[pve-devel] [PATCH manager 11/11] ui: restore: add live-restore checkbox

[Stefan Reiter <s.reiter@proxmox.com>]

Add 'isPBS' parameter for Restore window so we can detect when to show
the 'live-restore' checkbox.

Includes a warning about this feature being experimental for now.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
---
 www/manager6/grid/BackupView.js    |  8 +++++--
 www/manager6/storage/BackupView.js |  7 ++++--
 www/manager6/window/Restore.js     | 38 +++++++++++++++++++++++++++++-
 3 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/www/manager6/grid/BackupView.js b/www/manager6/grid/BackupView.js
index 9312c59c..41708030 100644
--- a/www/manager6/grid/BackupView.js
+++ b/www/manager6/grid/BackupView.js
@@ -79,6 +79,7 @@ Ext.define('PVE.grid.BackupView', {
 	    }
 	}, 100);
 
+	let isPBS = false;
 	var setStorage = function(storage) {
 	    var url = '/api2/json/nodes/' + nodename + '/storage/' + storage + '/content';
 	    url += '?content=backup';
@@ -101,13 +102,15 @@ Ext.define('PVE.grid.BackupView', {
 		change: function(f, value) {
 		    let storage = f.getStore().findRecord('storage', value, 0, false, true, true);
 		    if (storage) {
-			let isPBS = storage.data.type === 'pbs';
+			isPBS = storage.data.type === 'pbs';
 			me.getColumns().forEach((column) => {
 			    let id = column.dataIndex;
 			    if (id === 'verification' || id === 'encrypted') {
 				column.setHidden(!isPBS);
 			    }
 			});
+		    } else {
+			isPBS = false;
 		    }
 		    setStorage(value);
 		}
@@ -175,7 +178,8 @@ Ext.define('PVE.grid.BackupView', {
 		    vmid: vmid,
 		    volid: rec.data.volid,
 		    volidText: PVE.Utils.render_storage_content(rec.data.volid, {}, rec),
-		    vmtype: vmtype
+		    vmtype: vmtype,
+		    isPBS: isPBS,
 		});
 		win.show();
 		win.on('destroy', reload);
diff --git a/www/manager6/storage/BackupView.js b/www/manager6/storage/BackupView.js
index 8c5a286d..63418ec9 100644
--- a/www/manager6/storage/BackupView.js
+++ b/www/manager6/storage/BackupView.js
@@ -74,6 +74,8 @@ Ext.define('PVE.storage.BackupView', {
 	    }
 	});
 
+	let isPBS = me.pluginType === 'pbs';
+
 	me.tbar = [
 	    {
 		xtype: 'proxmoxButton',
@@ -94,7 +96,8 @@ Ext.define('PVE.storage.BackupView', {
 			nodename: nodename,
 			volid: rec.data.volid,
 			volidText: PVE.Utils.render_storage_content(rec.data.volid, {}, rec),
-			vmtype: vmtype
+			vmtype: vmtype,
+			isPBS: isPBS,
 		    });
 		    win.show();
 		    win.on('destroy', reload);
@@ -117,7 +120,7 @@ Ext.define('PVE.storage.BackupView', {
 	    pruneButton,
 	];
 
-	if (me.pluginType === 'pbs') {
+	if (isPBS) {
 	    me.extraColumns = {
 		encrypted: {
 		    header: gettext('Encrypted'),
diff --git a/www/manager6/window/Restore.js b/www/manager6/window/Restore.js
index f720eb3b..9fe50ec2 100644
--- a/www/manager6/window/Restore.js
+++ b/www/manager6/window/Restore.js
@@ -3,6 +3,20 @@ Ext.define('PVE.window.Restore', {
 
     resizable: false,
 
+    controller: {
+	xclass: 'Ext.app.ViewController',
+	control: {
+	    '#liveRestore': {
+		change: function(el, newVal) {
+		    let liveWarning = this.lookupReference('liveWarning');
+		    liveWarning.setHidden(!newVal);
+		    let start = this.lookupReference('start');
+		    start.setDisabled(newVal);
+		}
+	    },
+	}
+    },
+
     initComponent : function() {
 	var me = this;
 
@@ -84,6 +98,7 @@ Ext.define('PVE.window.Restore', {
 		{
 		    xtype: 'proxmoxcheckbox',
 		    name: 'start',
+		    reference: 'start',
 		    flex: 1,
 		    fieldLabel: gettext('Start after restore'),
 		    labelWidth: 105,
@@ -99,6 +114,26 @@ Ext.define('PVE.window.Restore', {
 		value: true,
 		fieldLabel: gettext('Unprivileged container')
 	    });
+	} else if (me.vmtype === 'qemu') {
+	    items.push({
+		xtype: 'proxmoxcheckbox',
+		name: 'live-restore',
+		itemId: 'liveRestore',
+		flex: 1,
+		fieldLabel: gettext('Live restore'),
+		checked: false,
+		hidden: !me.isPBS,
+		// align checkbox with 'start' if 'unique' is hidden
+		labelWidth: !!me.vmid ? 105 : 100,
+	    });
+	    items.push({
+		xtype: 'displayfield',
+		reference: 'liveWarning',
+		// TODO: Remove once more tested/stable?
+		value: gettext('Warning: Live-restore is experimental! The VM will start immediately (with a disk performance penalty) and restore will happen in the background. If anything goes wrong, data written by the VM during the restore will be lost.'),
+		userCls: 'pmx-hint',
+		hidden: true,
+	    });
 	}
 
 	me.formPanel = Ext.create('Ext.form.Panel', {
@@ -144,7 +179,8 @@ Ext.define('PVE.window.Restore', {
 		    force: me.vmid ? 1 : 0
 		};
 		if (values.unique) { params.unique = 1; }
-		if (values.start) { params.start = 1; }
+		if (values.start && !values['live-restore']) { params.start = 1; }
+		if (values['live-restore']) { params['live-restore'] = 1; }
 		if (values.storage) { params.storage = values.storage; }
 
 		if (values.bwlimit !== undefined) {
-- 
2.20.1