✨ Adds automatic configuration of the Hassio API token

Author: frenck

node-red/rootfs/etc/cont-init.d/30-auto-api-token.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/with-contenv bash
+# ==============================================================================
+# Community Hass.io Add-ons: Node-RED
+# Ensures the correct API key is in the Node-RED configuration
+# ==============================================================================
+# shellcheck disable=SC1091
+source /usr/lib/hassio-addons/base.sh
+
+readonly CONFIG_FILE="/config/node-red/flows.json"
+
+declare TMP_FILE
+declare url
+declare key
+declare base_query
+declare query
+
+base_query='.[] | select(.url=="http://hassio/homeassistant" and .type=="server")'
+
+url=$(jq -r "${base_query} | .url" "${CONFIG_FILE}")
+key=$(jq -r "${base_query} | .pass" "${CONFIG_FILE}")
+
+if [[ "${url}" = "http://hassio/homeassistant"
+    && "${key}" != "${HASSIO_TOKEN}"
+]];
+then
+    TMP_FILE=$(mktemp)
+
+    hass.log.info 'API token is incorrect in the Node-RED configuration, fixing...'
+
+    jq "(${base_query}) = ((${base_query}) + {\"pass\": \"${HASSIO_TOKEN}\"})" "${CONFIG_FILE}" > "${TMP_FILE}" \
+        || hass.die 'Failed to set Hass.io API token into the Node-RED config'
+
+    mv "${TMP_FILE}" "${CONFIG_FILE}" \
+        || hass.die 'Failed updating the Hass.io configuration'
+fi