[relay] Feature/relay integration (#2244)

This update adds new relay integration for NetBird clients. The new relay is based on web sockets and listens on a single port.

- Adds new relay implementation with websocket with single port relaying mechanism
- refactor peer connection logic, allowing upgrade and downgrade from/to P2P connection
- peer connections are faster since it connects first to relay and then upgrades to P2P
- maintains compatibility with old clients by not using the new relay
- updates infrastructure scripts with new relay service

client/internal/routemanager/client_test.go

@@ -24,7 +24,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -43,7 +42,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   true,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -62,7 +60,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   true,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -81,7 +78,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: false,
 					relayed:   false,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -100,12 +96,10 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -129,41 +123,10 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 				"route2": {
 					connected: true,
 					relayed:   true,
-					direct:    true,
-				},
-			},
-			existingRoutes: map[route.ID]*route.Route{
-				"route1": {
-					ID:     "route1",
-					Metric: route.MaxMetric,
-					Peer:   "peer1",
-				},
-				"route2": {
-					ID:     "route2",
-					Metric: route.MaxMetric,
-					Peer:   "peer2",
-				},
-			},
-			currentRoute:    "",
-			expectedRouteID: "route1",
-		},
-		{
-			name: "multiple connected peers with one direct",
-			statuses: map[route.ID]routerPeerStatus{
-				"route1": {
-					connected: true,
-					relayed:   false,
-					direct:    true,
-				},
-				"route2": {
-					connected: true,
-					relayed:   false,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -241,13 +204,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   15 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},
@@ -272,13 +233,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   200 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},
@@ -303,13 +262,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   20 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},