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524 lines
19 KiB
C#
524 lines
19 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Windows.Forms;
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using System.Linq;
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using XenAdmin.Controls;
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using XenAdmin.Core;
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using XenAdmin.Network;
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using XenAPI;
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using XenAdmin.Actions;
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using System.Drawing;
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namespace XenAdmin.Dialogs
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{
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public partial class NewDiskDialog : XenDialogBase
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{
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private enum DiskSizeUnits { MB, GB }
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#region Private fields
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private readonly VM TheVM;
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private readonly SR TheSR;
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private VDI DiskTemplate;
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private bool CanResize;
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private long MinSize;
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private decimal min;
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private decimal max;
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private bool SelectionNull = true;
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private readonly IEnumerable<VDI> _VDINamesInUse = new List<VDI>();
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private const int DecimalPlacesGB = 3; // show 3 decimal places for GB (CA-91322)
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private const int DecimalPlacesMB = 0;
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private const int IncrementGB = 1;
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private const int IncrementMB = 256;
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private const decimal MinimumDiskSizeGB = 0.001m;
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private const int MinimumDiskSizeMB = 1;
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private DiskSizeUnits currentSelectedUnits = DiskSizeUnits.GB;
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#endregion
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#region Constructors
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private NewDiskDialog(IXenConnection connection, IEnumerable<VDI> vdiNamesInUse)
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: base(connection)
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{
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if (connection == null)
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throw new ArgumentNullException("connection");
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InitializeComponent();
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_VDINamesInUse = vdiNamesInUse;
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SrListBox.Connection = connection;
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NameTextBox.Text = GetDefaultVDIName();
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max = (decimal)Math.Pow(1024, 4);//1 Petabit
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min = 0;
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comboBoxUnits.SelectedItem = comboBoxUnits.Items[0];
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SetNumUpDownIncrementAndDecimals(DiskSizeNumericUpDown, comboBoxUnits.SelectedItem.ToString());
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updateErrorsAndButtons();
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}
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public NewDiskDialog(IXenConnection connection, SR sr)
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: this(connection, new List<VDI>())
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{
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TheSR = sr;
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SrListBox.Usage = SrPicker.SRPickerType.InstallFromTemplate;
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SrListBox.SetAffinity(null);
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SrListBox.selectSRorNone(TheSR);
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}
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public NewDiskDialog(IXenConnection connection, VM vm)
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: this(connection, vm, SrPicker.SRPickerType.VM, null, vm.Home(), true, 0, new List<VDI>())
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{ }
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public NewDiskDialog(IXenConnection connection, VM vm, SrPicker.SRPickerType pickerUsage, VDI diskTemplate,
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Host affinity, bool canResize, long minSize, IEnumerable<VDI> vdiNamesInUse)
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: this(connection, vdiNamesInUse)
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{
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TheVM = vm;
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DiskTemplate = diskTemplate;
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CanResize = canResize;
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MinSize = minSize;
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SrListBox.Usage = pickerUsage;
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SrListBox.SetAffinity(affinity);
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Pool pool_sr = Helpers.GetPoolOfOne(connection);
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if (pool_sr != null)
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{
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SrListBox.DefaultSR = connection.Resolve(pool_sr.default_SR); //if default sr resolves to null the first sr in the list will be selected
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}
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SrListBox.selectDefaultSROrAny();
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LoadValues();
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}
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#endregion
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private void LoadValues()
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{
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if (DiskTemplate == null)
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return;
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NameTextBox.Text = DiskTemplate.Name();
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DescriptionTextBox.Text = DiskTemplate.Description();
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SrListBox.selectSRorDefaultorAny(connection.Resolve(DiskTemplate.SR));
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// select the appropriate unit, based on size (CA-45905)
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currentSelectedUnits = DiskTemplate.virtual_size >= Util.BINARY_GIGA ? DiskSizeUnits.GB : DiskSizeUnits.MB;
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SelectedUnits = currentSelectedUnits;
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SetNumUpDownIncrementAndDecimals(DiskSizeNumericUpDown, SelectedUnits.ToString());
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decimal newValue = (decimal)Math.Round((double)DiskTemplate.virtual_size / GetUnits(), DiskSizeNumericUpDown.DecimalPlaces);
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DiskSizeNumericUpDown.Value = newValue >= DiskSizeNumericUpDown.Minimum && newValue <= DiskSizeNumericUpDown.Maximum ?
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newValue : DiskSizeNumericUpDown.Maximum;
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if (MinSize > 0)
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min = (decimal)((double)MinSize / GetUnits());
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DiskSizeNumericUpDown.Enabled = CanResize;
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Text = Messages.EDIT_DISK;
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OkButton.Text = Messages.OK;
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}
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private string GetDefaultVDIName()
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{
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List<string> usedNames = new List<string>();
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foreach (VDI v in connection.Cache.VDIs.Concat(_VDINamesInUse))
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{
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usedNames.Add(v.Name());
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}
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return Helpers.MakeUniqueName(Messages.DEFAULT_VDI_NAME, usedNames);
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}
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private void SrListBox_SrSelectionChanged(object obj)
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{
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SelectionNull = obj == null;
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}
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private void srListBox_SelectedIndexChanged(object sender, EventArgs e)
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{
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updateErrorsAndButtons();
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}
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private void OkButton_Click(object sender, EventArgs e)
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{
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if (SrListBox.SR == null || SelectionNull || NameTextBox.Text == "" || !connection.IsConnected)
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return;
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if (DontCreateVDI)
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{
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DialogResult = DialogResult.OK;
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Close();
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return;
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}
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XenAPI.SR sr = SrListBox.SR;
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if (!sr.shared && TheVM != null && TheVM.HaPriorityIsRestart())
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{
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DialogResult dialogResult;
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.NEW_SR_DIALOG_ATTACH_NON_SHARED_DISK_HA, Messages.XENCENTER),
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ThreeButtonDialog.ButtonYes,
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ThreeButtonDialog.ButtonNo))
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{
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dialogResult = dlg.ShowDialog(Program.MainWindow);
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}
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if (dialogResult != DialogResult.Yes)
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return;
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new HAUnprotectVMAction(TheVM).RunExternal(TheVM.Connection.Session);
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}
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VDI vdi = NewDisk();
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if (TheVM != null)
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{
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var alreadyHasBootableDisk = HasBootableDisk(TheVM);
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Actions.DelegatedAsyncAction action = new Actions.DelegatedAsyncAction(connection,
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string.Format(Messages.ACTION_DISK_ADDING_TITLE, NameTextBox.Text, sr.NameWithoutHost()),
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Messages.ACTION_DISK_ADDING, Messages.ACTION_DISK_ADDED,
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delegate(XenAPI.Session session)
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{
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// Get legitimate unused userdevice numbers
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string[] uds = XenAPI.VM.get_allowed_VBD_devices(session, TheVM.opaque_ref);
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if (uds.Length == 0)
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{
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throw new Exception(FriendlyErrorNames.VBDS_MAX_ALLOWED);
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}
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string ud = uds[0];
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string vdiref = VDI.create(session, vdi);
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XenAPI.VBD vbd = NewDevice();
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vbd.VDI = new XenAPI.XenRef<XenAPI.VDI>(vdiref);
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vbd.VM = new XenAPI.XenRef<XenAPI.VM>(TheVM);
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// CA-44959: only make bootable if there aren't other bootable VBDs.
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vbd.bootable = ud == "0" && !alreadyHasBootableDisk;
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vbd.userdevice = ud;
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// Now try to plug the VBD.
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var plugAction = new VbdSaveAndPlugAction(TheVM, vbd, vdi.Name(), session, false);
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plugAction.ShowUserInstruction += PlugAction_ShowUserInstruction;
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plugAction.RunAsync();
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});
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action.VM = TheVM;
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using (var dialog = new ActionProgressDialog(action, ProgressBarStyle.Blocks))
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dialog.ShowDialog();
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if (!action.Succeeded)
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return;
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}
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else
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{
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CreateDiskAction action = new CreateDiskAction(vdi);
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using (var dialog = new ActionProgressDialog(action, ProgressBarStyle.Marquee))
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dialog.ShowDialog();
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if (!action.Succeeded)
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return;
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}
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DialogResult = DialogResult.OK;
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Close();
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}
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private void PlugAction_ShowUserInstruction(string message)
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{
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Program.Invoke(Program.MainWindow, () =>
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{
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if (!Program.RunInAutomatedTestMode)
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{
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using (var dlg = new ThreeButtonDialog(
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new ThreeButtonDialog.Details(SystemIcons.Information, message)))
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{
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dlg.ShowDialog(Program.MainWindow);
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}
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}
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});
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}
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private static bool HasBootableDisk(VM vm)
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{
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var c = vm.Connection;
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foreach (XenRef<VBD> vbdRef in vm.VBDs)
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{
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var vbd = c.Resolve(vbdRef);
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if (vbd != null && !vbd.IsCDROM() && !vbd.IsFloppyDrive() && vbd.bootable)
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{
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VDI vdi = c.Resolve(vbd.VDI);
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if (vdi != null)
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{
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SR sr = c.Resolve(vdi.SR);
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if (sr != null && sr.IsToolsSR())
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{
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continue;
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}
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}
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return true;
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}
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}
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return false;
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}
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private void SetNumUpDownIncrementAndDecimals(NumericUpDown upDown, string units)
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{
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if (units == Messages.VAL_GIGB)
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{
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upDown.DecimalPlaces = DecimalPlacesGB;
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upDown.Increment = IncrementGB;
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}
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else
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{
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upDown.DecimalPlaces = DecimalPlacesMB;
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upDown.Increment = IncrementMB;
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}
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}
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public VDI NewDisk()
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{
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VDI vdi = new VDI();
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vdi.Connection = connection;
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vdi.read_only = DiskTemplate != null ? DiskTemplate.read_only : false;
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vdi.SR = new XenAPI.XenRef<XenAPI.SR>(SrListBox.SR);
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vdi.virtual_size = Convert.ToInt64(DiskSizeNumericUpDown.Value * GetUnits());
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vdi.name_label = NameTextBox.Text;
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vdi.name_description = DescriptionTextBox.Text;
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vdi.sharable = DiskTemplate != null ? DiskTemplate.sharable : false;
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vdi.type = DiskTemplate != null ? DiskTemplate.type : vdi_type.user;
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vdi.SetVmHint(TheVM != null ? TheVM.uuid : "");
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return vdi;
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}
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private long GetUnits()
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{
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return (SelectedUnits == DiskSizeUnits.GB ? Util.BINARY_GIGA : Util.BINARY_MEGA);
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}
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public VBD NewDevice()
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{
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VBD vbd = new VBD();
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vbd.Connection = connection;
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vbd.device = "";
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vbd.empty = false;
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vbd.type = XenAPI.vbd_type.Disk;
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vbd.mode = XenAPI.vbd_mode.RW;
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vbd.SetIsOwner(true);
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vbd.unpluggable = true;
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return vbd;
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}
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private void NameTextBox_TextChanged(object sender, EventArgs e)
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{
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updateErrorsAndButtons();
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}
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private DiskSizeUnits SelectedUnits
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{
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get { return comboBoxUnits.SelectedIndex == 0 ? DiskSizeUnits.GB : DiskSizeUnits.MB; }
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set { comboBoxUnits.SelectedIndex = value == DiskSizeUnits.GB ? 0 : 1; }
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}
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private decimal GetDiskTooSmallMessageMinSize()
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{
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return min == 0 ? SelectedUnits == DiskSizeUnits.GB ? MinimumDiskSizeGB : MinimumDiskSizeMB : min;
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}
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private void updateErrorsAndButtons()
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{
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// Ordering is important here, we want to show the most relevant message
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if (comboBoxUnits.SelectedItem == null)
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return;
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if (!SrListBox.ValidSelectionExists)
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{
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OkButton.Enabled = false;
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setError(Messages.NO_VALID_DISK_LOCATION);
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return;
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}
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if (SelectionNull)
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{
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OkButton.Enabled = false;
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// shouldn't happen I think, previous if block should catch this, just to be safe
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setError(null);
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return;
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}
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if (DiskSizeNumericUpDown.Text.Trim() == string.Empty)
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{
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OkButton.Enabled = false;
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// too minor for scary error to be displayed, plus it's obvious as they have to
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// delete the default entry and can see the OK button disable as they do so
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setError(null);
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return;
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}
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if (!DiskSizeValidNumber())
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{
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OkButton.Enabled = false;
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setError(Messages.INVALID_NUMBER);
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return;
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}
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if (!DiskSizeValid())
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{
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OkButton.Enabled = false;
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setError(string.Format(Messages.DISK_TOO_SMALL, GetDiskTooSmallMessageMinSize(),
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comboBoxUnits.SelectedItem.ToString()));
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return;
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}
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if (string.IsNullOrEmpty(NameTextBox.Text.Trim()))
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{
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OkButton.Enabled = false;
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// too minor for scary error to be displayed, plus it's obvious as they have to
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// delete the default entry and can see the OK button disable as they do so
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setError(null);
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return;
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}
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OkButton.Enabled = true;
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setError(null);
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}
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private void setError(string error)
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{
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if (string.IsNullOrEmpty(error))
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tableLayoutPanelError.Visible = false;
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else
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{
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tableLayoutPanelError.Visible = true;
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labelError.Text = error;
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}
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}
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private bool DiskSizeValidNumber()
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{
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decimal val;
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return decimal.TryParse(DiskSizeNumericUpDown.Text.Trim(), out val);
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}
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private bool DiskSizeValid()
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{
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decimal val;
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if (decimal.TryParse(DiskSizeNumericUpDown.Text.Trim(), out val))
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{
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if (min == 0)
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return val > min && val <= max;
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return val >= min && val <= max;
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}
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return false;
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}
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private void CloseButton_Click(object sender, EventArgs e)
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{
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DialogResult = DialogResult.Cancel;
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Close();
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}
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public bool DontCreateVDI { get; set; }
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private void DiskSizeNumericUpDown_ValueChanged(object sender, EventArgs e)
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{
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UpdateDiskSize();
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}
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private void DiskSizeNumericUpDown_TextChanged(object sender, EventArgs e)
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{
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UpdateDiskSize();
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}
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private void DiskSizeNumericUpDown_KeyUp(object sender, KeyEventArgs e)
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{
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UpdateDiskSize();
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}
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private void UpdateDiskSize()
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{
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// Don't use DiskSizeNumericUpDown.Value here, as it will fire the NumericUpDown built-in validation. Use Text property instead. (CA-46028)
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decimal newValue;
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if (decimal.TryParse(DiskSizeNumericUpDown.Text.Trim(), out newValue))
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{
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try
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{
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SrListBox.DiskSize = (long)(Math.Round(newValue * GetUnits()));
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}
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catch (OverflowException)
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{
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//CA-71312
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SrListBox.DiskSize = newValue < 0 ? long.MinValue : long.MaxValue;
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}
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SrListBox.UpdateDiskSize();
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}
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RefreshMinSize();
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updateErrorsAndButtons();
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}
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private void RefreshMinSize()
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{
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if (DiskTemplate == null)
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return;
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if (MinSize > 0)
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min = (decimal)((double)MinSize / GetUnits());
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}
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private void comboBoxUnits_SelectedIndexChanged(object sender, EventArgs e)
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{
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//Check if the new unit is different than the previous one otherwise discard the change
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if (currentSelectedUnits != SelectedUnits)
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{
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currentSelectedUnits = SelectedUnits;
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//Convert the current value to the new units
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decimal newValue = (decimal)Math.Round(SelectedUnits == DiskSizeUnits.GB ? ((double)DiskSizeNumericUpDown.Value / 1024) : ((double)DiskSizeNumericUpDown.Value * 1024), DiskSizeNumericUpDown.DecimalPlaces);
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DiskSizeNumericUpDown.Value = newValue >= DiskSizeNumericUpDown.Minimum && newValue <= DiskSizeNumericUpDown.Maximum ?
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newValue : DiskSizeNumericUpDown.Maximum;
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SetNumUpDownIncrementAndDecimals(DiskSizeNumericUpDown, comboBoxUnits.SelectedItem.ToString());
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UpdateDiskSize();
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}
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}
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internal override string HelpName
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{
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get
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{
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if (DiskTemplate != null)
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return "EditNewDiskDialog";
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else
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return "NewDiskDialog";
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}
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}
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}
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}
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