395 lines
13 KiB
Bash
Executable File
395 lines
13 KiB
Bash
Executable File
#!/usr/bin/env bash
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source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
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set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
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source "$PLUGIN_AVAILABLE_PATH/config/functions"
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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="$1"
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local SERVICE_NAME="$(get_service_name "$SERVICE")"
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echo "$SERVICE_NAME" | tr ._ -
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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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LIST="NAME,VERSION,STATUS,EXPOSED PORTS,LINKS\n"
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for SERVICE in $SERVICES; do
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LIST+="$SERVICE,$(service_version "$SERVICE"),$(service_status "$SERVICE"),$(service_exposed_ports "$SERVICE"),$(service_linked_apps "$SERVICE")\n"
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done
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printf "%b" "$LIST" | column -t -s,
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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 $PORT_FILE ]] && echo '-' && return 0
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local PORTS=($(cat "$PORT_FILE"))
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for (( i=0; i < ${#PLUGIN_DATASTORE_PORTS[@]}; i++ )); do
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echo -n "${PLUGIN_DATASTORE_PORTS[i]}->${PORTS[i]} "
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done
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}
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service_link() {
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local APP="$2"
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local SERVICE="$1"
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update_plugin_scheme_for_app "$APP"
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local SERVICE_URL=$(service_url "$SERVICE")
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local SERVICE_NAME="$(get_service_name "$SERVICE")"
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local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
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local EXISTING_CONFIG=$(config_all "$APP")
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local LINK=$(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1) || true
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local DEFAULT_ALIAS=$(echo "$EXISTING_CONFIG" | grep "${PLUGIN_DEFAULT_ALIAS}_URL") || true
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local SERVICE_ALIAS=$(service_alias "$SERVICE")
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local LINKS_FILE="$SERVICE_ROOT/LINKS"
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[[ -n $LINK ]] && dokku_log_fail "Already linked as $LINK"
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mkdir -p "$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 "$LINKS_FILE"
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local ALIAS="$PLUGIN_DEFAULT_ALIAS"
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if [[ -n $DEFAULT_ALIAS ]]; then
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ALIAS=$(service_alternative_alias "$EXISTING_CONFIG")
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fi
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dokku docker-options:add "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_ALIAS"
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config_set "$APP" "${ALIAS}_URL=$SERVICE_URL"
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}
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service_alternative_alias() {
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local EXISTING_CONFIG="$1"
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local COLORS=(AQUA BLACK BLUE FUCHSIA GRAY GREEN LIME MAROON NAVY OLIVE PURPLE RED SILVER TEAL WHITE YELLOW)
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local ALIAS;
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while [[ -z $ALIAS ]]; do
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local IDX=$((RANDOM % ${#COLORS[*]}))
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local COLOR=${COLORS[IDX]}
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ALIAS="${PLUGIN_ALT_ALIAS}_${COLOR}"
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local IN_USE=$(echo "$EXISTING_CONFIG" | grep "${ALIAS}_URL")
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if [[ -n $IN_USE ]]; then
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unset ALIAS
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fi
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done
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echo "$ALIAS"
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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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# shellcheck disable=SC2086
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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_start "$1" "true"
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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="$2"
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# shellcheck disable=SC2068
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local PORTS=(${@:3})
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# shellcheck disable=SC2068
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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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# shellcheck disable=SC2046
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docker run -d --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" --name "$EXPOSED_NAME" $(docker_ports_options "${PORTS[@]}") --restart always --label dokku=ambassador --label "dokku.ambassador=$PLUGIN_COMMAND_PREFIX" svendowideit/ambassador > /dev/null
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if [[ "$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 QUIET="$2"
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local SERVICE_ROOT="$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 -e "$SERVICE_NAME$" | awk '{print $1}') || true
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if [[ -n $ID ]]; then
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[[ -z $QUIET ]] && dokku_log_warn "Service is already started"
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return 0
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fi
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dokku_log_info1_quiet "Starting container"
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local PREVIOUS_ID=$(docker ps -f status=exited | grep -e "$SERVICE_NAME$" | awk '{print $1}') || true
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local IMAGE_EXISTS=$(docker images | grep -e "^$PLUGIN_IMAGE " | grep -q " $PLUGIN_IMAGE_VERSION " && true)
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local ROOTPASSWORD=$(cat "$SERVICE_ROOT/ROOTPASSWORD")
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local PASSWORD=$(cat "$SERVICE_ROOT/PASSWORD")
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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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elif $IMAGE_EXISTS && [[ -n "$ROOTPASSWORD" ]] && [[ -n "$PASSWORD" ]]; then
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service_create_container "$SERVICE"
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else
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dokku_log_verbose_quiet "Neither container nor valid configuration exists for $SERVICE"
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fi
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}
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service_create_container() {
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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 "$SERVICE")"
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local ROOTPASSWORD=$(cat "$SERVICE_ROOT/ROOTPASSWORD")
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local PASSWORD=$(cat "$SERVICE_ROOT/PASSWORD")
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ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/var/lib/mysql" -v "$SERVICE_ROOT/config:/etc/mysql/conf.d" -e "MYSQL_ROOT_PASSWORD=$ROOTPASSWORD" -e MYSQL_USER=mysql -e "MYSQL_PASSWORD=$PASSWORD" -e "MYSQL_DATABASE=\`$SERVICE\`" --env-file="$SERVICE_ROOT/ENV" -d --restart always --label dokku=service --label dokku.service=mysql "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION")
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echo "$ID" > "$SERVICE_ROOT/ID"
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dokku_log_verbose_quiet "Waiting for container to be ready"
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docker run --rm --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" dokkupaas/wait > /dev/null
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dokku_log_info2 "$PLUGIN_SERVICE container created: $SERVICE"
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dokku "$PLUGIN_COMMAND_PREFIX:info" "$SERVICE"
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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 -e "$SERVICE_NAME$" | 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="$1"
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update_plugin_scheme_for_app "$APP"
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local SERVICE_URL=$(service_url "$SERVICE")
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local SERVICE_NAME="$(get_service_name "$SERVICE")"
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local EXISTING_CONFIG=$(config_all "$APP")
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local SERVICE_ALIAS=$(service_alias "$SERVICE")
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local LINK=($(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1)) || true
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[[ -z ${LINK[*]} ]] && dokku_log_fail "Not linked to app $APP"
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remove_from_links_file "$SERVICE" "$APP"
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dokku docker-options:remove "$APP" build,deploy,run "--link $SERVICE_NAME:$SERVICE_ALIAS"
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config_unset "$APP" "${LINK[*]}"
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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/$SERVICE"
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local PASSWORD="$(cat "$SERVICE_ROOT/PASSWORD")"
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local SERVICE_ALIAS="$(service_alias "$SERVICE")"
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echo "$PLUGIN_SCHEME://mysql:$PASSWORD@$SERVICE_ALIAS:${PLUGIN_DATASTORE_PORTS[0]}/$SERVICE"
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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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service_version() {
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local SERVICE="$1"
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local SERVICE_NAME="$(get_service_name "$SERVICE")"
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docker inspect -f '{{.Config.Image}}' "$SERVICE_NAME"
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}
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get_url_from_config() {
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local EXISTING_CONFIG="$1"
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local CONFIG_VAR="$2"
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echo "$EXISTING_CONFIG" | grep "$CONFIG_VAR" | sed "s/$CONFIG_VAR:\s*//" | xargs
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}
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promote() {
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local SERVICE="$1"
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local APP="$2"
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local PLUGIN_DEFAULT_CONFIG_VAR="${PLUGIN_DEFAULT_ALIAS}_URL"
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local EXISTING_CONFIG=$(config_all "$APP")
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update_plugin_scheme_for_app "$APP"
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local SERVICE_URL=$(service_url "$SERVICE")
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local CONFIG_VARS=($(echo "$EXISTING_CONFIG" | grep "$SERVICE_URL" | cut -d: -f1)) || true
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local PREVIOUS_DEFAULT_URL=$(get_url_from_config "$EXISTING_CONFIG" "$PLUGIN_DEFAULT_CONFIG_VAR")
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[[ -z ${CONFIG_VARS[*]} ]] && dokku_log_fail "Not linked to app $APP"
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[[ ${CONFIG_VARS[*]} =~ $PLUGIN_DEFAULT_CONFIG_VAR ]] && dokku_log_fail "Service $1 already promoted as $PLUGIN_DEFAULT_CONFIG_VAR"
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local NEW_CONFIG_VARS=""
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if [[ -n $PREVIOUS_DEFAULT_URL ]]; then
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local PREVIOUS_ALIAS=$(echo "$EXISTING_CONFIG" | grep "$PREVIOUS_DEFAULT_URL" | grep -v "$PLUGIN_DEFAULT_CONFIG_VAR") || true
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if [[ -z $PREVIOUS_ALIAS ]]; then
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local ALIAS=$(service_alternative_alias "$EXISTING_CONFIG")
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NEW_CONFIG_VARS+="${ALIAS}_URL=$PREVIOUS_DEFAULT_URL "
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fi
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fi
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local PROMOTE_URL=$(get_url_from_config "$EXISTING_CONFIG" "${CONFIG_VARS[0]}")
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NEW_CONFIG_VARS+="$PLUGIN_DEFAULT_CONFIG_VAR=$PROMOTE_URL"
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# shellcheck disable=SC2086
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config_set "$APP" $NEW_CONFIG_VARS
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}
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remove_from_links_file() {
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local SERVICE="$1"
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local APP="$2"
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local SERVICE_ROOT="$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.bak "/^$APP\$/d" "$LINKS_FILE" && rm "$LINKS_FILE.bak"
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sort "$LINKS_FILE" -u -o "$LINKS_FILE"
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}
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service_linked_apps() {
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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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[[ -z $(< "$LINKS_FILE") ]] && echo '-' && return 0
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tr '\n' ' ' < "$LINKS_FILE"
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}
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update_plugin_scheme_for_app() {
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local APP="$1"
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local MYSQL_DATABASE_SCHEME=$(config_get "$APP" MYSQL_DATABASE_SCHEME)
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PLUGIN_SCHEME=${MYSQL_DATABASE_SCHEME:-$PLUGIN_SCHEME}
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}
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