NOT WORKING: WIP on adding server-wide logs functionality

cli/internal/validate.go

@@ -112,6 +112,35 @@ func ValidateApp(c *cli.Context) config.App {
 	return app
 }
 
+// ValidateAppByName ensures the app is valid and takes an app name as an argument, not context.
+func ValidateAppByName(c *cli.Context, appName string) config.App {
+	if AppName != "" {
+		appName = AppName
+		logrus.Debugf("programmatically setting app name to %s", appName)
+	}
+
+	if appName == "" {
+		ShowSubcommandHelpAndError(c, errors.New("no app provided"))
+	}
+
+	app, err := app.Get(appName)
+	if err != nil {
+		logrus.Fatal(err)
+	}
+
+	if err := recipe.EnsureExists(app.Type); err != nil {
+		logrus.Fatal(err)
+	}
+
+	if err := ssh.EnsureHostKey(app.Server); err != nil {
+		logrus.Fatal(err)
+	}
+
+	logrus.Debugf("validated '%s' as app argument", appName)
+
+	return app
+}
+
 // ValidateDomain ensures the domain name arg is valid.
 func ValidateDomain(c *cli.Context) (string, error) {
 	domainName := c.Args().First()