Looks mosty ok, but i noticed two things:

1. We use this grid also on datacenter and node level, so we should adapt the message for those somehow

2. is inline

On 6/23/20 11:31 AM, Dominic Jäger wrote:
Currently people add firewall rules but forget to activate the firewall on
guest level. This commit adds a warning to the top bar of the firewall panel to
make them aware of this if necessary.

It seems a little cheaper but still sufficient to check only if some rule
exists and not for every rule if it is really enabled.

Signed-off-by: Dominic Jäger <d.jae...@proxmox.com>
---
  www/manager6/grid/FirewallRules.js | 32 ++++++++++++++++++++++++++++--
  1 file changed, 30 insertions(+), 2 deletions(-)

diff --git a/www/manager6/grid/FirewallRules.js 
b/www/manager6/grid/FirewallRules.js
index ec2d1c84..7cb2baf0 100644
--- a/www/manager6/grid/FirewallRules.js
+++ b/www/manager6/grid/FirewallRules.js
@@ -483,8 +483,26 @@ Ext.define('PVE.FirewallRules', {
            throw "no list_refs_url specified";
        }
+ let checkWarning = function () {
+           Proxmox.Utils.API2Request({
+               url: me.base_url.replace('rules', 'options'),
+               method: 'GET',
+               failure: function (response) {
+                   Ext.Msg.alert(gettext('Error'), response.htmlStatus);
+               },
+               success: function (response) {
+                   let warningRequired = me.store.getCount() != 0 && 
!response.result.data.enable;
+                   
me.down('displayfield[name=fw-warning]').setVisible(warningRequired)
+               },
+           });
+
+       };
+
        var store = Ext.create('Ext.data.Store',{
-           model: 'pve-fw-rule'
+           model: 'pve-fw-rule',
+           listeners: {
+                   'load': checkWarning,
+           },
        });
var reload = function() {
@@ -606,12 +624,22 @@ Ext.define('PVE.FirewallRules', {
            }
        });
+ me.warningField = Ext.create('Ext.form.field.Display',{
+               xtype: 'displayfield',
+               dock: 'top',
+               userCls: 'pmx-hint',
+               name: 'fw-warning',
+               margin: '10 0 0 0',

i guess you wanted the margin on the left side not top?
the order is: top right bottom left, so you'd have to do
margin: '0 0 0 10'

with this currently the tbar changes height when the warning is displayed, which looks odd...

(i don't think we need any margin/padding in tbar)

also the 'dock' property is not necessary (the tbar is already docked)

+               value: gettext('Warning: Firewall still disabled at guest level! 
This can be changed in Firewall->Options.'),
+               hidden: true,
+       });
+
        var tbar = me.tbar_prefix ? [ me.tbar_prefix ] : [];
        tbar.push(me.addBtn, me.copyBtn);
        if (me.groupBtn) {
            tbar.push(me.groupBtn);
        }
-       tbar.push(me.removeBtn, me.editBtn);
+       tbar.push(me.removeBtn, me.editBtn, me.warningField);
var render_errors = function(name, value, metaData, record) {
            var errors = record.data.errors;



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