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https://github.com/xcp-ng/xenadmin.git
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a55d9d3edd
if they fail the user has no indication an error occurred. Also, simplified the logging and error handling within the action body: failures are logged anyway by the base class, so no special handling is necessary. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
112 lines
4.5 KiB
C#
112 lines
4.5 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.IO;
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using System.Linq;
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using System.Threading;
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using XenAdmin.Actions;
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using XenAdmin.Core;
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using XenAPI;
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namespace XenAdmin.Diagnostics.Hotfixing
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{
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internal class SingleHotfix : Hotfix
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{
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public override string UUID { get; set; }
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public override string Filename { get; set; }
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public sealed override void Apply(Host host, Session session)
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{
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bool elyOrGreater = Helpers.ElyOrGreater(host);
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if (elyOrGreater)
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UploadAndApplyUpdate(host, session);
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else
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UploadAndApplyPatch(host, session);
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IXenObject patch;
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int numberRetries = 0;
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do
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{
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Thread.Sleep(500);
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patch = elyOrGreater
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? (IXenObject)host.Connection.Cache.Find_By_Uuid<Pool_update>(UUID)
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: host.Connection.Cache.Find_By_Uuid<Pool_patch>(UUID);
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numberRetries++;
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} while (patch == null && numberRetries < 10);
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}
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private void UploadAndApplyPatch(Host host, Session session)
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{
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var patch = host.Connection.Cache.Find_By_Uuid<Pool_patch>(UUID);
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if (patch == null)
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{
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var master = Helpers.GetMaster(host.Connection);
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var filePath = Path.Combine(Program.AssemblyDir, String.Format("{0}.{1}", Filename, Branding.Update));
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var action = new UploadPatchAction(master.Connection, filePath, false, false);
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action.RunExternal(session);
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patch = action.Patch;
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}
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new ApplyPatchAction(patch, host).RunExternal(session);
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}
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private void UploadAndApplyUpdate(Host host, Session session)
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{
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var update = host.Connection.Cache.Find_By_Uuid<Pool_update>(UUID);
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if (update == null)
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{
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var master = Helpers.GetMaster(host.Connection);
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var filePath = Path.Combine(Program.AssemblyDir, String.Format("{0}.{1}", Filename, Branding.UpdateIso));
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var action = new UploadSupplementalPackAction(master.Connection, new List<Host> { master }, filePath, false);
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action.RunExternal(session);
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update = action.PoolUpdate;
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}
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new ApplyUpdateAction(update, host).RunExternal(session);
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}
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public override bool ShouldBeAppliedTo(Host host)
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{
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if (Helpers.ElyOrGreater(host))
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{
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var updates = host.Connection.ResolveAll(host.updates);
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return !updates.Any(update => UUID.ToLowerInvariant().Contains(update.uuid.ToLowerInvariant()));
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}
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var patches = host.Connection.ResolveAll(host.patches);
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var poolPatches = patches.Select(hostPatch => hostPatch.Connection.Resolve(hostPatch.pool_patch));
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return !poolPatches.Any(patch => UUID.ToLowerInvariant().Contains(patch.uuid.ToLowerInvariant()));
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}
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}
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}
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