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using System;
using System.Collections.Generic;
using System.Linq;
using XenAdmin.Core;
using XenAdmin.Dialogs;
using XenAPI;
namespace XenAdmin.Commands
{
class MigrateVirtualDiskCommand : Command
{
///
/// Initializes a new instance of this Command. The parameter-less constructor is required in the derived
/// class if it is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
///
public MigrateVirtualDiskCommand()
{
}
public MigrateVirtualDiskCommand(IMainWindow mainWindow, IEnumerable selection)
: base(mainWindow, selection)
{
}
public override string ContextMenuText
{
get { return GetSelection().Count > 1 ? Messages.MAINWINDOW_MOVE_OBJECTS : Messages.MOVE_VDI_CONTEXT_MENU; }
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
List vdis = selection.AsXenObjects();
bool featureForbidden = vdis.TrueForAll(vdi => Helpers.FeatureForbidden(vdi.Connection, Host.RestrictCrossPoolMigrate));
if (featureForbidden)
{
string theText = HiddenFeatures.LinkLabelHidden
? Messages.MIGRATE_VDI_UPSELL_BLURB
: Messages.MIGRATE_VDI_UPSELL_BLURB + Messages.MIGRATE_VDI_UPSELL_BLURB_MORE;
using (var dlg = new UpsellDialog(theText, InvisibleMessages.UPSELL_LEARNMOREURL_CPM))
dlg.ShowDialog(Parent);
}
else
{
new MoveVirtualDiskDialog(selection.FirstAsXenObject.Connection, null, vdis).Show(Program.MainWindow);
}
}
protected override bool CanExecuteCore(SelectedItemCollection selection)
{
return selection.Count > 0 && selection.All(v => CanBeMigrated(v.XenObject as VDI));
}
private bool CanBeMigrated(VDI vdi)
{
if (vdi == null || vdi.is_a_snapshot || vdi.Locked || vdi.IsHaType())
return false;
if(vdi.Connection.ResolveAll(vdi.VBDs).Count == 0)
return false;
if (vdi.GetVMs().Any(vm => !vm.IsRunning()) && !Helpers.DundeeOrGreater(vdi.Connection))
return false;
SR sr = vdi.Connection.Resolve(vdi.SR);
if (sr == null || sr.HBALunPerVDI())
return false;
if (Helpers.DundeePlusOrGreater(vdi.Connection) && !sr.allowed_operations.Contains(storage_operations.vdi_mirror))
return false;
return true;
}
protected override string GetCantExecuteReasonCore(SelectedItem item)
{
VDI vdi = item.XenObject as VDI;
if (vdi == null)
return base.GetCantExecuteReasonCore(item);
if (vdi.is_a_snapshot)
return Messages.CANNOT_MOVE_VDI_IS_SNAPSHOT;
if (vdi.Locked)
return Messages.CANNOT_MOVE_VDI_IN_USE;
if (vdi.IsHaType())
return Messages.CANNOT_MOVE_HA_VD;
if (vdi.IsMetadataForDR())
return Messages.CANNOT_MOVE_DR_VD;
if (vdi.GetVMs().Any(vm => !vm.IsRunning()) && !Helpers.DundeeOrGreater(vdi.Connection))
return Messages.CANNOT_MIGRATE_VDI_NON_RUNNING_VM;
SR sr = vdi.Connection.Resolve(vdi.SR);
if (sr == null)
return base.GetCantExecuteReasonCore(item);
if (sr.HBALunPerVDI())
return Messages.UNSUPPORTED_SR_TYPE;
if (Helpers.DundeePlusOrGreater(vdi.Connection) && !sr.allowed_operations.Contains(storage_operations.vdi_mirror))
return Messages.UNSUPPORTED_SR_TYPE;
return base.GetCantExecuteReasonCore(item);
}
}
}