docker/docker_warning_heartbeat at main · WeblateOrg/docker · GitHub

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#!/bin/sh
set -eu

report=${WEBLATE_DOCKER_WARNING_REPORT:-}
hostname=${WEBLATE_DOCKER_WARNING_HOSTNAME:-unknown}
service=${WEBLATE_DOCKER_WARNING_SERVICE:-all}
warnings=${WEBLATE_DOCKER_WARNING_MESSAGES:-}
sleep_pid=
if [ -z "$report" ]; then
    exit 0
fi

initialize_report() {
    mkdir -p "$report"
    printf '%s\n' "$hostname" > "$report/hostname"
    printf '%s\n' "$service" > "$report/service"
    printf '%s' "$warnings" > "$report/warnings"
    touch "$report/heartbeat" "$report"
}

cleanup_report() {
    if [ -n "$sleep_pid" ]; then
        kill "$sleep_pid" 2> /dev/null || true
    fi
    rm -f -- \
        "$report/heartbeat" \
        "$report/hostname" \
        "$report/service" \
        "$report/warnings" || true
    rmdir -- "$report" 2> /dev/null || true
}

shutdown() {
    cleanup_report
    exit 0
}

trap shutdown HUP INT TERM
initialize_report

while :; do
    touch "$report/heartbeat" "$report"
    sleep 60 &
    sleep_pid=$!
    wait "$sleep_pid"
    sleep_pid=
done