).Get()

	// EnableMongoFilter enables injection of `envoy.filters.network.mongo_proxy` in the filter chain.
	EnableMongoFilter = env.Register(
		"PILOT_ENABLE_MONGO_FILTER",
		true,
		"EnableMongoFilter enables injection of `envoy.filters.network.mongo_proxy` in the filter chain.",
	).Get()

		wellknown.ClientSSLAuth:               "envoy.client_ssl_auth",
		wellknown.ExternalAuthorization:       "envoy.ext_authz",
		wellknown.HTTPConnectionManager:       "envoy.http_connection_manager",
		wellknown.MongoProxy:                  "envoy.mongo_proxy",
		wellknown.RateLimit:                   "envoy.ratelimit",
		wellknown.RedisProxy:                  "envoy.redis_proxy",
		wellknown.TCPProxy:                    "envoy.tcp_proxy",
	}

	// TCPProxy network filter
	TCPProxy = "envoy.filters.network.tcp_proxy"
	// RateLimit network filter
	RateLimit = "envoy.filters.network.ratelimit"
	// MongoProxy network filter
	MongoProxy = "envoy.filters.network.mongo_proxy"
	// ThriftProxy network filter
	ThriftProxy = "envoy.filters.network.thrift_proxy"
	// RedisProxy network filter
	RedisProxy = "envoy.filters.network.redis_proxy"

}

// buildMongoFilter builds an outbound Envoy MongoProxy filter.
func buildMongoFilter(statPrefix string) *listener.Filter {
	// TODO: add a watcher for /var/lib/istio/mongo/certs
	// if certs are found use, TLS or mTLS clusters for talking to MongoDB.
	// User is responsible for mounting those certs in the pod.
	mongoProxy := &mongo.MongoProxy{

				Address: "0.0.0.0",
				PortSpecifier: &core.SocketAddress_PortValue{
					PortValue: uint32(27018),
				},
			}, "{.address.socketAddress}").
			Select("{.filterChains[0].filters[0]}").
			Equals("envoy.mongo_proxy", "{.name}").
			Select("{.typedConfig}").
			Exists("{.statPrefix}").
			CheckOrFail(t)
	})
}

func TestEgressProxy(t *testing.T) {
	s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{

	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/local_ratelimit/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/mongo_proxy/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/ratelimit/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/rbac/v3"

			port := l.Address.GetSocketAddress().GetPortValue()
			if port == 15002 {
				routes = append(routes, "http_proxy")
			} else {
				routes = append(routes, fmt.Sprintf("%d", port))
			}
		case wellknown.MongoProxy:
			// ignore for now
		case wellknown.RedisProxy:
			// ignore for now
		case wellknown.MySQLProxy:
			// ignore for now
		default:
			adscLog.Infof(protomarshal.ToJSONWithIndent(l, "  "))
		}
	}