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ae22560ce8
prevent them from being serialised alongside the API properties. This will also be useful for moving the API bindings out of XenModel. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
101 lines
4.2 KiB
C#
101 lines
4.2 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.Collections.Generic;
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using XenAdmin.Core;
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using XenAPI;
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namespace XenAdmin.Wizards.PatchingWizard.PlanActions
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{
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public class EvacuateHostPlanAction : PlanActionWithSession, IAvoidRestartHostsAware
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{
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private readonly XenRef<Host> _host;
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private readonly Host currentHost;
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public List<string> AvoidRestartHosts { private get; set; }
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public EvacuateHostPlanAction(Host host)
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: base(host.Connection, string.Format(Messages.PLANACTION_VMS_MIGRATING, host.Name()))
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{
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base.TitlePlan = string.Format(Messages.MIGRATE_VMS_OFF_SERVER, host.Name());
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this._host = new XenRef<Host>(host);
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currentHost = host;
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visible = false;
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}
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protected override Host CurrentHost
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{
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get { return currentHost; }
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}
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protected override void RunWithSession(ref Session session)
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{
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Host hostObject = TryResolveWithTimeout(_host);
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// If there are no patches that require reboot, we skip the evacuate-reboot-bringbabiesback sequence
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// But we only do this if we indicated that host restart should be avoided (by initializing the AvoidRestartHosts property)
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if (Helpers.ElyOrGreater(hostObject) && AvoidRestartHosts != null)
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{
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log.DebugFormat("Checking host.patches_requiring_reboot now on '{0}'...", hostObject);
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if (hostObject.updates_requiring_reboot.Count > 0)
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{
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AvoidRestartHosts.Remove(hostObject.uuid);
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log.DebugFormat("Restart is needed now (hostObject.updates_requiring_reboot has {0} items in it). Evacuating now. Will restart after.", hostObject.updates_requiring_reboot.Count);
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}
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else
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{
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if (!AvoidRestartHosts.Contains(hostObject.uuid))
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AvoidRestartHosts.Add(hostObject.uuid);
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log.Debug("Will skip scheduled restart (livepatching succeeded), because hostObject.patches_requiring_reboot is empty.");
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return;
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}
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}
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visible = true;
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PBD.CheckAndPlugPBDsFor(Connection.ResolveAll(hostObject.resident_VMs));
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log.DebugFormat("Disabling host {0}", hostObject.Name());
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Host.disable(session, _host.opaque_ref);
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Status = Messages.PLAN_ACTION_STATUS_MIGRATING_VMS_FROM_HOST;
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log.DebugFormat("Migrating VMs from host {0}", hostObject.Name());
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XenRef<Task> task = Host.async_evacuate(session, _host.opaque_ref);
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PollTaskForResultAndDestroy(Connection, ref session, task);
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}
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}
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}
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