cli: 'kopia server' made --ui default (#452)

cli/command_server_start.go

@@ -29,7 +29,7 @@ import (
 var (
 	serverStartCommand         = serverCommands.Command("start", "Start Kopia server").Default()
 	serverStartHTMLPath        = serverStartCommand.Flag("html", "Server the provided HTML at the root URL").ExistingDir()
-	serverStartUI              = serverStartCommand.Flag("ui", "Start the server with HTML UI (EXPERIMENTAL)").Bool()
+	serverStartUI              = serverStartCommand.Flag("ui", "Start the server with HTML UI").Default("true").Bool()
 	serverStartRefreshInterval = serverStartCommand.Flag("refresh-interval", "Frequency for refreshing repository status").Default("10s").Duration()
 
 	serverStartRandomPassword = serverStartCommand.Flag("random-password", "Generate random password and print to stderr").Hidden().Bool()
@@ -138,7 +138,7 @@ func stripProtocol(addr string) string {
 }
 
 func isKnownUIRoute(path string) bool {
-	return strings.HasPrefix(path, "/snapshots/") ||
+	return strings.HasPrefix(path, "/snapshots") ||
 		strings.HasPrefix(path, "/policies") ||
 		strings.HasPrefix(path, "/repo")
 }

cli/command_server_tls.go

@@ -161,6 +161,8 @@ func startServerWithOptionalTLSAndListener(ctx context.Context, httpServer *http
 	case *serverStartTLSCertFile != "" && *serverStartTLSKeyFile != "":
 		// PEM files provided
 		fmt.Fprintf(os.Stderr, "SERVER ADDRESS: https://%v\n", httpServer.Addr)
+		showServerUIPrompt()
+
 		return httpServer.ServeTLS(listener, *serverStartTLSCertFile, *serverStartTLSKeyFile)
 
 	case *serverStartTLSGenerateCert:
@@ -182,11 +184,20 @@ func startServerWithOptionalTLSAndListener(ctx context.Context, httpServer *http
 		fingerprint := sha256.Sum256(cert.Raw)
 		fmt.Fprintf(os.Stderr, "SERVER CERT SHA256: %v\n", hex.EncodeToString(fingerprint[:]))
 		fmt.Fprintf(os.Stderr, "SERVER ADDRESS: https://%v\n", httpServer.Addr)
+		showServerUIPrompt()
 
 		return httpServer.ServeTLS(listener, "", "")
 
 	default:
 		fmt.Fprintf(os.Stderr, "SERVER ADDRESS: http://%v\n", httpServer.Addr)
+		showServerUIPrompt()
+
 		return httpServer.Serve(listener)
 	}
 }
+
+func showServerUIPrompt() {
+	if *serverStartUI {
+		printStderr("\nOpen the address above in a web browser to use the UI.\n")
+	}
+}