xenadmin/XenModel/Actions/Host/DisableHostAction.cs

/* 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 XenAdmin.Core;
using XenAPI;


namespace XenAdmin.Actions
{
    public class DisableHostAction:AsyncAction
    {
        public DisableHostAction(Host host):base(host.Connection,Messages.HOST_DISABLE)
        {
            Host = host;
            AddCommonAPIMethodsToRoleCheck();
            ApiMethodsToRoleCheck.Add("host.remove_from_other_config");
            ApiMethodsToRoleCheck.Add("host.disable");
        }

        protected override void Run()
        {
            this.Description = String.Format(Messages.HOSTACTION_EVACUATING, Helpers.GetName(Host));
            
            try
            {
                RelatedTask = XenAPI.Host.async_disable(Session, Host.opaque_ref);
                PollToCompletion();
            }
            catch
            {
                XenAPI.Host.remove_from_other_config(Session, Host.opaque_ref, XenAPI.Host.MAINTENANCE_MODE);
                throw;
            }

            this.Description = String.Format(Messages.HOSTACTION_EVACUATED, Helpers.GetName(Host)); ;
        }
    }
}