Config for UDP connection request port (#221)

lib/cluster.js

@@ -68,6 +68,8 @@ function restartWorker(worker, code, signal) {
 function start(service) {
   logger.init(service, VERSION);
   const config = require("./config");
+  const SERVICE_ADDRESS = config.get(`${service.toUpperCase()}_INTERFACE`)
+  const SERVICE_PORT = config.get(`${service.toUpperCase()}_PORT`)
 
   logger.info({
     message: `GenieACS (genieacs-${service}) starting`,
@@ -78,12 +80,15 @@ function start(service) {
   });
 
   cluster.on("listening", function(worker, address) {
-    logger.info({
-      message: "Worker listening",
-      pid: worker.process.pid,
-      address: address.address,
-      port: address.port
-    });
+    if ((address.addressType === 4 || address.addressType === 6) &&
+        address.address === SERVICE_ADDRESS && address.port === SERVICE_PORT) {
+      logger.info({
+        message: "Worker listening",
+        pid: worker.process.pid,
+        address: address.address,
+        port: address.port
+      });
+    }
   });
 
   cluster.on("exit", restartWorker);