allow mqtt autodiscover

gazpar2mqtt/rootfs/scripts/91-run_mqtt_autodiscover.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bashio
+
+#####################
+# Autodiscover mqtt #
+#####################
+
+if bashio::config.true 'mqtt_autodiscover'; then
+    bashio::log.info "mqtt_autodiscover is defined in options, attemption autodiscovery..."
+    # Check if available
+    [ ! bashio::services.available "mqtt" ] && bashio::exit.nok "No internal MQTT service found. Please install Mosquitto broker"
+    # Get variables
+    bashio::log.info "... MQTT service found, fetching server detail ..."
+    export MQTT_HOST=$(bashio::services mqtt "host")
+    export MQTT_PORT=$(bashio::services mqtt "port")
+    export MQTT_SSL=$(bashio::services mqtt "ssl")
+    export MQTT_USERNAME=$(bashio::services mqtt "username")
+    export MQTT_PASSWORD=$(bashio::services mqtt "password")
+    # Export variables
+    for variables in "MQTT_HOST=$MQTT_HOST" "MQTT_PORT=$MQTT_PORT" "MQTT_SSL=$MQTT_SSL" "MQTT_USERNAME=$MQTT_USERNAME" "MQTT_PASSWORD=$MQTT_PASSWORD"; do
+        sed -i "1a export $variables" /etc/services.d/*/*run*
+        sed -i "1a export $variables" /scripts/*run*
+    done
+    # Log
+    bashio::log.info "Received user: '$MQTT_USERNAME' for MQTT at '$MQTT_HOST:$MQTT_PORT'!"
+fi