fix(container): avoid duplicate Wayne workload rows

server/internal/service/container_service.go

@@ -65,6 +65,7 @@ func (s *WayneRoleBindingService) ContainerServiceData(ctx context.Context, quer
 	}
 	workloads := make([]ContainerWorkload, 0)
 	clusterNodes := map[string]wayneNodeSummary{}
+	seenWorkloads := map[string]struct{}{}
 	errors := make([]string, 0)
 
 	for _, binding := range query.Namespaces {
@@ -88,6 +89,11 @@ func (s *WayneRoleBindingService) ContainerServiceData(ctx context.Context, quer
 			errors = append(errors, fmt.Sprintf("namespace %d apps: %v", binding.WayneNamespaceID, err))
 			continue
 		}
+		if len(apps) == 0 {
+			errors = append(errors, fmt.Sprintf("namespace %d has no apps for deployment query", binding.WayneNamespaceID))
+			continue
+		}
+		appID := apps[0].ID
 		for _, cluster := range clusters {
 			if _, ok := clusterNodes[cluster]; !ok {
 				nodes, err := s.getWayneNodes(ctx, cluster)
@@ -97,21 +103,24 @@ func (s *WayneRoleBindingService) ContainerServiceData(ctx context.Context, quer
 					clusterNodes[cluster] = nodes
 				}
 			}
-			for _, app := range apps {
-				items, err := s.listWayneDeployments(ctx, app.ID, kubeNamespace, cluster)
-				if err != nil {
-					errors = append(errors, fmt.Sprintf("namespace %d cluster %s app %d deployments: %v", binding.WayneNamespaceID, cluster, app.ID, err))
+			items, err := s.listWayneDeployments(ctx, appID, kubeNamespace, cluster)
+			if err != nil {
+				errors = append(errors, fmt.Sprintf("namespace %d cluster %s app %d deployments: %v", binding.WayneNamespaceID, cluster, appID, err))
+				continue
+			}
+			for _, item := range items {
+				workload := containerWorkloadFromMap(item, cluster, kubeNamespace, query.BusinessLineName)
+				if workload.Name == "" {
 					continue
 				}
-				for _, item := range items {
-					workload := containerWorkloadFromMap(item, cluster, kubeNamespace, query.BusinessLineName)
-					if workload.Name == "" {
-						continue
-					}
-					workloads = append(workloads, workload)
-					summary.Pods += workload.Pods
-					summary.ReadyPods += workload.ReadyPods
+				key := strings.Join([]string{workload.Cluster, workload.Namespace, workload.Workload, workload.Name}, "\x00")
+				if _, ok := seenWorkloads[key]; ok {
+					continue
 				}
+				seenWorkloads[key] = struct{}{}
+				workloads = append(workloads, workload)
+				summary.Pods += workload.Pods
+				summary.ReadyPods += workload.ReadyPods
 			}
 		}
 	}