www/manager6/qemu/RNGEdit.js

   1 Ext.define('PVE.qemu.RNGInputPanel', {
   2     extend: 'Proxmox.panel.InputPanel',
   3     xtype: 'pveRNGInputPanel',
   4
   5     onlineHelp: 'qm_virtio_rng',
   6
   7     onGetValues: function(values) {
   8         if (values.max_bytes === "") {
   9             values.max_bytes = "0";
  10         } else if (values.max_bytes === "1024" && values.period === "") {
  11             delete values.max_bytes;
  12         }
  13
  14         var ret = PVE.Parser.printPropertyString(values);
  15
  16         return {
  17             rng0: ret,
  18         };
  19     },
  20
  21     setValues: function(values) {
  22         if (values.max_bytes === 0) {
  23             values.max_bytes = null;
  24         }
  25
  26         this.callParent(arguments);
  27     },
  28
  29     controller: {
  30         xclass: 'Ext.app.ViewController',
  31         control: {
  32             '#max_bytes': {
  33                 change: function(el, newVal) {
  34                     let limitWarning = this.lookupReference('limitWarning');
  35                     limitWarning.setHidden(!!newVal);
  36                 },
  37             },
  38             '#source': {
  39                 change: function(el, newVal) {
  40                     let limitWarning = this.lookupReference('sourceWarning');
  41                     limitWarning.setHidden(newVal !== '/dev/random');
  42                 },
  43             },
  44         },
  45     },
  46
  47     items: [{
  48         itemId: 'source',
  49         name: 'source',
  50         xtype: 'proxmoxKVComboBox',
  51         value: '/dev/urandom',
  52         fieldLabel: gettext('Entropy source'),
  53         labelWidth: 130,
  54         comboItems: [
  55             ['/dev/urandom', '/dev/urandom'],
  56             ['/dev/random', '/dev/random'],
  57             ['/dev/hwrng', '/dev/hwrng'],
  58         ],
  59     },
  60     {
  61         xtype: 'numberfield',
  62         itemId: 'max_bytes',
  63         name: 'max_bytes',
  64         minValue: 0,
  65         step: 1,
  66         value: 1024,
  67         fieldLabel: gettext('Limit (Bytes/Period)'),
  68         labelWidth: 130,
  69         emptyText: gettext('unlimited'),
  70     },
  71     {
  72         xtype: 'numberfield',
  73         name: 'period',
  74         minValue: 1,
  75         step: 1,
  76         fieldLabel: gettext('Period') + ' (ms)',
  77         labelWidth: 130,
  78         emptyText: '1000',
  79     },
  80     {
  81         xtype: 'displayfield',
  82         reference: 'sourceWarning',
  83         value: gettext('Using /dev/random as entropy source is discouraged, as it can lead to host entropy starvation. /dev/urandom is preferred, and does not lead to a decrease in security in practice.'),
  84         userCls: 'pmx-hint',
  85         hidden: true,
  86     },
  87     {
  88         xtype: 'displayfield',
  89         reference: 'limitWarning',
  90         value: gettext('Disabling the limiter can potentially allow a guest to overload the host. Proceed with caution.'),
  91         userCls: 'pmx-hint',
  92         hidden: true,
  93     }],
  94 });
  95
  96 Ext.define('PVE.qemu.RNGEdit', {
  97     extend: 'Proxmox.window.Edit',
  98
  99     subject: gettext('VirtIO RNG'),
 100
 101     items: [{
 102         xtype: 'pveRNGInputPanel',
 103     }],
 104
 105     initComponent: function() {
 106         var me = this;
 107
 108         me.callParent();
 109
 110         if (!me.isCreate) {
 111             me.load({
 112                 success: function(response) {
 113                     me.vmconfig = response.result.data;
 114
 115                     var rng0 = me.vmconfig.rng0;
 116                     if (rng0) {
 117                         me.setValues(PVE.Parser.parsePropertyString(rng0));
 118                     }
 119                 },
 120             });
 121         }
 122     },
 123 });