mirror of
https://github.com/haugene/docker-transmission-openvpn.git
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af3d905b3a
* DEBUG: print all lines before execution if var DEBUG is set to anything other than false, each bash script will be run with a set -x. This would ease debugging * DEBUG: centralize commands in utils.sh
60 lines
2.0 KiB
Bash
Executable File
60 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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source /etc/openvpn/utils.sh
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SELFHEAL_INTERVAL=${SELFHEAL_INTERVAL:-1m}
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SELFHEAL_TIMEOUT=${SELFHEAL_TIMEOUT:-30s}
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SELFHEAL_START_PERIOD=${SELFHEAL_START_PERIOD:-0s}
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SELFHEAL_RETRIES=${SELFHEAL_RETRIES:-3}
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string_to_seconds() {
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local STRING=$1
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local LENGTH=${#STRING}
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case ${STRING} in
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*ms) echo "${STRING:0:$((LENGTH - 2))} / 1000" | bc -l ;;
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*s) echo "${STRING:0:$((LENGTH - 1))}" ;;
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*m) echo "$((${STRING:0:$((LENGTH - 1))} * 60))" ;;
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*h) echo "$((${STRING:0:$((LENGTH - 1))} * 3600))" ;;
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esac
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}
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INTERVAL=$(string_to_seconds 1m)
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TIMEOUT=$(string_to_seconds 1m)
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START_PERIOD=$(string_to_seconds ${SELFHEAL_START_PERIOD})
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RETRIES_REMAINING=2
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CONTAINER_STATUS="starting"
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START_PERIOD_END=$(echo "$(date +%s) + ${START_PERIOD}" | bc -l)
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echo "SELFHEAL: Container is starting, waiting for it to become healthy..."
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while true; do
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sleep ${INTERVAL}
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MESSAGE=""
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timeout ${TIMEOUT} setsid /etc/scripts/healthcheck.sh > /dev/null
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STATUS=$?
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if [[ ${STATUS} -ne 0 ]]; then
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if [[ $(date +%s) -ge ${START_PERIOD_END} ]]; then
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MESSAGE="failure"
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let "RETRIES_REMAINING-=1"
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fi
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else
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if [[ ${CONTAINER_STATUS} == "starting" ]]; then
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INTERVAL=$(string_to_seconds ${SELFHEAL_INTERVAL})
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TIMEOUT=$(string_to_seconds ${SELFHEAL_TIMEOUT})
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START_PERIOD_END=$(date +%s)
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fi
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if [[ ${CONTAINER_STATUS} != "healthy" ]]; then
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MESSAGE="success"
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fi
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RETRIES_REMAINING=${SELFHEAL_RETRIES}
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CONTAINER_STATUS="healthy"
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fi
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if [[ ${RETRIES_REMAINING} -eq 0 ]]; then
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MESSAGE="restart"
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CONTAINER_STATUS="unhealthy"
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fi
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case ${MESSAGE} in
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success) echo "SELFHEAL: Container is ${CONTAINER_STATUS}, health check succeeded." ;;
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failure) echo "SELFHEAL: Container is ${CONTAINER_STATUS}, health check failed, ${RETRIES_REMAINING} retries remaining." ;;
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restart) echo "SELFHEAL: Container is ${CONTAINER_STATUS}, failed ${SELFHEAL_RETRIES} health checks, exiting..."; kill 1; exit 1 ;;
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esac
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done
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