www/manager6/qemu/RNGEdit.js

   1 Ext.define('PVE.qemu.RNGInputPanel', {
   2     extend: 'Proxmox.panel.InputPanel',
   3     xtype: 'pveRNGInputPanel',
   4
   5     // FIXME: enable once we bumped doc-gen so this ref is included
   6     //onlineHelp: 'qm_virtio_rng',
   7
   8     onGetValues: function(values) {
   9         if (values.max_bytes === "") {
  10             values.max_bytes = "0";
  11         } else if (values.max_bytes === "1024" && values.period === "") {
  12             delete values.max_bytes;
  13         }
  14
  15         var ret = PVE.Parser.printPropertyString(values);
  16
  17         return {
  18             rng0: ret,
  19         };
  20     },
  21
  22     setValues: function(values) {
  23         if (values.max_bytes == 0) {
  24             values.max_bytes = null;
  25         }
  26
  27         this.callParent(arguments);
  28     },
  29
  30     controller: {
  31         xclass: 'Ext.app.ViewController',
  32         control: {
  33             '#max_bytes': {
  34                 change: function(el, newVal) {
  35                     let limitWarning = this.lookupReference('limitWarning');
  36                     limitWarning.setHidden(!!newVal);
  37                 },
  38             },
  39             '#source': {
  40                 change: function(el, newVal) {
  41                     let limitWarning = this.lookupReference('sourceWarning');
  42                     limitWarning.setHidden(newVal !== '/dev/random');
  43                 },
  44             },
  45         },
  46     },
  47
  48     items: [{
  49         itemId: 'source',
  50         name: 'source',
  51         xtype: 'proxmoxKVComboBox',
  52         value: '/dev/urandom',
  53         fieldLabel: gettext('Entropy source'),
  54         labelWidth: 130,
  55         comboItems: [
  56             ['/dev/urandom', '/dev/urandom'],
  57             ['/dev/random', '/dev/random'],
  58             ['/dev/hwrng', '/dev/hwrng'],
  59         ],
  60     },
  61     {
  62         xtype: 'numberfield',
  63         itemId: 'max_bytes',
  64         name: 'max_bytes',
  65         minValue: 0,
  66         step: 1,
  67         value: 1024,
  68         fieldLabel: gettext('Limit (Bytes/Period)'),
  69         labelWidth: 130,
  70         emptyText: gettext('unlimited'),
  71     },
  72     {
  73         xtype: 'numberfield',
  74         name: 'period',
  75         minValue: 1,
  76         step: 1,
  77         fieldLabel: gettext('Period') + ' (ms)',
  78         labelWidth: 130,
  79         emptyText: '1000',
  80     },
  81     {
  82         xtype: 'displayfield',
  83         reference: 'sourceWarning',
  84         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.'),
  85         userCls: 'pmx-hint',
  86         hidden: true,
  87     },
  88     {
  89         xtype: 'displayfield',
  90         reference: 'limitWarning',
  91         value: gettext('Disabling the limiter can potentially allow a guest to overload the host. Proceed with caution.'),
  92         userCls: 'pmx-hint',
  93         hidden: true,
  94     }],
  95 });
  96
  97 Ext.define('PVE.qemu.RNGEdit', {
  98     extend: 'Proxmox.window.Edit',
  99
 100     subject: gettext('VirtIO RNG'),
 101
 102     items: [{
 103         xtype: 'pveRNGInputPanel',
 104     }],
 105
 106     initComponent: function() {
 107         var me = this;
 108
 109         me.callParent();
 110
 111         if (!me.isCreate) {
 112             me.load({
 113                 success: function(response) {
 114                     me.vmconfig = response.result.data;
 115
 116                     var rng0 = me.vmconfig.rng0;
 117                     if (rng0) {
 118                         me.setValues(PVE.Parser.parsePropertyString(rng0));
 119                     }
 120                 },
 121             });
 122         }
 123     },
 124 });