openvidu-server: Kms#fetchMediaServerType performed in single point

openvidu-server/src/main/java/io/openvidu/server/kurento/kms/FixedOneKmsManager.java

@@ -56,12 +56,11 @@ public class FixedOneKmsManager extends KmsManager {
 
 			// TODO: This should be done in KurentoClient connected event
 			kms.setKurentoClientConnected(true);
-			MediaServer mediaServer = kms.fetchMediaServerType();
 
 			this.addKms(kms);
 
 			// Set Media Server in OpenVidu configuration
-			this.openviduConfig.setMediaServer(mediaServer);
+			this.openviduConfig.setMediaServer(kms.getMediaServer());
 
 		} catch (KurentoException e) {
 			log.error("KMS in {} is not reachable by OpenVidu Server", firstProps.getUri());

openvidu-server/src/main/java/io/openvidu/server/kurento/kms/Kms.java

@@ -147,6 +147,9 @@ public class Kms {
 		if (isConnected) {
 			this.setTimeOfKurentoClientConnection(timestamp);
 			this.mediaNodeManager.mediaNodeUsageRegistration(this, timestamp);
+			if (this.mediaServer == null) {
+				this.fetchMediaServerType();
+			}
 		} else {
 			this.setTimeOfKurentoClientDisconnection(timestamp);
 			this.mediaNodeManager.mediaNodeUsageDeregistration(this, timestamp);
@@ -298,6 +301,13 @@ public class Kms {
 		return this.activeComposedRecordings.intValue();
 	}
 
+	public MediaServer getMediaServer() {
+		if (this.mediaServer == null) {
+			this.fetchMediaServerType();
+		}
+		return this.mediaServer;
+	}
+
 	public MediaServer fetchMediaServerType() {
 		ServerInfo serverInfo = this.client.getServerManager().getInfo();
 		if (serverInfo.getVersion().startsWith("openvidu/mediasoup-controller")) {

openvidu-server/src/test/java/io/openvidu/server/test/integration/config/IntegrationTestConfiguration.java

@@ -62,7 +62,6 @@ public class IntegrationTestConfiguration {
 
 				kms.setKurentoClient(kClient);
 				kms.setKurentoClientConnected(true);
-				kms.fetchMediaServerType();
 
 				spy.addKms(kms);
 				successfullyConnectedKmss.add(kms);