mirror of
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814 lines
33 KiB
C#
814 lines
33 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.ComponentModel;
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using System.Linq;
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using XenAdmin.Actions;
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using XenAPI;
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using XenAdmin.Alerts;
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using XenAdmin.Network;
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using System.Diagnostics;
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using System.Windows.Forms;
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using XenAdmin.Dialogs;
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namespace XenAdmin.Core
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{
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public class Updates
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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public static event Action<bool, string> CheckForUpdatesCompleted;
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public static event Action CheckForUpdatesStarted;
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public static event Action RestoreDismissedUpdatesStarted;
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private static readonly object downloadedUpdatesLock = new object();
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private static List<XenServerVersion> XenServerVersionsForAutoCheck = new List<XenServerVersion>();
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private static List<XenServerPatch> XenServerPatches = new List<XenServerPatch>();
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private static List<XenCenterVersion> XenCenterVersions = new List<XenCenterVersion>();
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public static List<XenServerVersion> XenServerVersions = new List<XenServerVersion>();
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private static readonly object updateAlertsLock = new object();
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private static readonly ChangeableList<Alert> updateAlerts = new ChangeableList<Alert>();
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public static IEnumerable<Alert> UpdateAlerts
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{
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get { return updateAlerts; }
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}
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public static int UpdateAlertsCount
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{
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get { return updateAlerts.Count; }
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}
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private static void AddUpate(Alert update)
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{
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try
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{
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lock (updateAlertsLock)
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{
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if(!updateAlerts.Contains(update))
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{
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updateAlerts.Add(update);
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}
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}
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}
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catch (Exception e)
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{
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log.Error("Failed to add update", e);
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}
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}
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public static void RemoveUpdate(Alert update)
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{
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try
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{
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lock (updateAlertsLock)
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{
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if(updateAlerts.Contains(update))
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{
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updateAlerts.Remove(update);
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}
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}
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}
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catch (Exception e)
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{
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log.Error("Failed to remove update", e);
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}
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}
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/// <summary>
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/// Dismisses the updates in the given list i.e. they are added in the
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/// other_config list of each pool and removed from the Updates.UpdateAlerts list.
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/// </summary>
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/// <param name="toBeDismissed"></param>
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public static void DismissUpdates(List<Alert> toBeDismissed)
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{
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if (toBeDismissed.Count == 0)
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return;
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foreach(IXenConnection connection in ConnectionsManager.XenConnectionsCopy)
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{
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if (!Alert.AllowedToDismiss(connection))
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continue;
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XenAPI.Pool pool = Helpers.GetPoolOfOne(connection);
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if (pool == null)
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continue;
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Dictionary<string, string> other_config = pool.other_config;
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foreach (Alert alert in toBeDismissed)
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{
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if (alert is XenServerPatchAlert)
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{
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if (other_config.ContainsKey(IgnorePatchAction.IgnorePatchKey))
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{
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List<string> current = new List<string>(other_config[IgnorePatchAction.IgnorePatchKey].Split(','));
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if (current.Contains(((XenServerPatchAlert)alert).Patch.Uuid, StringComparer.OrdinalIgnoreCase))
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continue;
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current.Add(((XenServerPatchAlert)alert).Patch.Uuid);
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other_config[IgnorePatchAction.IgnorePatchKey] = string.Join(",", current.ToArray());
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}
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else
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{
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other_config.Add(IgnorePatchAction.IgnorePatchKey, ((XenServerPatchAlert)alert).Patch.Uuid);
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}
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}
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if (alert is XenServerVersionAlert)
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{
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if (other_config.ContainsKey(IgnoreServerAction.LAST_SEEN_SERVER_VERSION_KEY))
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{
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List<string> current = new List<string>(other_config[IgnoreServerAction.LAST_SEEN_SERVER_VERSION_KEY].Split(','));
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if (current.Contains(((XenServerVersionAlert)alert).Version.VersionAndOEM))
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continue;
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current.Add(((XenServerVersionAlert)alert).Version.VersionAndOEM);
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other_config[IgnoreServerAction.LAST_SEEN_SERVER_VERSION_KEY] = string.Join(",", current.ToArray());
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}
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else
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{
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other_config.Add(IgnoreServerAction.LAST_SEEN_SERVER_VERSION_KEY, ((XenServerVersionAlert)alert).Version.VersionAndOEM);
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}
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}
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Updates.RemoveUpdate(alert);
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}
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XenAPI.Pool.set_other_config(connection.Session, pool.opaque_ref, other_config);
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}
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}
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private static Alert FindUpdate(Alert alert)
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{
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lock (updateAlertsLock)
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return FindUpdate(a => a.Equals(alert));
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}
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private static Alert FindUpdate(Predicate<Alert> predicate)
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{
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lock (updateAlertsLock)
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return updateAlerts.Find(predicate);
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}
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/// <summary>
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/// If AutomaticCheck is enabled it checks for updates regardless the
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/// value of the parameter force. If AutomaticCheck is disabled it
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/// checks for all update types if force is true; forceRefresh causes
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/// the check for update action to run and refresh the Updates page
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/// </summary>
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public static void CheckForUpdates(bool force, bool forceRefresh = false)
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{
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if (Helpers.CommonCriteriaCertificationRelease)
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return;
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if (Properties.Settings.Default.AllowXenCenterUpdates ||
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Properties.Settings.Default.AllowXenServerUpdates ||
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Properties.Settings.Default.AllowPatchesUpdates || force || forceRefresh)
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{
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DownloadUpdatesXmlAction action = new DownloadUpdatesXmlAction(
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Properties.Settings.Default.AllowXenCenterUpdates || force,
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Properties.Settings.Default.AllowXenServerUpdates || force,
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Properties.Settings.Default.AllowPatchesUpdates || force,
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Updates.CheckForUpdatesUrl);
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action.Completed += actionCompleted;
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if (CheckForUpdatesStarted != null)
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CheckForUpdatesStarted();
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action.RunAsync();
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}
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}
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/// <summary>
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/// It does exactly what CheckForUpdates(true) does, but this is sync and shows an ActionProgressDialog while running
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/// </summary>
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/// <returns>true if the action has succeeded</returns>
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public static bool CheckForUpdatesSync(Control parentForProgressDialog)
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{
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if (Helpers.CommonCriteriaCertificationRelease)
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return false;
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DownloadUpdatesXmlAction action = new DownloadUpdatesXmlAction(true, true, true, Updates.CheckForUpdatesUrl);
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action.Completed += actionCompleted;
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if (CheckForUpdatesStarted != null)
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CheckForUpdatesStarted();
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using (var dialog = new ActionProgressDialog(action, ProgressBarStyle.Marquee))
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dialog.ShowDialog(parentForProgressDialog);
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return action.Succeeded;
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}
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public static string CheckForUpdatesUrl
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{
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get
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{
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return Registry.CustomUpdatesXmlLocation ?? Branding.CheckForUpdatesUrl;
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}
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}
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private static void actionCompleted(ActionBase sender)
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{
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Program.AssertOffEventThread();
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DownloadUpdatesXmlAction action = sender as DownloadUpdatesXmlAction;
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if (action == null)
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return;
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bool succeeded = action.Succeeded;
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string errorMessage = string.Empty;
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lock (updateAlertsLock)
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updateAlerts.Clear();
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if (succeeded)
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{
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lock (downloadedUpdatesLock)
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{
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XenCenterVersions = action.XenCenterVersions;
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XenServerVersionsForAutoCheck = action.XenServerVersionsForAutoCheck;
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XenServerVersions = action.XenServerVersions;
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XenServerPatches = action.XenServerPatches;
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}
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var xenCenterAlerts = NewXenCenterUpdateAlerts(XenCenterVersions, Program.Version);
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if (xenCenterAlerts != null)
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updateAlerts.AddRange(xenCenterAlerts.Where(a=>!a.IsDismissed()));
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var xenServerUpdateAlerts = NewXenServerVersionAlerts(XenServerVersionsForAutoCheck);
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if (xenServerUpdateAlerts != null)
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updateAlerts.AddRange(xenServerUpdateAlerts.Where(a=>!a.CanIgnore));
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var xenServerPatchAlerts = NewXenServerPatchAlerts(XenServerVersions, XenServerPatches);
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if (xenServerPatchAlerts != null)
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updateAlerts.AddRange(xenServerPatchAlerts.Where(alert => !alert.CanIgnore));
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}
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else
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{
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if (action.Exception != null)
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{
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if (action.Exception is System.Net.Sockets.SocketException)
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{
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errorMessage = Messages.AVAILABLE_UPDATES_NETWORK_ERROR;
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}
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else
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{
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// Clean up and remove excess newlines, carriage returns, trailing nonsense
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string errorText = action.Exception.Message.Trim();
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errorText = System.Text.RegularExpressions.Regex.Replace(errorText, @"\r\n+", "");
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errorMessage = string.Format(Messages.AVAILABLE_UPDATES_ERROR, errorText);
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}
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}
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if (string.IsNullOrEmpty(errorMessage))
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errorMessage = Messages.AVAILABLE_UPDATES_INTERNAL_ERROR;
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}
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if (CheckForUpdatesCompleted != null)
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CheckForUpdatesCompleted(succeeded, errorMessage);
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}
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public static void RegisterCollectionChanged(CollectionChangeEventHandler handler)
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{
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updateAlerts.CollectionChanged += handler;
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}
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public static void DeregisterCollectionChanged(CollectionChangeEventHandler handler)
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{
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updateAlerts.CollectionChanged -= handler;
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}
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public static List<XenCenterUpdateAlert> NewXenCenterUpdateAlerts(List<XenCenterVersion> xenCenterVersions,
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Version currentProgramVersion)
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{
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if (Helpers.CommonCriteriaCertificationRelease)
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return null;
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var alerts = new List<XenCenterUpdateAlert>();
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XenCenterVersion latest = null, latestCr = null;
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if (xenCenterVersions.Count != 0 && currentProgramVersion != new Version(0, 0, 0, 0))
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{
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var latestVersions = from v in xenCenterVersions where v.Latest select v;
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latest = latestVersions.FirstOrDefault(xcv => xcv.Lang == Program.CurrentLanguage) ??
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latestVersions.FirstOrDefault(xcv => string.IsNullOrEmpty(xcv.Lang));
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if (IsSuitableForXenCenterAlert(latest, currentProgramVersion))
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alerts.Add(new XenCenterUpdateAlert(latest));
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var latestCrVersions = from v in xenCenterVersions where v.LatestCr select v;
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latestCr = latestCrVersions.FirstOrDefault(xcv => xcv.Lang == Program.CurrentLanguage) ??
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latestCrVersions.FirstOrDefault(xcv => string.IsNullOrEmpty(xcv.Lang));
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if (latestCr != latest && IsSuitableForXenCenterAlert(latestCr, currentProgramVersion))
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alerts.Add(new XenCenterUpdateAlert(latestCr));
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}
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if (alerts.Count == 0)
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{
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log.Info(string.Format("Not alerting XenCenter update - latest = {0}, latestcr = {1}, detected = {2}",
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latest != null ? latest.VersionAndLang : "", latestCr != null ? latestCr.VersionAndLang : "", Program.VersionAndLanguage));
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}
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return alerts;
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}
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private static bool IsSuitableForXenCenterAlert(XenCenterVersion toUse, Version currentProgramVersion)
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{
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if (toUse == null)
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return false;
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return toUse.Version > currentProgramVersion ||
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(toUse.Version == currentProgramVersion && toUse.Lang == Program.CurrentLanguage &&
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!PropertyManager.IsCultureLoaded(Program.CurrentCulture));
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}
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public static List<XenServerPatchAlert> NewXenServerPatchAlerts(List<XenServerVersion> xenServerVersions,
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List<XenServerPatch> xenServerPatches)
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{
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if (Helpers.CommonCriteriaCertificationRelease)
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return null;
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var alerts = new List<XenServerPatchAlert>();
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var xenServerVersionsAsUpdates = xenServerVersions.Where(v => v.IsVersionAvailableAsAnUpdate);
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foreach (IXenConnection xenConnection in ConnectionsManager.XenConnectionsCopy)
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{
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Host master = Helpers.GetMaster(xenConnection);
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Pool pool = Helpers.GetPoolOfOne(xenConnection);
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List<Host> hosts = xenConnection.Cache.Hosts.ToList();
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if (master == null || pool == null)
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continue;
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var serverVersions = GetServerVersions(master, xenServerVersions);
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if (serverVersions.Count == 0)
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continue;
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foreach (XenServerVersion xenServerVersion in serverVersions)
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{
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XenServerVersion version = xenServerVersion;
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List<XenServerPatch> patches = xenServerPatches.FindAll(patch => version.Patches.Contains(patch));
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if (patches.Count == 0)
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continue;
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foreach (XenServerPatch xenServerPatch in patches)
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{
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XenServerVersion newServerVersion = xenServerVersionsAsUpdates.FirstOrDefault(newVersion => newVersion.PatchUuid.Equals(xenServerPatch.Uuid, StringComparison.OrdinalIgnoreCase));
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var alert = new XenServerPatchAlert(xenServerPatch, newServerVersion);
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var existingAlert = alerts.Find(al => al.Equals(alert));
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if (existingAlert != null)
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alert = existingAlert;
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else
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alerts.Add(alert);
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if (!xenConnection.IsConnected)
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continue;
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XenServerPatch serverPatch = xenServerPatch;
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var noPatchHosts = hosts.Where(host => PatchCanBeInstalledOnHost(serverPatch, host));
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if (noPatchHosts.Count() == hosts.Count)
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alert.IncludeConnection(xenConnection);
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else
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alert.IncludeHosts(noPatchHosts);
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}
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}
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}
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return alerts;
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}
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private static bool PatchCanBeInstalledOnHost(XenServerPatch serverPatch, Host host)
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{
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Debug.Assert(serverPatch != null);
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Debug.Assert(host != null);
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// A patch can be installed on a host if:
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// 1. it is not already installed and
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// 2. the host has all the required patches installed and
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// 3. the host doesn't have any of the conflicting patches installed
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bool elyOrGreater = Helpers.ElyOrGreater(host);
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var appliedUpdates = host.AppliedUpdates();
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var appliedPatches = host.AppliedPatches();
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// 1. patch is not already installed
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if (elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, serverPatch.Uuid, StringComparison.OrdinalIgnoreCase)))
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return false;
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if (!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, serverPatch.Uuid, StringComparison.OrdinalIgnoreCase)))
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return false;
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// 2. the host has all the required patches installed
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if (serverPatch.RequiredPatches != null && serverPatch.RequiredPatches.Count > 0 &&
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!serverPatch.RequiredPatches
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.All(requiredPatchUuid =>
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elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase))
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|| !elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase))
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)
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)
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return false;
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// 3. the host doesn't have any of the conflicting patches installed
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if (serverPatch.ConflictingPatches != null && serverPatch.ConflictingPatches.Count > 0 &&
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serverPatch.ConflictingPatches
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.Any(conflictingPatchUuid =>
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elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase))
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|| !elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase))
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)
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)
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return false;
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return true;
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}
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/// <summary>
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/// This method returns the minimal set of patches for a host if this class already has information about them. Otherwise it returns empty list.
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/// Calling this function will not initiate a download or update.
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/// </summary>
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/// <param name="host"></param>
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/// <returns></returns>
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public static List<XenServerPatch> RecommendedPatchesForHost(Host host)
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{
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var recommendedPatches = new List<XenServerPatch>();
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if (XenServerVersions == null)
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return recommendedPatches;
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var serverVersions = GetServerVersions(host, XenServerVersions);
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if (serverVersions.Count != 0)
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{
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var minimumPatches = serverVersions[0].MinimalPatches;
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if (minimumPatches == null) //unknown
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return recommendedPatches;
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bool elyOrGreater = Helpers.ElyOrGreater(host);
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var appliedPatches = host.AppliedPatches();
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var appliedUpdates = host.AppliedUpdates();
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if (elyOrGreater)
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{
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recommendedPatches = minimumPatches.FindAll(p => !appliedUpdates.Any(au => string.Equals(au.uuid, p.Uuid, StringComparison.OrdinalIgnoreCase)));
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}
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else
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{
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recommendedPatches = minimumPatches.FindAll(p => !appliedPatches.Any(ap => string.Equals(ap.uuid, p.Uuid, StringComparison.OrdinalIgnoreCase)));
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}
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}
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return recommendedPatches;
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}
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public static UpgradeSequence GetUpgradeSequence(IXenConnection conn)
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{
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if (XenServerVersions == null)
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return null;
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Host master = Helpers.GetMaster(conn);
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if (master == null)
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return null;
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var version = GetCommonServerVersionOfHostsInAConnection(conn, XenServerVersions);
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if (version != null)
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{
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if (version.MinimalPatches == null)
|
|
return null;
|
|
|
|
var uSeq = new UpgradeSequence();
|
|
uSeq.MinimalPatches = version.MinimalPatches;
|
|
|
|
List<Host> hosts = conn.Cache.Hosts.ToList();
|
|
|
|
foreach (Host h in hosts)
|
|
{
|
|
uSeq[h] = GetUpgradeSequenceForHost(h, uSeq.MinimalPatches);
|
|
}
|
|
|
|
return uSeq;
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a XenServerVersion if all hosts of the pool have the same version
|
|
/// Returns null if it is unknown or they don't match
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
private static XenServerVersion GetCommonServerVersionOfHostsInAConnection(IXenConnection connection, List<XenServerVersion> xsVersions)
|
|
{
|
|
XenServerVersion commonXenServerVersion = null;
|
|
|
|
if (connection == null)
|
|
return null;
|
|
|
|
List<Host> hosts = connection.Cache.Hosts.ToList();
|
|
|
|
foreach (Host host in hosts)
|
|
{
|
|
var hostVersions = GetServerVersions(host, xsVersions);
|
|
|
|
var foundVersion = hostVersions.FirstOrDefault();
|
|
|
|
if (foundVersion == null)
|
|
{
|
|
return null;
|
|
}
|
|
else
|
|
{
|
|
if (commonXenServerVersion == null)
|
|
{
|
|
commonXenServerVersion = foundVersion;
|
|
}
|
|
else
|
|
{
|
|
if (commonXenServerVersion != foundVersion)
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
return commonXenServerVersion;
|
|
}
|
|
|
|
private static List<XenServerPatch> GetUpgradeSequenceForHost(Host h, List<XenServerPatch> latestPatches)
|
|
{
|
|
var sequence = new List<XenServerPatch>();
|
|
var appliedUpdateUuids = new List<string>();
|
|
|
|
bool elyOrGreater = Helpers.ElyOrGreater(h);
|
|
|
|
if (elyOrGreater)
|
|
{
|
|
appliedUpdateUuids = h.AppliedUpdates().Select(u => u.uuid).ToList();
|
|
}
|
|
else
|
|
{
|
|
appliedUpdateUuids = h.AppliedPatches().Select(p => p.uuid).ToList();
|
|
}
|
|
|
|
var neededPatches = new List<XenServerPatch>(latestPatches);
|
|
|
|
//Iterate through latestPatches once; in each iteration, move the first item from L0 that has its dependencies met to the end of the Update Schedule (US)
|
|
for (int ii = 0; ii < neededPatches.Count; ii++)
|
|
{
|
|
var p = neededPatches[ii];
|
|
|
|
//checking requirements
|
|
if (//not applied yet
|
|
!appliedUpdateUuids.Any(apu => string.Equals(apu, p.Uuid, StringComparison.OrdinalIgnoreCase))
|
|
// and either no requirements or they are meet
|
|
&& (p.RequiredPatches == null
|
|
|| p.RequiredPatches.Count == 0
|
|
// all requirements met?
|
|
|| p.RequiredPatches.All(
|
|
rp =>
|
|
//sequence already has the required-patch
|
|
(sequence.Count != 0 && sequence.Any(useqp => string.Equals(useqp.Uuid, rp, StringComparison.OrdinalIgnoreCase)))
|
|
|
|
//the required-patch has already been applied
|
|
|| (appliedUpdateUuids.Count != 0 && appliedUpdateUuids.Any(apu => string.Equals(apu, rp, StringComparison.OrdinalIgnoreCase)))
|
|
)
|
|
))
|
|
{
|
|
// this patch can be added to the upgrade sequence now
|
|
sequence.Add(p);
|
|
|
|
// by now the patch has either been added to the upgrade sequence or something already contains it among the installed patches
|
|
neededPatches.RemoveAt(ii);
|
|
|
|
//resetting position - the loop will start on 0. item
|
|
ii = -1;
|
|
}
|
|
}
|
|
|
|
return sequence;
|
|
}
|
|
|
|
public class UpgradeSequence : Dictionary<Host, List<XenServerPatch>>
|
|
{
|
|
private IEnumerable<XenServerPatch> AllPatches
|
|
{
|
|
get
|
|
{
|
|
foreach (var patches in this.Values)
|
|
foreach(var patch in patches)
|
|
yield return patch;
|
|
}
|
|
}
|
|
|
|
public List<XenServerPatch> UniquePatches
|
|
{
|
|
get
|
|
{
|
|
var uniquePatches = new List<XenServerPatch>();
|
|
|
|
foreach (var mp in MinimalPatches)
|
|
{
|
|
if (AllPatches.Any(p => p.Uuid == mp.Uuid))
|
|
{
|
|
uniquePatches.Add(mp);
|
|
}
|
|
}
|
|
|
|
return uniquePatches;
|
|
}
|
|
}
|
|
|
|
public bool AllHostsUpToDate
|
|
{
|
|
get
|
|
{
|
|
if (this.Count == 0)
|
|
return false;
|
|
|
|
foreach (var host in this.Keys)
|
|
{
|
|
if (this[host].Count > 0)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
public List<XenServerPatch> MinimalPatches
|
|
{
|
|
set;
|
|
get;
|
|
}
|
|
}
|
|
|
|
public static List<XenServerVersionAlert> NewXenServerVersionAlerts(List<XenServerVersion> xenServerVersions)
|
|
{
|
|
if (Helpers.CommonCriteriaCertificationRelease)
|
|
return null;
|
|
|
|
var latestVersion = xenServerVersions.FindAll(item => item.Latest).OrderByDescending(v => v.Version).FirstOrDefault();
|
|
var latestCrVersion = xenServerVersions.FindAll(item => item.LatestCr).OrderByDescending(v => v.Version).FirstOrDefault();
|
|
|
|
List<XenServerVersionAlert> alerts = new List<XenServerVersionAlert>();
|
|
|
|
if (latestVersion != null)
|
|
alerts.Add(CreateAlertForXenServerVersion(latestVersion));
|
|
|
|
if (latestCrVersion != null && latestCrVersion != latestVersion)
|
|
alerts.Add(CreateAlertForXenServerVersion(latestCrVersion));
|
|
|
|
return alerts;
|
|
}
|
|
|
|
private static XenServerVersionAlert CreateAlertForXenServerVersion(XenServerVersion version)
|
|
{
|
|
var alert = new XenServerVersionAlert(version);
|
|
|
|
// the patch that installs this version, if any
|
|
var patch = XenServerPatches.FirstOrDefault(p => p.Uuid.Equals(version.PatchUuid, StringComparison.OrdinalIgnoreCase));
|
|
|
|
foreach (IXenConnection xc in ConnectionsManager.XenConnectionsCopy)
|
|
{
|
|
if (!xc.IsConnected)
|
|
continue;
|
|
|
|
Host master = Helpers.GetMaster(xc);
|
|
Pool pool = Helpers.GetPoolOfOne(xc);
|
|
List<Host> hosts = xc.Cache.Hosts.ToList();
|
|
if (master == null || pool == null)
|
|
continue;
|
|
|
|
// Show the Upgrade alert for a host if:
|
|
// - the host version is older than this version AND
|
|
// - there is no patch (amongst the current version patches) that can update to this version OR, if there is a patch, the patch cannot be installed
|
|
var patchApplicable = patch != null && GetServerVersions(master, XenServerVersions).Any(v => v.Patches.Contains(patch));
|
|
var outOfDateHosts = hosts.Where(host => new Version(Helpers.HostProductVersion(host)) < version.Version
|
|
&& (!patchApplicable || !PatchCanBeInstalledOnHost(patch, host)));
|
|
|
|
if (outOfDateHosts.Count() == hosts.Count)
|
|
alert.IncludeConnection(xc);
|
|
else
|
|
alert.IncludeHosts(outOfDateHosts);
|
|
}
|
|
|
|
return alert;
|
|
}
|
|
|
|
private static List<XenServerVersion> GetServerVersions(Host host, List<XenServerVersion> xenServerVersions)
|
|
{
|
|
var serverVersions = xenServerVersions.FindAll(version =>
|
|
{
|
|
if (version.BuildNumber != string.Empty)
|
|
return (host.BuildNumberRaw == version.BuildNumber);
|
|
|
|
return Helpers.HostProductVersionWithOEM(host) == version.VersionAndOEM
|
|
|| (version.Oem != null && Helpers.OEMName(host).StartsWith(version.Oem)
|
|
&& Helpers.HostProductVersion(host) == version.Version.ToString());
|
|
});
|
|
return serverVersions;
|
|
}
|
|
|
|
public static void CheckServerVersion()
|
|
{
|
|
var alerts = NewXenServerVersionAlerts(XenServerVersionsForAutoCheck);
|
|
if (alerts == null || alerts.Count == 0)
|
|
return;
|
|
|
|
alerts.ForEach(a => CheckUpdate(a));
|
|
}
|
|
|
|
public static void CheckServerPatches()
|
|
{
|
|
var alerts = NewXenServerPatchAlerts(XenServerVersions, XenServerPatches);
|
|
if (alerts == null)
|
|
return;
|
|
|
|
alerts.ForEach(a => CheckUpdate(a));
|
|
}
|
|
|
|
private static void CheckUpdate(XenServerUpdateAlert alert)
|
|
{
|
|
var existingAlert = FindUpdate(alert);
|
|
|
|
if (existingAlert != null && alert.CanIgnore)
|
|
RemoveUpdate(existingAlert);
|
|
else if (existingAlert != null)
|
|
((XenServerUpdateAlert)existingAlert).CopyConnectionsAndHosts(alert);
|
|
else if (!alert.CanIgnore)
|
|
AddUpate(alert);
|
|
}
|
|
|
|
public static void RestoreDismissedUpdates()
|
|
{
|
|
var actions = new List<AsyncAction>();
|
|
foreach (IXenConnection connection in ConnectionsManager.XenConnectionsCopy)
|
|
actions.Add(new RestoreDismissedUpdatesAction(connection));
|
|
|
|
var action = new ParallelAction(Messages.RESTORE_DISMISSED_UPDATES, Messages.RESTORING, Messages.COMPLETED, actions, true, false);
|
|
action.Completed += action_Completed;
|
|
|
|
if (RestoreDismissedUpdatesStarted != null)
|
|
RestoreDismissedUpdatesStarted();
|
|
|
|
action.RunAsync();
|
|
}
|
|
|
|
private static void action_Completed(ActionBase action)
|
|
{
|
|
Program.Invoke(Program.MainWindow, () =>
|
|
{
|
|
Properties.Settings.Default.LatestXenCenterSeen = "";
|
|
Settings.TrySaveSettings();
|
|
|
|
CheckForUpdates(true);
|
|
});
|
|
}
|
|
}
|
|
}
|