xenadmin/XenModel/Actions/VMAppliances/AssignVMsToVMApplianceAction.cs
Mihaela Stoica c061b0f57d CA-257574: Manage vApps dialog is unusable with a vApp containing a l… (#1664)
* CA-257574: Manage vApps dialog is unusable with a vApp containing a large number of VMs

- In the VMAppliancesDialog, change event handlers to reduce the number of refreshes when something changes: only reload the appliances when the VM_appliance collection change; if a relevant property is changed (in VM_appliance or VM), then update only the affected rows.
- Improve the way we assign VMs to a group (AssignVMsToVMApplianceAction and AssignVMsToPolicyAction): only update the VMs that really changed.
- Also improve the way we update the VM startup options and HA restart priorities on a set of VMs

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>

* CA-257574: Manage vApps dialog is unusable with a vApp containing a large number of VMs: changes following code review

- reverted the changes to the AssignVMsToGroup actions that added the additional constructor
- changed the AssignVMsToGroup actions to calculate the set difference between two lists more efficiently
- added code to deregister PropertyChanged events on VM_appliances
- removed getCurrentSettings() method as it is not needed, GetChangedSettings can be used in all cases

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
2017-06-27 17:32:46 +01:00

100 lines
4.0 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
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using System.Collections.Generic;
using System.Linq;
using XenAdmin.Core;
using XenAPI;
namespace XenAdmin.Actions
{
public class AssignVMsToVMApplianceAction : PureAsyncAction
{
private VM_appliance _vmAppliance;
private List<XenRef<VM>> _selectedVMs;
public AssignVMsToVMApplianceAction(VM_appliance vmAppliance, List<XenRef<VM>> selectedVMs, bool suppressHistory)
: base(vmAppliance.Connection, selectedVMs.Count == 1 ?
string.Format(Messages.ASSIGN_VM_TO_VAPP, vmAppliance.Connection.Resolve(selectedVMs[0]), vmAppliance.Name)
: string.Format(Messages.ASSIGN_VMS_TO_VAPP, vmAppliance.Name), suppressHistory)
{
_vmAppliance = vmAppliance;
_selectedVMs = selectedVMs;
Pool = Helpers.GetPool(vmAppliance.Connection);
}
protected override void Run()
{
Description = Messages.ASSIGNING_VM_APPLIANCE;
var removedItems = _vmAppliance.VMs.Except(_selectedVMs);
foreach (var xenRef in removedItems)
{
VM.set_appliance(Session, xenRef, null);
}
foreach (var vmRef in _selectedVMs)
{
var vm = _vmAppliance.Connection.Resolve(vmRef);
if (vm != null && (vm.appliance == null || vm.appliance.opaque_ref != _vmAppliance.opaque_ref))
VM.set_appliance(Session, vm.opaque_ref, _vmAppliance.opaque_ref);
}
Description = Messages.ASSIGNED_VM_APPLIANCE;
}
}
public class RemoveVMsFromVMApplianceAction : PureAsyncAction
{
private List<XenRef<VM>> _selectedVMs;
public RemoveVMsFromVMApplianceAction(VM_appliance vmAppliance, List<XenRef<VM>> selectedVMs)
: base(vmAppliance.Connection, selectedVMs.Count == 1 ?
string.Format(Messages.REMOVE_VM_FROM_APPLIANCE, vmAppliance.Connection.Resolve(selectedVMs[0]), vmAppliance.Name)
: string.Format(Messages.REMOVE_VMS_FROM_APPLIANCE, vmAppliance.Name))
{
_selectedVMs = selectedVMs;
Pool = Helpers.GetPool(vmAppliance.Connection);
}
protected override void Run()
{
Description = Messages.REMOVING_VMS_FROM_APPLIANCE;
foreach (var xenRef in _selectedVMs)
{
VM.set_appliance(Session, xenRef, null);
}
Description = Messages.REMOVED_VMS_FROM_APPLIANCE;
}
}
}