TUN-3848: Use transport logger for h2mux

cmd/cloudflared/tunnel/cmd.go

@@ -313,11 +313,11 @@ func StartServer(
 		return fmt.Errorf(errText)
 	}
 
-	transportLog := logger.CreateTransportLoggerFromContext(c, isUIEnabled)
+	logTransport := logger.CreateTransportLoggerFromContext(c, isUIEnabled)
 
-	observer := connection.NewObserver(log, isUIEnabled)
+	observer := connection.NewObserver(log, logTransport, isUIEnabled)
 
-	tunnelConfig, ingressRules, err := prepareTunnelConfig(c, buildInfo, version, log, observer, namedTunnel)
+	tunnelConfig, ingressRules, err := prepareTunnelConfig(c, buildInfo, version, log, logTransport, observer, namedTunnel)
 	if err != nil {
 		log.Err(err).Msg("Couldn't start tunnel")
 		return err
@@ -364,7 +364,7 @@ func StartServer(
 			&ingressRules,
 			tunnelConfig.HAConnections,
 		)
-		app := tunnelUI.Launch(ctx, log, transportLog)
+		app := tunnelUI.Launch(ctx, log, logTransport)
 		observer.RegisterSink(app)
 	}
 

cmd/cloudflared/tunnel/configuration.go

@@ -149,7 +149,7 @@ func prepareTunnelConfig(
 	c *cli.Context,
 	buildInfo *buildinfo.BuildInfo,
 	version string,
-	log *zerolog.Logger,
+	log, logTransport *zerolog.Logger,
 	observer *connection.Observer,
 	namedTunnel *connection.NamedTunnelConfig,
 ) (*origin.TunnelConfig, ingress.Ingress, error) {
@@ -272,6 +272,7 @@ func prepareTunnelConfig(
 		LBPool:           c.String("lb-pool"),
 		Tags:             tags,
 		Log:              log,
+		LogTransport:     logTransport,
 		Observer:         observer,
 		ReportedVersion:  version,
 		// Note TUN-3758 , we use Int because UInt is not supported with altsrc

connection/connection_test.go

@@ -27,7 +27,7 @@ var (
 		Scheme: "https",
 		Host:   "connectiontest.argotunnel.com",
 	}
-	testObserver        = NewObserver(&log, false)
+	testObserver  = NewObserver(&log, &log, false)
 	testLargeResp = make([]byte, largeFileSize)
 )
 

connection/h2mux.go

@@ -77,7 +77,7 @@ func NewH2muxConnection(
 
 	// Establish a muxed connection with the edge
 	// Client mux handshake with agent server
-	muxer, err := h2mux.Handshake(edgeConn, edgeConn, *muxerConfig.H2MuxerConfig(h, observer.log), h2mux.ActiveStreams)
+	muxer, err := h2mux.Handshake(edgeConn, edgeConn, *muxerConfig.H2MuxerConfig(h, observer.logTransport), h2mux.ActiveStreams)
 	if err != nil {
 		recoverable := isHandshakeErrRecoverable(err, connIndex, observer)
 		return nil, err, recoverable

connection/observer.go

@@ -17,6 +17,7 @@ const (
 
 type Observer struct {
 	log             *zerolog.Logger
+	logTransport    *zerolog.Logger
 	metrics         *tunnelMetrics
 	tunnelEventChan chan Event
 	uiEnabled       bool
@@ -27,9 +28,10 @@ type EventSink interface {
 	OnTunnelEvent(event Event)
 }
 
-func NewObserver(log *zerolog.Logger, uiEnabled bool) *Observer {
+func NewObserver(log, logTransport *zerolog.Logger, uiEnabled bool) *Observer {
 	o := &Observer{
 		log:             log,
+		logTransport:    logTransport,
 		metrics:         newTunnelMetrics(),
 		uiEnabled:       uiEnabled,
 		tunnelEventChan: make(chan Event, observerChannelBufferSize),

connection/observer_test.go

@@ -44,7 +44,7 @@ func TestRegisterServerLocation(t *testing.T) {
 }
 
 func TestObserverEventsDontBlock(t *testing.T) {
-	observer := NewObserver(&log, false)
+	observer := NewObserver(&log, &log, false)
 	var mu sync.Mutex
 	observer.RegisterSink(EventSinkFunc(func(_ Event) {
 		// callback will block if lock is already held

origin/supervisor.go

@@ -52,6 +52,7 @@ type Supervisor struct {
 	nextConnectedSignal chan struct{}
 
 	log          *zerolog.Logger
+	logTransport *zerolog.Logger
 
 	reconnectCredentialManager *reconnectCredentialManager
 	useReconnectToken          bool
@@ -94,6 +95,7 @@ func NewSupervisor(config *TunnelConfig, reconnectCh chan ReconnectSignal, grace
 		tunnelErrors:               make(chan tunnelError),
 		tunnelsConnecting:          map[int]chan struct{}{},
 		log:                        config.Log,
+		logTransport:               config.LogTransport,
 		reconnectCredentialManager: newReconnectCredentialManager(connection.MetricsNamespace, connection.TunnelSubsystem, config.HAConnections),
 		useReconnectToken:          useReconnectToken,
 		reconnectCh:                reconnectCh,
@@ -350,7 +352,7 @@ func (s *Supervisor) authenticate(ctx context.Context, numPreviousAttempts int)
 		// This callback is invoked by h2mux when the edge initiates a stream.
 		return nil // noop
 	})
-	muxerConfig := s.config.MuxerConfig.H2MuxerConfig(handler, s.log)
+	muxerConfig := s.config.MuxerConfig.H2MuxerConfig(handler, s.logTransport)
 	muxer, err := h2mux.Handshake(edgeConn, edgeConn, *muxerConfig, h2mux.ActiveStreams)
 	if err != nil {
 		return nil, err

origin/tunnel.go

@@ -51,6 +51,7 @@ type TunnelConfig struct {
 	LBPool           string
 	Tags             []tunnelpogs.Tag
 	Log              *zerolog.Logger
+	LogTransport     *zerolog.Logger
 	Observer         *connection.Observer
 	ReportedVersion  string
 	Retries          uint

origin/tunnel_test.go

@@ -52,8 +52,9 @@ func TestWaitForBackoffFallback(t *testing.T) {
 	assert.NoError(t, err)
 	config := &TunnelConfig{
 		Log:              &log,
+		LogTransport:     &log,
 		ProtocolSelector: protocolSelector,
-		Observer:         connection.NewObserver(nil, false),
+		Observer:         connection.NewObserver(&log, &log, false),
 	}
 	connIndex := uint8(1)