xenadmin/XenModel/Actions/HealthCheck/TransferHealthCheckSettingAction.cs
Konstantina Chremmou ae22560ce8 Converted all extension get properties of the API classes to methods in order to
prevent them from being serialised alongside the API properties. This will also
be useful for moving the API bindings out of XenModel.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2017-09-03 03:35:30 +01:00

135 lines
5.3 KiB
C#
Executable File

/* 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 XenAPI;
using XenAdmin.Core;
using System;
using System.IO.Pipes;
using System.Text;
using System.ServiceProcess;
using XenAdmin.Model;
using XenAdmin.Network;
namespace XenAdmin.Actions
{
public abstract class TransferDataToHealthCheckAction : PureAsyncAction
{
protected const char SEPARATOR = '\x202f'; // narrow non-breaking space.
private const string HEALTHCHECKSERVICENAME = "XenServerHealthCheck";
public TransferDataToHealthCheckAction(IXenConnection connection, string title, string description, bool suppressHistory)
: base(connection, title, description, suppressHistory)
{
}
protected override void Run()
{
var message = GetMessageToBeSent();
SendMessageToHealthCheck(message);
}
protected abstract string GetMessageToBeSent();
private void SendMessageToHealthCheck(string message)
{
if (string.IsNullOrEmpty(message))
return;
ServiceController sc = new ServiceController(HEALTHCHECKSERVICENAME);
try
{
if (sc.Status != ServiceControllerStatus.Running)
return;
}
catch
{
return;
}
NamedPipeClientStream pipeClient = new NamedPipeClientStream(".", HealthCheckSettings.HEALTH_CHECK_PIPE, PipeDirection.Out);
int retryCount = 120;
do
{
try
{
pipeClient.Connect(0);
}
catch (System.TimeoutException exp)
{
throw exp;
}
catch
{
System.Threading.Thread.Sleep(1000);
pipeClient = new NamedPipeClientStream(".", HealthCheckSettings.HEALTH_CHECK_PIPE, PipeDirection.Out);
}
} while (!pipeClient.IsConnected && retryCount-- != 0);
var bytes = Encoding.UTF8.GetBytes(message);
pipeClient.Write(bytes, 0, bytes.Length);
pipeClient.Write(Encoding.UTF8.GetBytes(HealthCheckSettings.HEALTH_CHECK_PIPE_END_MESSAGE), 0, HealthCheckSettings.HEALTH_CHECK_PIPE_END_MESSAGE.Length);
pipeClient.Close();
}
}
public class TransferHealthCheckSettingsAction : TransferDataToHealthCheckAction
{
private readonly Pool pool;
HealthCheckSettings healthCheckSettings;
string username;
string password;
public TransferHealthCheckSettingsAction(Pool pool, HealthCheckSettings healthCheckSettings, string username, string password, bool suppressHistory)
: base(pool.Connection, Messages.ACTION_TRANSFER_HEALTHCHECK_SETTINGS, string.Format(Messages.ACTION_TRANSFER_HEALTHCHECK_SETTINGS, pool.Name()), suppressHistory)
{
this.pool = pool;
this.healthCheckSettings = healthCheckSettings;
this.username = username;
this.password = password;
}
protected override string GetMessageToBeSent()
{
var host = Helpers.GetMaster(pool.Connection);
if (host == null)
return null;
if (healthCheckSettings.Status == HealthCheckStatus.Enabled && (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password)))
return null; // do not send empty/null username or password (when the Health Check is enabled), as they will be ignored
var credential = healthCheckSettings.Status == HealthCheckStatus.Enabled
? String.Join(SEPARATOR.ToString(), host.address, username, password)
: String.Join(SEPARATOR.ToString(), host.address);
return EncryptionUtils.ProtectForLocalMachine(credential);
}
}
}