Keep track of missed and unensured counts

federation/pkg/federation-controller/service/servicecontroller.go

@@ -724,22 +724,24 @@ func (s *ServiceController) lockedUpdateDNSRecords(service *cachedService, clust
 	if !wantsDNSRecords(service.appliedState) {
 		return nil
 	}
-	ensuredCount := 0
+
+	var err error
+	missedCount := 0
+	unensuredCount := 0
 	for key := range s.clusterCache.clientMap {
 		for _, clusterName := range clusterNames {
 			if key == clusterName {
-				err := s.ensureDnsRecords(clusterName, service)
-				if err != nil {
-					glog.Errorf("Failed to ensure DNS records for service %v in cluster %s due to %v", service, clusterName, err)
+				if err = s.ensureDnsRecords(clusterName, service); err != nil {
+					unensuredCount += 1
+				}
 			} else {
-					ensuredCount += 1
+				missedCount += 1
 			}
 		}
 	}
-	}
-	if ensuredCount < len(clusterNames) {
-		return fmt.Errorf("Failed to update DNS records for %d of %d clusters for service %v due to missing clients for those clusters",
-			len(clusterNames)-ensuredCount, len(clusterNames), service)
+	if missedCount > 0 || unensuredCount > 0 {
+		return fmt.Errorf("Failed to update DNS records for %d clusters for service %v due to missing clients[missed count: %d] or ensuring DNS records error[unensured count: %d] %v",
+			len(clusterNames), service, missedCount, unensuredCount, err)
 	}
 	return nil
 }