xenadmin/XenAdmin/Wizards/PatchingWizard/AutomatedUpdatesBasePage.cs
Danilo Del Busso 60cd8b9f88
CP-39929: Fix incorrect timestamp shown in RPU/Update wizards
Also:
- Use new date format for logs
- Specify option parameter names
- Do not show timestamp for host name log
- Do not show timestamp for null/whitespace only lines

Signed-off-by: Danilo Del Busso <Danilo.Del.Busso@citrix.com>
2022-08-15 15:57:55 +01:00

718 lines
30 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using XenAdmin.Controls;
using XenAdmin.Wizards.PatchingWizard.PlanActions;
using XenAPI;
using System.Linq;
using XenAdmin.Core;
using System.Text;
using System.Windows.Forms;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Dialogs;
using XenAdmin.Wizards.RollingUpgradeWizard.PlanActions;
namespace XenAdmin.Wizards.PatchingWizard
{
public enum Status { NotStarted, Started, Cancelled, Completed }
public abstract partial class AutomatedUpdatesBasePage : XenTabPage
{
private List<UpdateProgressBackgroundWorker> _backgroundWorkers = new List<UpdateProgressBackgroundWorker>();
private List<UpdateProgressBackgroundWorker> _failedWorkers = new List<UpdateProgressBackgroundWorker>();
private readonly List<HostUpdateMapping> _patchMappings = new List<HostUpdateMapping>();
private bool _userMovedVerticalScrollbar;
private bool _cancelEnabled;
protected static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod()?.DeclaringType);
protected List<string> HostsThatWillRequireReboot = new List<string>();
protected Dictionary<string, List<string>> LivePatchAttempts = new Dictionary<string, List<string>>();
protected bool ThisPageIsCompleted;
protected bool IsSuccess => ThisPageIsCompleted && !_failedWorkers.Any();
public Dictionary<XenServerPatch, string> AllDownloadedPatches { get; } = new Dictionary<XenServerPatch, string>();
public List<Problem> PrecheckProblemsActuallyResolved { private get; set; }
public List<Pool> SelectedPools { private get; set; }
public Status Status { get; private set; }
protected AutomatedUpdatesBasePage()
{
InitializeComponent();
panel1.Visible = false;
}
#region XenTabPage overrides
public override bool EnablePrevious()
{
return false;
}
public override bool EnableNext()
{
return ThisPageIsCompleted;
}
public override bool EnableCancel()
{
return _cancelEnabled;
}
public override void PageCancelled(ref bool cancel)
{
if (ThisPageIsCompleted)
return;
using (var dialog = new WarningDialog(ReconsiderCancellationMessage(),
ThreeButtonDialog.ButtonYes, ThreeButtonDialog.ButtonNo)
{ WindowTitle = Text })
{
if (dialog.ShowDialog(this) != DialogResult.Yes)
{
cancel = true;
return;
}
}
Status = Status.Cancelled;
_backgroundWorkers.ForEach(bgw => bgw.CancelAsync());
}
protected override void PageLoadedCore(PageLoadedDirection direction)
{
if (ThisPageIsCompleted)
return;
panel1.Visible = false;
Status = Status.NotStarted;
labelTitle.Text = BlurbText();
if (!StartUpgradeWorkers())
{
Status = Status.Completed;
ThisPageIsCompleted = true;
UpdateStatusOnCompletion();
UpdateStatus();
OnPageUpdated();
}
else
{
Status = Status.Started;
}
}
#endregion
#region Virtual members
protected abstract string BlurbText();
protected abstract string SuccessMessageOnCompletion(bool multiplePools);
protected abstract string FailureMessageOnCompletion(bool multiplePools);
protected abstract string WarningMessageOnCompletion(bool multiplePools);
protected abstract string SuccessMessagePerPool(Pool pool);
protected abstract string FailureMessagePerPool(bool multipleErrors);
protected abstract string WarningMessagePerPool(Pool pool);
protected abstract string UserCancellationMessage();
protected abstract string ReconsiderCancellationMessage();
protected abstract List<HostPlan> GenerateHostPlans(Pool pool, out List<Host> applicableHosts);
protected virtual bool SkipInitialPlanActions(Host host)
{
return false;
}
protected virtual void DoAfterInitialPlanActions(UpdateProgressBackgroundWorker bgw, Host host, List<Host> hosts) { }
#endregion
#region Backround workers
private bool StartUpgradeWorkers()
{
//reset the background workers
_backgroundWorkers = new List<UpdateProgressBackgroundWorker>();
_failedWorkers = new List<UpdateProgressBackgroundWorker>();
var atLeastOneWorkerStarted = false;
foreach (var pool in SelectedPools)
{
var planActions = GenerateHostPlans(pool, out _);
var finalActions = new List<PlanAction>();
if (PrecheckProblemsActuallyResolved != null)
{
//add a revert pre-check action for this pool
var curPool = pool;
var problemsToRevert = PrecheckProblemsActuallyResolved.Where(a =>
a.SolutionAction != null && Helpers.GetPoolOfOne(a.SolutionAction.Connection).Equals(curPool)).ToList();
if (problemsToRevert.Count > 0)
finalActions.Add(new UnwindProblemsAction(problemsToRevert, pool.Connection));
}
if (planActions.Count > 0)
{
atLeastOneWorkerStarted = true;
StartNewWorker(pool, planActions, finalActions);
}
}
return atLeastOneWorkerStarted;
}
private void StartNewWorker(Pool pool, List<HostPlan> planActions, List<PlanAction> finalActions)
{
var bgw = new UpdateProgressBackgroundWorker(pool, planActions, finalActions)
{
WorkerReportsProgress = true,
WorkerSupportsCancellation = true
};
bgw.DoWork += WorkerDoWork;
bgw.ProgressChanged += WorkerProgressChanged;
bgw.RunWorkerCompleted += WorkerCompleted;
_backgroundWorkers.Add(bgw);
bgw.RunWorkerAsync();
}
private void WorkerProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (!(sender is UpdateProgressBackgroundWorker bgw))
return;
if (bgw.CancellationPending)
return;
if (e.UserState is PlanAction action)
{
if (!action.IsComplete)
{
if (!bgw.InProgressActions.Contains(action))
bgw.InProgressActions.Add(action);
}
else
{
if (!bgw.DoneActions.Contains(action))
bgw.DoneActions.Add(action);
bgw.InProgressActions.Remove(action);
if (action.Error == null)
{
// remove the successful action from the cleanup actions (we are running the cleanup actions in case of failures or if the user cancelled the process, but we shouldn't re-run the actions that have already been run)
bgw.CleanupActions.Remove(action);
}
else
{
if (!_failedWorkers.Contains(bgw))
_failedWorkers.Add(bgw);
}
}
}
UpdateStatus();
}
private void UpdateStatus()
{
var newVal = _backgroundWorkers.Count > 0
? _backgroundWorkers.Sum(b => b.PercentComplete) / _backgroundWorkers.Count
: 100;
if (newVal < 0)
newVal = 0;
else if (newVal > 100)
newVal = 100;
progressBar.Value = (int)newVal;
var stringBuilder = new StringBuilder();
var addTimestamp = Properties.Settings.Default.ShowTimestampsInUpdatesLog;
foreach (var bgw in _backgroundWorkers)
{
var bgwErrorCount = 0;
var bgwCancellationCount = 0;
var sb = new StringBuilder();
var errorSb = new StringBuilder();
if (!string.IsNullOrEmpty(bgw.Name))
sb.AppendLine($"{bgw.Name}:");
foreach (var pa in bgw.DoneActions)
{
pa.ProgressHistory.ForEach(step => sb.AppendFormattedLine(value: step.Description, timestamp: step.Timestamp, showTimestamp: addTimestamp ,indent: true));
if (pa.Error == null)
continue;
if (pa.Error is CancelledException)
{
bgwCancellationCount++;
continue;
}
errorSb.AppendFormattedLine(pa.Error.InnerException is Failure innerEx ? innerEx.Message : pa.Error.Message , timestamp: pa.Timestamp, showTimestamp: addTimestamp, indent: true);
if (pa.IsSkippable)
{
Debug.Assert(!string.IsNullOrEmpty(pa.Title));
errorSb.AppendFormattedLine(string.Format(Messages.RPU_WIZARD_ERROR_SKIP_MSG, pa.Title), timestamp : pa.Timestamp, showTimestamp: addTimestamp, indent: true, addExtraLine: true);
}
bgwErrorCount++;
}
foreach (var pa in bgw.InProgressActions)
{
pa.ProgressHistory.ForEach(step => sb.AppendFormattedLine(value: step.Description, timestamp: step.Timestamp, showTimestamp: addTimestamp, indent: true));
}
sb.AppendLine();
if (bgwCancellationCount > 0)
{
sb.AppendFormattedLine(UserCancellationMessage(), timestamp: DateTime.Now, showTimestamp: addTimestamp, indent: true);
}
else if (bgwErrorCount > 0)
{
sb.AppendFormattedLine(FailureMessagePerPool(bgwErrorCount > 1), timestamp: DateTime.Now, showTimestamp: addTimestamp, indent: true);
// we don't add formatting since errorSb has its own
sb.Append(errorSb);
}
else if (!bgw.IsBusy)
{
sb.AppendFormattedLine(WarningMessagePerPool(bgw.Pool) ?? SuccessMessagePerPool(bgw.Pool), DateTime.Now, showTimestamp: addTimestamp, indent: true);
}
sb.AppendLine();
stringBuilder.Append(sb);
}
var newText = stringBuilder.ToString();
if (!_userMovedVerticalScrollbar)
{
textBoxLog.Text = newText;
textBoxLog.SelectionStart = textBoxLog.Text.Length;
textBoxLog.ScrollToCaret();
}
else
{
textBoxLog.SetTextWithoutScrolling(newText);
}
}
private void WorkerDoWork(object sender, DoWorkEventArgs doWorkEventArgs)
{
if (!(sender is UpdateProgressBackgroundWorker bgw))
return;
PlanAction action = null;
try
{
foreach (var hp in bgw.HostPlans)
{
var host = hp.Host;
// Step 1: InitialPlanActions (e.g. upgrade the host in the RPU case)
bgw.ProgressIncrement = bgw.InitialActionsIncrement(hp);
if (!SkipInitialPlanActions(host))
{
var initialActions = hp.InitialPlanActions;
foreach (var a in initialActions)
{
action = a;
bgw.RunPlanAction(action, ref doWorkEventArgs);
}
}
DoAfterInitialPlanActions(bgw, host, bgw.HostPlans.Select(h => h.Host).ToList());
// Step 2: UpdatesPlanActions (priority update action)
bgw.ProgressIncrement = bgw.UpdatesActionsIncrement(hp);
var planActions = hp.UpdatesPlanActions;
foreach (var a in planActions)
{
action = a;
bgw.RunPlanAction(action, ref doWorkEventArgs);
}
// Step 3: Rearrange DelayedActions
var suppPackPlanAction = (RpuUploadAndApplySuppPackPlanAction)planActions.FirstOrDefault(pa => pa is RpuUploadAndApplySuppPackPlanAction);
if (suppPackPlanAction != null)
{
foreach (var dpa in suppPackPlanAction.DelayedPlanActions)
{
if (!hp.DelayedPlanActions.Exists(a => a.GetType() == dpa.GetType()))
hp.DelayedPlanActions.Add(dpa);
}
}
var restartHostPlanAction = (RestartHostPlanAction)hp.DelayedPlanActions.FirstOrDefault(a => a is RestartHostPlanAction);
if (restartHostPlanAction != null && !restartHostPlanAction.SkipRestartHost(host))
{
hp.DelayedPlanActions.RemoveAll(a => a is RestartAgentPlanAction);
}
// Step 4: DelayedActions
bgw.ProgressIncrement = bgw.DelayedActionsIncrement(hp);
// running delayed actions
var delayedActions = hp.DelayedPlanActions;
var restartActions = delayedActions.Where(a => a is RestartHostPlanAction).ToList();
foreach (var a in restartActions)
{
action = a;
bgw.RunPlanAction(action, ref doWorkEventArgs);
}
var otherActions = delayedActions.Where(a => !(a is RestartHostPlanAction)).ToList();
foreach (var a in otherActions)
{
action = a;
bgw.RunPlanAction(action, ref doWorkEventArgs);
}
}
// Step 5: FinalActions (eg. revert pre-checks)
bgw.ProgressIncrement = bgw.FinalActionsIncrement;
foreach (var a in bgw.FinalActions)
{
action = a;
bgw.RunPlanAction(action, ref doWorkEventArgs);
}
}
catch (Exception e)
{
if (action != null)
{
if (action.Error == null)
action.Error = new Exception(Messages.ERROR_UNKNOWN);
log.Error($"Failed to carry out plan {action.CurrentProgressStep}.", e);
doWorkEventArgs.Result = new Exception(action.CurrentProgressStep, e);
}
}
}
private void WorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Cancelled)
{
Status = Status.Cancelled;
panel1.Visible = true;
labelError.Text = UserCancellationMessage();
pictureBox1.Image = Images.StaticImages.cancelled_action_16;
buttonRetry.Visible = buttonSkip.Visible = false;
ThisPageIsCompleted = true;
_cancelEnabled = false;
}
else
{
var someWorkersCancelled = false;
if (sender is UpdateProgressBackgroundWorker bgw)
{
var workerSucceeded = true;
var failedAction = bgw.DoneActions.FirstOrDefault(a => a.Error != null && !(a.Error is CancelledException));
if (failedAction != null)
{
workerSucceeded = false;
if (failedAction.IsSkippable)
{
Debug.Assert(!string.IsNullOrEmpty(failedAction.Title));
bgw.FirstFailedSkippableAction = failedAction;
}
}
if (bgw.DoneActions.Any(a => a.Error is CancelledException))
{
workerSucceeded = false;
someWorkersCancelled = true;
}
if (workerSucceeded)
bgw.PercentComplete = 100;
}
//if all finished
if (_backgroundWorkers.All(w => !w.IsBusy))
UpdateStatusOnCompletion(someWorkersCancelled);
}
UpdateStatus();
OnPageUpdated();
}
private void UpdateStatusOnCompletion(bool someWorkersCancelled = false)
{
Status = Status.Completed;
panel1.Visible = true;
if (_failedWorkers.Any())
{
labelError.Text = FailureMessageOnCompletion(_backgroundWorkers.Count > 1);
pictureBox1.Image = Images.StaticImages._000_error_h32bit_16;
buttonRetry.Visible = true;
buttonSkip.Visible = _failedWorkers.Any(w => w.FirstFailedSkippableAction != null);
}
else if (someWorkersCancelled)
{
labelError.Text = UserCancellationMessage();
pictureBox1.Image = Images.StaticImages.cancelled_action_16;
buttonRetry.Visible = buttonSkip.Visible = false;
}
else if (_backgroundWorkers.Any(w => WarningMessagePerPool(w.Pool) != null))
{
labelError.Text = WarningMessageOnCompletion(_backgroundWorkers.Count > 1);
pictureBox1.Image = Images.StaticImages._000_Alert2_h32bit_16;
buttonRetry.Visible = buttonSkip.Visible = false;
}
else
{
labelError.Text = SuccessMessageOnCompletion(_backgroundWorkers.Count > 1);
pictureBox1.Image = Images.StaticImages._000_Tick_h32bit_16;
buttonRetry.Visible = buttonSkip.Visible = false;
}
ThisPageIsCompleted = true;
_cancelEnabled = false;
}
#endregion
private void RetryFailedActions()
{
panel1.Visible = false;
_failedWorkers.ForEach(bgw => bgw.FirstFailedSkippableAction = null);
var workers = new List<UpdateProgressBackgroundWorker>(_failedWorkers);
_failedWorkers.Clear();
foreach (var failedWorker in workers)
{
failedWorker.RunWorkerAsync();
}
ThisPageIsCompleted = false;
_cancelEnabled = true;
OnPageUpdated();
}
private void SkipFailedActions()
{
var skippableWorkers = _failedWorkers.Where(w => w.FirstFailedSkippableAction != null).ToList();
var msg = string.Join(Environment.NewLine, skippableWorkers.Select(w => w.FirstFailedSkippableAction.Title));
using (var dlg = new WarningDialog(string.Format(skippableWorkers.Count > 1 ? Messages.MESSAGEBOX_SKIP_RPU_STEPS : Messages.MESSAGEBOX_SKIP_RPU_STEP, msg),
ThreeButtonDialog.ButtonYes, ThreeButtonDialog.ButtonNo)
{ WindowTitle = ParentForm != null ? ParentForm.Text : BrandManager.BrandConsole })
{
if (dlg.ShowDialog(this) != DialogResult.Yes)
return;
}
panel1.Visible = false;
foreach (var worker in skippableWorkers)
{
_failedWorkers.Remove(worker);
worker.RunWorkerAsync();
}
ThisPageIsCompleted = false;
_cancelEnabled = true;
OnPageUpdated();
}
#region Event handlers
private void buttonRetry_Click(object sender, EventArgs e)
{
RetryFailedActions();
}
private void buttonSkip_Click(object sender, EventArgs e)
{
SkipFailedActions();
}
private void TextBoxLog_OnScrollChange(int _, Orientation orientation)
{
if (orientation == Orientation.Vertical)
{
// if the user scrolls all the way to the bottom, we reset the status
_userMovedVerticalScrollbar = !textBoxLog.IsVerticalScrollBarAtBottom;
}
}
#endregion
protected HostPlan GetUpdatePlanActionsForHost(Host host, List<Host> hosts, List<XenServerPatch> minimalPatches,
List<XenServerPatch> uploadedPatches, KeyValuePair<XenServerPatch, string> patchFromDisk, bool repatriateVms = true)
{
var patchSequence = Updates.GetPatchSequenceForHost(host, minimalPatches);
if (patchSequence == null)
return new HostPlan(host, null, null, null);
var planActionsPerHost = new List<PlanAction>();
var delayedActionsPerHost = new List<PlanAction>();
foreach (var patch in patchSequence)
{
// if the patchSequence contains a patch that requires a host reboot (excluding livepatches), then add the Evacuate action as the first action in the sequence
if (patch.after_apply_guidance == after_apply_guidance.restartHost
&& !patch.ContainsLivepatch
&& (planActionsPerHost.Count == 0 || !(planActionsPerHost[0] is EvacuateHostPlanAction)))
{
planActionsPerHost.Insert(0, new EvacuateHostPlanAction(host));
}
if (!uploadedPatches.Contains(patch))
{
planActionsPerHost.Add(new DownloadPatchPlanAction(host.Connection, patch, AllDownloadedPatches, patchFromDisk));
planActionsPerHost.Add(new UploadPatchToCoordinatorPlanAction(this, host.Connection, patch, _patchMappings, AllDownloadedPatches, patchFromDisk, true));
uploadedPatches.Add(patch);
}
planActionsPerHost.Add(new PatchPrecheckOnHostPlanAction(host.Connection, patch, host, _patchMappings, HostsThatWillRequireReboot, LivePatchAttempts));
planActionsPerHost.Add(new ApplyXenServerPatchPlanAction(host, patch, _patchMappings));
var action = GetAfterApplyGuidanceAction(host, patch.after_apply_guidance);
if (action != null)
{
if (patch.GuidanceMandatory)
{
// if this update requires a mandatory toolstack restart and there is a pending host reboot in the delayed actions,
// then the pending reboot should be carried out instead
if (patch.after_apply_guidance == after_apply_guidance.restartXAPI && delayedActionsPerHost.Any(a => a is RestartHostPlanAction))
{
// replace the action with a host reboot action which will fall back to a toolstack restart if the reboot is not needed because the live patching succedeed
action = new RestartHostPlanAction(host, host.GetRunningVMs(), true, true, HostsThatWillRequireReboot);
}
planActionsPerHost.Add(action);
// remove all delayed actions of the same kind that has already been added
// (because this action is guidance-mandatory=true, therefore
// it will run immediately, making delayed ones obsolete)
delayedActionsPerHost.RemoveAll(a => action.GetType() == a.GetType());
}
else
{
// add the action if it's not already in the list
if (delayedActionsPerHost.All(a => a.GetType() != action.GetType()))
delayedActionsPerHost.Add(action);
}
}
var isLastHostInPool = hosts.IndexOf(host) == hosts.Count - 1;
if (isLastHostInPool)
{
// add cleanup action for current patch at the end of the update sequence for the last host in the pool
var coordinator = Helpers.GetCoordinator(host.Connection);
planActionsPerHost.Add(new RemoveUpdateFileFromCoordinatorPlanAction(coordinator, _patchMappings, patch));
}
}
if (repatriateVms)
{
var lastRestart = delayedActionsPerHost.FindLast(a => a is RestartHostPlanAction)
?? planActionsPerHost.FindLast(a => a is RestartHostPlanAction);
if (lastRestart != null)
((RestartHostPlanAction)lastRestart).EnableOnly = false;
}
return new HostPlan(host, null, planActionsPerHost, delayedActionsPerHost);
}
private PlanAction GetAfterApplyGuidanceAction(Host host, after_apply_guidance guidance)
{
switch (guidance)
{
case after_apply_guidance.restartHost:
return new RestartHostPlanAction(host, host.GetRunningVMs(), true, false, HostsThatWillRequireReboot);
case after_apply_guidance.restartXAPI:
return new RestartAgentPlanAction(host);
case after_apply_guidance.restartHVM:
return new RebootVMsPlanAction(host, host.GetRunningHvmVMs());
case after_apply_guidance.restartPV:
return new RebootVMsPlanAction(host, host.GetRunningPvVMs());
default:
return null;
}
}
protected string LivePatchWarningMessagePerPool(Pool pool)
{
var sb = new StringBuilder();
var poolHosts = pool.Connection.Cache.Hosts.ToList();
var livePatchingFailedHosts = new List<Host>();
foreach (var host in poolHosts)
{
if (LivePatchAttempts.ContainsKey(host.uuid) && host.updates_requiring_reboot != null && host.updates_requiring_reboot.Count > 0)
{
foreach (var updateUuid in LivePatchAttempts[host.uuid])
{
if (host.updates_requiring_reboot.Select(uRef => host.Connection.Resolve(uRef)).Any(u => u != null && u.uuid.Equals(updateUuid)))
{
livePatchingFailedHosts.Add(host);
break;
}
}
}
}
if (livePatchingFailedHosts.Count == 1)
{
sb.AppendFormat(Messages.LIVE_PATCHING_FAILED_ONE_HOST, livePatchingFailedHosts[0].Name()).AppendLine();
return sb.ToString();
}
if (livePatchingFailedHosts.Count > 1)
{
var hostnames = string.Join(", ", livePatchingFailedHosts.Select(h => string.Format("'{0}'", h.Name())));
sb.AppendFormat(Messages.LIVE_PATCHING_FAILED_MULTI_HOST, hostnames).AppendLine();
return sb.ToString();
}
return null;
}
}
}