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feat: add scheduler-post-run trigger

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After a `dokku run` container is created and started, this plugin trigger will allow developers to run auxiliary commands in response to that container.
This commit is contained in:
Jose Diaz-Gonzalez
2019-09-17 02:22:17 -04:00
parent 844b86840a
commit 360c587086
3 changed files with 41 additions and 5 deletions
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24
plugins/scheduler-docker-local/scheduler-run
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@@ -9,6 +9,7 @@ scheduler-docker-local-scheduler-run() {
declare desc="runs command in container based on app image"
declare trigger="scheduler-docker-local scheduler-run"
declare DOKKU_SCHEDULER="$1" APP="$2" ENV_COUNT="$3"
local CONTAINER_ID
shift 3
declare RUN_ENV=("${@:1:ENV_COUNT}")
@@ -42,10 +43,8 @@ scheduler-docker-local-scheduler-run() {
if [[ "$DOKKU_RM_CONTAINER" ]]; then
DOCKER_ARGS+=" --rm"
elif [[ "$DOKKU_DETACH_CONTAINER" ]]; then
DOCKER_ARGS+=" --detach"
fi
has_tty && DOCKER_ARGS+=" -i -t"
has_tty && DOCKER_ARGS+=" --interactive --tty"
# the output of docker-args-run is possibly quoted/escaped so eval to normalize
declare -a DOCKER_ARGS_ARRAY
eval "DOCKER_ARGS_ARRAY=($DOCKER_ARGS)"
@@ -76,7 +75,24 @@ scheduler-docker-local-scheduler-run() {
fi
# shellcheck disable=SC2086
"$DOCKER_BIN" container run --label=com.dokku.container-type=run "${DOCKER_RUN_LABEL_ARGS[@]}" $DOKKU_GLOBAL_RUN_ARGS "${DOCKER_ARGS_ARRAY[@]}" $IMAGE $EXEC_CMD "$@"
CONTAINER_ID="$("$DOCKER_BIN" container create --label=com.dokku.container-type=run "${DOCKER_RUN_LABEL_ARGS[@]}" $DOKKU_GLOBAL_RUN_ARGS "${DOCKER_ARGS_ARRAY[@]}" $IMAGE $EXEC_CMD "$@")"
declare -a DOCKER_START_ARGS_ARRAY
if [[ "$DOKKU_DETACH_CONTAINER" != "1" ]]; then
DOCKER_START_ARGS_ARRAY+=("--attach")
fi
local EARLY_EXIT_CODE=0 EXIT_CODE=0
if [[ "$DOKKU_DETACH_CONTAINER" == "1" ]]; then
"$DOCKER_BIN" container start "${DOCKER_START_ARGS_ARRAY[@]}" "$CONTAINER_ID" >/dev/null || CONTAINER_EXIT_CODE=$?
echo "$CONTAINER_ID"
else
"$DOCKER_BIN" container start "${DOCKER_START_ARGS_ARRAY[@]}" "$CONTAINER_ID" || CONTAINER_EXIT_CODE=$?
EXIT_CODE="$("$DOCKER_BIN" container wait "$CONTAINER_ID" 2>/dev/null || echo "$CONTAINER_EXIT_CODE")"
[[ -z "$EXIT_CODE" ]] && EXIT_CODE=0
fi
plugn trigger scheduler-post-run "$DOKKU_SCHEDULER" "$APP" "$CONTAINER_ID" "$EXIT_CODE"
return "$EXIT_CODE"
}
scheduler-docker-local-scheduler-run "$@"