expand floating registry logs (networkservicemesh#2162)

Signed-off-by: denis-tingajkin <[email protected]>

applications/nsmrs/pkg/serviceregistryserver/cache.go

@@ -75,6 +75,7 @@ func (rc *nseRegistryCache) AddNetworkServiceEndpoint(entry *registry.NSERegistr
 }
 
 func (rc *nseRegistryCache) addNetworkServiceEndpoint(entry *registry.NSERegistration) (*registry.NSERegistration, error) {
+	logrus.Infof("Start adding network service endpoint %v", entry)
 	if endpoint, ok := rc.endpoints[entry.NetworkServiceEndpoint.Name]; ok {
 		return nil, errors.Errorf("network service endpoint with name %s already exists: old: %v; new: %v", endpoint.NetworkServiceEndpoint.Name, endpoint, entry)
 	}
@@ -104,7 +105,10 @@ func (rc *nseRegistryCache) UpdateNetworkServiceEndpoint(nse *registry.NSERegist
 		if endpoint.NetworkServiceManager.Name != nse.NetworkServiceManager.Name {
 			return nil, errors.Errorf("network service endpoint with name %s already registered from different NSM: old: %v; new: %v", endpoint.NetworkServiceEndpoint.Name, endpoint, nse)
 		}
-		endpoint.NetworkServiceManager.ExpirationTime = &timestamp.Timestamp{Seconds: time.Now().Add(rc.nseExpirationTimeout).Unix()}
+		before := endpoint.NetworkServiceManager.ExpirationTime
+		after := &timestamp.Timestamp{Seconds: time.Now().Add(rc.nseExpirationTimeout).Unix()}
+		endpoint.NetworkServiceManager.ExpirationTime = after
+		logrus.Infof("Updated expiration time %v -> %v for entry %v.", before, after, endpoint)
 		return endpoint, nil
 	}
 
@@ -146,6 +150,7 @@ func StartNSMDTracking(ctx context.Context, rc *nseRegistryCache) {
 			rc.RLock()
 			var endpoints = map[string]*registry.NSERegistration{}
 			for endpointName, endpoint := range rc.endpoints {
+				logrus.Infof("Preparing endpoint: %v", endpoint)
 				endpoints[endpointName] = endpoint
 			}
 			rc.RUnlock()