gatewayapi: add listenersets to sysdump

Signed-off-by: Andrew Sauber <andrew.sauber@isovalent.com>

Author: asauber

cilium-cli/sysdump/constants.go

@@ -116,6 +116,7 @@ const (
 	timestampPlaceholderFileName             = "<ts>"
 	gatewayClassesFileName                   = "gatewayapi-gatewayclasses-<ts>.yaml"
 	gatewaysFileName                         = "gatewayapi-gateways-<ts>.yaml"
+	listenerSetsFileName                     = "gatewayapi-listenersets-<ts>.yaml"
 	httpRoutesFileName                       = "gatewayapi-httproutes-<ts>.yaml"
 	tlsRoutesFileName                        = "gatewayapi-tlsroutes-<ts>.yaml"
 	grpcRoutesFileName                       = "gatewayapi-grpcroutes-<ts>.yaml"
@@ -187,6 +188,12 @@ var (
 		Version:  "v1",
 	}
 
+	listenerSet = schema.GroupVersionResource{
+		Group:    "gateway.networking.k8s.io",
+		Resource: "listenersets",
+		Version:  "v1",
+	}
+
 	referenceGrant = schema.GroupVersionResource{
 		Group:    "gateway.networking.k8s.io",
 		Resource: "referencegrants",

cilium-cli/sysdump/sysdump.go

@@ -2132,6 +2132,21 @@ func (c *Collector) getGatewayAPITasks() []Task {
 				return nil
 			},
 		},
+		{
+			Description: "Collecting ListenerSet entries",
+			Quick:       true,
+			Task: func(ctx context.Context) error {
+				n := corev1.NamespaceAll
+				v, err := c.Client.ListUnstructured(ctx, listenerSet, &n, metav1.ListOptions{})
+				if err != nil {
+					return fmt.Errorf("failed to collect ListenerSet entries: %w", err)
+				}
+				if err := c.WriteYAML(listenerSetsFileName, v); err != nil {
+					return fmt.Errorf("failed to collect ListenerSet entries: %w", err)
+				}
+				return nil
+			},
+		},
 		{
 			Description: "Collecting ReferenceGrant entries",
 			Quick:       true,