some minor nits inline, aside from those

Reviewed-by: Dominik Csapak <d.csa...@proxmox.com>


On 4/12/24 16:15, Friedrich Weber wrote:
Implement a new "guest stop" confirmation message box which first
checks if there is an active shutdown task for the same guest that is
visible to the logged-in user. If there is at least one, the dialog
displays an additional default-on checkbox for overruling active
shutdown tasks. If the user confirms and the checkbox is checked, the
UI sends a guest stop API request with the `overrule-shutdown`
parameter set to 1. If there are no active shutdown tasks, or the
checkbox is unchecked, the UI sends a guest stop API request without
`overrule-shutdown`.

To avoid an additional API request for querying active shutdown tasks,
check the UI's current view of cluster tasks instead, which is fetched
from the `pve-cluster-tasks` store.

As the UI might hold an outdated task list, there are some
opportunities for races, e.g., the UI may miss a new shutdown task or
consider a shutdown task active even though it has already terminated.
These races either result in a surviving shutdown task that the user
still needs to abort manually, or a superfluous `override-shutdown=1`
parameter that does not actually abort any tasks. Since "stop
overrules shutdown" is merely a convenience feature, both outcomes
seem bearable.

The confirmation message box is now always marked as dangerous (with a
warning sign icon), whereas previously it was only marked dangerous if
the stop issued from the guest panel, but not when issued from the
resource tree command menu.

Signed-off-by: Friedrich Weber <f.we...@proxmox.com>
---

Notes:
     changes v2 -> v3:
     - aligned permission checks with changed backend logic
     - replace access of `this.vm` with `me.vm`
changes v1 -> v2:
     - instead of a second modal dialog that offers to overrule shutdown
       tasks, display an additional checkbox in the "guest stop"
       confirmation dialog if there is a running matching shutdown task
     - spin out pve-cluster-tasks store fix into its own patch

  www/manager6/Makefile            |  1 +
  www/manager6/lxc/CmdMenu.js      |  8 +++-
  www/manager6/lxc/Config.js       |  8 ++--
  www/manager6/qemu/CmdMenu.js     |  8 +++-
  www/manager6/qemu/Config.js      |  8 ++--
  www/manager6/window/GuestStop.js | 79 ++++++++++++++++++++++++++++++++
  6 files changed, 104 insertions(+), 8 deletions(-)
  create mode 100644 www/manager6/window/GuestStop.js

diff --git a/www/manager6/Makefile b/www/manager6/Makefile
index c756cae6..30c56bb9 100644
--- a/www/manager6/Makefile
+++ b/www/manager6/Makefile
@@ -131,6 +131,7 @@ JSSRC=                                                      
\
        window/ScheduleSimulator.js                     \
        window/Wizard.js                                \
        window/GuestDiskReassign.js                             \
+       window/GuestStop.js                             \
        window/TreeSettingsEdit.js                      \
        window/PCIMapEdit.js                            \
        window/USBMapEdit.js                            \
diff --git a/www/manager6/lxc/CmdMenu.js b/www/manager6/lxc/CmdMenu.js
index b1403fc6..76b39423 100644
--- a/www/manager6/lxc/CmdMenu.js
+++ b/www/manager6/lxc/CmdMenu.js
@@ -66,7 +66,13 @@ Ext.define('PVE.lxc.CmdMenu', {
                iconCls: 'fa fa-fw fa-stop',
                disabled: stopped,
                tooltip: Ext.String.format(gettext('Stop {0} immediately'), 
'CT'),
-               handler: () => confirmedVMCommand('stop'),
+               handler: () => {
+                   Ext.create('PVE.GuestStop', {
+                       nodename: info.node,
+                       vm: info,
+                       autoShow: true,
+                   });
+               },
            },
            {
                text: gettext('Reboot'),
diff --git a/www/manager6/lxc/Config.js b/www/manager6/lxc/Config.js
index 4516ee8f..082913e1 100644
--- a/www/manager6/lxc/Config.js
+++ b/www/manager6/lxc/Config.js
@@ -77,11 +77,13 @@ Ext.define('PVE.lxc.Config', {
                {
                    text: gettext('Stop'),
                    disabled: !caps.vms['VM.PowerMgmt'],
-                   confirmMsg: Proxmox.Utils.format_task_description('vzstop', 
vmid),
                    tooltip: Ext.String.format(gettext('Stop {0} immediately'), 
'CT'),
-                   dangerous: true,
                    handler: function() {
-                       vm_command("stop");
+                       Ext.create('PVE.GuestStop', {
+                           nodename: nodename,
+                           vm: vm,
+                           autoShow: true,
+                       });
                    },
                    iconCls: 'fa fa-stop',
                }],
diff --git a/www/manager6/qemu/CmdMenu.js b/www/manager6/qemu/CmdMenu.js
index 4f59d5f7..834577e7 100644
--- a/www/manager6/qemu/CmdMenu.js
+++ b/www/manager6/qemu/CmdMenu.js
@@ -93,7 +93,13 @@ Ext.define('PVE.qemu.CmdMenu', {
                iconCls: 'fa fa-fw fa-stop',
                disabled: stopped,
                tooltip: Ext.String.format(gettext('Stop {0} immediately'), 
'VM'),
-               handler: () => confirmedVMCommand('stop'),
+               handler: () => {
+                   Ext.create('PVE.GuestStop', {
+                       nodename: info.node,
+                       vm: info,
+                       autoShow: true,
+                   });
+               },
            },
            {
                text: gettext('Reboot'),
diff --git a/www/manager6/qemu/Config.js b/www/manager6/qemu/Config.js
index 2f9605a4..f28ee67b 100644
--- a/www/manager6/qemu/Config.js
+++ b/www/manager6/qemu/Config.js
@@ -176,11 +176,13 @@ Ext.define('PVE.qemu.Config', {
                }, {
                    text: gettext('Stop'),
                    disabled: !caps.vms['VM.PowerMgmt'],
-                   dangerous: true,
                    tooltip: Ext.String.format(gettext('Stop {0} immediately'), 
'VM'),
-                   confirmMsg: Proxmox.Utils.format_task_description('qmstop', 
vmid),
                    handler: function() {
-                       vm_command("stop", { timeout: 30 });
+                       Ext.create('PVE.GuestStop', {
+                           nodename: nodename,
+                           vm: vm,
+                           autoShow: true,
+                       });
                    },
                    iconCls: 'fa fa-stop',
                }, {
diff --git a/www/manager6/window/GuestStop.js b/www/manager6/window/GuestStop.js
new file mode 100644
index 00000000..16d05a70
--- /dev/null
+++ b/www/manager6/window/GuestStop.js
@@ -0,0 +1,79 @@
+Ext.define('PVE.GuestStop', {
+    extend: 'Ext.window.MessageBox',
+

nit: imho a short high level description why we extend the messagebox instead
of e.g. our edit/safedestroy window would be nice

also maybe we could rewrite this a bit more generic so that the safedestroy
window users could this instead? (not necessary for now though)

+    closeAction: 'destroy',
+
+    initComponent: function() {
+       let me = this;
+
+       if (!me.nodename) {
+           throw "no node name specified";
+       }
+       if (!me.vm) {
+           throw "no vm specified";
+       }
+
+       let vmid = me.vm.vmid;
+       let vmidString = vmid.toString();
+       let guestType = me.vm.type;
+       let overruleTaskType = guestType === 'qemu' ? 'qmshutdown' : 
'vzshutdown';
+
+       me.taskType = guestType === 'qemu' ? 'qmstop' : 'vzstop';
+       me.url = `/nodes/${me.nodename}/${guestType}/${vmid}/status/stop`;
+
+       let caps = Ext.state.Manager.get('GuiCap');
+       let hasSysModify = caps.nodes['Sys.Modify'];
+
+       // offer to overrule if there is at least one matching shutdown task
+       // and the guest is not HA-enabled.
+       // allow users to abort tasks started by one of their API tokens
+       let shutdownTaskIdx = Ext.getStore('pve-cluster-tasks')?.findBy(task =>
+           (hasSysModify || task.data.user === Proxmox.UserName) &&
+           task.data.id === vmidString &&
+           task.data.status === undefined &&
+           task.data.type === overruleTaskType,
+       );
+       let haEnabled = me.vm.hastate && me.vm.hastate !== 'unmanaged';
+       me.askOverrule = !haEnabled && shutdownTaskIdx >= 0;
+
+       me.callParent();
+
+       me.promptContainer.add({

nit: i guess this comes from the messagebox class?
a short comment what it is would be nice

+           xtype: 'proxmoxcheckbox',
+           name: 'overrule-shutdown',
+           checked: true,
+           boxLabel: gettext('Overrule active shutdown tasks'),
+           hidden: !me.askOverrule,
+       });
+    },
+
+    handler: function(btn) {
+       let me = this;
+       if (btn === 'yes') {
+           let checkbox = 
me.promptContainer.down('proxmoxcheckbox[name=overrule-shutdown]');
+           let overruleShutdown = me.askOverrule && checkbox.getSubmitValue();
+           let params = overruleShutdown ? { 'overrule-shutdown': 1 } : 
undefined;
+           Proxmox.Utils.API2Request({
+               url: me.url,
+               waitMsgTarget: me,
+               method: 'POST',
+               params: params,

nit: if the property and the variable have the same name you can simply write

params,

in the list.

+               failure: function(response, opts) {
+                   Ext.Msg.alert('Error', response.htmlStatus);
+               },
+           });
+       }
+    },
+
+    show: function() {
+       let me = this;
+       let cfg = {
+           title: gettext('Confirm'),
+           icon: Ext.Msg.WARNING,
+           msg: Proxmox.Utils.format_task_description(me.taskType, me.vm.vmid),
+           buttons: Ext.Msg.YESNO,
+           callback: btn => me.handler(btn),

if we'd want to make this generic, we'd want to wrap any given callback
and call it instead of overwriting it with our own handler

+       };
+       me.callParent([cfg]);
+    },
+});



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