xenadmin/XenModel/Actions/SupplementalPack/InstallSupplementalPackAction.cs

/* Copyright (c) Citrix Systems Inc. 
 * All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, 
 * with or without modification, are permitted provided 
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 * 
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 *     following disclaimer. 
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 *     following disclaimer in the documentation and/or other 
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 * 
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
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using System;
using System.Collections.Generic;
using XenAPI;


namespace XenAdmin.Actions
{
    public class InstallSupplementalPackAction: PureAsyncAction
    {
        private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        private Dictionary<Host, VDI> suppPackVdis;

        public InstallSupplementalPackAction(Dictionary<Host, VDI> suppPackVdis, bool suppressHistory)
            : base(null, string.Format(Messages.APPLYING_UPDATE, suppPackVdis.Count), suppressHistory)
        {
            this.suppPackVdis = suppPackVdis;
        }

        protected override void Run()
        {
            SafeToExit = false;
            foreach (var suppPackVdi in suppPackVdis)
            {
                InstallSuppPack(suppPackVdi.Key, suppPackVdi.Value);
            }
            if (suppPackVdis.Count > 1)
                Description = Messages.ALL_UPDATES_APPLIED;
        }

        private void InstallSuppPack(Host host, VDI vdi)
        {
            // Set the correct connection object, for RecomputeCanCancel
            Connection = host.Connection; 
            Session session = host.Connection.DuplicateSession();

            try
            {
                Description = String.Format(Messages.APPLYING_PATCH, vdi.Name, host.Name);
                Host.call_plugin(session, host.opaque_ref, "install-supp-pack", "install", new Dictionary<string, string> { { "vdi", vdi.uuid } });
                Description = String.Format(Messages.PATCH_APPLIED, vdi.Name, host.Name);
            }
            catch (Failure failure)
            {
                log.WarnFormat("Plugin call install-supp-pack.install({0}) on {1} failed with {2}", vdi.uuid, host.Name,
                               failure.Message);
                throw;
            }
            finally
            {
                Connection = null;
            }
        }

    }
}