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0574a63de5
Using OrdinalIgnoreCase for uuid comparisons Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
609 lines
25 KiB
C#
609 lines
25 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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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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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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private 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 only
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/// checks if force is true.
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/// </summary>
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public static void CheckForUpdates(bool force)
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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)
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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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Branding.CheckForUpdatesUrl);
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{
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action.Completed += actionCompleted;
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}
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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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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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var xcvs = action.XenCenterVersions.Where(v => !XenCenterVersions.Contains(v));
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XenCenterVersions.AddRange(xcvs);
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var versForAutoCheck = action.XenServerVersionsForAutoCheck.Where(v => !XenServerVersionsForAutoCheck.Contains(v));
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XenServerVersionsForAutoCheck.AddRange(versForAutoCheck);
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var vers = action.XenServerVersions.Where(v => !XenServerVersions.Contains(v));
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XenServerVersions.AddRange(vers);
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var patches = action.XenServerPatches.Where(p => !XenServerPatches.Contains(p));
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XenServerPatches.AddRange(patches);
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}
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var xenCenterAlert = NewXenCenterUpdateAlert(XenCenterVersions, Program.Version);
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if (xenCenterAlert != null && !xenCenterAlert.IsDismissed())
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updateAlerts.Add(xenCenterAlert);
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var xenServerUpdateAlert = NewXenServerVersionAlert(XenServerVersionsForAutoCheck);
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if (xenServerUpdateAlert != null && !xenServerUpdateAlert.CanIgnore)
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updateAlerts.Add(xenServerUpdateAlert);
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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 XenCenterUpdateAlert NewXenCenterUpdateAlert(List<XenCenterVersion> xenCenterVersions, Version currentProgramVersion)
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{
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if (Helpers.CommonCriteriaCertificationRelease)
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return null;
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XenCenterVersion toUse = 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 latest = from v in xenCenterVersions where v.IsLatest select v;
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toUse = latest.FirstOrDefault(xcv => xcv.Lang == Program.CurrentLanguage) ??
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latest.FirstOrDefault(xcv => string.IsNullOrEmpty(xcv.Lang));
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}
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if (toUse == null)
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return null;
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if (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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return new XenCenterUpdateAlert(toUse);
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}
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log.Info(string.Format("Not alerting XenCenter update - lastest = {0}, detected = {1}",
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toUse.VersionAndLang, Program.VersionAndLanguage));
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return null;
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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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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 = xenServerVersions.FindAll(version =>
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{
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if (version.BuildNumber != string.Empty)
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return (master.BuildNumberRaw == version.BuildNumber);
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return Helpers.HostProductVersionWithOEM(master) == version.VersionAndOEM
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|| (version.Oem != null && Helpers.OEMName(master).StartsWith(version.Oem)
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&& Helpers.HostProductVersion(master) == version.Version.ToString());
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});
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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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var alert = new XenServerPatchAlert(xenServerPatch);
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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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// 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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var noPatchHosts = hosts.Where(host =>
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{
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var appliedPatches = host.AppliedPatches();
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// 1. patch is not already installed
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if (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.All(requiredPatchUuid => appliedPatches.Any(patch => string.Equals(patch.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase))))
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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.Any(conflictingPatchUuid => appliedPatches.Any(patch => string.Equals(patch.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase))))
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return false;
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return true;
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});
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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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public static UpgradeSequences GetUpgradeSequence(IXenConnection conn)
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{
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var uSeq = new UpgradeSequences();
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Host master = Helpers.GetMaster(conn);
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List<Host> hosts = conn.Cache.Hosts.ToList();
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if (master == null)
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return null;
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var serverVersions = XenServerVersions.FindAll(version =>
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{
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if (version.BuildNumber != string.Empty)
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return (master.BuildNumberRaw == version.BuildNumber);
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return Helpers.HostProductVersionWithOEM(master) == version.VersionAndOEM
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|| (version.Oem != null && Helpers.OEMName(master).StartsWith(version.Oem)
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&& Helpers.HostProductVersion(master) == version.Version.ToString());
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});
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List<XenServerPatch> allPatches = new List<XenServerPatch>();
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if (serverVersions.Count > 0)
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{
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// Take all the hotfixes for this version
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allPatches.AddRange(serverVersions[0].Patches);
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var minimumPatches = serverVersions[0].MinimalPatches;
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foreach (Host h in hosts)
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{
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uSeq[h] = GetUpgradeSequenceForHost(h, allPatches, minimumPatches);
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}
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}
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return uSeq;
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}
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private static List<XenServerPatch> GetUpgradeSequenceForHost(Host h, List<XenServerPatch> allPatches, List<XenServerPatch> latestPatches)
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{
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var sequence = new List<XenServerPatch>();
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var appliedPatches = h.AppliedPatches();
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var neededPatches = new List<XenServerPatch>(latestPatches);
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//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)
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for (int ii = 0; ii < neededPatches.Count; ii++)
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{
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var p = neededPatches[ii];
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//checking requirements
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if (// no requirements
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p.RequiredPatches == null
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|| p.RequiredPatches.Count == 0
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// all requirements met?
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|| p.RequiredPatches.All(
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rp =>
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//sequence already has the required-patch
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(sequence.Count != 0 && sequence.Any(useqp => string.Equals(useqp.Uuid, rp, StringComparison.OrdinalIgnoreCase)))
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//the required-patch has already been applied
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|| (appliedPatches.Count != 0 && appliedPatches.Any(ap => string.Equals(ap.uuid, rp, StringComparison.OrdinalIgnoreCase)))
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)
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)
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{
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// this patch can be added to the upgrade sequence now
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sequence.Add(p);
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// by now the patch has either been added to the upgrade sequence or something already contains it among the installed patches
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neededPatches.RemoveAt(ii);
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//resetting position - the loop will start on 0. item
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ii = -1;
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}
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}
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return sequence;
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}
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public class UpgradeSequences : Dictionary<Host, List<XenServerPatch>>
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{
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}
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public static XenServerVersionAlert NewXenServerVersionAlert(List<XenServerVersion> xenServerVersions)
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{
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if (Helpers.CommonCriteriaCertificationRelease)
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return null;
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var latestVersion = xenServerVersions.FindAll(item => item.Latest).OrderByDescending(v => v.Version).FirstOrDefault();
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if (latestVersion == null)
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return null;
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var alert = new XenServerVersionAlert(latestVersion);
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foreach (IXenConnection xc in ConnectionsManager.XenConnectionsCopy)
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{
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if (!xc.IsConnected)
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continue;
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Host master = Helpers.GetMaster(xc);
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Pool pool = Helpers.GetPoolOfOne(xc);
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List<Host> hosts = xc.Cache.Hosts.ToList();
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if (master == null || pool == null)
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continue;
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var outOfDateHosts = hosts.Where(host => new Version(Helpers.HostProductVersion(host)) < latestVersion.Version);
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if (outOfDateHosts.Count() == hosts.Count)
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alert.IncludeConnection(xc);
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else
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alert.IncludeHosts(outOfDateHosts);
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}
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return alert;
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}
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|
|
|
public static void CheckServerVersion()
|
|
{
|
|
var alert = NewXenServerVersionAlert(XenServerVersionsForAutoCheck);
|
|
if (alert == null)
|
|
return;
|
|
|
|
CheckUpdate(alert);
|
|
}
|
|
|
|
public static void CheckServerPatches()
|
|
{
|
|
var alerts = NewXenServerPatchAlerts(XenServerVersions, XenServerPatches);
|
|
if (alerts == null)
|
|
return;
|
|
|
|
foreach (var alert in alerts)
|
|
CheckUpdate(alert);
|
|
}
|
|
|
|
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()
|
|
{
|
|
foreach (IXenConnection _connection in ConnectionsManager.XenConnectionsCopy)
|
|
{
|
|
if (!AllowedToRestoreDismissedUpdates(_connection))
|
|
continue;
|
|
|
|
XenAPI.Pool pool = Helpers.GetPoolOfOne(_connection);
|
|
if (pool == null)
|
|
continue;
|
|
|
|
Dictionary<string, string> other_config = pool.other_config;
|
|
|
|
if (other_config.ContainsKey(IgnorePatchAction.IgnorePatchKey))
|
|
{
|
|
other_config.Remove(IgnorePatchAction.IgnorePatchKey);
|
|
}
|
|
if (other_config.ContainsKey(IgnoreServerAction.LAST_SEEN_SERVER_VERSION_KEY))
|
|
{
|
|
other_config.Remove(IgnoreServerAction.LAST_SEEN_SERVER_VERSION_KEY);
|
|
}
|
|
|
|
XenAPI.Pool.set_other_config(_connection.Session, pool.opaque_ref, other_config);
|
|
}
|
|
|
|
Properties.Settings.Default.LatestXenCenterSeen = "";
|
|
Settings.TrySaveSettings();
|
|
|
|
Updates.CheckForUpdates(true);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks the user has sufficient RBAC privileges to restore dismissed alerts on a given connection
|
|
/// </summary>
|
|
public static bool AllowedToRestoreDismissedUpdates(IXenConnection c)
|
|
{
|
|
if (c == null || c.Session == null)
|
|
return false;
|
|
|
|
if (c.Session.IsLocalSuperuser)
|
|
return true;
|
|
|
|
List<Role> rolesAbleToCompleteAction = Role.ValidRoleList("Pool.set_other_config", c);
|
|
foreach (Role possibleRole in rolesAbleToCompleteAction)
|
|
{
|
|
if (c.Session.Roles.Contains(possibleRole))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|