private List <AsyncAction> getDestroyVDIAction(VDI vdi, List <VM> deletedVMSnapshots)
{
List <AsyncAction> actions = new List <AsyncAction>();
// Destroy the entire snapshot if it exists. Else destroy disk
if (vdi.is_a_snapshot && vdi.GetVMs().Count >= 1)
{
foreach (VM vm in vdi.GetVMs())
{
if (!vm.is_a_snapshot || deletedVMSnapshots.Contains(vm))
{
continue;
}
AsyncAction action = new VMSnapshotDeleteAction(vm);
actions.Add(action);
deletedVMSnapshots.Add(vm);
}
}
else
{
SR sr = vdi.Connection.Resolve(vdi.SR);
if (sr == null)
{
// Nothing we can do here, but this should have been caught in the getcantexecutereason method and prompted
return(actions);
}
DestroyDiskAction a = new DestroyDiskAction(vdi);
a.AllowRunningVMDelete = AllowRunningVMDelete;
actions.Add(a);
}
return(actions);
}
private bool VDIIsSuitable(VDI vdi)
{
if (vdi == null)
{
return(false);
}
if (vdi.is_a_snapshot)
{
return(false);
}
if (vdi.Locked)
{
return(false);
}
if (vdi.IsHaType)
{
return(false);
}
if (vdi.Connection.ResolveAll(vdi.VBDs).Count < 1)
{
return(false);
}
if (vdi.GetVMs().Any(vm => !vm.IsRunning) && !Helpers.DundeeOrGreater(vdi.Connection))
{
return(false);
}
SR sr = GetSR(vdi);
if (sr == null || sr.HBALunPerVDI)
{
return(false);
}
return(true);
}
private bool CanBeMigrated(VDI vdi)
{
if (vdi == null || vdi.is_a_snapshot || vdi.Locked || vdi.IsHaType() || vdi.cbt_enabled)
{
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);
}
private void PopulatePage()
{
currentValue = VDI.get_allow_caching(this.vdi.Connection.Session, this.vdi.opaque_ref);
useSSDCacheCheckBox.Checked = currentValue;
var vms = vdi.GetVMs();
useSSDCacheCheckBox.Enabled = !(vms.Any(vm => vm.IsRunning)) && ShowSSDCache(vdi);
}
/// <summary>
/// We can move VDIs to a local SR only if the VDI is attached to VMs
/// that have a home server that can see the SR
/// </summary>
private static bool HomeHostCanSeeTargetSr(VDI vdi, SR targetSr)
{
var vms = vdi.GetVMs();
var homeHosts = (from VM vm in vms
let host = vm.Home()
where host != null
select host).ToList();
return(homeHosts.Count > 0 && homeHosts.All(targetSr.CanBeSeenFrom));
}
/// <summary>
/// If the VM has a home host, we can move VDIs to a local SR only
/// if the latter belongs to the VM's home host
/// </summary>
private bool HomeHostCanSeeTargetSr(VDI vdi)
{
var vms = vdi.GetVMs();
var homeHosts = (from VM vm in vms
let host = vm.Home()
where host != null
select host).ToList();
return(homeHosts.Count == 0 || homeHosts.Any(TheSR.CanBeSeenFrom));
}
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.cbt_enabled)
{
return(Messages.CANNOT_MOVE_CBT_ENABLED_VDI);
}
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));
}
private bool ShowSSDCache(VDI vdi)
{
var vms = vdi.GetVMs();
SR vmsr = vdi.Connection.Resolve <SR>(vdi.SR);
if (!vmsr.IsLocalSR && vmsr.GetSRType(true) != SR.SRTypes.nfs)
{
return(false);
}
var Affinity = vms.Count == 0 ? null : (vms[0] == null ? null : vms[0].GetStorageHost(true));
List <SR> AllSRs = new List <SR>(vdi.Connection.Cache.SRs);
List <SR> srs;
if (Affinity != null)
{
srs = new List <SR>();
foreach (SR sr in AllSRs)
{
if (sr.GetStorageHost() == Affinity)
{
srs.Add(sr);
}
}
}
else
{
srs = AllSRs;
}
foreach (SR sr in srs)
{
if (sr == null || sr.IsToolsSR || !sr.Show(Properties.Settings.Default.ShowHiddenVMs))
{
continue;
}
if (sr.GetSRType(true) == SR.SRTypes.ext && SR.get_local_cache_enabled(vdi.Connection.Session, sr.opaque_ref))
{
return(true);
}
}
return(false);
}
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 = GetSR(vdi);
if (sr == null)
{
return(base.GetCantExecuteReasonCore(item));
}
if (sr.HBALunPerVDI)
{
return(Messages.UNSUPPORTED_SR_TYPE);
}
return(base.GetCantExecuteReasonCore(item));
}
private bool CanBeMoved(VDI vdi)
{
if (vdi == null || vdi.is_a_snapshot || vdi.Locked || vdi.IsHaType() || vdi.cbt_enabled)
{
return(false);
}
SR sr = vdi.Connection.Resolve(vdi.SR);
if (sr == null || sr.HBALunPerVDI())
{
return(false);
}
if (vdi.GetVMs().Any(vm => vm.power_state != vm_power_state.Halted))
{
return(false);
}
return(true);
}
public ConfirmVMDeleteDialog(IEnumerable <VM> vms)
{
Util.ThrowIfParameterNull(vms, "vms");
InitializeComponent();
pictureBox1.Image = SystemIcons.Warning.ToBitmap();
HelpButton = true;
// We have to set the header text again here because they're in base64
// encoding in the resx, so can't be easily localised: see CA-43371.
listView.Groups["listViewGroupAttachedDisks"].Header = Messages.ATTACHED_VIRTUAL_DISKS;
listView.Groups["listViewGroupSnapshots"].Header = Messages.SNAPSHOTS;
List <VM> vmList = new List <VM>(vms);
if (vmList.Count == 1)
{
String type = vmList[0].is_a_template ? Messages.TEMPLATE : Messages.VM;
Text = String.Format(Messages.CONFIRM_DELETE_TITLE, type);
}
else
{
Text = Messages.CONFIRM_DELETE_ITEMS_TITLE;
}
List <VDI> sharedVDIsCouldBeDelete = new List <VDI>();
foreach (VM vm in vmList)
{
foreach (VBD vbd in vm.Connection.ResolveAll(vm.VBDs))
{
if (!vbd.IsCDROM)
{
VDI vdi = vbd.Connection.Resolve(vbd.VDI);
if (vdi != null)
{
IList <VM> VMsUsingVDI = vdi.GetVMs();
bool allTheVMsAreDeleted = true;
if (VMsUsingVDI.Count > 1)
{
foreach (VM vmUsingVdi in VMsUsingVDI)
{
if (!vmList.Contains(vmUsingVdi))
{
allTheVMsAreDeleted = false;
break;
}
}
if (allTheVMsAreDeleted && !sharedVDIsCouldBeDelete.Contains(vdi))
{
sharedVDIsCouldBeDelete.Add(vdi);
}
}
else
{
ListViewItem item = new ListViewItem();
item.Text = vdi.Name;
item.SubItems.Add(vm.Name);
item.Group = listView.Groups["listViewGroupAttachedDisks"];
item.Tag = vbd;
item.Checked = vbd.IsOwner;
foreach (ListViewItem.ListViewSubItem subitem in item.SubItems)
{
subitem.Tag = subitem.Text;
}
listView.Items.Add(item);
}
}
}
}
foreach (VM snapshot in vm.Connection.ResolveAll(vm.snapshots))
{
ListViewItem item = new ListViewItem();
item.Text = snapshot.Name;
item.SubItems.Add(vm.Name);
item.Tag = snapshot;
item.Group = listView.Groups["listViewGroupSnapshots"];
foreach (ListViewItem.ListViewSubItem subitem in item.SubItems)
{
subitem.Tag = subitem.Text;
}
listView.Items.Add(item);
}
}
foreach (VDI vdi in sharedVDIsCouldBeDelete)
{
ListViewItem item = new ListViewItem();
item.Text = vdi.Name;
item.SubItems.Add(vdi.VMsOfVDI);
item.Group = listView.Groups["listViewGroupAttachedDisks"];
item.Tag = vdi.Connection.ResolveAll(vdi.VBDs);
item.Checked = false;
foreach (ListViewItem.ListViewSubItem subitem in item.SubItems)
{
subitem.Tag = subitem.Text;
}
listView.Items.Add(item);
}
EnableSelectAllClear();
EllipsizeStrings();
}
/// <summary>
/// We can only move VDIs to a local SR if that local SR belongs
/// to the host on which the VM is running.
/// </summary>
private bool SrIsLocalToTheHostOnWhichTheVmIsRunning(SR sr, VDI vdi)
{
List <Host> hostOfVdi = vdi.GetVMs().Select(vm => vm.Home()).ToList();
return(hostOfVdi.Any(sr.CanBeSeenFrom));
}