Metadata:     c.meta,
			IstioVersion: c.istioVersion,
		}
	default:
		panic(fmt.Sprintf("unsupported node type: %v", c.nodeType))
	}
	clusters := cg.Clusters(cg.SetupProxy(proxy))
	xdstest.ValidateClusters(c.t, clusters)
	if len(cg.PushContext().ProxyStatus[model.DuplicatedClusters.Name()]) > 0 {
		c.t.Fatalf("duplicate clusters detected %#v", cg.PushContext().ProxyStatus[model.DuplicatedClusters.Name()])
	}