266 lines
7.4 KiB
Bash
Executable File
266 lines
7.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
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source "$(dirname "$0")/config"
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get_random_ports() {
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local iterations="${1:-1}"
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for (( i=0; i < iterations; i++ )); do
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local port=$RANDOM
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local quit=0
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while [ "$quit" -ne 1 ]; do
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netstat -an | grep $port > /dev/null
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if [ $? -gt 0 ]; then
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quit=1
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else
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port=$((port + 1))
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fi
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done
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echo $port
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done
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}
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get_container_ip() {
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docker inspect --format '{{ .NetworkSettings.IPAddress }}' "$1"
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}
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verify_service_name() {
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local SERVICE="$1"
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[[ ! -n "$SERVICE" ]] && dokku_log_fail "(verify_service_name) SERVICE must not be null"
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[[ ! -d "$PLUGIN_DATA_ROOT/$SERVICE" ]] && dokku_log_fail "$PLUGIN_SERVICE service $SERVICE does not exist"
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return 0
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}
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service_alias() {
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local SERVICE="$1"
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local ALIAS_FILE="$PLUGIN_DATA_ROOT/$SERVICE/ALIAS"
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verify_service_name "$1"
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if [[ -f "$ALIAS_FILE" ]]; then
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cat "$ALIAS_FILE"
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else
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echo "$PLUGIN_DEFAULT_ALIAS"
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fi
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}
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service_info() {
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local SERVICE="$1"
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local SERVICE_URL=$(service_url "$SERVICE")
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echo " DSN: $SERVICE_URL"
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}
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service_list() {
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local SERVICES=$(ls $PLUGIN_DATA_ROOT 2> /dev/null)
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if [[ -z $SERVICES ]]; then
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dokku_log_warn "There are no $PLUGIN_SERVICE services"
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else
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dokku_log_info1_quiet "$PLUGIN_SERVICE services:"
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for SERVICE in $SERVICES; do
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dokku_log_verbose "$SERVICE $(service_status "$SERVICE")$(service_exposed_ports "$SERVICE")"
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done
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fi
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}
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service_exposed_ports() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local PORT_FILE="$SERVICE_ROOT/PORT"
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[[ ! -f $PORT_FILE ]] && return 0
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printf ", exposed port(s): %s" "$(cat "$PORT_FILE")"
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}
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service_link() {
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local APP="$2"
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local LINKS_FILE="$SERVICE_ROOT/LINKS"
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mkdir -p "$SERVICE_ROOT" || dokku_log_fail "Unable to create service directory"
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touch "$LINKS_FILE"
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echo "$APP" >> "$LINKS_FILE"
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sort "$LINKS_FILE" -u -o "$LINKS_FILE"
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dokku_log_info1 "Restarting app $APP"
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dokku ps:restart "$APP"
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}
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service_logs() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local ID=$(cat "$SERVICE_ROOT/ID")
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if [[ $2 == "-t" ]]; then
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DOKKU_LOGS_ARGS="--follow"
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else
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DOKKU_LOGS_ARGS="--tail 100"
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fi
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docker logs $DOKKU_LOGS_ARGS "$ID"
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}
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service_set_alias() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local ALIAS_FILE="$SERVICE_ROOT/ALIAS"
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mkdir -p "$SERVICE_ROOT" || dokku_log_fail "Unable to create service directory"
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touch "$ALIAS_FILE"
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echo "$2" > "$ALIAS_FILE"
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}
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service_status() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local ID="$(cat "$SERVICE_ROOT/ID")"
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is_container_status "$ID" "Dead" && echo "(dead)" && return 0
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is_container_status "$ID" "OOMKilled" && echo "(oomkilled)" && return 0
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is_container_status "$ID" "Paused" && echo "(paused)" && return 0
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is_container_status "$ID" "Restarting" && echo "(restarting)" && return 0
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is_container_status "$ID" "Running" && echo "(running)" && return 0
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echo "(stopped)" && return 0
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}
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service_port_expose() {
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service_port_unpause "$1" "true" "${@:2}"
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}
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service_port_pause() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local EXPOSED_NAME="$(get_service_name "$SERVICE").ambassador"
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local PORT_FILE="$SERVICE_ROOT/PORT"
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local LOG_FAIL="$2"
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if [[ "$LOG_FAIL" == "true" ]]; then
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[[ ! -f "$PORT_FILE" ]] && dokku_log_fail "Service not exposed"
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else
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[[ ! -f "$PORT_FILE" ]] && return 0
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fi
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docker stop "$EXPOSED_NAME" > /dev/null
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docker rm "$EXPOSED_NAME" > /dev/null
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if [[ "$LOG_FAIL" == "true" ]]; then
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dokku_log_info1 "Service $SERVICE unexposed"
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fi
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}
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service_port_unexpose() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local PORT_FILE="$SERVICE_ROOT/PORT"
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service_port_pause "$SERVICE" "true"
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rm -rf "$PORT_FILE"
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}
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service_port_unpause() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local SERVICE_NAME=$(get_service_name "$SERVICE")
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local EXPOSED_NAME="${SERVICE_NAME}.ambassador"
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local PORT_FILE="$SERVICE_ROOT/PORT"
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local LOG_FAIL="$2"
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local PORTS=(${@:3})
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PORTS=(${PORTS[@]:-$(get_random_ports ${#PLUGIN_DATASTORE_PORTS[@]})})
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local ID=$(cat "$SERVICE_ROOT/ID")
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[[ "${#PORTS[@]}" != "${#PLUGIN_DATASTORE_PORTS[@]}" ]] && dokku_log_fail "${#PLUGIN_DATASTORE_PORTS[@]} ports to be exposed need to be provided"
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if [[ "$LOG_FAIL" == "true" ]]; then
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[[ -f "$PORT_FILE" ]] && PORTS=($(cat "$PORT_FILE")) && dokku_log_fail "Service $SERVICE already exposed on port(s) ${PORTS[*]}"
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else
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[[ ! -f "$PORT_FILE" ]] && return 0
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PORTS=($(cat "$PORT_FILE"))
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fi
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echo "${PORTS[@]}" > "$PORT_FILE"
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docker run -d --link "$SERVICE_NAME:redis" --name "$EXPOSED_NAME" $(docker_ports_options "${PORTS[@]}") --restart always --label dokku=ambassador --label dokku.ambassador=redis svendowideit/ambassador > /dev/null
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if [[ "$LOG_FAIL" == "true" ]]; then
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dokku_log_info1 "Service $SERVICE exposed on port(s) ${PORTS[*]}"
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fi
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}
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docker_ports_options() {
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local PORTS=("$@")
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for (( i=0; i < ${#PLUGIN_DATASTORE_PORTS[@]}; i++ )); do
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echo -n "-p ${PORTS[i]}:${PLUGIN_DATASTORE_PORTS[i]} "
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done
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}
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service_start() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local SERVICE_NAME=$(get_service_name "$SERVICE")
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local ID=$(docker ps -f status=running | grep "$SERVICE_NAME" | awk '{print $1}') || true
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[[ -n $ID ]] && dokku_log_fail "Service is already started"
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dokku_log_info1_quiet "Starting container"
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local PREVIOUS_ID=$(docker ps -f status=exited | grep "$SERVICE_NAME" | awk '{print $1}') || true
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if [[ -n $PREVIOUS_ID ]]; then
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docker start "$PREVIOUS_ID" > /dev/null
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service_port_unpause "$SERVICE"
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dokku_log_info2 "Container started"
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else
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dokku_log_verbose_quiet "No container exists for $SERVICE"
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fi
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}
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service_stop() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE";
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local SERVICE_NAME=$(get_service_name "$SERVICE")
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local ID=$(docker ps -f status=running | grep "$SERVICE_NAME" | awk '{print $1}') || true
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[[ -z $ID ]] && dokku_log_warn "Service is already stopped" && return 0
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if [[ -n $ID ]]; then
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dokku_log_info1_quiet "Stopping container"
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docker stop "$SERVICE_NAME" > /dev/null
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service_port_pause "$SERVICE"
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dokku_log_info2 "Container stopped"
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else
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dokku_log_verbose_quiet "No container exists for $SERVICE"
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fi
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}
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service_unlink() {
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local APP="$2"
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local LINKS_FILE="$SERVICE_ROOT/LINKS"
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mkdir -p "$SERVICE_ROOT" || dokku_log_fail "Unable to create service directory"
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touch "$LINKS_FILE"
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sed -i "/^$APP\$/d" "$LINKS_FILE"
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sort "$LINKS_FILE" -u -o "$LINKS_FILE"
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dokku_log_info1 "Restarting app $APP"
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dokku ps:restart "$APP"
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}
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service_url() {
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local SERVICE="$1"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local ID="$(cat "$SERVICE_ROOT/ID")"
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local IP="$(get_container_ip "$ID")"
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echo "$PLUGIN_SCHEME://$IP:${PLUGIN_DATASTORE_PORTS[0]}/0"
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}
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is_container_status () {
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local CID=$1
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local TEMPLATE="{{.State.$2}}"
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local CONTAINER_STATUS=$(docker inspect -f "$TEMPLATE" "$CID" || true)
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if [[ "$CONTAINER_STATUS" == "true" ]]; then
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return 0
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else
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return 1
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fi
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}
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get_service_name() {
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local SERVICE="$1"
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echo "dokku.${PLUGIN_COMMAND_PREFIX}.$SERVICE"
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}
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