/// <summary>
/// Called when the user clicks one of the restart priorities in the context menu.
/// </summary>
private void priority_Click(object sender, EventArgs e)
{
var menuitem = (ToolStripMenuItem)sender;
VM.HA_Restart_Priority pri = (VM.HA_Restart_Priority)menuitem.Tag;
bool changesMade = false;
foreach (var row in dataGridViewVms.SelectedRows.Cast <VmWithSettingsRow>())
{
if (row.RestartPriority != pri)
{
changesMade = true;
row.UpdateRestartPriority(pri);
}
}
if (changesMade)
{
ChangesMade = true;
haNtolIndicator.Settings = getCurrentSettings();
// Will trigger a ntol update under this revised plan
updateButtons();
}
}
/// <summary>
/// Must be a VM.
/// </summary>
public void SetXenObjects(IXenObject orig, IXenObject clone)
{
// This should only ever be set once
System.Diagnostics.Trace.Assert(vm == null);
vm = (VM)clone;
origRestartPriority = vm.HARestartPriority();
SelectedPriority = origRestartPriority;
origOrder = vm.order;
origStartDelay = vm.start_delay;
Repopulate();
haNtolIndicator.Connection = vm.Connection;
haNtolIndicator.Settings = Helpers.GetVmHaRestartPriorities(vm.Connection, Properties.Settings.Default.ShowHiddenVMs);
haNtolIndicator.UpdateInProgressChanged += new EventHandler(haNtolIndicator_UpdateInProgressChanged);
// Put property changed listener on pool, disable edits if HA becomes disabled
pool = Helpers.GetPoolOfOne(vm.Connection);
if (pool != null)
{
pool.PropertyChanged += pool_PropertyChanged;
}
origNtol = pool.ha_host_failures_to_tolerate;
// Put property changed listener on all hosts to listen for changes in their Host_metrics
foreach (Host host in vm.Connection.Cache.Hosts)
{
host.PropertyChanged += host_PropertyChanged;
// Remember the host so we can deregister the listener later
hosts.Add(host);
// Also register on the current metrics object - we need to know if a host goes down
Host_metrics metrics = vm.Connection.Resolve(host.metrics);
if (metrics != null)
{
metrics.PropertyChanged += metrics_PropertyChanged;
// Remember the metrics object so we can deregister the listener later
hostMetrics.Add(metrics);
}
}
// Listen for new hosts so that we can add metrics listeners
vm.Connection.Cache.RegisterCollectionChanged <Host>(Host_CollectionChangedWithInvoke);
// Start thread to determine if VM is agile
ToggleScanningVmAgile(true);
Thread t = new Thread(UpdateVMAgility);
t.Name = "Updater for VM agility for " + Helpers.GetName(vm);
t.IsBackground = true;
t.Priority = ThreadPriority.Highest;
t.Start();
}
public void SetXenObjects(IXenObject orig, IXenObject clone)
{
Trace.Assert(clone is VM); // only VMs should show this page
Trace.Assert(!Helpers.FeatureForbidden(clone, Host.RestrictGpu)); // If license insufficient, we show upsell page instead
vm = (VM)clone;
SelectedPriority = vm.HARestartPriority;
if (Connection == null) // on the PropertiesDialog
{
Connection = vm.Connection;
}
PopulatePage();
}
private void comboBoxRestartPriority_SelectedIndexChanged(object sender, EventArgs e)
{
if (vm == null)
{
return;
}
VM.HA_Restart_Priority priority = SelectedPriority;
comboLabel.Text = Helpers.RestartPriorityDescription(priority);
Dictionary <VM, VM.HA_Restart_Priority> settings = Helpers.GetVmHaRestartPriorities(vm.Connection, Properties.Settings.Default.ShowHiddenVMs);
// Supplement with the changed setting
settings[vm] = priority;
// This will trigger an update in the ntol indicator.
haNtolIndicator.Settings = settings;
}
/// <summary>
/// Called after we determine if the selected VM is agile or not. Fills the combo box with the correct PriorityWrappers.
/// </summary>
private void RefillPrioritiesComboBox()
{
Program.AssertOnEventThread();
m_comboBoxProtectionLevel.Items.Clear();
ToggleScanningVmAgile(false);
List <VM.HA_Restart_Priority> restartPriorities = VM.GetAvailableRestartPriorities(vm.Connection);
foreach (var restartPriority in restartPriorities)
{
// add "restart" priorities only is vm is agile
if (VM.HaPriorityIsRestart(vm.Connection, restartPriority) && !vmIsAgile)
{
continue;
}
m_comboBoxProtectionLevel.Items.Add(new PriorityWrapper(restartPriority));
}
// Select appropriate entry in combo box
bool found = false;
VM.HA_Restart_Priority pri = vm.HARestartPriority;
foreach (PriorityWrapper w in m_comboBoxProtectionLevel.Items)
{
if (w.Priority == pri)
{
found = true;
m_comboBoxProtectionLevel.SelectedItem = w;
break;
}
}
if (!found)
{
// Someone might have set a High/Medium/Low restart priority for a non-agile VM through the CLI,
// even though this is not possible through the GUI. Hence we need to add that priority to the
// combo box just to prevent things screwing up.
m_comboBoxProtectionLevel.Items.Insert(0, new PriorityWrapper(pri));
m_comboBoxProtectionLevel.SelectedIndex = 0;
}
}
public PriorityWrapper(VM.HA_Restart_Priority priority)
{
this.Priority = priority;
}
private void updateButtons()
{
Program.AssertOnEventThread();
var selectedRows = dataGridViewVms.SelectedRows.Cast <VmWithSettingsRow>().ToList();
if (dataGridViewVms.SelectedRows.Count == 0)
{
m_dropDownButtonRestartPriority.Enabled = false;
m_dropDownButtonRestartPriority.Text = "";
nudOrder.Enabled = nudStartDelay.Enabled = false;
nudOrder.Text = nudStartDelay.Text = "";
return;
}
// if there is a VM with null priority in the selection disable all buttons. We are waiting on the background thread
// to see if the VM is agile before giving it a starting value
if (selectedRows.Any(r => r.RestartPriority == null))
{
m_dropDownButtonRestartPriority.Enabled = true;
m_dropDownButtonRestartPriority.Text = "";
nudOrder.Enabled = nudStartDelay.Enabled = true;
nudOrder.Text = nudStartDelay.Text = "";
return;
}
m_dropDownButtonRestartPriority.Enabled = true;
//now set the drop down button text
bool allSamePriority = false;
foreach (ToolStripMenuItem item in contextMenuStrip.Items)
{
VM.HA_Restart_Priority itemRestartPriority = (VM.HA_Restart_Priority)item.Tag;
if (selectedRows.All(r => r.RestartPriority == itemRestartPriority))
{
allSamePriority = true;
m_dropDownButtonRestartPriority.Text = Helpers.RestartPriorityI18n(itemRestartPriority);
break;
}
}
if (!allSamePriority && dataGridViewVms.SelectedRows.Count > 1)
{
m_dropDownButtonRestartPriority.Text = Messages.HA_ASSIGN_PRIORITIES_MIXED_PROTECTION_LEVELS;
}
// set the order and delay NUDs
nudOrder.Enabled = nudStartDelay.Enabled = true;
var orderDistList = (from row in selectedRows select row.StartOrder).Distinct().ToList();
nudOrder.Text = orderDistList.Count == 1 ? orderDistList.ElementAt(0).ToString() : "";
var delayDistList = (from row in selectedRows select row.StartDelay).Distinct().ToList();
nudStartDelay.Text = delayDistList.Count == 1 ? delayDistList.ElementAt(0).ToString() : "";
// check that all the VMs selected in the list are agile and make sure the protect button is disabled with the relevant reason
VmWithSettingsRow nonAgileRow = selectedRows.FirstOrDefault(r => !r.IsAgile);
// Now set the buttons and tooltips)
foreach (ToolStripMenuItem menuItem in contextMenuStrip.Items)
{
var priority = (VM.HA_Restart_Priority)menuItem.Tag;
if (VM.HaPriorityIsRestart(connection, priority))
{
menuItem.Enabled = (nonAgileRow == null);
menuItem.ToolTipText = (nonAgileRow == null)
? ""
: nonAgileRow.FriendlyNonAgileReason;
}
else
{
menuItem.Enabled = true;
}
}
}
public PriorityWrapper(VM.HA_Restart_Priority priority)
{
this.Priority = priority;
}
/// <summary>
/// Must be a VM.
/// </summary>
public void SetXenObjects(IXenObject orig, IXenObject clone)
{
// This should only ever be set once
System.Diagnostics.Trace.Assert(vm == null);
vm = (VM)clone;
origRestartPriority = vm.HARestartPriority;
origOrder = vm.order;
origStartDelay = vm.start_delay;
Repopulate();
haNtolIndicator.Connection = vm.Connection;
haNtolIndicator.Settings = Helpers.GetVmHaRestartPriorities(vm.Connection, Properties.Settings.Default.ShowHiddenVMs);
haNtolIndicator.UpdateInProgressChanged += new EventHandler(haNtolIndicator_UpdateInProgressChanged);
// Put property changed listener on pool, disable edits if HA becomes disabled
pool = Helpers.GetPoolOfOne(vm.Connection);
if (pool != null)
{
pool.PropertyChanged += pool_PropertyChanged;
}
origNtol = pool.ha_host_failures_to_tolerate;
// Put property changed listener on all hosts to listen for changes in their Host_metrics
foreach (Host host in vm.Connection.Cache.Hosts)
{
host.PropertyChanged += host_PropertyChanged;
// Remember the host so we can deregister the listener later
hosts.Add(host);
// Also register on the current metrics object - we need to know if a host goes down
Host_metrics metrics = vm.Connection.Resolve(host.metrics);
if (metrics != null)
{
metrics.PropertyChanged += metrics_PropertyChanged;
// Remember the metrics object so we can deregister the listener later
hostMetrics.Add(metrics);
}
}
// Listen for new hosts so that we can add metrics listeners
vm.Connection.Cache.RegisterCollectionChanged<Host>(Host_CollectionChangedWithInvoke);
// Start thread to determine if VM is agile
ToggleScanningVmAgile(true);
Thread t = new Thread(UpdateVMAgility);
t.Name = "Updater for VM agility for " + Helpers.GetName(vm);
t.IsBackground = true;
t.Priority = ThreadPriority.Highest;
t.Start();
}
public void SetXenObjects(IXenObject orig, IXenObject clone)
{
Trace.Assert(clone is VM); // only VMs should show this page
Trace.Assert(Helpers.BostonOrGreater(clone.Connection)); // If not Boston or greater, we shouldn't see this page
Trace.Assert(!Helpers.FeatureForbidden(clone, Host.RestrictGpu)); // If license insufficient, we show upsell page instead
vm = (VM)clone;
SelectedPriority = vm.HARestartPriority;
if (Connection == null) // on the PropertiesDialog
Connection = vm.Connection;
PopulatePage();
}
