xenadmin/XenModel/Actions/VMSS/AssignVMsToPolicyAction.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

103 lines
3.7 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
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using System.Collections.Generic;
using System.Linq;
using XenAPI;
using XenAdmin.Core;
namespace XenAdmin.Actions
{
public class AssignVMsToPolicyAction : PureAsyncAction
{
private VMSS _policy;
private List<XenRef<VM>> _selectedVMs;
public AssignVMsToPolicyAction(VMSS policy, List<XenRef<VM>> selectedVMs, bool suppressHistory)
: base(policy.Connection, Messages.ASSIGN_VMSS_POLICY_NOAMP, suppressHistory)
{
_policy = policy;
_selectedVMs = selectedVMs;
Pool = Helpers.GetPool(policy.Connection);
}
protected override void Run()
{
Description = Messages.ASSIGNING_VMSS_POLICY;
var removedItems = _policy.VMs.Except(_selectedVMs);
foreach (var xenRef in removedItems)
{
VM.set_snapshot_schedule(Session, xenRef, null);
}
foreach (var vmRef in _selectedVMs)
{
var vm = _policy.Connection.Resolve(vmRef);
if (vm != null && (vm.snapshot_schedule == null || vm.snapshot_schedule.opaque_ref != _policy.opaque_ref))
VM.set_snapshot_schedule(Session, vm.opaque_ref, _policy.opaque_ref);
}
Description = Messages.ASSIGNED_VMSS_POLICY;
}
}
public class RemoveVMsFromPolicyAction : PureAsyncAction
{
private List<XenRef<VM>> _selectedVMs;
private VMSS _policy;
public RemoveVMsFromPolicyAction(VMSS policy, List<XenRef<VM>> selectedVMs)
: base(policy.Connection,
selectedVMs.Count == 1 ?
string.Format(Messages.REMOVE_VM_FROM_VMSS, policy.Connection.Resolve(selectedVMs[0]), policy.Name) :
string.Format(Messages.REMOVE_VMS_FROM_VMSS, policy.Name))
{
_policy = policy;
_selectedVMs = selectedVMs;
Pool = Helpers.GetPool(policy.Connection);
}
protected override void Run()
{
Description = Messages.REMOVING_VMS_FROM_VMSS;
foreach (var xenRef in _selectedVMs)
VM.set_snapshot_schedule(Session, xenRef, null);
Description = Messages.REMOVED_VMS_FROM_VMSS;
}
}
}