mirror of
https://github.com/willfarrell/docker-autoheal.git
synced 2024-12-06 19:16:20 +01:00
will Farrell
39 lines
1.3 KiB
Bash
Executable File
39 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env sh
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set -e
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DOCKER_SOCK=/tmp/docker.sock
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if [ "$1" = 'autoheal' ] && [ -e ${DOCKER_SOCK} ]; then
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# https://docs.docker.com/engine/api/v1.25/
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# Set container selector
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if [ "$AUTOHEAL_CONTAINER_LABEL" == "all" ]; then
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selector() {
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jq -r .[].Id
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}
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else
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selector() {
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jq -r '.[] | select(.Labels["'${AUTOHEAL_CONTAINER_LABEL:=autoheal}'"] == "true") | .Id'
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}
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fi
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echo "Monitoring containers for unhealthy status"
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while true; do
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CONTAINERS=$(curl --no-buffer -s -XGET --unix-socket ${DOCKER_SOCK} http://localhost/containers/json | selector)
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for CONTAINER in $CONTAINERS; do
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HEALTH=$(curl --no-buffer -s -XGET --unix-socket ${DOCKER_SOCK} http://localhost/containers/${CONTAINER}/json | jq -r .State.Health.Status)
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if [ "unhealthy" = "$HEALTH" ]; then
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echo "Container ${CONTAINER:0:12} found to be unhealthy. Restarting container ..."
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# Note: kill and stop didn't honor the restart policy
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#curl --no-buffer -s -XPOST --data '{"signal":"SIGKILL"}' --unix-socket ${DOCKER_SOCK} http://localhost/containers/${CONTAINER}/kill
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curl --no-buffer -s -XPOST --unix-socket ${DOCKER_SOCK} http://localhost/containers/${CONTAINER}/restart
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fi
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done
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sleep ${AUTOHEAL_INTERVAL:=5}
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done
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else
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exec "$@"
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fi |