optionally skip node creation

src/org/jitsi/videobridge/pubsub/PubSubPublisher.java

@@ -216,9 +216,13 @@ public void run()
      * @param nodeName the name of the node.
      * @throws Exception if sending the request fails.
      */
-    public void createNode(String nodeName)
+    public void createNode(String nodeName, boolean skip)
         throws Exception
     {
+        if (skip) {
+            nodes.add(nodeName);
+            return;
+        }
         PubSub request = new PubSub();
         request.setTo(serviceName);
         request.setType(Type.SET);

src/org/jitsi/videobridge/stats/PubSubStatsTransport.java

@@ -40,6 +40,11 @@ public class PubSubStatsTransport
      */
     private PubSubPublisher publisher;
 
+    /**
+     * Whether to skip node creation and configuration
+     */
+    private boolean skipCreate;
+
     /**
      * The <tt>ServiceListener</tt> which listens to the <tt>BundleContext</tt>
      * in which this <tt>StatsTransport</tt> is started in order to track when
@@ -66,10 +71,11 @@ public void serviceChanged(ServiceEvent ev)
      * @param serviceName the name of the service.
      * @param nodeName the name of the PubSub node.
      */
-    public PubSubStatsTransport(String serviceName, String nodeName)
+    public PubSubStatsTransport(String serviceName, String nodeName, boolean skipCreate)
     {
         this.serviceName = serviceName;
         this.nodeName = nodeName;
+        this.skipCreate = skipCreate;
     }
 
     /**
@@ -120,7 +126,7 @@ private void init()
             publisher.addResponseListener(this);
             try
             {
-                publisher.createNode(nodeName);
+                publisher.createNode(nodeName, skipCreate);
             }
             catch (Exception e)
             {

src/org/jitsi/videobridge/stats/StatsManagerBundleActivator.java

@@ -42,6 +42,11 @@ public class StatsManagerBundleActivator
      */
     private static final String DEFAULT_STAT_TRANSPORT = null;
 
+    /**
+     * The default value for skipping the pubsub node creation and configuration
+     */
+    private static final boolean DEFAULT_PUBSUB_SKIPNODECREATE = false;
+
     /**
      * The name of the property which enables generating and sending statistics
      * about the Videobridge.
@@ -72,6 +77,13 @@ public class StatsManagerBundleActivator
     private static final String PUBSUB_SERVICE_PNAME
         = "org.jitsi.videobridge.PUBSUB_SERVICE";
 
+    /**
+     * The name of the property which specifies whether to skip node creation
+     * and configuration when the PubSub transport is used to send statistics.
+     */
+    private static final String PUBSUB_SKIP_NODECREATE
+        = "org.jitsi.videobridge.PUBSUB_SKIP_NODE_CREATION";
+
     /**
      * The value for COLIBRI statistics transport.
      */
@@ -175,11 +187,13 @@ private void start(ConfigurationService cfg)
         // Add StatsTransports to StatsManager.
         String transport = DEFAULT_STAT_TRANSPORT;
         int interval = DEFAULT_STAT_INTERVAL;
+        boolean skipNodeCreate = DEFAULT_PUBSUB_SKIPNODECREATE;
 
         if (cfg != null)
         {
             transport = cfg.getString(STATISTICS_TRANSPORT_PNAME, transport);
             interval = cfg.getInt(STATISTICS_INTERVAL_PNAME, interval);
+            skipNodeCreate = cfg.getBoolean(PUBSUB_SKIP_NODECREATE, skipNodeCreate);
         }
         if (STAT_TRANSPORT_COLIBRI.equals(transport))
         {
@@ -193,7 +207,7 @@ else if (STAT_TRANSPORT_PUBSUB.equals(transport))
             if(service != null && node != null)
             {
                 statsMgr.addTransport(
-                        new PubSubStatsTransport(service, node),
+                        new PubSubStatsTransport(service, node, skipNodeCreate),
                         interval);
             }
             else