1
0
mirror of https://github.com/xcp-ng/xenadmin.git synced 2024-12-28 14:55:27 +01:00
xenadmin/XenAdmin/Diagnostics/Checks/DR/ExistingVmApplianceCheck.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

114 lines
4.6 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.Collections.Generic;
using System.Linq;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Diagnostics.Problems.VmApplianceProblem;
using XenAPI;
namespace XenAdmin.Diagnostics.Checks.DR
{
public class ExistingVmApplianceCheck: PoolCheck
{
private readonly VM_appliance applianceToRecover;
private readonly List<VM> vmsToRecover;
/// <summary>
/// Check if an appliance exists in specified pool.
/// </summary>
/// <param name="vmAppliance">the appliance</param>
/// <param name="vms">vms in this appliance</param>
/// <param name="pool">the pool on which to check if the specified appliance exists</param>
public ExistingVmApplianceCheck(VM_appliance vmAppliance, List<VM> vms, Pool pool)
: base (pool)
{
applianceToRecover = vmAppliance;
vmsToRecover = vms;
}
protected override Problem RunCheck()
{
if (applianceToRecover != null)
{
// if its VMs have version >= the version in the metadata import, then the used must destroy the VMs first
var vmsToDestroy = new List<VM>();
foreach (VM vmToRecover in vmsToRecover)
{
var vmToDestroy = NewerVm(vmToRecover);
if (vmToDestroy != null)
vmsToDestroy.Add(vmToDestroy);
}
if (vmsToDestroy.Count > 0)
return new ExistingVmApplianceProblem(this, applianceToRecover, vmsToDestroy);
foreach (VM_appliance appliance in Pool.Connection.Cache.VM_appliances)
{
if (appliance.uuid == applianceToRecover.uuid)
{
// if the existing appliance is currently running, then the user must force shutdown this appliance first
if (appliance.IsRunning)
return new RunningVmApplianceProblem(this, appliance, true);
// warn the user that the existing appliance will be replaced (but we still need to delete the appliance before recovery)
return new ExistingVmApplianceWarning(this, appliance);
}
}
}
return null;
}
private VM NewerVm(VM vmToRecover)
{
foreach (VM existingVm in Pool.Connection.Cache.VMs)
{
if (existingVm.uuid == vmToRecover.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 >= vmToRecover.version)
return existingVm;
break;
}
}
return null;
}
public override string Description
{
get
{
return string.Format(Messages.DR_WIZARD_APPLIANCE_CHECK_DESCRIPTION, applianceToRecover.Name);
}
}
}
}