From f2ea424cc1d322321eaf2f429b4aea57841e889a Mon Sep 17 00:00:00 2001
From: Gabriel Goller <g.goller@proxmox.com>
Date: Thu, 29 Aug 2024 14:58:44 +0200
Subject: [PATCH] web: disallow datastore in root, add reuse-datastore flag

Disallows creating a datastore in root on the frontend side, by
filtering the '/' path. Add reuse-flag to permit us to open existing
datastores.

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
---
 www/window/DataStoreEdit.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/www/window/DataStoreEdit.js b/www/window/DataStoreEdit.js
index b6115460..b8e866df 100644
--- a/www/window/DataStoreEdit.js
+++ b/www/window/DataStoreEdit.js
@@ -61,6 +61,7 @@ Ext.define('PBS.DataStoreEdit', {
 			allowBlank: false,
 			fieldLabel: gettext('Backing Path'),
 			emptyText: gettext('An absolute path'),
+			validator: val => val?.trim() !== '/',
 		    },
 		],
 		column2: [
@@ -93,6 +94,13 @@ Ext.define('PBS.DataStoreEdit', {
 			fieldLabel: gettext('Comment'),
 		    },
 		],
+		advancedColumn1: [
+		    {
+			xtype: 'checkbox',
+			name: 'reuse-datastore',
+			fieldLabel: gettext('Reuse existing datastore'),
+		    },
+		],
 
 		onGetValues: function(values) {
 		    let me = this;