xenadmin/XenModel/Actions/VM/VMStartAction.cs
Gabor Apati-Nagy 7c0bc50b4a CA-176169: Changed copyright statements to include the comma in Citrix Systems,
Inc.

Signed-off-by: Gabor Apati-Nagy<gabor.apati-nagy@citrix.com>
2017-01-16 19:59:50 +00:00

302 lines
11 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System;
using XenAPI;
using XenAdmin.Core;
namespace XenAdmin.Actions.VMActions
{
public abstract class VMStartAbstractAction : AsyncAction
{
protected Action<VM, bool> _WarningDialogHAInvalidConfig;
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
protected Action<VMStartAbstractAction, Failure> _StartDiagnosisForm;
protected VMStartAbstractAction(VM vm, string title, Action<VM, bool> warningDialogHAInvalidConfig, Action<VMStartAbstractAction, Failure> startDiagnosisForm)
: base(vm.Connection, title)
{
this.Description = Messages.ACTION_PREPARING;
this.VM = vm;
_WarningDialogHAInvalidConfig = warningDialogHAInvalidConfig;
_StartDiagnosisForm = startDiagnosisForm;
this.Host = vm.Home();
this.Pool = Core.Helpers.GetPool(vm.Connection);
AddCommonAPIMethodsToRoleCheck();
}
#region Helpers
public abstract bool IsStart { get; }
protected abstract void DoAction(int start, int end);
/// <summary>
/// Starts or resumes the given VM, updating the given AsyncAction. If appropriate, also enables HA protection and does a pool db sync.
/// </summary>
/// <param name="action"></param>
/// <param name="vm"></param>
/// <param name="host">May be null if the action is not a ResumeOn/StartOn.</param>
/// <param name="start"></param>
/// <param name="end"></param>
protected void StartOrResumeVmWithHa(int start, int end)
{
try
{
Pool pool = Helpers.GetPoolOfOne(VM.Connection);
if (pool != null && pool.ha_enabled && VM.HaPriorityIsRestart())
{
try
{
XenAPI.VM.assert_agile(Session, VM.opaque_ref);
}
catch (Failure exn)
{
// VM is not agile, but it is 'Protected' by HA. This is an inconsistent state (see CA-20820).
// Warn the user about this and ask if they wish to fix it.
log.Debug("VM is not agile, but protected", exn);
_WarningDialogHAInvalidConfig(VM,IsStart);
new HAUnprotectVMAction(VM).RunExternal(Session);
}
}
DoAction(start, end);
}
catch (Failure f)
{
_StartDiagnosisForm(this, f);
throw;
}
}
public abstract VMStartAbstractAction Clone();
#endregion
}
public class VMStartAction : VMStartAbstractAction
{
public VMStartAction(VM vm, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction,Failure> startDiagnosticForm)
: base(vm, string.Format(Messages.ACTION_VM_STARTING_TITLE, vm.Name), warningDialogHAInvalidConfig, startDiagnosticForm)
{
ApiMethodsToRoleCheck.Add("vm.start");
}
public override bool IsStart
{
get { return true; }
}
protected override void Run()
{
this.Description = Messages.ACTION_VM_STARTING;
StartOrResumeVmWithHa(0, 100);
this.Description = Messages.ACTION_VM_STARTED;
}
protected override void DoAction(int start, int end)
{
RelatedTask = XenAPI.VM.async_start(Session, VM.opaque_ref, false, false);
PollToCompletion(start, end);
}
public override VMStartAbstractAction Clone()
{
return new VMStartAction(VM, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
}
}
public class VMStartOnAction : VMStartAbstractAction
{
public VMStartOnAction(VM vm, Host hostToStart, Action<VM, bool> warningDialogHAInvalidConfig, Action<VMStartAbstractAction, Failure> startDiagnosticForm)
: base(vm, string.Format(Messages.ACTION_VM_STARTING_ON_TITLE, vm.Name, hostToStart.Name),warningDialogHAInvalidConfig,startDiagnosticForm)
{
Host = hostToStart;
ApiMethodsToRoleCheck.Add("vm.start_on");
}
public override bool IsStart
{
get { return true; }
}
protected override void Run()
{
this.Description = Messages.ACTION_VM_STARTING;
StartOrResumeVmWithHa(0, 100);
this.Description = Messages.ACTION_VM_STARTED;
}
protected override void DoAction(int start, int end)
{
RelatedTask = XenAPI.VM.async_start_on(Session, VM.opaque_ref, Host.opaque_ref, false, false);
PollToCompletion(start, end);
}
public override VMStartAbstractAction Clone()
{
return new VMStartOnAction(VM, Host, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
}
}
public class VMResumeAction : VMStartAbstractAction
{
public VMResumeAction(VM vm, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction, Failure> startDiagnosticForm)
: base(vm,string.Format(Messages.ACTION_VM_RESUMING_TITLE, vm.Name),warningDialogHAInvalidConfig,startDiagnosticForm)
{
ApiMethodsToRoleCheck.Add("vm.resume");
}
public override bool IsStart
{
get { return false; }
}
protected override void Run()
{
this.Description = Messages.ACTION_VM_RESUMING;
StartOrResumeVmWithHa(0, 100);
this.Description = Messages.ACTION_VM_RESUMED;
}
protected override void DoAction(int start, int end)
{
RelatedTask = XenAPI.VM.async_resume(Session, VM.opaque_ref, false, false);
PollToCompletion(start, end);
}
public override VMStartAbstractAction Clone()
{
return new VMResumeAction(VM, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
}
}
public class VMResumeOnAction : VMStartAbstractAction
{
public VMResumeOnAction(VM vm, Host hostToStart, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction, Failure> startDiagnosticForm)
: base(vm, string.Format(Messages.ACTION_VM_RESUMING_ON_TITLE, vm.Name, hostToStart.Name), warningDialogHAInvalidConfig,startDiagnosticForm)
{
Host = hostToStart;
ApiMethodsToRoleCheck.Add("vm.resume_on");
}
public override bool IsStart
{
get { return false; }
}
protected override void Run()
{
this.Description = Messages.ACTION_VM_RESUMING;
StartOrResumeVmWithHa(0, 100);
this.Description = Messages.ACTION_VM_RESUMED;
}
protected override void DoAction(int start, int end)
{
RelatedTask = XenAPI.VM.async_resume_on(Session, VM.opaque_ref, Host.opaque_ref, false, false);
PollToCompletion(start, end);
}
public override VMStartAbstractAction Clone()
{
return new VMResumeOnAction(VM, Host, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
}
}
public class VMStartPausedAction : VMStartAbstractAction
{
public VMStartPausedAction(VM vm, Action<VM, bool> warningDialogHAInvalidConfig,Action<VMStartAbstractAction,Failure> startDiagnosticForm)
: base(vm, string.Format(Messages.ACTION_VM_STARTING_PAUSED_TITLE, vm.Name), warningDialogHAInvalidConfig, startDiagnosticForm)
{
ApiMethodsToRoleCheck.Add("vm.start");
}
public override bool IsStart
{
get { return true; }
}
protected override void Run()
{
this.Description = Messages.ACTION_VM_STARTING_PAUSED;
StartOrResumeVmWithHa(0, 100);
this.Description = Messages.ACTION_VM_STARTED_PAUSED;
}
protected override void DoAction(int start, int end)
{
RelatedTask = XenAPI.VM.async_start(Session, VM.opaque_ref, true, false);
PollToCompletion(start, end);
}
public override VMStartAbstractAction Clone()
{
return new VMStartPausedAction(VM, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
}
}
public class VMStartPausedOnAction : VMStartAbstractAction
{
public VMStartPausedOnAction(VM vm, Host hostToStart, Action<VM, bool> warningDialogHAInvalidConfig, Action<VMStartAbstractAction, Failure> startDiagnosticForm)
: base(vm, string.Format(Messages.ACTION_VM_STARTING_PAUSED_ON_TITLE, vm.Name, hostToStart.Name), warningDialogHAInvalidConfig, startDiagnosticForm)
{
Host = hostToStart;
ApiMethodsToRoleCheck.Add("vm.start_on");
}
public override bool IsStart
{
get { return true; }
}
protected override void Run()
{
this.Description = Messages.ACTION_VM_STARTING_PAUSED;
StartOrResumeVmWithHa(0, 100);
this.Description = Messages.ACTION_VM_STARTED_PAUSED;
}
protected override void DoAction(int start, int end)
{
RelatedTask = XenAPI.VM.async_start_on(Session, VM.opaque_ref, Host.opaque_ref, true, false);
PollToCompletion(start, end);
}
public override VMStartAbstractAction Clone()
{
return new VMStartPausedOnAction(VM, Host, _WarningDialogHAInvalidConfig, _StartDiagnosisForm);
}
}
}