mirror of
https://github.com/xcp-ng/xenadmin.git
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50b78ddd83
Removed unnecessary null check. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
297 lines
13 KiB
C#
297 lines
13 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.Linq;
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using System.Windows.Forms;
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using XenAdmin.Core;
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using XenAdmin.Dialogs;
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using XenAdmin.Wizards.PatchingWizard;
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using XenAdmin.Wizards.PatchingWizard.PlanActions;
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using XenAdmin.Wizards.RollingUpgradeWizard.PlanActions;
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using XenAPI;
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namespace XenAdmin.Wizards.RollingUpgradeWizard
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{
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public partial class RollingUpgradeUpgradePage : AutomatedUpdatesBasePage
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{
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public RollingUpgradeUpgradePage()
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{
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InitializeComponent();
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}
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#region XenTabPage overrides
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public override string PageTitle { get { return Messages.UPGRADE_PLAN; } }
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public override string Text { get { return Messages.UPGRADE_PLAN; } }
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public override string HelpID { get { return "Upgradepools"; } }
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#endregion
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#region Accessors
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public List<ThreeButtonDialog> Dialogs = new List<ThreeButtonDialog>();
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public bool ManualModeSelected { private get; set; }
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public Dictionary<string, string> InstallMethodConfig { private get; set; }
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#endregion
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#region AutomatedUpdatesBesePage overrides
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protected override string BlurbText()
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{
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return Messages.ROLLING_UPGRADE_UPGRADE_IN_PROGRESS;
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}
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protected override string SuccessMessageOnCompletion(bool multiplePools)
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{
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return multiplePools ? Messages.ROLLING_UPGRADE_SUCCESS_MANY : Messages.ROLLING_UPGRADE_SUCCESS_ONE;
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}
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protected override string FailureMessageOnCompletion(bool multiplePools)
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{
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return multiplePools ? Messages.ROLLING_UPGRADE_ERROR_MANY : Messages.ROLLING_UPGRADE_ERROR_ONE;
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}
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protected override string SuccessMessagePerPool()
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{
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return Messages.ROLLING_UPGRADE_SUCCESS_ONE;
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}
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protected override string FailureMessagePerPool(bool multipleErrors)
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{
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return multipleErrors ? Messages.ROLLING_UPGRADE_ERROR_POOL_MANY : Messages.ROLLING_UPGRADE_ERROR_POOL_ONE;
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}
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protected override void GeneratePlanActions(Pool pool, List<HostPlanActions> planActions, List<PlanAction> finalActions)
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{
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//Add masters first, then the slaves that are not ugpraded
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var hostNeedUpgrade = pool.HostsToUpgrade();
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foreach (var host in hostNeedUpgrade)
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{
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planActions.Add(GetSubTasksFor(host));
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}
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//add a revert pre-check action for this pool
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var problemsToRevert = ProblemsResolvedPreCheck.Where(p => hostNeedUpgrade.ToList().Select(h => h.uuid).ToList().Contains(p.Check.Host.uuid)).ToList();
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if (problemsToRevert.Count > 0)
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finalActions.Add(new UnwindProblemsAction(problemsToRevert, string.Format(Messages.REVERTING_RESOLVED_PRECHECKS_POOL, pool.Connection.Name)));
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}
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protected override bool ManageSemiAutomaticPlanAction(UpdateProgressBackgroundWorker bgw, PlanAction planAction)
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{
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var upgradeHostPlanAction = planAction as UpgradeManualHostPlanAction;
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if (upgradeHostPlanAction == null || !upgradeHostPlanAction.IsManual)
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return false;
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//Show dialog prepare host boot from CD or PXE boot and click OK to reboot
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string msg = string.Format(Messages.ROLLING_UPGRADE_REBOOT_MESSAGE, upgradeHostPlanAction.GetResolvedHost().Name());
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UpgradeManualHostPlanAction action = upgradeHostPlanAction;
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Program.Invoke(this, () =>
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{
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using (var dialog = new NonModalThreeButtonDialog(SystemIcons.Information, msg, Messages.REBOOT, Messages.SKIP_SERVER))
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{
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Dialogs.Add(dialog);
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dialog.ShowDialog(this);
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Dialogs.Remove(dialog);
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if (dialog.DialogResult != DialogResult.OK) // Cancel or Unknown
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{
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if (action.GetResolvedHost().IsMaster())
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{
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action.Error = new ApplicationException(Messages.EXCEPTION_USER_CANCELLED_MASTER);
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throw action.Error;
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}
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action.Error = new CancelledException();
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}
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}
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});
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if (action.Error != null)
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return true;
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string beforeRebootProductVersion = upgradeHostPlanAction.GetResolvedHost().LongProductVersion();
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string hostName = upgradeHostPlanAction.GetResolvedHost().Name();
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upgradeHostPlanAction.Timeout += upgradeHostPlanAction_Timeout;
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try
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{
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do
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{
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if (bgw.CancellationPending)
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break;
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//Reboot with timeout of 20 min
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upgradeHostPlanAction.Run();
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//if comes back and does not have a different product version
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if (Helpers.SameServerVersion(upgradeHostPlanAction.GetResolvedHost(), beforeRebootProductVersion))
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{
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using (var dialog = new NonModalThreeButtonDialog(SystemIcons.Exclamation,
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string.Format(Messages.ROLLING_UPGRADE_REBOOT_AGAIN_MESSAGE, hostName)
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, Messages.REBOOT_AGAIN_BUTTON_LABEL, Messages.SKIP_SERVER))
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{
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Program.Invoke(this, () => dialog.ShowDialog(this));
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if (dialog.DialogResult != DialogResult.OK) // Cancel or Unknown
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{
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if (upgradeHostPlanAction.GetResolvedHost().IsMaster())
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{
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upgradeHostPlanAction.Error = new Exception(Messages.HOST_REBOOTED_SAME_VERSION);
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throw upgradeHostPlanAction.Error;
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}
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upgradeHostPlanAction.Error = new CancelledException();
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break;
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}
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else
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upgradeHostPlanAction = new UpgradeManualHostPlanAction(upgradeHostPlanAction.GetResolvedHost());
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}
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}
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} while (Helpers.SameServerVersion(upgradeHostPlanAction.GetResolvedHost(), beforeRebootProductVersion));
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}
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finally
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{
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upgradeHostPlanAction.Timeout -= upgradeHostPlanAction_Timeout;
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}
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return true; // the action has been handled here
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}
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protected override bool SkipInitialPlanActions(Host host)
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{
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//Skip hosts already upgraded
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if (host.IsMaster())
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{
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var pool = Helpers.GetPoolOfOne(host.Connection);
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if (pool != null && pool.IsMasterUpgraded())
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{
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log.Debug(string.Format("Skipping master '{0}' because it is upgraded", host.Name()));
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return true;
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}
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}
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else
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{
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var master = Helpers.GetMaster(host.Connection);
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if (master != null && host.LongProductVersion() == master.LongProductVersion())
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{
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log.Debug(string.Format("Skipping host '{0}' because it is upgraded", host.Name()));
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return true;
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}
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}
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return false;
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}
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private Dictionary<UpdateProgressBackgroundWorker, List<XenServerPatch>> AllUploadedPatches = new Dictionary<UpdateProgressBackgroundWorker, List<XenServerPatch>>();
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private Dictionary<UpdateProgressBackgroundWorker, List<XenServerPatch>> MinimalPatches = new Dictionary<UpdateProgressBackgroundWorker, List<XenServerPatch>>(); // should be calculated only once per pool (to ensure update homogeneity)
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protected override void DoAfterInitialPlanActions(UpdateProgressBackgroundWorker bgw, Host host, List<Host> hosts)
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{
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var hostPlanActions = bgw.HostActions.FirstOrDefault(ha => ha.Host.Equals(host));
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if (hostPlanActions == null)
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return;
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if (hostPlanActions.UpdatesPlanActions.Count > 0) // this is a retry; do not recreate actions
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return;
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if (!ApplyUpdatesToNewVersion || host.Connection.Cache.Hosts.Any(Host.RestrictBatchHotfixApply))
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return;
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if (!MinimalPatches.ContainsKey(bgw))
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MinimalPatches.Add(bgw, Updates.GetMinimalPatches(host.Connection));
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var minimalPatches = MinimalPatches[bgw];
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if (minimalPatches == null)
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return;
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if (!AllUploadedPatches.ContainsKey(bgw))
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AllUploadedPatches.Add(bgw, new List<XenServerPatch>());
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var uploadedPatches = AllUploadedPatches[bgw];
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var hostActions = GetUpdatePlanActionsForHost(host, hosts, minimalPatches, uploadedPatches, new KeyValuePair<XenServerPatch, string>());
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if (hostActions.UpdatesPlanActions != null && hostActions.UpdatesPlanActions.Count > 0)
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{
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hostPlanActions.UpdatesPlanActions = hostActions.UpdatesPlanActions;
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hostPlanActions.DelayedActions.InsertRange(0, hostActions.DelayedActions);
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}
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}
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#endregion
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#region Private methods
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private HostPlanActions GetSubTasksFor(Host host)
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{
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var hostPlanActions = new HostPlanActions(host);
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var runningVMs = RunningVMs(host);
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var upgradeAction = ManualModeSelected
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? new UpgradeManualHostPlanAction(host)
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: new UpgradeHostPlanAction(host, InstallMethodConfig);
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hostPlanActions.InitialPlanActions = new List<PlanAction>()
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{
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new EvacuateHostPlanAction(host),
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upgradeAction
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};
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hostPlanActions.DelayedActions = new List<PlanAction>()
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{
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new BringBabiesBackAction(runningVMs, host, true)
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};
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return hostPlanActions;
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}
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private static List<XenRef<VM>> RunningVMs(Host host)
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{
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var vms = new List<XenRef<VM>>();
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foreach (VM vm in host.Connection.ResolveAll(host.resident_VMs))
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{
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if (!vm.is_a_real_vm())
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continue;
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vms.Add(new XenRef<VM>(vm.opaque_ref));
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}
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return vms;
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}
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private void upgradeHostPlanAction_Timeout(object sender, EventArgs e)
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{
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var dialog = new NonModalThreeButtonDialog(SystemIcons.Exclamation, Messages.ROLLING_UPGRADE_TIMEOUT.Replace("\\n", "\n"), Messages.KEEP_WAITING_BUTTON_LABEL.Replace("\\n", "\n"), Messages.CANCEL);
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Program.Invoke(this, () => dialog.ShowDialog(this));
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if (dialog.DialogResult != DialogResult.OK) // Cancel or Unknown
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{
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UpgradeHostPlanAction action = (UpgradeHostPlanAction)sender;
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action.Cancel();
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}
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}
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#endregion
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}
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}
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