public override void PageLeave(PageLoadedDirection direction, ref bool cancel)
{
if (direction == PageLoadedDirection.Back)
return;
Host master = Helpers.GetMaster(Connection);
if (master == null)
{
cancel = true;
return;
}
SrDescriptors = new List<LvmOhbaSrDescriptor>();
var existingSrDescriptors = new List<LvmOhbaSrDescriptor>();
var formatDiskDescriptors = new List<LvmOhbaSrDescriptor>();
foreach (var device in _selectedDevices)
{
LvmOhbaSrDescriptor descr = CreateSrDescriptor(device);
var action = new SrProbeAction(Connection, master, SrType, descr.DeviceConfig);
using (var dlg = new ActionProgressDialog(action, ProgressBarStyle.Marquee))
dlg.ShowDialog(this);
if (!action.Succeeded)
{
cancel = true;
return;
}
descr.UUID = SrWizardHelpers.ExtractUUID(action.Result);
if (!string.IsNullOrEmpty(SrWizardType.UUID))
{
// Check LUN contains correct SR
if (descr.UUID == SrWizardType.UUID)
{
SrDescriptors.Add(descr);
continue;
}
using (var dlog = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Error,
String.Format(Messages.INCORRECT_LUN_FOR_SR, SrWizardType.SrName), Messages.XENCENTER)))
{
dlog.ShowDialog(this);
}
cancel = true;
return;
}
if (string.IsNullOrEmpty(descr.UUID))
{
// No existing SRs were found on this LUN. If allowed to create
// a new SR, ask the user if they want to proceed and format.
if (!SrWizardType.AllowToCreateNewSr)
{
using (var dlog = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Error,
Messages.NEWSR_LUN_HAS_NO_SRS, Messages.XENCENTER)))
{
dlog.ShowDialog(this);
}
cancel = true;
return;
}
if (!Program.RunInAutomatedTestMode)
formatDiskDescriptors.Add(descr);
}
else
{
// CA-17230: Check this isn't a detached SR. If it is then just continue
SR sr = SrWizardHelpers.SrInUse(descr.UUID);
if (sr != null)
{
SrDescriptors.Add(descr);
continue;
}
// We found a SR on this LUN. Will ask user for choice later.
existingSrDescriptors.Add(descr);
}
}
if (!cancel && existingSrDescriptors.Count > 0)
{
var launcher = new LVMoHBAWarningDialogLauncher(this, existingSrDescriptors, true);
launcher.ShowWarnings();
cancel = launcher.Cancelled;
if (!cancel && launcher.SrDescriptors.Count > 0)
SrDescriptors.AddRange(launcher.SrDescriptors);
}
if (!cancel && formatDiskDescriptors.Count > 0)
{
var launcher = new LVMoHBAWarningDialogLauncher(this, formatDiskDescriptors, false);
launcher.ShowWarnings();
cancel = launcher.Cancelled;
if (!cancel && launcher.SrDescriptors.Count > 0)
SrDescriptors.AddRange(launcher.SrDescriptors);
}
base.PageLeave(direction, ref cancel);
}
private void buttonNfsScan_Click(object sender, EventArgs e)
{
NfsScanButton.Enabled = false;
// Perform an SR.probe to see if there is already an SR present
Dictionary<String, String> dconf = new Dictionary<String, String>();
string[] fullpath = NfsServerPathTextBox.Text.Trim().Split(new char[] { ':' });
dconf[SERVER] = fullpath[0];
if (fullpath.Length > 1)
{
dconf[SERVERPATH] = fullpath[1];
}
dconf[OPTIONS] = serverOptionsTextBox.Text;
Host master = Helpers.GetMaster(Connection);
if (master == null)
return;
if (Helpers.DundeeOrGreater(Connection))
dconf[PROBEVERSION] = string.Empty; //this needs to be passed to the API in order to get back the NFS versions supported
// Start probe
SrProbeAction action = new SrProbeAction(Connection, master, SR.SRTypes.nfs, dconf);
ActionProgressDialog dialog = new ActionProgressDialog(action, ProgressBarStyle.Marquee);
dialog.ShowCancel = true;
dialog.ShowDialog(this);
try
{
NfsScanButton.Enabled = true;
if (radioButtonNfsNew.Enabled)
radioButtonNfsNew.Checked = true;
listBoxNfsSRs.Items.Clear();
if (!action.Succeeded)
return;
List<SR.SRInfo> SRs = SR.ParseSRListXML(action.Result);
if (SRs.Count == 0)
{
// Disable box
ToggleReattachControlsEnabledState(false);
listBoxNfsSRs.Items.Add(Messages.NEWSR_NO_SRS_FOUND);
return;
}
// Fill box
foreach(SR.SRInfo info in SRs)
listBoxNfsSRs.Items.Add(info);
listBoxNfsSRs.TryAndSelectUUID();
GetSupportedNfsVersionsAndSetUI(action.Result);
ToggleReattachControlsEnabledState(true);
}
finally
{
UpdateButtons();
}
}
private bool ScanDeviceForSRs(SR.SRTypes type, string deviceId, Dictionary<string, string> dconf)
{
Host master = Helpers.GetMaster(Connection);
if (master == null || dconf == null)
{
return false;
}
Dictionary<string, string> smconf = new Dictionary<string, string>();
smconf[METADATA] = "true";
// Start probe
SrProbeAction srProbeAction = new SrProbeAction(Connection, master, type, dconf, smconf);
new ActionProgressDialog(srProbeAction, ProgressBarStyle.Marquee).ShowDialog(this);
if (!srProbeAction.Succeeded)
return false;
try
{
List<SR.SRInfo> srList = SR.ParseSRListXML(srProbeAction.Result);
List<SR.SRInfo> metadataSrs = srList; //srList.Where(srInfo => srInfo.PoolMetadataDetected).ToList();
if (ScannedDevices.ContainsKey(deviceId))
{
//update SR list
ScannedDevices[deviceId].SRList.Clear();
ScannedDevices[deviceId].SRList.AddRange(metadataSrs);
}
else
{
ScannedDevices.Add(deviceId, new ScannedDeviceInfo(type, dconf, metadataSrs));
}
foreach (SR.SRInfo srInfo in metadataSrs)
{
SrRow row;
if (!FindRowByUuid(srInfo.UUID, out row))
{
row = new SrRow(srInfo, type, srInfo.PoolMetadataDetected,
srInfo.PoolMetadataDetected);
dataGridViewSRs.Rows.Add(row);
ToggleRowChecked(row);
}
}
return true;
}
catch
{
return false;
}
}
private List<SR.SRInfo> ScanDeviceForSRs(SR.SRTypes type, string deviceId, Dictionary<string, string> dconf)
{
Host master = Helpers.GetMaster(Connection);
if (master == null || dconf == null)
return null;
Dictionary<string, string> smconf = new Dictionary<string, string>();
smconf[METADATA] = "true";
// Start probe
SrProbeAction srProbeAction = new SrProbeAction(Connection, master, type, dconf, smconf);
using (var dlg = new ActionProgressDialog(srProbeAction, ProgressBarStyle.Marquee))
dlg.ShowDialog(this);
if (!srProbeAction.Succeeded)
return null;
try
{
var metadataSrs = SR.ParseSRListXML(srProbeAction.Result);
if (ScannedDevices.ContainsKey(deviceId))
{
//update SR list
ScannedDevices[deviceId].SRList.Clear();
ScannedDevices[deviceId].SRList.AddRange(metadataSrs);
}
else
{
ScannedDevices.Add(deviceId, new ScannedDeviceInfo(type, dconf, metadataSrs));
}
return metadataSrs;
}
catch
{
return null;
}
}
/// <summary>
/// Called with the results of an iSCSI SR.probe(), either immediately after the scan, or after the
/// user has performed a scan, clicked 'cancel' on a dialog, and then clicked 'next' again (this
/// avoids duplicate probing if none of the settings have changed).
/// </summary>
/// <returns>
/// Whether to continue or not - wheter to format or not is stored in
/// iScsiFormatLUN.
/// </returns>
private bool ExamineIscsiProbeResults(SrProbeAction action)
{
_srToIntroduce = null;
if (!action.Succeeded)
{
Exception exn = action.Exception;
log.Warn(exn, exn);
Failure failure = exn as Failure;
if (failure != null && failure.ErrorDescription[0] == "SR_BACKEND_FAILURE_140")
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = Messages.INVALID_HOST;
textBoxIscsiHost.Focus();
}
else if (failure != null)
{
errorIconAtHostOrIP.Visible = true;
errorLabelAtHostname.Visible = true;
errorLabelAtHostname.Text = failure.ErrorDescription.Count > 2 ? failure.ErrorDescription[2] : failure.ErrorDescription[0];
textBoxIscsiHost.Focus();
}
return false;
}
try
{
List<SR.SRInfo> SRs = SR.ParseSRListXML(action.Result);
if (!String.IsNullOrEmpty(SrWizardType.UUID))
{
// Check LUN contains correct SR
if (SRs.Count == 1 && SRs[0].UUID == SrWizardType.UUID)
{
_srToIntroduce = SRs[0];
return true;
}
errorIconAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Visible = true;
errorLabelAtTargetLUN.Text = String.Format(Messages.INCORRECT_LUN_FOR_SR, SrWizardType.SrName);
return false;
}
else if (SRs.Count == 0)
{
// No existing SRs were found on this LUN. If allowed to create new SR, ask the user if they want to proceed and format.
if (!SrWizardType.AllowToCreateNewSr)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Error, Messages.NEWSR_LUN_HAS_NO_SRS, Messages.XENCENTER)))
{
dlg.ShowDialog(this);
}
return false;
}
DialogResult result = DialogResult.Yes;
if (!Program.RunInAutomatedTestMode)
{
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.NEWSR_ISCSI_FORMAT_WARNING, this.Text),
ThreeButtonDialog.ButtonYes,
new ThreeButtonDialog.TBDButton(Messages.NO_BUTTON_CAPTION, DialogResult.No, ThreeButtonDialog.ButtonType.CANCEL, true)))
{
result = dlg.ShowDialog(this);
}
}
return result == DialogResult.Yes;
}
else
{
// There should be 0 or 1 SRs on the LUN
System.Diagnostics.Trace.Assert(SRs.Count == 1);
// CA-17230
// Check this isn't a detached SR
SR.SRInfo info = SRs[0];
SR sr = SrWizardHelpers.SrInUse(info.UUID);
if (sr != null)
{
DialogResult res;
using (var d = new ThreeButtonDialog(
new ThreeButtonDialog.Details(null, string.Format(Messages.DETACHED_ISCI_DETECTED, Helpers.GetName(sr.Connection))),
new ThreeButtonDialog.TBDButton(Messages.ATTACH_SR, DialogResult.OK),
ThreeButtonDialog.ButtonCancel))
{
res = d.ShowDialog(Program.MainWindow);
}
if (res == DialogResult.Cancel)
return false;
_srToIntroduce = info;
return true;
}
// An SR exists on this LUN. Ask the user if they want to attach it, format it and
// create a new SR, or cancel.
DialogResult result = Program.RunInAutomatedTestMode ? DialogResult.Yes :
new IscsiChoicesDialog(Connection, info).ShowDialog(this);
switch (result)
{
case DialogResult.Yes:
// Reattach
_srToIntroduce = SRs[0];
return true;
case DialogResult.No:
// Format - SrToIntroduce is already null
return true;
default:
return false;
}
}
}
catch
{
// We really want to prevent the user getting to the next step if there is any kind of
// exception here, since clicking 'finish' might destroy data: require another probe.
return false;
}
}
public override void PageLeave(PageLoadedDirection direction, ref bool cancel)
{
if (direction == PageLoadedDirection.Back)
return;
// For Miami hosts we need to ensure an SR.probe()
// has been performed, and that the user has made a decision. Show the iSCSI choices dialog until
// they click something other than 'Cancel'. For earlier host versions, warn that data loss may
// occur.
Host master = Helpers.GetMaster(Connection);
if (master == null)
{
cancel = true;
return;
}
Dictionary<String, String> dconf = DeviceConfig;
if (dconf == null)
{
cancel = true;
return;
}
// Start probe
SrProbeAction IscsiProbeAction = new SrProbeAction(Connection, master, SR.SRTypes.lvmoiscsi, dconf);
using (var dialog = new ActionProgressDialog(IscsiProbeAction, ProgressBarStyle.Marquee))
{
dialog.ShowCancel = true;
dialog.ShowDialog(this);
}
// Probe has been performed. Now ask the user if they want to Reattach/Format/Cancel.
// Will return false on cancel
cancel = !ExamineIscsiProbeResults(IscsiProbeAction);
iscsiProbeError = cancel;
base.PageLeave(direction, ref cancel);
}
private void buttonCifsScan_Click(object sender, EventArgs e)
{
try
{
CifsScanButton.Enabled = false;
// Perform an SR.probe to see if there is already an SR present
Dictionary<String, String> dconf = new Dictionary<String, String>();
string[] fullpath = CifsServerPathTextBox.Text.Split(new char[] { ':' });
dconf[SERVER] = fullpath[0];
if (fullpath.Length > 1)
{
dconf[SERVERPATH] = fullpath[1];
}
if (userNameTextBox.Text.Trim().Length > 0 || passwordTextBox.Text.Trim().Length > 0)
{
dconf["username"] = userNameTextBox.Text;
dconf["password"] = passwordTextBox.Text;
}
Host master = Helpers.GetMaster(Connection);
if (master == null)
return;
// Start probe
SrProbeAction action = new SrProbeAction(Connection, master, SR.SRTypes.smb, dconf);
using (var dialog = new ActionProgressDialog(action, ProgressBarStyle.Marquee))
{
dialog.ShowCancel = true;
dialog.ShowDialog(this);
}
if (radioButtonCifsNew.Enabled)
radioButtonCifsNew.Checked = true;
listBoxCifsSRs.Items.Clear();
if (!action.Succeeded)
return;
List<SR.SRInfo> SRs = SR.ParseSRListXML(action.Result);
if (SRs.Count == 0)
{
// Disable box
ToggleReattachControlsEnabledState(false);
listBoxCifsSRs.Items.Add(Messages.NEWSR_NO_SRS_FOUND);
return;
}
// Fill box
foreach(SR.SRInfo info in SRs)
listBoxCifsSRs.Items.Add(info);
listBoxCifsSRs.TryAndSelectUUID();
ToggleReattachControlsEnabledState(true);
}
finally
{
UpdateButtons();
}
}