Fix #1: always update certUrl from add-on options on restart, add jq for config management

Author: andlo

meshcentral/Dockerfile

@@ -1,8 +1,8 @@
 ARG BUILD_FROM=ghcr.io/home-assistant/amd64-base:latest
 FROM $BUILD_FROM
 
-# Install Node.js (required for MeshCentral)
-RUN apk add --no-cache nodejs npm
+# Install Node.js and jq (required for MeshCentral and config management)
+RUN apk add --no-cache nodejs npm jq
 
 # Install MeshCentral
 RUN npm install -g meshcentral

meshcentral/run.sh

@@ -14,12 +14,14 @@ fi
 bashio::log.info "Starting MeshCentral..."
 bashio::log.info "Hostname: ${HOSTNAME}"
 bashio::log.info "Data path: ${DATA_PATH}"
+bashio::log.info "Cert URL: ${CERT_URL:-not set}"
 
 # Create data directory
 mkdir -p "${DATA_PATH}"
 
-# Generate config.json if it doesn't exist
 CONFIG_FILE="${DATA_PATH}/config.json"
+
+# Generate config.json if it doesn't exist
 if [ ! -f "$CONFIG_FILE" ]; then
     bashio::log.info "Creating initial MeshCentral config..."
     cat > "$CONFIG_FILE" << EOF
@@ -43,7 +45,24 @@ if [ ! -f "$CONFIG_FILE" ]; then
   }
 }
 EOF
-    bashio::log.info "Config created. NOTE: Set 'newAccounts: true' temporarily to create your first admin account!"
+    bashio::log.info "Config created."
+    bashio::log.info "NOTE: Set 'newAccounts: true' temporarily to create your first admin account!"
+fi
+
+# Always update certUrl from add-on options (even if config already existed)
+# This ensures changes to cert_url in HA options take effect on restart
+if command -v jq &> /dev/null; then
+    if [ -n "$CERT_URL" ]; then
+        bashio::log.info "Updating certUrl in config.json..."
+        jq --arg url "$CERT_URL" '.domains[""].certUrl = $url' "$CONFIG_FILE" > /tmp/mc_config_tmp.json \
+            && mv /tmp/mc_config_tmp.json "$CONFIG_FILE"
+    else
+        bashio::log.info "No cert_url set — removing certUrl from config.json if present..."
+        jq 'del(.domains[""].certUrl)' "$CONFIG_FILE" > /tmp/mc_config_tmp.json \
+            && mv /tmp/mc_config_tmp.json "$CONFIG_FILE"
+    fi
+else
+    bashio::log.warning "jq not found — certUrl will only be set on first run. Install jq for dynamic updates."
 fi
 
 # Start MeshCentral