computer-playbook/roles/health-docker-container/files/health-docker-container.sh

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#!/bin/sh
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docker_ps_grep_unhealthy="$(docker ps --filter health=unhealthy --format '{{.Names}}')"
docker_ps_grep_exited="$(docker ps --filter status=exited --format '{{.Names}}')"
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exitcode=0
if [ ! -z "$docker_ps_grep_unhealthy" ]
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then
echo "Some docker containers are unhealthy: $docker_ps_grep_unhealthy"
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exitcode=1
fi
if [ ! -z "$docker_ps_grep_exited" ]
then
echo "Some docker containers exited: $docker_ps_grep_exited"
exitcode=2
fi
if [ "$exitcode" -ne "0" ]
then
exit $exitcode
fi
echo "All docker containers are healthy."
exit