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https://github.com/dokku/dokku.git
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96d726c43c
Cron containers were never reaped once they exceeded their active deadline, so a hung cron task ran indefinitely instead of being retired after 24 hours as documented. `cron:run` now also accepts a `--ttl-seconds` argument, matching the one `dokku run` already takes.
106 lines
4.1 KiB
Bash
Executable File
106 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail
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[[ $DOKKU_TRACE ]] && set -x
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source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
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source "$PLUGIN_AVAILABLE_PATH/config/functions"
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source "$PLUGIN_AVAILABLE_PATH/scheduler-docker-local/internal-functions"
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fn-scheduler-docker-local-run-retire-container() {
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declare desc="stop a container"
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declare CONTAINER_ID="$1" APP="$2"
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local DOKKU_DOCKER_STOP_TIMEOUT="$(plugn trigger ps-get-property "$APP" stop-timeout-seconds || true)"
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[[ -n "$DOKKU_DOCKER_STOP_TIMEOUT" ]] && DOCKER_STOP_TIME_ARG="--time=${DOKKU_DOCKER_STOP_TIMEOUT}"
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"$DOCKER_BIN" container update --restart=no "$CONTAINER_ID" &>/dev/null || true
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"$DOCKER_BIN" container stop $DOCKER_STOP_TIME_ARG "$CONTAINER_ID" &>/dev/null || true
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"$DOCKER_BIN" container kill "$CONTAINER_ID" &>/dev/null || true
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"$DOCKER_BIN" container rm "$CONTAINER_ID" &>/dev/null || true
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local CONTAINER_STATUS
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if ! CONTAINER_STATUS="$("$DOCKER_BIN" container inspect "$CONTAINER_ID" --format '{{ .State.Status }}' 2>/dev/null)"; then
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return
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fi
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# a container started with --rm is removed by the daemon once it exits, and
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# stays inspectable in the removing state until that completes
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if [[ "$CONTAINER_STATUS" == "removing" ]]; then
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return
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fi
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dokku_log_warn "Unable to retire container ${CONTAINER_ID}"
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return 1
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}
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fn-scheduler-docker-local-run-retire() {
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declare desc="stop all containers of a given type that have exceeded their active deadline"
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declare CONTAINER_TYPE="$1" APP="$2"
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local containers=""
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# docker ands repeated label filters, so each container type requires its own pass
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declare -a filters=(--filter "label=com.dokku.container-type=$CONTAINER_TYPE")
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if [[ -n "$APP" ]]; then
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filters+=(--filter "label=com.dokku.app-name=$APP")
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fi
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containers="$("$DOCKER_BIN" container ls "${filters[@]}" --format '{{.ID}} {{.CreatedAt}}')"
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if [[ -z "$containers" ]]; then
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return
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fi
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# iterate over all containers, ignoring the timezone in the last two columns
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echo "$containers" | awk '{NF-=2} 1' | while read -r container_id container_date container_time; do
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# get the cutoff time in seconds from the container's `com.dokku.active-deadline-seconds` label,
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# along with the owning app so the app's stop timeout is respected during the global pass
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container_labels="$("$DOCKER_BIN" container inspect "$container_id" --format '{{ index .Config.Labels "com.dokku.active-deadline-seconds" }}|{{ index .Config.Labels "com.dokku.app-name" }}')"
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active_deadline_seconds="${container_labels%%|*}"
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container_app="${container_labels##*|}"
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if [[ -z "$active_deadline_seconds" ]]; then
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continue
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fi
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# convert the active deadline seconds to a unix timestamp
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cutoff_time="$(date --date="$active_deadline_seconds seconds ago" "+%s")"
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# convert the container start time to unix timestamp
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start_time="$(date --date="$container_date $container_time" "+%s")"
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# if the container start time is before the cutoff time, stop the container
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if [[ "$start_time" -lt "$cutoff_time" ]]; then
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dokku_log_verbose_quiet "Retiring container ${container_id}"
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fn-scheduler-docker-local-run-retire-container "$container_id" "$container_app"
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fi
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done
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}
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trigger-scheduler-docker-local-scheduler-run-retire() {
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declare desc="retires all run and cron containers for an app that have exceeded their active deadline"
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declare trigger="scheduler-run-retire"
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declare DOKKU_SCHEDULER="$1" APP="$2"
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declare -a CONTAINER_TYPES=(run cron)
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local exit_code=0
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if [[ -z "$DOKKU_SCHEDULER" ]]; then
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dokku_log_info1_quiet "Retiring all run and cron containers"
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for container_type in "${CONTAINER_TYPES[@]}"; do
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fn-scheduler-docker-local-run-retire "$container_type" || exit_code=1
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done
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return "$exit_code"
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fi
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if [[ "$DOKKU_SCHEDULER" != "docker-local" ]]; then
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return
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fi
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dokku_log_info1_quiet "Retiring run and cron containers for app ${APP}"
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for container_type in "${CONTAINER_TYPES[@]}"; do
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fn-scheduler-docker-local-run-retire "$container_type" "$APP" || exit_code=1
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done
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return "$exit_code"
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}
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trigger-scheduler-docker-local-scheduler-run-retire "$@"
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