Remove hint from tsh aws (#45168)

tool/tsh/common/app_local_proxy.go

@@ -60,10 +60,6 @@ func (a *localProxyApp) StartLocalProxy(ctx context.Context, opts ...alpnproxy.L
 	if err := a.startLocalALPNProxy(ctx, a.port, false /*withTLS*/, opts...); err != nil {
 		return trace.Wrap(err)
 	}
-
-	if a.port == "" {
-		fmt.Println("To avoid port randomization, you can choose the listening port using the --port flag.")
-	}
 	return nil
 }
 
@@ -72,10 +68,6 @@ func (a *localProxyApp) StartLocalProxyWithTLS(ctx context.Context, opts ...alpn
 	if err := a.startLocalALPNProxy(ctx, a.port, true /*withTLS*/, opts...); err != nil {
 		return trace.Wrap(err)
 	}
-
-	if a.port == "" {
-		fmt.Println("To avoid port randomization, you can choose the listening port using the --port flag.")
-	}
 	return nil
 }
 
@@ -88,10 +80,6 @@ func (a *localProxyApp) StartLocalProxyWithForwarder(ctx context.Context, forwar
 	if err := a.startLocalForwardProxy(ctx, a.port, forwardMatcher); err != nil {
 		return trace.Wrap(err)
 	}
-
-	if a.port == "" {
-		fmt.Println("To avoid port randomization, you can choose the listening port using the --port flag.")
-	}
 	return nil
 }
 
@@ -154,8 +142,6 @@ func (a *localProxyApp) startLocalALPNProxy(ctx context.Context, port string, wi
 		return trace.Wrap(err)
 	}
 
-	fmt.Printf("Proxying connections to %s on %v\n", a.appInfo.RouteToApp.Name, a.localALPNProxy.GetAddr())
-
 	go func() {
 		if err = a.localALPNProxy.Start(ctx); err != nil {
 			log.WithError(err).Errorf("Failed to start local ALPN proxy.")
@@ -206,3 +192,7 @@ func (a *localProxyApp) startLocalForwardProxy(ctx context.Context, port string,
 	}()
 	return nil
 }
+
+func (a *localProxyApp) GetAddr() string {
+	return a.localALPNProxy.GetAddr()
+}

tool/tsh/common/proxy.go

@@ -396,6 +396,11 @@ func onProxyCommandApp(cf *CLIConf) error {
 		return trace.Wrap(err)
 	}
 
+	fmt.Printf("Proxying connections to %s on %v\n", cf.AppName, proxyApp.GetAddr())
+	if cf.LocalProxyPort == "" {
+		fmt.Println("To avoid port randomization, you can choose the listening port using the --port flag.")
+	}
+
 	defer func() {
 		if err := proxyApp.Close(); err != nil {
 			log.WithError(err).Error("Failed to close app proxy.")