mirror of
https://github.com/xcp-ng/xenadmin.git
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7a1b1a6dcc
override in derived classes, enforce it by wrapping the page specific code in a new virtual method, which the derived classes can override and PageLeave can call before its own logic. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
544 lines
22 KiB
C#
544 lines
22 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Reflection;
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using System.Windows.Forms;
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using log4net;
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using XenAdmin.Actions;
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using XenAdmin.Actions.DR;
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using XenAdmin.Commands;
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using XenAdmin.Controls;
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using XenAdmin.Properties;
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using XenAPI;
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namespace XenAdmin.Wizards.DRWizards
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{
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public partial class DRFailoverWizardRecoverPage : XenTabPage
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{
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private static readonly ILog log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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public event Action ReportStarted;
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public event Action<AsyncAction> ReportActionResultGot;
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public event Action<string, int, bool> ReportLineGot;
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public DRFailoverWizardRecoverPage()
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{
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InitializeComponent();
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}
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public override string PageTitle
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{
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get
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{
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switch (WizardType)
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{
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case DRWizardType.Failback:
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return String.Format(Messages.DR_WIZARD_RECOVERPAGE_TITLE_FAILBACK, Connection.Name);
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case DRWizardType.Dryrun:
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return String.Format(Messages.DR_WIZARD_RECOVERPAGE_TITLE_DRYRUN, Connection.Name);
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default:
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return Messages.DR_WIZARD_RECOVERPAGE_TITLE_FAILOVER;
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}
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}
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}
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public override string Text
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{
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get { return Messages.DR_WIZARD_RECOVERPAGE_TEXT; }
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}
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public override string HelpID
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{
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get
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{
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switch (WizardType)
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{
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case DRWizardType.Failback:
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return "Failback_Recover";
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case DRWizardType.Dryrun:
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return "Dryrun_Recover";
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default:
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return "Failover_Recover";
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}
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}
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}
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private static Bitmap animatedImage = Resources.ajax_loader;
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private void onFrameChanged(object sender, EventArgs e)
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{
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try
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{
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ImageAnimator.UpdateFrames();
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Program.BeginInvoke(dataGridView1, () => dataGridView1.InvalidateColumn(1));
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}
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catch (Exception)
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{
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}
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}
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protected override void PageLeaveCore(PageLoadedDirection direction, ref bool cancel)
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{
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ImageAnimator.StopAnimate(animatedImage, onFrameChanged);
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if (direction == PageLoadedDirection.Back)
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{
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actions.Clear();
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}
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}
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public override bool EnableNext()
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{
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SetupLabels();
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return (progressBar1.Value == 100);
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}
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public override bool EnablePrevious()
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{
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return false;
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}
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private void SetupLabels()
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{
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switch (WizardType)
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{
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case DRWizardType.Failback:
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labelTitle.Text = progressBar1.Value == 100
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? String.Format(Messages.DR_WIZARD_RECOVERPAGE_COMPLETE_FAILBACK, Connection.Name)
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: Messages.DR_WIZARD_RECOVERPAGE_IN_PROGRESS_FAILBACK;
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labelContinue.Text = Messages.DR_WIZARD_RECOVERPAGE_CONTINUE_FAILBACK;
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break;
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case DRWizardType.Dryrun:
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labelTitle.Text = progressBar1.Value == 100
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? String.Format(Messages.DR_WIZARD_RECOVERPAGE_COMPLETE_DRYRUN, Connection.Name)
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: Messages.DR_WIZARD_RECOVERPAGE_IN_PROGRESS_DRYRUN;
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labelContinue.Text = Messages.DR_WIZARD_RECOVERPAGE_CONTINUE_DRYRUN;
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break;
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default:
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labelTitle.Text = progressBar1.Value == 100
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? Messages.DR_WIZARD_RECOVERPAGE_COMPLETE_FAILOVER
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: Messages.DR_WIZARD_RECOVERPAGE_IN_PROGRESS_FAILOVER;
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labelContinue.Text = Messages.DR_WIZARD_RECOVERPAGE_CONTINUE_FAILOVER;
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break;
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}
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labelContinue.Visible = progressBar1.Value == 100;
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}
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public DRWizardType WizardType { private get; set; }
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private Dictionary<VDI, List<AsyncAction>> actions = new Dictionary<VDI, List<AsyncAction>>();
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private int objectsToBeRecovered;
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private StartActionAfterRecovery startActionAfterRecovery;
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public StartActionAfterRecovery StartActionAfterRecovery { set { startActionAfterRecovery = value; } }
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public Dictionary<XenRef<VDI>, PoolMetadata> SelectedPoolMetadata { private get; set; }
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public override void PageLoaded(PageLoadedDirection direction)
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{
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base.PageLoaded(direction);
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if (direction == PageLoadedDirection.Back || actions.Count > 0)
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return;
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ImageAnimator.Animate(animatedImage, onFrameChanged);
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if (ReportStarted != null)
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ReportStarted();
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OnPageUpdated();
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dataGridView1.Rows.Clear();
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actions.Clear();
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objectsToBeRecovered = 0;
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// add "recovery" tasks
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foreach (var poolMetadata in SelectedPoolMetadata.Values)
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{
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actions.Add(poolMetadata.Vdi, CreateSubActionsFor(poolMetadata));
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}
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// add a row for "Start VMs and Appliances" task, if required
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if (startActionAfterRecovery != StartActionAfterRecovery.None)
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dataGridView1.Rows.Add(new DataGridViewRowRecover(Messages.ACTION_START_VMS_AND_APPLIANCES_TITLE));
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labelOverallProgress.Text = string.Format(Messages.DR_WIZARD_RECOVERPAGE_OVERALL_PROGRESS, 0, dataGridView1.Rows.Count);
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RecoverNextPool();
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}
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List<AsyncAction> CreateSubActionsFor(PoolMetadata poolMetadata)
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{
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log.DebugFormat("Generating recovery actions from pool {0} (VDI {1})", poolMetadata.Pool.Name(), poolMetadata.Vdi.Name());
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List<AsyncAction> subActions = new List<AsyncAction>();
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VdiOpenDatabaseAction openDatabaseAction = new VdiOpenDatabaseAction(Connection, poolMetadata.Vdi);
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openDatabaseAction.Completed += OpenDatabaseActionCompleted;
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subActions.Add(openDatabaseAction);
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foreach (var vmAppliance in poolMetadata.VmAppliances.Values)
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{
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DrRecoverAction drRecoverAction = new DrRecoverAction(Connection, vmAppliance);
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drRecoverAction.Completed += SingleRecoverActionCompleted;
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drRecoverAction.Changed += SingleRecoverActionChanged;
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subActions.Add(drRecoverAction);
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dataGridView1.Rows.Add(new DataGridViewRowRecover(vmAppliance));
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objectsToBeRecovered++;
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}
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foreach (var vm in poolMetadata.Vms.Values)
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{
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if (vm.appliance.opaque_ref != null && vm.appliance.opaque_ref.StartsWith("OpaqueRef:") && vm.appliance.opaque_ref != "OpaqueRef:NULL")
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{
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//VM included in an appliance
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continue;
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}
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DrRecoverAction drRecoverAction = new DrRecoverAction(Connection, vm);
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drRecoverAction.Completed += SingleRecoverActionCompleted;
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drRecoverAction.Changed += SingleRecoverActionChanged;
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subActions.Add(drRecoverAction);
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dataGridView1.Rows.Add(new DataGridViewRowRecover(vm));
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objectsToBeRecovered++;
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}
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log.DebugFormat("Done - {0} actions generated", subActions.Count);
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return subActions;
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}
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internal List<string> RecoveredVmsUuids = new List<string>();
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internal List<string> RecoveredVmAppliancesUuids = new List<string>();
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private void SingleRecoverActionCompleted(ActionBase sender)
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{
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DrRecoverAction senderAction = (DrRecoverAction)sender;
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senderAction.Completed -= SingleRecoverActionCompleted;
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senderAction.Changed -= SingleRecoverActionChanged;
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objectsToBeRecovered--;
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Program.BeginInvoke(this, () =>
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{
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progressBar1.Value = progressBar1.Value < 100
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? progressBar1.Value + (100 / dataGridView1.Rows.Count)
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: 100;
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var row = FindRow(senderAction.XenObject);
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if (row != null)
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{
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if (senderAction.Succeeded)
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row.UpdateStatus(RecoverState.Recovered, Messages.DR_WIZARD_RECOVERPAGE_STATUS_COMPLETED);
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else
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row.UpdateStatus(RecoverState.Error, Messages.DR_WIZARD_RECOVERPAGE_STATUS_FAILED, senderAction.Exception.Message);
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labelOverallProgress.Text = string.Format(Messages.DR_WIZARD_RECOVERPAGE_OVERALL_PROGRESS,
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row.Index + 1, dataGridView1.Rows.Count);
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}
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});
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if (senderAction.Succeeded)
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{
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if (senderAction.XenObject is VM)
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RecoveredVmsUuids.Add((senderAction.XenObject as VM).uuid);
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else if (senderAction.XenObject is VM_appliance)
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RecoveredVmAppliancesUuids.Add((senderAction.XenObject as VM_appliance).uuid);
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}
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if (ReportActionResultGot != null)
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ReportActionResultGot(senderAction);
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}
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private void SingleRecoverActionChanged(ActionBase sender)
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{
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DrRecoverAction senderAction = (DrRecoverAction)sender;
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if (senderAction.IsCompleted)
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return;
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Program.BeginInvoke(this, () =>
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{
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var row = FindRow(senderAction.XenObject);
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if (row != null && !senderAction.IsCompleted)
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row.UpdateStatus(RecoverState.Recovering, Messages.DR_WIZARD_RECOVERPAGE_STATUS_WORKING, senderAction.Title);
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});
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}
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private MultipleAction multipleRecoverAction;
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private Session metadataSession;
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private void OpenDatabaseActionCompleted(ActionBase sender)
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{
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VdiOpenDatabaseAction senderAction = (VdiOpenDatabaseAction)sender;
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senderAction.Completed -= OpenDatabaseActionCompleted;
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log.DebugFormat("Metadata database open ({0}). Now start recovering", senderAction.Vdi.Name());
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metadataSession = senderAction.MetadataSession;
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if (metadataSession == null)
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return;
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// assign metadata session to all recover actions
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List<AsyncAction> recoverSubActions = new List<AsyncAction>();
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foreach (var action in actions[senderAction.Vdi])
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{
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if (action is DrRecoverAction)
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{
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((DrRecoverAction)action).MetadataSession = metadataSession;
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recoverSubActions.Add(action);
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}
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}
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multipleRecoverAction = new MultipleAction(Connection,
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String.Format(Messages.DR_WIZARD_RECOVERPAGE_RECOVER_FROM, senderAction.Vdi.Name()),
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String.Format(Messages.DR_WIZARD_RECOVERPAGE_RECOVERING_FROM, senderAction.Vdi.Name()),
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Messages.COMPLETED,
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recoverSubActions);
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multipleRecoverAction.Completed += MultipleRecoverActionCompleted;
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multipleRecoverAction.RunAsync();
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}
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private void MultipleRecoverActionCompleted(ActionBase sender)
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{
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MultipleAction senderAction = (MultipleAction)sender;
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senderAction.Completed -= MultipleRecoverActionCompleted;
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log.Debug("Finished recovery. Close metadata database");
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// logout from metadata session
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metadataSession.logout();
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Program.BeginInvoke(this, () =>
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{
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if (objectsToBeRecovered == 0) // finished recovering, now start VMs, if required
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{
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switch (startActionAfterRecovery)
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{
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case StartActionAfterRecovery.Start :
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StartRecoveredVMs(false);
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break;
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case StartActionAfterRecovery.StartPaused:
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StartRecoveredVMs(true);
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break;
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default:
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progressBar1.Value = 100;
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OnPageUpdated();
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if (ReportLineGot != null)
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ReportLineGot(labelTitle.Text, 0, true);
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break;
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}
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}
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else // recover next pool
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RecoverNextPool();
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});
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}
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private void RecoverNextPool()
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{
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foreach (var actionList in actions.Values)
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{
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bool startRecovery = false;
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foreach (var action in actionList)
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{
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VdiOpenDatabaseAction openDatabaseAction = action as VdiOpenDatabaseAction;
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if (openDatabaseAction != null && !openDatabaseAction.IsCompleted)
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{
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startRecovery = true;
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log.DebugFormat("Open metadata database ({0})", openDatabaseAction.Vdi.Name());
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openDatabaseAction.RunAsync();
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break;
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}
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}
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if (startRecovery)
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break; // start recovery of first "unrecovered" pool (unrecovered = !openDatabaseAction.IsCompleted)
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}
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}
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private DataGridViewRowRecover FindRow(IXenObject xenObject)
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{
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foreach (DataGridViewRowRecover row in dataGridView1.Rows)
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{
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if (row.XenObject == xenObject)
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return row;
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}
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throw new Exception("Row not found");
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}
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private void StartRecoveredVMs(bool paused)
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{
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List<VM> vmsToStart = new List<VM>();
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foreach (var uuid in RecoveredVmsUuids)
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{
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foreach (VM vm in Connection.Cache.VMs)
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{
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if (vm.uuid == uuid)
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vmsToStart.Add(vm);
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}
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}
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List<VM_appliance> vmAppliancesToStart = new List<VM_appliance>();
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foreach (var uuid in RecoveredVmAppliancesUuids)
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{
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foreach (VM_appliance vmAppliance in Connection.Cache.VM_appliances)
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{
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if (vmAppliance.uuid == uuid)
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vmAppliancesToStart.Add(vmAppliance);
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}
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}
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var action = new StartVMsAndAppliancesAction(Connection, vmsToStart, vmAppliancesToStart, VMOperationCommand.WarningDialogHAInvalidConfig, VMOperationCommand.StartDiagnosisForm, paused);
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if (action != null)
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{
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action.Completed += StartVMsActionCompleted;
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action.Changed += StartVMsActionChanged;
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action.RunAsync();
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}
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}
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private void StartVMsActionChanged(ActionBase sender)
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{
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StartVMsAndAppliancesAction senderAction = (StartVMsAndAppliancesAction)sender;
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if (senderAction.IsCompleted)
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return;
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Program.BeginInvoke(this, () =>
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{
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var row = dataGridView1.Rows[dataGridView1.RowCount - 1] as DataGridViewRowRecover; //last row is "Start VMs and Appliances" row
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if (row != null && !senderAction.IsCompleted)
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row.UpdateStatus(RecoverState.Recovering, Messages.DR_WIZARD_RECOVERPAGE_STATUS_WORKING, senderAction.Description);
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});
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}
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private void StartVMsActionCompleted(ActionBase sender)
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{
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StartVMsAndAppliancesAction senderAction = (StartVMsAndAppliancesAction)sender;
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senderAction.Completed -= StartVMsActionCompleted;
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senderAction.Changed -= StartVMsActionChanged;
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if (ReportActionResultGot != null)
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ReportActionResultGot(senderAction);
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log.Debug("Finished starting VMs and appliances");
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Program.BeginInvoke(this, () =>
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{
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progressBar1.Value = 100;
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var row = dataGridView1.Rows[dataGridView1.RowCount - 1] as DataGridViewRowRecover; //last row is "Start VMs and Appliances" row
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if (row != null)
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{
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if (senderAction.Succeeded)
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row.UpdateStatus(RecoverState.Recovered, Messages.DR_WIZARD_RECOVERPAGE_STATUS_COMPLETED);
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else
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row.UpdateStatus(RecoverState.Error, Messages.DR_WIZARD_RECOVERPAGE_STATUS_FAILED, senderAction.Exception.Message);
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labelOverallProgress.Text = string.Format(Messages.DR_WIZARD_RECOVERPAGE_OVERALL_PROGRESS,
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row.Index + 1, dataGridView1.Rows.Count);
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}
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OnPageUpdated();
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if (ReportLineGot != null)
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ReportLineGot(labelTitle.Text, 0, true);
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});
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}
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private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
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{
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Program.ViewLogFiles();
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}
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public class DataGridViewRowRecover : DataGridViewRow
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{
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public readonly IXenObject XenObject; // it can be VM or VM_appliance
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private DataGridViewImageCell imageCell = new DataGridViewImageCell();
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private DataGridViewTextBoxCell taskCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell statusCell = new DataGridViewTextBoxCell();
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private DataGridViewRowRecover()
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{
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this.Cells.Add(taskCell);
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this.Cells.Add(imageCell);
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this.Cells.Add(statusCell);
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}
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public DataGridViewRowRecover(IXenObject xenObject)
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: this()
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{
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XenObject = xenObject;
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taskCell.Value = XenObject is VM
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? string.Format(Messages.ACTION_DR_RECOVER_VM_TITLE, XenObject.Name())
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: string.Format(Messages.ACTION_DR_RECOVER_APPLIANCE_TITLE, XenObject.Name());
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UpdateStatus(RecoverState.NotRecovered, Messages.DR_WIZARD_RECOVERPAGE_STATUS_PENDING);
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}
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public DataGridViewRowRecover(string title)
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: this()
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{
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taskCell.Value = title;
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UpdateStatus(RecoverState.NotRecovered, Messages.DR_WIZARD_RECOVERPAGE_STATUS_PENDING);
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}
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public void UpdateStatus(RecoverState state, string value)
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{
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UpdateStatus(state, value, "");
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}
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public void UpdateStatus(RecoverState state, string value, string toolTipText)
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{
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switch (state)
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{
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case RecoverState.Recovered:
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imageCell.Value = Resources._000_Tick_h32bit_16;
|
|
break;
|
|
case RecoverState.Recovering:
|
|
imageCell.Value = animatedImage;
|
|
break;
|
|
case RecoverState.Error:
|
|
imageCell.Value = Resources._000_Abort_h32bit_16;
|
|
break;
|
|
case RecoverState.NotRecovered:
|
|
imageCell.Value = new Bitmap(1, 1);
|
|
break;
|
|
}
|
|
statusCell.Value = value;
|
|
statusCell.ToolTipText = toolTipText;
|
|
}
|
|
}
|
|
|
|
public enum RecoverState
|
|
{
|
|
NotRecovered,
|
|
Recovered,
|
|
Recovering,
|
|
Error
|
|
}
|
|
}
|
|
}
|