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xenadmin/XenAdmin/Diagnostics/Checks/DR/ExistingVmCheck.cs
Mihaela Stoica fcee4d8876 CA-77990: Report required actions for all VMs at once in the hotfix wizard / RPUW ()
* CA-77990: Report required actions for all VMs at once in the hotfix wizard / RPUW

* CA-77990: Resolve precheck problems in parallel in the Patching wizard

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>

* CA-77990: Resolve precheck problems in parallel in the Patching wizard

Changes following code review: Made the ParallelAction work across connections and removed CrossConnectionParallelAction

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>

* CA-77990: Modified ParallelAction to create queue on RunSubActions only, with the correct queue size

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
2016-06-07 17:40:59 +01:00

91 lines
3.5 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 XenAdmin.Diagnostics.Problems;
using XenAdmin.Diagnostics.Problems.VMProblem;
using XenAPI;
namespace XenAdmin.Diagnostics.Checks.DR
{
public class ExistingVmCheck: PoolCheck
{
private readonly VM Vm;
/// <summary>
/// Check if the specified VM exists and is running on specified pool.
/// </summary>
/// <param name="vm">the VM for which to check the running state</param>
/// <param name="pool">the pool on which to check if the specified VM exists and is running</param>
public ExistingVmCheck(VM vm, Pool pool)
: base (pool)
{
Vm = vm;
}
protected override Problem RunCheck()
{
foreach (VM existingVm in Pool.Connection.Cache.VMs)
{
if (existingVm.uuid == Vm.uuid)
{
// if the existing VM's version is >= the version in the metadata import, then the used must destroy the VM first
if (existingVm.version >= Vm.version)
return new ExistingVmProblem(this, existingVm);
// if the existing VM is currently running, then the user must force shutdown this VM first
if (VmIsRunning(existingVm))
return new RunningVMProblem(this, existingVm, true);
// warn the user that the existing VM will be replaced
return new ExistingVmWarning(this, existingVm);
}
}
return null;
}
private bool VmIsRunning(VM vm)
{
return vm.power_state == vm_power_state.Running
|| vm.power_state == vm_power_state.Paused
|| vm.power_state == vm_power_state.Suspended;
}
public override string Description
{
get
{
return string.Format(Messages.DR_WIZARD_VM_CHECK_DESCRIPTION, Vm.Name);
}
}
}
}