protected override void Run()
{
foreach (var pif in Connection.ResolveAll(network.PIFs))
{
PIF.set_disallow_unplug(Session, pif.opaque_ref, true);
}
var cluster = new Cluster(); // this Cluster object is only used for getting the default values for token_timeout and token_timeout_coefficient
Cluster.pool_create(Session, network.opaque_ref, "corosync", cluster.token_timeout, cluster.token_timeout_coefficient);
Description = string.Format(Messages.ENABLED_CLUSTERING_ON_POOL, Pool.Name());
}
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());
}
protected override void Run()
{
var existingCluster = Connection.Cache.Clusters.FirstOrDefault();
if (existingCluster != null)
{
Cluster.pool_destroy(Session, existingCluster.opaque_ref);
var network = Connection.Resolve(existingCluster.network);
if (network != null)
{
foreach (var pif in Connection.ResolveAll(network.PIFs))
{
PIF.set_disallow_unplug(Session, pif.opaque_ref, false);
}
}
}
Description = string.Format(Messages.DISABLED_CLUSTERING_ON_POOL, Pool.Name());
}
/// <summary>
/// Enable clustering on the host (if the network is used by clustering), after the management interface has been changed;
/// After enabling clustering we also plug back all the GFS2 SRs that we unplugged
/// </summary>
private void EnableClustering(PIF pif, List <PBD> gfs2Pbds)
{
var isUsedByClustering = Connection.Cache.Clusters.Any(cluster => cluster.network.opaque_ref == pif.network.opaque_ref);
if (!isUsedByClustering)
{
return;
}
var host = Connection.Resolve(pif.host);
if (host == null)
{
return;
}
var clusterHost = Connection.Cache.Cluster_hosts.FirstOrDefault(c => c.host.opaque_ref == host.opaque_ref);
if (clusterHost == null)
{
return;
}
Description = string.Format(Messages.ENABLING_CLUSTERING_ON_POOL, host.Name());
log.Debug(Description);
PIF.set_disallow_unplug(Session, pif.opaque_ref, true);
Cluster_host.enable(Session, clusterHost.opaque_ref);
// plug the GFS2 SRs
foreach (var pbd in gfs2Pbds.Where(pbd => !pbd.currently_attached))
{
var sr = Connection.Resolve(pbd.SR);
if (sr != null)
{
Description = string.Format(Messages.ACTION_SR_ATTACHING_TITLE, sr.Name(), host.Name());
}
PBD.plug(Session, pbd.opaque_ref);
}
}
