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 *     following disclaimer. 
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using System.Linq;
using XenAPI;

namespace XenAdmin.Actions
{
    public class DisableClusteringAction : AsyncAction
    {
        public DisableClusteringAction(Pool pool)
            : base(pool.Connection, Messages.DISABLE_CLUSTERING_ON_POOL,
            string.Format(Messages.DISABLING_CLUSTERING_ON_POOL, pool.Name()), true)
        {
            #region RBAC Dependencies
            ApiMethodsToRoleCheck.Add("cluster.pool_destroy");
            ApiMethodsToRoleCheck.Add("pif.set_disallow_unplug");
            #endregion
        }

        protected override void Run()
        {
            var existingCluster = Connection.Cache.Clusters.FirstOrDefault();
            if (existingCluster != null)
            {
                Cluster.pool_destroy(Session, existingCluster.opaque_ref);
                var clusterHosts = Connection.ResolveAll(existingCluster.cluster_hosts);

                foreach (var clusterHost in clusterHosts)
                {
                    PIF.set_disallow_unplug(Session, clusterHost.PIF.opaque_ref, false);
                }
            }
            Description = string.Format(Messages.DISABLED_CLUSTERING_ON_POOL, Pool.Name());
        }
    }
}