINER 2> /dev/null)
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How can i run this script without sudo?Because when i try to run this script via nagios user,it says does not exist and with sudo ./check_docker_container container_id command it works fine.Any suggestions?Thanks