mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-11-23 12:30:50 +01:00
246 lines
9.7 KiB
C#
246 lines
9.7 KiB
C#
/* Copyright (c) Cloud Software Group, Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms,
|
|
* with or without modification, are permitted provided
|
|
* that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using XenAPI;
|
|
using XenAdmin.Network;
|
|
using XenAdmin.Dialogs;
|
|
using XenAdmin.Core;
|
|
using System.Windows.Forms;
|
|
using XenAdmin.Actions;
|
|
using XenCenterLib;
|
|
using System.IO;
|
|
|
|
|
|
namespace XenAdmin.Commands
|
|
{
|
|
/// <summary>
|
|
/// Shows the ExportVMDialog dialog for the selected VM.
|
|
/// </summary>
|
|
internal class ExportVMCommand : Command
|
|
{
|
|
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of this Command. The parameter-less constructor is required if
|
|
/// this Command is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
|
|
/// </summary>
|
|
public ExportVMCommand()
|
|
{
|
|
}
|
|
|
|
public ExportVMCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
|
|
: base(mainWindow, selection)
|
|
{
|
|
}
|
|
|
|
public ExportVMCommand(IMainWindow mainWindow, SelectedItem selection)
|
|
: base(mainWindow, selection)
|
|
{
|
|
}
|
|
|
|
public ExportVMCommand(IMainWindow mainWindow, VM vm)
|
|
: base(mainWindow, vm)
|
|
{
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="connection"></param>
|
|
/// <param name="vm">The VM to export.</param>
|
|
/// <param name="host">Used for filtering purposes. May be null.</param>
|
|
private void Run(IXenConnection connection, VM vm, Host host)
|
|
{
|
|
/*
|
|
* These properties have not been copied over to the new save file dialog.
|
|
*
|
|
dlg.AddExtension = true;
|
|
dlg.CheckPathExists = true;
|
|
dlg.CreatePrompt = false;
|
|
dlg.CheckFileExists = false;
|
|
dlg.OverwritePrompt = true;
|
|
dlg.ValidateNames = true;*/
|
|
|
|
string filename;
|
|
bool verify;
|
|
|
|
// Showing this dialog has the (undocumented) side effect of changing the working directory
|
|
// to that of the file selected. This means a handle to the directory persists, making
|
|
// it undeletable until the program exits, or the working dir moves on. So, save and
|
|
// restore the working dir...
|
|
String oldDir = "";
|
|
try
|
|
{
|
|
oldDir = Directory.GetCurrentDirectory();
|
|
while (true)
|
|
{
|
|
ExportVMDialog dlg = new ExportVMDialog();
|
|
dlg.DefaultExt = "xva";
|
|
dlg.Filter = Messages.MAINWINDOW_XVA_BLURB;
|
|
dlg.Title = Messages.MAINWINDOW_XVA_TITLE;
|
|
|
|
if (dlg.ShowDialog(Parent) != DialogResult.OK)
|
|
return;
|
|
|
|
filename = dlg.FileName;
|
|
verify = dlg.Verify;
|
|
|
|
// CA-12975: Warn the user if the export operation does not have enough disk space to
|
|
// complete. This is an approximation only.
|
|
Win32.DiskSpaceInfo diskSpaceInfo = null;
|
|
try
|
|
{
|
|
diskSpaceInfo = Win32.GetDiskSpaceInfo(dlg.FileName);
|
|
}
|
|
catch (Exception exn)
|
|
{
|
|
log.Warn(exn, exn);
|
|
}
|
|
|
|
if (diskSpaceInfo == null)
|
|
{
|
|
// Could not determine free disk space. Carry on regardless.
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
ulong freeSpace = diskSpaceInfo.FreeBytesAvailable;
|
|
decimal neededSpace = vm.GetRecommendedExportSpace(Properties.Settings.Default.ShowHiddenVMs);
|
|
ulong spaceLeft = 100 * Util.BINARY_MEGA; // We want the user to be left with some disk space afterwards
|
|
if (neededSpace >= freeSpace - spaceLeft)
|
|
{
|
|
string msg = string.Format(Messages.CONFIRM_EXPORT_NOT_ENOUGH_MEMORY, Util.DiskSizeString((long)neededSpace),
|
|
Util.DiskSizeString((long)freeSpace), vm.Name());
|
|
|
|
DialogResult dr;
|
|
using (var d = new WarningDialog(msg,
|
|
new ThreeButtonDialog.TBDButton(Messages.CONTINUE_WITH_EXPORT, DialogResult.OK),
|
|
new ThreeButtonDialog.TBDButton(Messages.CHOOSE_ANOTHER_DESTINATION, DialogResult.Retry),
|
|
ThreeButtonDialog.ButtonCancel){HelpNameSetter = "ExportVmDialogInsufficientDiskSpace"})
|
|
{
|
|
dr = d.ShowDialog(Parent);
|
|
}
|
|
|
|
if (dr == DialogResult.Retry)
|
|
{
|
|
continue;
|
|
}
|
|
else if (dr == DialogResult.Cancel)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
if (diskSpaceInfo.IsFAT && neededSpace > (4 * Util.BINARY_GIGA) - 1)
|
|
{
|
|
string msg = string.Format(Messages.CONFIRM_EXPORT_FAT, Util.DiskSizeString((long)neededSpace),
|
|
Util.DiskSizeString(4 * Util.BINARY_GIGA), vm.Name());
|
|
|
|
DialogResult dr;
|
|
using (var d = new WarningDialog(msg,
|
|
new ThreeButtonDialog.TBDButton(Messages.CONTINUE_WITH_EXPORT, DialogResult.OK),
|
|
new ThreeButtonDialog.TBDButton(Messages.CHOOSE_ANOTHER_DESTINATION, DialogResult.Retry),
|
|
ThreeButtonDialog.ButtonCancel){HelpNameSetter = "ExportVmDialogFSLimitExceeded"})
|
|
{
|
|
dr = d.ShowDialog(Parent);
|
|
}
|
|
|
|
if (dr == DialogResult.Retry)
|
|
{
|
|
continue;
|
|
}
|
|
else if (dr == DialogResult.Cancel)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
Directory.SetCurrentDirectory(oldDir);
|
|
}
|
|
|
|
new ExportVmAction(connection, host, vm, filename, verify).RunAsync();
|
|
}
|
|
|
|
protected override void RunCore(SelectedItemCollection selection)
|
|
{
|
|
VM vm = (VM)selection[0].XenObject;
|
|
Host host = vm.Home();
|
|
Pool pool = Helpers.GetPool(vm.Connection);
|
|
|
|
if (host == null && pool != null)
|
|
{
|
|
host = pool.Connection.Resolve(pool.master);
|
|
}
|
|
|
|
Run(selection[0].Connection, vm, host);
|
|
}
|
|
|
|
protected override bool CanRunCore(SelectedItemCollection selection)
|
|
{
|
|
if (selection.Count == 1)
|
|
{
|
|
VM vm = selection[0].XenObject as VM;
|
|
|
|
if (vm != null && !vm.is_a_template && !vm.Locked && vm.allowed_operations != null && vm.allowed_operations.Contains(vm_operations.export))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|
|
public override string MenuText
|
|
{
|
|
get
|
|
{
|
|
return Messages.MAINWINDOW_EXPORT_VM_AS_BACKUP;
|
|
}
|
|
}
|
|
|
|
protected override string GetCantRunReasonCore(IXenObject item)
|
|
{
|
|
VM vm = item as VM;
|
|
if (vm == null)
|
|
return base.GetCantRunReasonCore(item);
|
|
if (vm.power_state == vm_power_state.Running)
|
|
return Messages.MAINWINDOW_EXPORT_VM_AS_BACKUP_TOOLTIP;
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|