protected override void ExecuteCore(SelectedItemCollection selection)
{
List <AsyncAction> actions = new List <AsyncAction>();
foreach (Host host in selection.AsXenObjects <Host>(CanExecute))
{
var action = new HostPowerOnAction(host);
action.Completed += Program.MainWindow.action_Completed;
actions.Add(action);
}
RunMultipleActions(actions, null, Messages.ACTION_HOST_STARTING, Messages.ACTION_HOST_STARTED, true);
}
protected override void ExecuteCore(SelectedItemCollection selection)
{
List <AsyncAction> actions = new List <AsyncAction>();
foreach (Host host in selection.AsXenObjects <Host>(CanExecute))
{
var action = new HostPowerOnAction(host);
action.Completed += s => MainWindowCommandInterface.RequestRefreshTreeView();
actions.Add(action);
}
RunMultipleActions(actions, null, Messages.ACTION_HOST_STARTING, Messages.ACTION_HOST_STARTED, true);
}
protected override void Run()
{
if (vmOptList.Count == 0)
{
log.ErrorFormat("{0} has no VMs need to be optimized", Helpers.GetName(Pool));
return;
}
this.Description = Messages.ACTION_WLB_POOL_OPTIMIZING;
try
{
log.Debug("Optimizing " + Pool.Name());
// for checking whether to display recommendations on optimize pool listview
Helpers.SetOtherConfig(this.Session, this.Pool, WlbOptimizationRecommendation.OPTIMIZINGPOOL, Messages.IN_PROGRESS);
int start = 0;
int each = 90 / vmOptList.Count;
foreach (KeyValuePair <VM, WlbOptimizationRecommendation> vmItem in vmOptList)
{
VM vm = vmItem.Key;
if (vmItem.Key.is_control_domain)
{
log.Debug(vmItem.Value.powerOperation + " " + Helpers.GetName(vmItem.Value.toHost));
Host fromHost = vmItem.Value.fromHost;
Helpers.SetOtherConfig(fromHost.Connection.Session, fromHost, WlbOptimizationRecommendation.OPTIMIZINGPOOL, vmItem.Value.recId.ToString());
AsyncAction hostAction = null;
int waitingInterval = 10 * 1000; // default to 10s
if (vmItem.Value.fromHost.IsLive())
{
hostAction = new ShutdownHostAction(fromHost, AddHostToPoolCommand.NtolDialog);
}
else
{
hostAction = new HostPowerOnAction(fromHost);
waitingInterval = 30 * 1000; // wait for 30s
}
hostAction.Completed += HostAction_Completed;
hostAction.RunAsync();
while (!moveToNext)
{
if (!String.IsNullOrEmpty(hostActionError))
{
throw new Exception(hostActionError);
}
else
{
//wait
System.Threading.Thread.Sleep(waitingInterval);
}
}
}
else
{
log.Debug("Migrating VM " + vm.Name());
Host toHost = vmItem.Value.toHost;
try
{
// check if there is a conflict with HA, start optimize if we can
RelocateVmWithHa(this, vm, toHost, start, start + each, vmItem.Value.recId);
}
catch (Failure f)
{
// prompt to user if ha notl can be raised, if yes, continue
long newNtol;
if (RaiseHANotl(vm, f, out newNtol))
{
DelegatedAsyncAction action = new DelegatedAsyncAction(vm.Connection, Messages.HA_LOWERING_NTOL, null, null,
delegate(Session session)
{
// Set new ntol, then retry action
XenAPI.Pool.set_ha_host_failures_to_tolerate(session, this.Pool.opaque_ref, newNtol);
// ntol set succeeded, start new action
Program.MainWindow.CloseActiveWizards(vm);
new VMMigrateAction(vm, toHost).RunAsync();
});
action.RunAsync();
}
else
{
Helpers.SetOtherConfig(this.Session, this.Pool, WlbOptimizationRecommendation.OPTIMIZINGPOOL, Messages.WLB_OPT_FAILED);
this.Description = Messages.WLB_OPT_FAILED;
throw;
}
}
}
start += each;
// stop if user cancels optimize pool
if (Cancelling)
{
throw new CancelledException();
}
}
this.Description = Messages.WLB_OPT_OK_NOTICE_TEXT;
Helpers.SetOtherConfig(this.Session, this.Pool, WlbOptimizationRecommendation.OPTIMIZINGPOOL, optId);
log.Debug("Completed optimizing " + Pool.Name());
}
catch (Failure ex)
{
Helpers.SetOtherConfig(this.Session, this.Pool, WlbOptimizationRecommendation.OPTIMIZINGPOOL, optId);
WlbServerState.SetState(Pool, WlbServerState.ServerState.ConnectionError, ex);
throw;
}
catch (CancelledException)
{
Helpers.SetOtherConfig(this.Session, this.Pool, WlbOptimizationRecommendation.OPTIMIZINGPOOL, optId);
throw;
}
catch (Exception ex)
{
log.Error(ex, ex);
this.Description = Messages.WLB_OPT_FAILED;
Helpers.SetOtherConfig(this.Session, this.Pool, WlbOptimizationRecommendation.OPTIMIZINGPOOL, optId);
log.Debug("Optimizing " + Pool.Name() + " is failed");
}
this.PercentComplete = 100;
}
