md := meshConfig.DefaultConfig.ProxyMetadata
	if md == nil {
		md = map[string]string{}
		meshConfig.DefaultConfig.ProxyMetadata = md
	}
	md["CANONICAL_SERVICE"], md["CANONICAL_REVISION"] = labels.CanonicalService(lbls, wg.Name)
	md["POD_NAMESPACE"] = wg.Namespace
	md["SERVICE_ACCOUNT"] = we.ServiceAccount
	md["TRUST_DOMAIN"] = meshConfig.TrustDomain

	md["ISTIO_META_CLUSTER_ID"] = clusterID