xenadmin/XenAdmin/Diagnostics/Checks/HostMemoryPostUpgradeCheck.cs
Konstantina Chremmou 7aeb17272b CP-32844: Check and warn if legacy SSL mode is enabled when updating or upgrading a pool.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2020-02-27 09:29:40 +00:00

107 lines
4.8 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
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* 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,
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using System;
using System.Collections.Generic;
using XenAdmin.Core;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Diagnostics.Problems.HostProblem;
using XenAPI;
namespace XenAdmin.Diagnostics.Checks
{
class HostMemoryPostUpgradeCheck : HostPostLivenessCheck
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private readonly Dictionary<string, string> installMethodConfig;
public HostMemoryPostUpgradeCheck(Host host, Dictionary<string, string> installMethodConfig)
: base(host)
{
this.installMethodConfig = installMethodConfig;
}
public override string Description => Messages.CHECKING_HOST_MEMORY_POST_UPGRADE_DESCRIPTION;
protected override Problem RunHostCheck()
{
if (TryGetDom0MemoryPostUpgrade(out var dom0MemoryPostUpgrade))
{
var currentDom0Memory = Host.dom0_memory();
// we know the Dom0 memory after the upgrade, check if it will greater then the current value
if (dom0MemoryPostUpgrade > currentDom0Memory)
{
// add warning that the the Dom0 memory will be changed after the upgrade
return new HostMemoryPostUpgradeWarning(this, Host, dom0MemoryPostUpgrade);
}
}
else
{
if (Helpers.NaplesOrGreater(Host))
return null;
// we don't know the Dom0 memory after the upgrade, so add generic warning if upgrading from pre-Naples
string upgradePlatformVersion = null;
string upgradeProductVersion = null;
if (installMethodConfig != null)
Host.TryGetUpgradeVersion(Host, installMethodConfig, out upgradePlatformVersion, out upgradeProductVersion);
if (Helpers.NaplesOrGreater(upgradePlatformVersion))
{
// we know that they are upgrading to Naples or greater, so add specific warning
return new HostMemoryPostUpgradeWarning(this, Host, 0, upgradeProductVersion);
}
// we don't know the upgrade version, so add generic warning (this is the case of the manual upgrade or when the rpu plugin doesn't have the function)
return new HostMemoryPostUpgradeWarning(this, Host);
}
return null;
}
private bool TryGetDom0MemoryPostUpgrade(out long dom0MemoryAfterUpgrade)
{
dom0MemoryAfterUpgrade = 0;
try
{
var result = Host.call_plugin(Host.Connection.Session, Host.opaque_ref, "prepare_host_upgrade.py", "getDom0DefaultMemory", installMethodConfig);
return long.TryParse(result, out dom0MemoryAfterUpgrade);
}
catch (Exception exception)
{
var failure = exception as Failure;
log.WarnFormat("Plugin call prepare_host_upgrade.getDom0DefaultMemory on {0} failed with {1}({2})", Host.Name(), exception.Message, failure?.ErrorDescription.Count>3? failure.ErrorDescription[3]:"");
return false;
}
}
}
}