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302 lines
11 KiB
C#
302 lines
11 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 XenAPI;
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using XenAdmin.Core;
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namespace XenAdmin.Actions.VMActions
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{
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public abstract class VMStartAbstractAction : AsyncAction
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{
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protected Action<VM, bool> _WarningDialogHAInvalidConfig;
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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protected Action<VMStartAbstractAction, Failure> _StartDiagnosisForm;
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protected VMStartAbstractAction(VM vm, string title, Action<VM, bool> warningDialogHAInvalidConfig, Action<VMStartAbstractAction, Failure> startDiagnosisForm)
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: base(vm.Connection, title)
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{
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this.Description = Messages.ACTION_PREPARING;
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this.VM = vm;
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_WarningDialogHAInvalidConfig = warningDialogHAInvalidConfig;
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_StartDiagnosisForm = startDiagnosisForm;
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this.Host = vm.Home();
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this.Pool = Core.Helpers.GetPool(vm.Connection);
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AddCommonAPIMethodsToRoleCheck();
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}
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#region Helpers
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public abstract bool IsStart { get; }
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protected abstract void DoAction(int start, int end);
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/// <summary>
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/// Starts or resumes the given VM, updating the given AsyncAction. If appropriate, also enables HA protection and does a pool db sync.
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/// </summary>
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/// <param name="action"></param>
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/// <param name="vm"></param>
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/// <param name="host">May be null if the action is not a ResumeOn/StartOn.</param>
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/// <param name="start"></param>
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/// <param name="end"></param>
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protected void StartOrResumeVmWithHa(int start, int end)
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{
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try
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{
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Pool pool = Helpers.GetPoolOfOne(VM.Connection);
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if (pool != null && pool.ha_enabled && VM.HaPriorityIsRestart())
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{
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try
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{
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XenAPI.VM.assert_agile(Session, VM.opaque_ref);
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}
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catch (Failure exn)
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{
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// VM is not agile, but it is 'Protected' by HA. This is an inconsistent state (see CA-20820).
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// Warn the user about this and ask if they wish to fix it.
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log.Debug("VM is not agile, but protected", exn);
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_WarningDialogHAInvalidConfig(VM,IsStart);
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new HAUnprotectVMAction(VM).RunExternal(Session);
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}
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}
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DoAction(start, end);
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}
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catch (Failure f)
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{
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_StartDiagnosisForm(this, f);
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throw;
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}
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}
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public abstract VMStartAbstractAction Clone();
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#endregion
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}
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public class VMStartAction : VMStartAbstractAction
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{
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public VMStartAction(VM vm, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction,Failure> startDiagnosticForm)
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: base(vm, string.Format(Messages.ACTION_VM_STARTING_TITLE, vm.Name), warningDialogHAInvalidConfig, startDiagnosticForm)
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{
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ApiMethodsToRoleCheck.Add("vm.start");
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}
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public override bool IsStart
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{
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get { return true; }
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}
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protected override void Run()
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{
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this.Description = Messages.ACTION_VM_STARTING;
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StartOrResumeVmWithHa(0, 100);
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this.Description = Messages.ACTION_VM_STARTED;
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}
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protected override void DoAction(int start, int end)
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{
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RelatedTask = XenAPI.VM.async_start(Session, VM.opaque_ref, false, false);
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PollToCompletion(start, end);
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}
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public override VMStartAbstractAction Clone()
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{
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return new VMStartAction(VM, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
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}
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}
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public class VMStartOnAction : VMStartAbstractAction
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{
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public VMStartOnAction(VM vm, Host hostToStart, Action<VM, bool> warningDialogHAInvalidConfig, Action<VMStartAbstractAction, Failure> startDiagnosticForm)
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: base(vm, string.Format(Messages.ACTION_VM_STARTING_ON_TITLE, vm.Name, hostToStart.Name),warningDialogHAInvalidConfig,startDiagnosticForm)
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{
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Host = hostToStart;
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ApiMethodsToRoleCheck.Add("vm.start_on");
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}
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public override bool IsStart
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{
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get { return true; }
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}
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protected override void Run()
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{
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this.Description = Messages.ACTION_VM_STARTING;
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StartOrResumeVmWithHa(0, 100);
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this.Description = Messages.ACTION_VM_STARTED;
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}
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protected override void DoAction(int start, int end)
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{
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RelatedTask = XenAPI.VM.async_start_on(Session, VM.opaque_ref, Host.opaque_ref, false, false);
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PollToCompletion(start, end);
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}
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public override VMStartAbstractAction Clone()
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{
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return new VMStartOnAction(VM, Host, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
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}
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}
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public class VMResumeAction : VMStartAbstractAction
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{
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public VMResumeAction(VM vm, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction, Failure> startDiagnosticForm)
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: base(vm,string.Format(Messages.ACTION_VM_RESUMING_TITLE, vm.Name),warningDialogHAInvalidConfig,startDiagnosticForm)
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{
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ApiMethodsToRoleCheck.Add("vm.resume");
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}
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public override bool IsStart
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{
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get { return false; }
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}
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protected override void Run()
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{
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this.Description = Messages.ACTION_VM_RESUMING;
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StartOrResumeVmWithHa(0, 100);
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this.Description = Messages.ACTION_VM_RESUMED;
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}
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protected override void DoAction(int start, int end)
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{
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RelatedTask = XenAPI.VM.async_resume(Session, VM.opaque_ref, false, false);
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PollToCompletion(start, end);
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}
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public override VMStartAbstractAction Clone()
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{
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return new VMResumeAction(VM, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
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}
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}
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public class VMResumeOnAction : VMStartAbstractAction
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{
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public VMResumeOnAction(VM vm, Host hostToStart, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction, Failure> startDiagnosticForm)
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: base(vm, string.Format(Messages.ACTION_VM_RESUMING_ON_TITLE, vm.Name, hostToStart.Name), warningDialogHAInvalidConfig,startDiagnosticForm)
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{
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Host = hostToStart;
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ApiMethodsToRoleCheck.Add("vm.resume_on");
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}
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public override bool IsStart
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{
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get { return false; }
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}
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protected override void Run()
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{
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this.Description = Messages.ACTION_VM_RESUMING;
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StartOrResumeVmWithHa(0, 100);
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this.Description = Messages.ACTION_VM_RESUMED;
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}
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protected override void DoAction(int start, int end)
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{
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RelatedTask = XenAPI.VM.async_resume_on(Session, VM.opaque_ref, Host.opaque_ref, false, false);
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PollToCompletion(start, end);
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}
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public override VMStartAbstractAction Clone()
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{
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return new VMResumeOnAction(VM, Host, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
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}
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}
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public class VMStartPausedAction : VMStartAbstractAction
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{
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public VMStartPausedAction(VM vm, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction,Failure> startDiagnosticForm)
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: base(vm, string.Format(Messages.ACTION_VM_STARTING_PAUSED_TITLE, vm.Name), warningDialogHAInvalidConfig, startDiagnosticForm)
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{
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ApiMethodsToRoleCheck.Add("vm.start");
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}
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public override bool IsStart
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{
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get { return true; }
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}
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protected override void Run()
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{
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this.Description = Messages.ACTION_VM_STARTING_PAUSED;
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StartOrResumeVmWithHa(0, 100);
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this.Description = Messages.ACTION_VM_STARTED_PAUSED;
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}
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protected override void DoAction(int start, int end)
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{
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RelatedTask = XenAPI.VM.async_start(Session, VM.opaque_ref, true, false);
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PollToCompletion(start, end);
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}
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public override VMStartAbstractAction Clone()
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{
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return new VMStartPausedAction(VM, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
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}
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}
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public class VMStartPausedOnAction : VMStartAbstractAction
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{
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public VMStartPausedOnAction(VM vm, Host hostToStart, Action<VM, bool> warningDialogHAInvalidConfig, Action<VMStartAbstractAction, Failure> startDiagnosticForm)
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: base(vm, string.Format(Messages.ACTION_VM_STARTING_PAUSED_ON_TITLE, vm.Name, hostToStart.Name), warningDialogHAInvalidConfig, startDiagnosticForm)
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{
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Host = hostToStart;
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ApiMethodsToRoleCheck.Add("vm.start_on");
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}
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public override bool IsStart
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{
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get { return true; }
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}
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protected override void Run()
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{
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this.Description = Messages.ACTION_VM_STARTING_PAUSED;
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StartOrResumeVmWithHa(0, 100);
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this.Description = Messages.ACTION_VM_STARTED_PAUSED;
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}
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protected override void DoAction(int start, int end)
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{
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RelatedTask = XenAPI.VM.async_start_on(Session, VM.opaque_ref, Host.opaque_ref, true, false);
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PollToCompletion(start, end);
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}
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public override VMStartAbstractAction Clone()
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{
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return new VMStartPausedOnAction(VM, Host, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
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}
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}
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}
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