TUN-3216: UI improvements

cmd/cloudflared/service_template.go

@@ -80,7 +80,7 @@ func runCommand(command string, args ...string) error {
 		return fmt.Errorf("error starting %s: %v", command, err)
 	}
 
-	ioutil.ReadAll(stderr)
+	_, _ = ioutil.ReadAll(stderr)
 	err = cmd.Wait()
 	if err != nil {
 		return fmt.Errorf("%s returned with error: %v", command, err)

cmd/cloudflared/tunnel/cmd.go

@@ -36,7 +36,6 @@ import (
 	"github.com/cloudflare/cloudflared/tunneldns"
 	"github.com/cloudflare/cloudflared/tunnelstore"
 	"github.com/cloudflare/cloudflared/websocket"
-	"github.com/rivo/tview"
 
 	"github.com/coreos/go-systemd/daemon"
 	"github.com/facebookgo/grace/gracenet"
@@ -93,6 +92,9 @@ const (
 	// bastionFlag is to enable bastion, or jump host, operation
 	bastionFlag = "bastion"
 
+	// uiFlag is to enable launching cloudflared in interactive UI mode
+	uiFlag = "ui"
+
 	logDirectoryFlag = "log-directory"
 
 	debugLevelWarning = "At debug level, request URL, method, protocol, content legnth and header will be logged. " +
@@ -213,26 +215,11 @@ func Commands() []*cli.Command {
 }
 
 func TunnelCommand(c *cli.Context) error {
-	if name := c.String("name"); name != "" {
+	if name := c.String("name"); name != "" { // Start a named tunnel
 		return adhocNamedTunnel(c, name)
+	} else { // Start a classic tunnel
+		return classicTunnel(c)
 	}
-
-	if c.IsSet("launch-ui") {
-		// Create textView to stream logs to
-		logTextView := ui.NewDynamicColorTextView()
-		logger, err := createLoggerConfigured(c, false, logTextView)
-		if err != nil {
-			return errors.Wrap(err, "error setting up logger")
-		}
-		return StartServer(c, version, shutdownC, graceShutdownC, nil, logger, logTextView)
-	}
-
-	logger, err := createLogger(c, false)
-	if err != nil {
-		return errors.Wrap(err, "error setting up logger")
-	}
-
-	return StartServer(c, version, shutdownC, graceShutdownC, nil, logger, nil)
 }
 
 func Init(v string, s, g chan struct{}) {
@@ -256,7 +243,7 @@ func adhocNamedTunnel(c *cli.Context, name string) error {
 		sc.logger.Infof("Tunnel already created with ID %s", tunnel.ID)
 	}
 
-	if r, ok := routeFromFlag(c, tunnel.ID); ok {
+	if r, ok := routeFromFlag(c); ok {
 		if err := sc.route(tunnel.ID, r); err != nil {
 			sc.logger.Errorf("failed to create route, please create it manually. err: %v.", err)
 		} else {
@@ -271,7 +258,17 @@ func adhocNamedTunnel(c *cli.Context, name string) error {
 	return nil
 }
 
-func routeFromFlag(c *cli.Context, tunnelID uuid.UUID) (tunnelstore.Route, bool) {
+// classicTunnel creates a "classic" non-named tunnel
+func classicTunnel(c *cli.Context) error {
+	sc, err := newSubcommandContext(c)
+	if err != nil {
+		return err
+	}
+
+	return StartServer(c, version, shutdownC, graceShutdownC, nil, sc.logger, sc.isUIEnabled)
+}
+
+func routeFromFlag(c *cli.Context) (tunnelstore.Route, bool) {
 	if hostname := c.String("hostname"); hostname != "" {
 		if lbPool := c.String("lb-pool"); lbPool != "" {
 			return tunnelstore.NewLBRoute(hostname, lbPool), true
@@ -281,8 +278,8 @@ func routeFromFlag(c *cli.Context, tunnelID uuid.UUID) (tunnelstore.Route, bool)
 	return nil, false
 }
 
-func createLogger(c *cli.Context, isTransport bool) (*logger.OutputWriter, error) {
+func createLogger(c *cli.Context, isTransport bool, disableTerminal bool) (*logger.OutputWriter, error) {
-	loggerOpts := []logger.Option{}
+	var loggerOpts []logger.Option
 
 	logPath := c.String("logfile")
 	if logPath == "" {
@@ -302,34 +299,28 @@ func createLogger(c *cli.Context, isTransport bool) (*logger.OutputWriter, error
 	}
 	loggerOpts = append(loggerOpts, logger.LogLevelString(logLevel))
 
-	if c.IsSet("launch-ui") {
+	if disableTerminal {
 		disableOption := logger.DisableTerminal(true)
 		loggerOpts = append(loggerOpts, disableOption)
 	}
 
-	return logger.New(loggerOpts...)
+	l, err := logger.New(loggerOpts...)
-}
-
-// Create logger configured for use in UI
-func createLoggerConfigured(c *cli.Context, isTransport bool, logTextView *tview.TextView) (logger.Service, error) {
-	l, err := createLogger(c, isTransport)
 	if err != nil {
-		return nil, errors.Wrap(err, "Error creating logger")
+		return nil, err
 	}
 
-	logLevel := c.String("loglevel")
-	supportedLevels, err := logger.GetSupportedLevels(logLevel)
-	if err != nil {
-		return nil, errors.Wrap(err, "Error parsing supported levels")
-	}
-
-	// Add TextView as a group to write output to
-	l.Add(logTextView, logger.NewUIFormatter(time.RFC3339), supportedLevels...)
-
 	return l, nil
 }
 
-func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan struct{}, namedTunnel *origin.NamedTunnelConfig, logger logger.Service, logTextView *tview.TextView) error {
+func StartServer(
+	c *cli.Context,
+	version string,
+	shutdownC,
+	graceShutdownC chan struct{},
+	namedTunnel *origin.NamedTunnelConfig,
+	log logger.Service,
+	isUIEnabled bool,
+) error {
 	_ = raven.SetDSN(sentryDSN)
 	var wg sync.WaitGroup
 	listeners := gracenet.Net{}
@@ -338,45 +329,49 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 	dnsReadySignal := make(chan struct{})
 
 	if c.String("config") == "" {
-		logger.Infof("Cannot determine default configuration path. No file %v in %v", config.DefaultConfigFiles, config.DefaultConfigSearchDirectories())
+		log.Infof(
+			"Cannot determine default configuration path. No file %v in %v",
+			config.DefaultConfigFiles,
+			config.DefaultConfigSearchDirectories(),
+		)
 	}
 
 	if c.IsSet("trace-output") {
 		tmpTraceFile, err := ioutil.TempFile("", "trace")
 		if err != nil {
-			logger.Errorf("Failed to create new temporary file to save trace output: %s", err)
+			log.Errorf("Failed to create new temporary file to save trace output: %s", err)
 		}
 
 		defer func() {
 			if err := tmpTraceFile.Close(); err != nil {
-				logger.Errorf("Failed to close trace output file %s with error: %s", tmpTraceFile.Name(), err)
+				log.Errorf("Failed to close trace output file %s with error: %s", tmpTraceFile.Name(), err)
 			}
 			if err := os.Rename(tmpTraceFile.Name(), c.String("trace-output")); err != nil {
-				logger.Errorf("Failed to rename temporary trace output file %s to %s with error: %s", tmpTraceFile.Name(), c.String("trace-output"), err)
+				log.Errorf("Failed to rename temporary trace output file %s to %s with error: %s", tmpTraceFile.Name(), c.String("trace-output"), err)
 			} else {
 				err := os.Remove(tmpTraceFile.Name())
 				if err != nil {
-					logger.Errorf("Failed to remove the temporary trace file %s with error: %s", tmpTraceFile.Name(), err)
+					log.Errorf("Failed to remove the temporary trace file %s with error: %s", tmpTraceFile.Name(), err)
 				}
 			}
 		}()
 
 		if err := trace.Start(tmpTraceFile); err != nil {
-			logger.Errorf("Failed to start trace: %s", err)
+			log.Errorf("Failed to start trace: %s", err)
 			return errors.Wrap(err, "Error starting tracing")
 		}
 		defer trace.Stop()
 	}
 
 	buildInfo := buildinfo.GetBuildInfo(version)
-	buildInfo.Log(logger)
+	buildInfo.Log(log)
-	logClientOptions(c, logger)
+	logClientOptions(c, log)
 
 	if c.IsSet("proxy-dns") {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			errC <- runDNSProxyServer(c, dnsReadySignal, shutdownC, logger)
+			errC <- runDNSProxyServer(c, dnsReadySignal, shutdownC, log)
 		}()
 	} else {
 		close(dnsReadySignal)
@@ -387,24 +382,24 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 
 	metricsListener, err := listeners.Listen("tcp", c.String("metrics"))
 	if err != nil {
-		logger.Errorf("Error opening metrics server listener: %s", err)
+		log.Errorf("Error opening metrics server listener: %s", err)
 		return errors.Wrap(err, "Error opening metrics server listener")
 	}
 	defer metricsListener.Close()
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		errC <- metrics.ServeMetrics(metricsListener, shutdownC, logger)
+		errC <- metrics.ServeMetrics(metricsListener, shutdownC, log)
 	}()
 
 	go notifySystemd(connectedSignal)
 	if c.IsSet("pidfile") {
-		go writePidFile(connectedSignal, c.String("pidfile"), logger)
+		go writePidFile(connectedSignal, c.String("pidfile"), log)
 	}
 
 	cloudflaredID, err := uuid.NewRandom()
 	if err != nil {
-		logger.Errorf("Cannot generate cloudflared ID: %s", err)
+		log.Errorf("Cannot generate cloudflared ID: %s", err)
 		return err
 	}
 
@@ -415,12 +410,12 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 	}()
 
 	// update needs to be after DNS proxy is up to resolve equinox server address
-	if updater.IsAutoupdateEnabled(c, logger) {
+	if updater.IsAutoupdateEnabled(c, log) {
-		logger.Infof("Autoupdate frequency is set to %v", c.Duration("autoupdate-freq"))
+		log.Infof("Autoupdate frequency is set to %v", c.Duration("autoupdate-freq"))
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			autoupdater := updater.NewAutoUpdater(c.Duration("autoupdate-freq"), &listeners, logger)
+			autoupdater := updater.NewAutoUpdater(c.Duration("autoupdate-freq"), &listeners, log)
 			errC <- autoupdater.Run(ctx)
 		}()
 	}
@@ -429,21 +424,21 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 	if dnsProxyStandAlone(c) {
 		connectedSignal.Notify()
 		// no grace period, handle SIGINT/SIGTERM immediately
-		return waitToShutdown(&wg, errC, shutdownC, graceShutdownC, 0, logger)
+		return waitToShutdown(&wg, errC, shutdownC, graceShutdownC, 0, log)
 	}
 
 	if c.IsSet("hello-world") {
-		logger.Infof("hello-world set")
+		log.Infof("hello-world set")
 		helloListener, err := hello.CreateTLSListener("127.0.0.1:")
 		if err != nil {
-			logger.Errorf("Cannot start Hello World Server: %s", err)
+			log.Errorf("Cannot start Hello World Server: %s", err)
 			return errors.Wrap(err, "Cannot start Hello World Server")
 		}
 		defer helloListener.Close()
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			hello.StartHelloWorldServer(logger, helloListener, shutdownC)
+			_ = hello.StartHelloWorldServer(log, helloListener, shutdownC)
 		}()
 		forceSetFlag(c, "url", "https://"+helloListener.Addr().String())
 	}
@@ -451,11 +446,11 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 	if c.IsSet(sshServerFlag) {
 		if runtime.GOOS != "darwin" && runtime.GOOS != "linux" {
 			msg := fmt.Sprintf("--ssh-server is not supported on %s", runtime.GOOS)
-			logger.Error(msg)
+			log.Error(msg)
 			return errors.New(msg)
 		}
 
-		logger.Infof("ssh-server set")
+		log.Infof("ssh-server set")
 
 		logManager := sshlog.NewEmptyManager()
 		if c.IsSet(bucketNameFlag) && c.IsSet(regionNameFlag) && c.IsSet(accessKeyIDFlag) && c.IsSet(secretIDFlag) {
@@ -463,34 +458,34 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 				c.String(accessKeyIDFlag), c.String(secretIDFlag), c.String(sessionTokenIDFlag), c.String(s3URLFlag))
 			if err != nil {
 				msg := "Cannot create uploader for SSH Server"
-				logger.Errorf("%s: %s", msg, err)
+				log.Errorf("%s: %s", msg, err)
 				return errors.Wrap(err, msg)
 			}
 
 			if err := os.MkdirAll(sshLogFileDirectory, 0700); err != nil {
 				msg := fmt.Sprintf("Cannot create SSH log file directory %s", sshLogFileDirectory)
-				logger.Errorf("%s: %s", msg, err)
+				log.Errorf("%s: %s", msg, err)
 				return errors.Wrap(err, msg)
 			}
 
 			logManager = sshlog.New(sshLogFileDirectory)
 
-			uploadManager := awsuploader.NewDirectoryUploadManager(logger, uploader, sshLogFileDirectory, 30*time.Minute, shutdownC)
+			uploadManager := awsuploader.NewDirectoryUploadManager(log, uploader, sshLogFileDirectory, 30*time.Minute, shutdownC)
 			uploadManager.Start()
 		}
 
 		localServerAddress := "127.0.0.1:" + c.String(sshPortFlag)
-		server, err := sshserver.New(logManager, logger, version, localServerAddress, c.String("hostname"), c.Path(hostKeyPath), shutdownC, c.Duration(sshIdleTimeoutFlag), c.Duration(sshMaxTimeoutFlag))
+		server, err := sshserver.New(logManager, log, version, localServerAddress, c.String("hostname"), c.Path(hostKeyPath), shutdownC, c.Duration(sshIdleTimeoutFlag), c.Duration(sshMaxTimeoutFlag))
 		if err != nil {
 			msg := "Cannot create new SSH Server"
-			logger.Errorf("%s: %s", msg, err)
+			log.Errorf("%s: %s", msg, err)
 			return errors.Wrap(err, msg)
 		}
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
 			if err = server.Start(); err != nil && err != ssh.ErrServerClosed {
-				logger.Errorf("SSH server error: %s", err)
+				log.Errorf("SSH server error: %s", err)
 				// TODO: remove when declarative tunnels are implemented.
 				close(shutdownC)
 			}
@@ -502,14 +497,14 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 	hostname := c.String("hostname")
 	if url == hostname && url != "" && hostname != "" {
 		errText := "hostname and url shouldn't match. See --help for more information"
-		logger.Error(errText)
+		log.Error(errText)
 		return fmt.Errorf(errText)
 	}
 
 	if staticHost := hostnameFromURI(c.String("url")); isProxyDestinationConfigured(staticHost, c) {
 		listener, err := net.Listen("tcp", "127.0.0.1:")
 		if err != nil {
-			logger.Errorf("Cannot start Websocket Proxy Server: %s", err)
+			log.Errorf("Cannot start Websocket Proxy Server: %s", err)
 			return errors.Wrap(err, "Cannot start Websocket Proxy Server")
 		}
 		wg.Add(1)
@@ -517,7 +512,7 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 			defer wg.Done()
 			streamHandler := websocket.DefaultStreamHandler
 			if c.IsSet(socks5Flag) {
-				logger.Info("SOCKS5 server started")
+				log.Info("SOCKS5 server started")
 				streamHandler = func(wsConn *websocket.Conn, remoteConn net.Conn, _ http.Header) {
 					dialer := socks.NewConnDialer(remoteConn)
 					requestHandler := socks.NewRequestHandler(dialer)
@@ -530,32 +525,32 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 					if finalDestination := requestHeaders.Get(h2mux.CFJumpDestinationHeader); finalDestination != "" {
 						token := requestHeaders.Get(h2mux.CFAccessTokenHeader)
 						if err := websocket.SendSSHPreamble(remoteConn, finalDestination, token); err != nil {
-							logger.Errorf("Failed to send SSH preamble: %s", err)
+							log.Errorf("Failed to send SSH preamble: %s", err)
 							return
 						}
 					}
 					websocket.DefaultStreamHandler(wsConn, remoteConn, requestHeaders)
 				}
 			}
-			errC <- websocket.StartProxyServer(logger, listener, staticHost, shutdownC, streamHandler)
+			errC <- websocket.StartProxyServer(log, listener, staticHost, shutdownC, streamHandler)
 		}()
 		forceSetFlag(c, "url", "http://"+listener.Addr().String())
 	}
 
-	transportLogger, err := createLogger(c, true)
+	transportLogger, err := createLogger(c, true, false)
 	if err != nil {
 		return errors.Wrap(err, "error setting up transport logger")
 	}
 
-	tunnelConfig, err := prepareTunnelConfig(c, buildInfo, version, logger, transportLogger, namedTunnel)
+	tunnelConfig, err := prepareTunnelConfig(c, buildInfo, version, log, transportLogger, namedTunnel)
 	if err != nil {
 		return err
 	}
 
 	reconnectCh := make(chan origin.ReconnectSignal, 1)
 	if c.IsSet("stdin-control") {
-		logger.Info("Enabling control through stdin")
+		log.Info("Enabling control through stdin")
-		go stdinControl(reconnectCh, logger)
+		go stdinControl(reconnectCh, log)
 	}
 
 	wg.Add(1)
@@ -564,15 +559,26 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
 		errC <- origin.StartTunnelDaemon(ctx, tunnelConfig, connectedSignal, cloudflaredID, reconnectCh)
 	}()
 
-	if c.IsSet("launch-ui") {
+	if isUIEnabled {
-		tunnelEventChan := make(chan ui.TunnelEvent)
+		const tunnelEventChanBufferSize = 16
+		tunnelEventChan := make(chan ui.TunnelEvent, tunnelEventChanBufferSize)
 		tunnelConfig.TunnelEventChan = tunnelEventChan
 
-		tunnelInfo := ui.NewUIModel(version, hostname, metricsListener.Addr().String(), tunnelConfig.OriginUrl, tunnelConfig.HAConnections)
+		tunnelInfo := ui.NewUIModel(
-		tunnelInfo.LaunchUI(ctx, logger, tunnelEventChan, logTextView)
+			version,
+			hostname,
+			metricsListener.Addr().String(),
+			tunnelConfig.OriginUrl,
+			tunnelConfig.HAConnections,
+		)
+		logLevels, err := logger.ParseLevelString(c.String("loglevel"))
+		if err != nil {
+			return err
+		}
+		tunnelInfo.LaunchUI(ctx, log, logLevels, tunnelEventChan)
 	}
 
-	return waitToShutdown(&wg, errC, shutdownC, graceShutdownC, c.Duration("grace-period"), logger)
+	return waitToShutdown(&wg, errC, shutdownC, graceShutdownC, c.Duration("grace-period"), log)
 }
 
 // forceSetFlag attempts to set the given flag value in the closest context that has it defined
@@ -585,7 +591,7 @@ func forceSetFlag(c *cli.Context, name, value string) {
 }
 
 func Before(c *cli.Context) error {
-	logger, err := createLogger(c, false)
+	logger, err := createLogger(c, false, false)
 	if err != nil {
 		return cliutil.PrintLoggerSetupError("error setting up logger", err)
 	}
@@ -1169,7 +1175,7 @@ func tunnelFlags(shouldHide bool) []cli.Flag {
 			Hidden:  true,
 		}),
 		altsrc.NewBoolFlag(&cli.BoolFlag{
-			Name:   "launch-ui",
+			Name:   uiFlag,
 			Usage:  "Launch tunnel UI. Tunnel logs are scrollable via 'j', 'k', or arrow keys.",
 			Value:  false,
 			Hidden: shouldHide,

cmd/cloudflared/tunnel/subcommand_context.go

@@ -10,51 +10,41 @@ import (
 
 	"github.com/cloudflare/cloudflared/certutil"
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/config"
-	"github.com/cloudflare/cloudflared/cmd/cloudflared/ui"
 	"github.com/cloudflare/cloudflared/logger"
 	"github.com/cloudflare/cloudflared/origin"
 	"github.com/cloudflare/cloudflared/tunnelrpc/pogs"
 	"github.com/cloudflare/cloudflared/tunnelstore"
 	"github.com/google/uuid"
 	"github.com/pkg/errors"
-	"github.com/rivo/tview"
 	"github.com/urfave/cli/v2"
 )
 
-// subcommandContext carries structs shared between subcommands, to reduce number of arguments needed to pass between subcommands,
+// subcommandContext carries structs shared between subcommands, to reduce number of arguments needed to
-// and make sure they are only initialized once
+// pass between subcommands, and make sure they are only initialized once
 type subcommandContext struct {
-	c          *cli.Context
+	c      *cli.Context
-	logger     logger.Service
+	logger logger.Service
-	uiTextView *tview.TextView
 
 	// These fields should be accessed using their respective Getter
 	tunnelstoreClient tunnelstore.Client
 	userCredential    *userCredential
+
+	isUIEnabled bool
 }
 
 func newSubcommandContext(c *cli.Context) (*subcommandContext, error) {
-	if c.IsSet("launch-ui") {
+	isUIEnabled := c.IsSet(uiFlag) && c.String("name") != ""
-		// Create textView to stream logs to
-		logTextView := ui.NewDynamicColorTextView()
-		logger, err := createLoggerConfigured(c, false, logTextView)
-		if err != nil {
-			return nil, errors.Wrap(err, "error setting up logger")
-		}
-		return &subcommandContext{
-			c:          c,
-			logger:     logger,
-			uiTextView: logTextView,
-		}, nil
-	}
 
-	logger, err := createLogger(c, false)
+	// If UI is enabled, terminal log output should be disabled -- log should be written into a UI log window instead
+	logger, err := createLogger(c, false, isUIEnabled)
 	if err != nil {
 		return nil, errors.Wrap(err, "error setting up logger")
 	}
+
 	return &subcommandContext{
-		c:      c,
+		c:           c,
-		logger: logger,
+		logger:      logger,
+		isUIEnabled: isUIEnabled,
 	}, nil
 }
 
@@ -255,7 +245,15 @@ func (sc *subcommandContext) run(tunnelID uuid.UUID) error {
 		return err
 	}
 
-	return StartServer(sc.c, version, shutdownC, graceShutdownC, &origin.NamedTunnelConfig{Auth: *credentials, ID: tunnelID}, sc.logger, sc.uiTextView)
+	return StartServer(
+		sc.c,
+		version,
+		shutdownC,
+		graceShutdownC,
+		&origin.NamedTunnelConfig{Auth: *credentials, ID: tunnelID},
+		sc.logger,
+		sc.isUIEnabled,
+	)
 }
 
 func (sc *subcommandContext) cleanupConnections(tunnelIDs []uuid.UUID) error {

cmd/cloudflared/ui/launch_ui.go

@@ -3,7 +3,10 @@ package ui
 import (
 	"context"
 	"fmt"
+	"time"
+
 	"github.com/cloudflare/cloudflared/logger"
+
 	"github.com/gdamore/tcell"
 	"github.com/rivo/tview"
 )
@@ -56,8 +59,26 @@ func NewUIModel(version, hostname, metricsURL, proxyURL string, haConnections in
 	}
 }
 
-func (data *uiModel) LaunchUI(ctx context.Context, logger logger.Service, tunnelEventChan <-chan TunnelEvent, logTextView *tview.TextView) {
+func (data *uiModel) LaunchUI(
-	palette := palette{url: "#4682B4", connected: "#00FF00", defaultText: "white", disconnected: "red", reconnecting: "orange"}
+	ctx context.Context,
+	log logger.Service,
+	logLevels []logger.Level,
+	tunnelEventChan <-chan TunnelEvent,
+) {
+	// Configure the logger to stream logs into the textview
+
+	// Add TextView as a group to write output to
+	logTextView := NewDynamicColorTextView()
+	log.Add(logTextView, logger.NewUIFormatter(time.RFC3339), logLevels...)
+
+	// Construct the UI
+	palette := palette{
+		url:          "lightblue",
+		connected:    "lime",
+		defaultText:  "white",
+		disconnected: "red",
+		reconnecting: "orange",
+	}
 
 	app := tview.NewApplication()
 
@@ -90,7 +111,7 @@ func (data *uiModel) LaunchUI(ctx context.Context, logger logger.Service, tunnel
 
 	grid.AddItem(connTable, 2, 1, 1, 1, 0, 0, false)
 
-	grid.AddItem(NewDynamicColorTextView().SetText(fmt.Sprintf("Metrics at [%s::b]%s/metrics", palette.url, data.metricsURL)), 3, 1, 1, 1, 0, 0, false)
+	grid.AddItem(NewDynamicColorTextView().SetText(fmt.Sprintf("Metrics at [%s::b]http://%s/metrics", palette.url, data.metricsURL)), 3, 1, 1, 1, 0, 0, false)
 
 	// Add TextView to stream logs
 	// Logs are displayed in a new grid so a border can be set around them
@@ -112,7 +133,7 @@ func (data *uiModel) LaunchUI(ctx context.Context, logger logger.Service, tunnel
 				case Connected:
 					data.setConnTableCell(event, connTable, palette)
 				case Disconnected, Reconnecting:
-					data.changeConnStatus(event, connTable, logger, palette)
+					data.changeConnStatus(event, connTable, log, palette)
 				case SetUrl:
 					tunnelHostText.SetText(event.Url)
 					data.edgeURL = event.Url
@@ -128,7 +149,7 @@ func (data *uiModel) LaunchUI(ctx context.Context, logger logger.Service, tunnel
 
 	go func() {
 		if err := app.SetRoot(frame, true).Run(); err != nil {
-			logger.Errorf("Error launching UI: %s", err)
+			log.Errorf("Error launching UI: %s", err)
 		}
 	}()
 }
@@ -197,6 +218,8 @@ func (data *uiModel) setConnTableCell(event TunnelEvent, table *tview.Table, pal
 }
 
 func newCellText(palette palette, connectionNum int, location string, connectedStatus status) string {
+	// HA connection indicator formatted as: "• #<CONNECTION_INDEX>: <COLO>",
+	//  where the left middle dot's color depends on the status of the connection
 	const connFmtString = "[%s]\u2022[%s] #%d: %s"
 
 	var dotColor string

go.sum

@@ -59,8 +59,10 @@ github.com/Azure/go-autorest/autorest/validation v0.1.0/go.mod h1:Ha3z/SqBeaalWQ
 github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/tracing v0.1.0/go.mod h1:ROEEAFwXycQw7Sn3DXNtEedEvdeRAgDr0izn4z5Ij88=
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+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/DataDog/datadog-go v3.5.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/DataDog/zstd v1.3.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
@@ -73,6 +75,7 @@ github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWX
 github.com/Shopify/sarama v1.21.0/go.mod h1:yuqtN/pe8cXRWG5zPaO7hCfNJp5MwmkoJEoLjkm5tCQ=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
+github.com/acmacalister/skittles v0.0.0-20160609003031-7423546701e1 h1:RKnVV4C7qoN/sToLX2y1dqH7T6kKLMHcwRJlgwb9Ggk=
 github.com/acmacalister/skittles v0.0.0-20160609003031-7423546701e1/go.mod h1:gI5CyA/CEnS6eqNV22rqs4dG3aGfaSbXgPORIlwr2r0=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/akamai/AkamaiOPEN-edgegrid-golang v0.9.0/go.mod h1:zpDJeKyp9ScW4NNrbdr+Eyxvry3ilGPewKoXw3XGN1k=
@@ -81,9 +84,11 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2cI+DC1Mbh0TJxzA3RcLoMsFw+aXw7E=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190808125512-07798873deee/go.mod h1:myCDvQSzCW+wB1WAlocEru4wMGJxy+vlxHdhegi1CDQ=
 github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190307165228-86c17b95fcd5/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
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 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -95,14 +100,17 @@ github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQ
 github.com/aws/aws-sdk-go v1.23.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
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 github.com/aws/aws-sdk-go v1.32.1/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
+github.com/aws/aws-sdk-go v1.34.19 h1:x3MMvAJ1nfWviixEduchBSs65DgY5Y2pA2/NAcxVGOo=
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+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bkaradzic/go-lz4 v1.0.0/go.mod h1:0YdlkowM3VswSROI7qDxhRvJ3sLhlFrRRwjwegp5jy4=
+github.com/caddyserver/caddy v1.0.5 h1:5B1Hs0UF2x2tggr2X9jL2qOZtDXbIWQb9YLbmlxHSuM=
 github.com/caddyserver/caddy v1.0.5/go.mod h1:AnFHB+/MrgRC+mJAvuAgQ38ePzw+wKeW0wzENpdQQKY=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
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@@ -110,7 +118,9 @@ github.com/cenkalti/backoff/v3 v3.0.0/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4r
 github.com/cenkalti/backoff/v4 v4.0.2/go.mod h1:eEew/i+1Q6OrCDZh3WiXYv3+nJwBASZ8Bog/87DQnVg=
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+github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 h1:JLaf/iINcLyjwbtTsCJjc6rtlASgHeIJPrB6QmwURnA=
 github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
+github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
@@ -118,28 +128,37 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5P
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
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+github.com/cloudflare/brotli-go v0.0.0-20191101163834-d34379f7ff93 h1:QrGfkZDnMxcWHaYDdB7CmqS9i26OAnUj/xcus/abYkY=
 github.com/cloudflare/brotli-go v0.0.0-20191101163834-d34379f7ff93/go.mod h1:QiTe66jFdP7cUKMCCf/WrvDyYdtdmdZfVcdoLbzaKVY=
 github.com/cloudflare/cloudflare-go v0.10.2/go.mod h1:qhVI5MKwBGhdNU89ZRz2plgYutcJ5PCekLxXn56w6SY=
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@@ -160,28 +179,36 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
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@@ -203,6 +230,7 @@ github.com/go-openapi/jsonreference v0.0.0-20160704190145-13c6e3589ad9/go.mod h1
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@@ -213,7 +241,9 @@ github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
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@@ -241,6 +271,7 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
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@@ -268,6 +299,7 @@ github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hf
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@@ -279,15 +311,18 @@ github.com/gophercloud/gophercloud v0.9.0/go.mod h1:gmC5oQqMDOMO1t1gq5DquX/yAU80
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@@ -323,7 +358,9 @@ github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod
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@@ -352,12 +389,14 @@ github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
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@@ -365,6 +404,7 @@ github.com/linode/linodego v0.10.0/go.mod h1:cziNP7pbvE3mXIPneHj0oRY8L1WtGEIKlZ8
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@@ -376,18 +416,23 @@ github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNx
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@@ -434,6 +479,7 @@ github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492/go
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@@ -453,10 +499,13 @@ github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi
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@@ -485,22 +537,28 @@ github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDa
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@@ -525,6 +583,7 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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@@ -533,13 +592,16 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1
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@@ -584,6 +646,7 @@ golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPh
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@@ -657,12 +720,14 @@ golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/
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@@ -671,6 +736,7 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
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 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180622082034-63fc586f45fe/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -723,12 +789,14 @@ golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200909081042-eff7692f9009 h1:W0lCpv29Hv0UaM1LXb9QlBHLNP8UFfcKjblhVCWftOM=
 golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -813,6 +881,7 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.6 h1:lMO5rYAqUxkmaj76jAkRUvt5JZgFymx/+Q5Mzfivuhc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -845,6 +914,7 @@ google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7Fc
 google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d h1:92D1fum1bJLKSdr11OJ+54YeCMCGYIygTA7R/YZxH5M=
 google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -864,6 +934,7 @@ google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKa
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.32.0 h1:zWTV+LMdc3kaiJMSTOFz2UgSBgx8RNQoTGiZu3fR9S0=
 google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -874,6 +945,7 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 gopkg.in/DataDog/dd-trace-go.v1 v1.24.1/go.mod h1:DVp8HmDh8PuTu2Z0fVVlBsyWaC++fzwVCaGWylTe3tg=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
@@ -882,6 +954,7 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
+gopkg.in/coreos/go-oidc.v2 v2.1.0 h1:E8PjVFdj/SLDKB0hvb70KTbMbYVHjqztiQdSkIg8E+I=
 gopkg.in/coreos/go-oidc.v2 v2.1.0/go.mod h1:fYaTe2FS96wZZwR17YTDHwG+Mw6fmyqJNxN2eNCGPCI=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
@@ -896,6 +969,7 @@ gopkg.in/ns1/ns1-go.v2 v2.0.0-20190730140822-b51389932cbc/go.mod h1:VV+3haRsgDiV
 gopkg.in/resty.v1 v1.9.1/go.mod h1:vo52Hzryw9PnPHcJfPsBiFW62XhNx5OczbV9y+IMpgc=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
+gopkg.in/square/go-jose.v2 v2.4.0 h1:0kXPskUMGAXXWJlP05ktEMOV0vmzFQUWw6d+aZJQU8A=
 gopkg.in/square/go-jose.v2 v2.4.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
@@ -906,8 +980,10 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -934,4 +1010,5 @@ sigs.k8s.io/structured-merge-diff/v3 v3.0.0/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnM
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
+zombiezen.com/go/capnproto2 v2.18.0+incompatible h1:mwfXZniffG5mXokQGHUJWGnqIBggoPfT/CEwon9Yess=
 zombiezen.com/go/capnproto2 v2.18.0+incompatible/go.mod h1:XO5Pr2SbXgqZwn0m0Ru54QBqpOf4K5AYBO+8LAOBQEQ=

logger/create.go

@@ -85,14 +85,6 @@ func LogLevelString(level string) Option {
 	}
 }
 
-func GetSupportedLevels(level string) ([]Level, error) {
-	supported, err := ParseLevelString(level)
-	if err != nil {
-		return nil, err
-	}
-	return supported, nil
-}
-
 // Parse builds the Options struct so the caller knows what actions should be run
 func Parse(opts ...Option) (*Options, error) {
 	options := &Options{}
@@ -107,28 +99,28 @@ func Parse(opts ...Option) (*Options, error) {
 // New setups a new logger based on the options.
 // The default behavior is to write to standard out
 func New(opts ...Option) (*OutputWriter, error) {
-	config, err := Parse(opts...)
+	options, err := Parse(opts...)
 
 	if err != nil {
 		return nil, err
 	}
 
 	l := NewOutputWriter(SharedWriteManager)
-	if config.logFileDirectory != "" {
+	if options.logFileDirectory != "" {
-		l.Add(NewFileRollingWriter(SanitizeLogPath(config.logFileDirectory),
+		l.Add(NewFileRollingWriter(SanitizeLogPath(options.logFileDirectory),
 			"cloudflared",
-			int64(config.maxFileSize),
+			int64(options.maxFileSize),
-			config.maxFileCount),
+			options.maxFileCount),
-			NewDefaultFormatter(time.RFC3339Nano), config.supportedFileLevels...)
+			NewDefaultFormatter(time.RFC3339Nano), options.supportedFileLevels...)
 	}
 
-	if !config.terminalOutputDisabled {
+	if !options.terminalOutputDisabled {
 		terminalFormatter := NewTerminalFormatter(time.RFC3339)
 
-		if len(config.supportedTerminalLevels) == 0 {
+		if len(options.supportedTerminalLevels) == 0 {
 			l.Add(os.Stderr, terminalFormatter, InfoLevel, ErrorLevel, FatalLevel)
 		} else {
-			l.Add(os.Stderr, terminalFormatter, config.supportedTerminalLevels...)
+			l.Add(os.Stderr, terminalFormatter, options.supportedTerminalLevels...)
 		}
 	}
 

logger/output.go

@@ -31,6 +31,8 @@ type Service interface {
 	Infof(format string, args ...interface{})
 	Debugf(format string, args ...interface{})
 	Fatalf(format string, args ...interface{})
+
+	Add(writer io.Writer, formatter Formatter, levels ...Level)
 }
 
 type sourceGroup struct {
@@ -59,7 +61,7 @@ type OutputWriter struct {
 	minLevel   Level
 }
 
-// NewOutputWriter create a new logger
+// NewOutputWriter creates a new logger
 func NewOutputWriter(syncWriter OutputManager) *OutputWriter {
 	return &OutputWriter{
 		syncWriter: syncWriter,

origin/tunnel.go

@@ -186,6 +186,10 @@ func (c *TunnelConfig) SupportedFeatures() []string {
 	return features
 }
 
+func (c *TunnelConfig) IsTrialTunnel() bool {
+	return c.Hostname == ""
+}
+
 type NamedTunnelConfig struct {
 	Auth   pogs.TunnelAuth
 	ID     uuid.UUID
@@ -539,9 +543,9 @@ func processRegistrationSuccess(
 
 	// Print out the user's trial zone URL in a nice box (if they requested and got one and UI flag is not set)
 	if config.TunnelEventChan == nil {
-		if isTrialTunnel := config.Hostname == ""; isTrialTunnel {
+		if config.IsTrialTunnel() {
-			if url, err := url.Parse(registration.Url); err == nil {
+			if registrationURL, err := url.Parse(registration.Url); err == nil {
-				for _, line := range asciiBox(trialZoneMsg(url.String()), 2) {
+				for _, line := range asciiBox(trialZoneMsg(registrationURL.String()), 2) {
 					logger.Info(line)
 				}
 			} else {

vendor/modules.txt

@@ -150,6 +150,60 @@ github.com/flynn/go-shlex
 # github.com/fsnotify/fsnotify v1.4.9
 ## explicit
 github.com/fsnotify/fsnotify
+# github.com/gdamore/encoding v1.0.0
+github.com/gdamore/encoding
+# github.com/gdamore/tcell v1.3.0
+## explicit
+github.com/gdamore/tcell
+github.com/gdamore/tcell/terminfo
+github.com/gdamore/tcell/terminfo/a/adm3a
+github.com/gdamore/tcell/terminfo/a/aixterm
+github.com/gdamore/tcell/terminfo/a/alacritty
+github.com/gdamore/tcell/terminfo/a/ansi
+github.com/gdamore/tcell/terminfo/a/aterm
+github.com/gdamore/tcell/terminfo/b/beterm
+github.com/gdamore/tcell/terminfo/b/bsdos_pc
+github.com/gdamore/tcell/terminfo/base
+github.com/gdamore/tcell/terminfo/c/cygwin
+github.com/gdamore/tcell/terminfo/d/d200
+github.com/gdamore/tcell/terminfo/d/d210
+github.com/gdamore/tcell/terminfo/d/dtterm
+github.com/gdamore/tcell/terminfo/dynamic
+github.com/gdamore/tcell/terminfo/e/emacs
+github.com/gdamore/tcell/terminfo/e/eterm
+github.com/gdamore/tcell/terminfo/extended
+github.com/gdamore/tcell/terminfo/g/gnome
+github.com/gdamore/tcell/terminfo/h/hpterm
+github.com/gdamore/tcell/terminfo/h/hz1500
+github.com/gdamore/tcell/terminfo/k/konsole
+github.com/gdamore/tcell/terminfo/k/kterm
+github.com/gdamore/tcell/terminfo/l/linux
+github.com/gdamore/tcell/terminfo/p/pcansi
+github.com/gdamore/tcell/terminfo/r/rxvt
+github.com/gdamore/tcell/terminfo/s/screen
+github.com/gdamore/tcell/terminfo/s/simpleterm
+github.com/gdamore/tcell/terminfo/s/sun
+github.com/gdamore/tcell/terminfo/t/termite
+github.com/gdamore/tcell/terminfo/t/tvi910
+github.com/gdamore/tcell/terminfo/t/tvi912
+github.com/gdamore/tcell/terminfo/t/tvi921
+github.com/gdamore/tcell/terminfo/t/tvi925
+github.com/gdamore/tcell/terminfo/t/tvi950
+github.com/gdamore/tcell/terminfo/t/tvi970
+github.com/gdamore/tcell/terminfo/v/vt100
+github.com/gdamore/tcell/terminfo/v/vt102
+github.com/gdamore/tcell/terminfo/v/vt220
+github.com/gdamore/tcell/terminfo/v/vt320
+github.com/gdamore/tcell/terminfo/v/vt400
+github.com/gdamore/tcell/terminfo/v/vt420
+github.com/gdamore/tcell/terminfo/v/vt52
+github.com/gdamore/tcell/terminfo/w/wy50
+github.com/gdamore/tcell/terminfo/w/wy60
+github.com/gdamore/tcell/terminfo/w/wy99_ansi
+github.com/gdamore/tcell/terminfo/x/xfce
+github.com/gdamore/tcell/terminfo/x/xnuppc
+github.com/gdamore/tcell/terminfo/x/xterm
+github.com/gdamore/tcell/terminfo/x/xterm_kitty
 # github.com/getsentry/raven-go v0.0.0-20180517221441-ed7bcb39ff10
 ## explicit
 github.com/getsentry/raven-go
@@ -210,6 +264,10 @@ github.com/kshvakov/clickhouse/lib/writebuffer
 github.com/lib/pq
 github.com/lib/pq/oid
 github.com/lib/pq/scram
+# github.com/lucasb-eyer/go-colorful v1.0.3
+github.com/lucasb-eyer/go-colorful
+# github.com/mattn/go-runewidth v0.0.8
+github.com/mattn/go-runewidth
 # github.com/mattn/go-sqlite3 v1.11.0
 ## explicit
 github.com/mattn/go-sqlite3
@@ -255,6 +313,13 @@ github.com/prometheus/common/model
 github.com/prometheus/procfs
 github.com/prometheus/procfs/internal/fs
 github.com/prometheus/procfs/internal/util
+# github.com/rifflock/lfshook v0.0.0-20180920164130-b9218ef580f5
+## explicit
+# github.com/rivo/tview v0.0.0-20200712113419-c65badfc3d92
+## explicit
+github.com/rivo/tview
+# github.com/rivo/uniseg v0.1.0
+github.com/rivo/uniseg
 # github.com/russross/blackfriday/v2 v2.0.1
 github.com/russross/blackfriday/v2
 # github.com/shurcooL/sanitized_anchor_name v1.0.0
@@ -324,6 +389,8 @@ golang.org/x/sys/windows/svc
 golang.org/x/sys/windows/svc/eventlog
 golang.org/x/sys/windows/svc/mgr
 # golang.org/x/text v0.3.3
+golang.org/x/text/encoding
+golang.org/x/text/encoding/internal/identifier
 golang.org/x/text/secure/bidirule
 golang.org/x/text/transform
 golang.org/x/text/unicode/bidi