proxmox node reboot/shutdown molly-guard

diff -u /usr/share/pve-manager/js/pvemanagerlib.js.orig /usr/share/pve-manager/js/pvemanagerlib.js
--- /usr/share/pve-manager/js/pvemanagerlib.js.orig     2019-12-04 13:57:35.147696162 +0100
+++ /usr/share/pve-manager/js/pvemanagerlib.js  2019-12-13 18:04:18.429662045 +0100
@@ -9669,6 +9669,173 @@
        me.callParent();
     }
 });
+
+/* Popup a message window
+ * where the user has to manually enter the nodename
+ * to enable the reboot/shutdown button
+ */
+Ext.define('PVE.window.SafeNodeCommand', {
+    extend: 'Ext.window.Window',
+    alias: 'widget.pveSafeNodeCommand',
+
+    title: gettext('Confirm'),
+    modal: true,
+    buttonAlign: 'center',
+    bodyPadding: 10,
+    width: 450,
+    layout: { type:'hbox' },
+    defaultFocus: 'confirmField',
+    showProgress: false,
+
+    config: {
+        item: {
+            nodename: undefined,
+            command: undefined
+        },
+        url: undefined,
+        params: {}
+    },
+
+       /*
+    getParams: function() {
+        var me = this;
+        if (Ext.Object.isEmpty(me.params)) {
+            return '';
+        }
+        return '?' + Ext.Object.toQueryString(me.params);
+    },
+    */
+
+    controller: {
+
+        xclass: 'Ext.app.ViewController',
+
+        control: {
+            'field[name=confirm]': {
+                change: function(f, value) {
+                    var view = this.getView();
+                    var commandButton = this.lookupReference('commandButton');
+                    if (value === view.getItem().nodename.toString()) {
+                        commandButton.enable();
+                    } else {
+                        commandButton.disable();
+                    }
+                },
+                specialkey: function (field, event) {
+                    var commandButton = this.lookupReference('commandButton');
+                    if (!commandButton.isDisabled() && event.getKey() == event.ENTER) {
+                        commandButton.fireEvent('click', commandButton, event);
+                    }
+                }
+            },
+           'button[reference=abortButton]': {
+               click: function() {
+                    var view = this.getView();
+                   view.close();
+               }
+            },
+            'button[reference=commandButton]': {
+                click: function() {
+                    var view = this.getView();
+
+                    Proxmox.Utils.API2Request({
+                        params: { command: view.getItem().command },
+                        url: '/nodes/' + view.getItem().nodename + '/status',
+                        method: 'POST',
+                        waitMsgTarget: view,
+                        failure: function(response, opts) {
+                            view.close();
+                            Ext.Msg.alert('Error', response.htmlStatus);
+                        },
+                        success: function(response, options) {
+                            view.close();
+                        }
+                    });
+                }
+            }
+        }
+    },
+
+    items: [
+        {
+            xtype: 'component',
+            cls: [ Ext.baseCSSPrefix + 'message-box-icon',
+                   Ext.baseCSSPrefix + 'message-box-warning',
+                   Ext.baseCSSPrefix + 'dlg-icon']
+        },
+        {
+            xtype: 'container',
+            flex: 1,
+            layout: {
+                type: 'vbox',
+                align: 'stretch'
+            },
+            items: [
+                {
+                    xtype: 'component',
+                    reference: 'messageCmp'
+                },
+                {
+                    itemId: 'confirmField',
+                    reference: 'confirmField',
+                    xtype: 'textfield',
+                    name: 'confirm',
+                    labelWidth: 300,
+                    hideTrigger: true,
+                    allowBlank: false
+                }
+            ]
+        }
+    ],
+    buttons: [
+        {
+            reference: 'commandButton',
+            text: gettext('Shutdown'),
+            disabled: true
+        },
+        {
+            reference: 'abortButton',
+            text: gettext('Abort'),
+            disabled: false
+        }
+    ],
+
+    initComponent : function() {
+        var me = this;
+
+        me.callParent();
+
+        var item = me.getItem();
+
+        if (!Ext.isDefined(item.nodename)) {
+            throw "no nodename specified";
+        }
+
+        var messageCmp = me.lookupReference('messageCmp');
+        var button_text, msg;
+        if (item.command === 'reboot') {
+            msg = Ext.String.format(gettext("Reboot node '{0}'?"), item.nodename);
+            button_text = gettext('Reboot');
+        }
+        else if (item.command === 'shutdown') {
+            msg = Ext.String.format(gettext("Shutdown node '{0}'?"), item.nodename);
+            button_text = gettext('Shutdown');
+        }
+       else {
+           throw "unknown item command specified";
+       }
+        messageCmp.setHtml(msg);
+
+        var confirmField = me.lookupReference('confirmField');
+        msg = gettext('Please enter the node name to confirm') +
+            ' (' + item.nodename + ')';
+        confirmField.setFieldLabel(msg);
+
+        var commandButton = me.lookupReference('commandButton');
+        commandButton.setText(button_text);
+    }
+});
+
 /* Popup a message window
  * where the user has to manually enter the resource ID
  * to enable the destroy button
@@ -19913,6 +20080,7 @@
            interval: 1000
        });

+/* dead code */
        var node_command = function(cmd) {
            Proxmox.Utils.API2Request({
                params: { command: cmd },
@@ -19979,9 +20147,11 @@
            disabled: !caps.nodes['Sys.PowerMgmt'],
            dangerous: true,
            confirmMsg: Ext.String.format(gettext("Reboot node '{0}'?"), nodename),
-           handler: function() {
-               node_command('reboot');
-           },
+            handler: function() {
+                Ext.create('PVE.window.SafeNodeCommand', {
+                       item: { nodename: nodename, command: 'reboot' }
+                }).show();
+            },
            iconCls: 'fa fa-undo'
        });

@@ -19991,7 +20161,9 @@
            dangerous: true,
            confirmMsg: Ext.String.format(gettext("Shutdown node '{0}'?"), nodename),
            handler: function() {
-               node_command('shutdown');
+                Ext.create('PVE.window.SafeNodeCommand', {
+                        item: { nodename: nodename, command: 'shutdown' }
+                }).show();
            },
            iconCls: 'fa fa-power-off'
        });