/// <summary>
/// Establishes an SSH connection to the assocated XenServer.
/// </summary>
/// <returns>The connected <see cref="LinuxSshProxy"/>.</returns>
public LinuxSshProxy Connect()
{
var proxy = new LinuxSshProxy(Name, IPAddress.Parse(Address), SshCredentials.FromUserPassword(username, password));
proxy.Connect();
return(proxy);
}
/// <inheritdoc/>
public override string GetDataDisk(LinuxSshProxy node)
{
Covenant.Requires <ArgumentNullException>(node != null, nameof(node));
var unpartitonedDisks = node.ListUnpartitionedDisks();
if (unpartitonedDisks.Count() == 0)
{
return("PRIMARY");
}
Covenant.Assert(unpartitonedDisks.Count() == 1, "VMs are assumed to have no more than one attached data disk.");
return(unpartitonedDisks.Single());
}
/// <inheritdoc/> public abstract string GetDataDisk(LinuxSshProxy node);
/// <summary>
/// Constructor.
/// </summary>
/// <param name="nodeOrHost">The source node or vm host.</param>
/// <param name="metadata">The node metadata or <c>null</c>.</param>
public SetupNodeStatus(LinuxSshProxy nodeOrHost, object metadata)
{
Covenant.Requires <ArgumentNullException>(nodeOrHost != null, nameof(nodeOrHost));
Covenant.Requires <ArgumentNullException>(metadata != null, nameof(metadata));
this.isClone = false;
this.Name = nodeOrHost.Name;
this.Metadata = metadata;
this.Status = nodeOrHost.Status;
if (!nodeOrHost.IsInvolved)
{
this.stepState = SetupStepState.NotInvolved;
}
else
{
if (nodeOrHost.IsConfiguring)
{
this.stepState = SetupStepState.Running;
}
else if (nodeOrHost.IsReady)
{
this.stepState = SetupStepState.Done;
}
else if (nodeOrHost.IsFaulted)
{
this.stepState = SetupStepState.Failed;
}
else
{
this.stepState = SetupStepState.Pending;
}
}
// $hack(jefflill):
//
// This isn't super clean: we need to identify the role played
// by the node/host here. If [metadata] isn't NULL, we'll obtain
// the role from that. [metadata] will typically be NULL for
// virtual machine hosts so we'll use [NodeSshProxy.NodeRole]
// in those cases.
//
// A cleaner fix would be to ensure that [NodeSshProxy.NodeRole]
// is always set correctly.
var metadataType = metadata.GetType();
if (metadataType == typeof(NodeDefinition))
{
this.Role = ((NodeDefinition)metadata).Role;
}
else if (metadataType.Implements <IXenClient>())
{
this.Role = NodeRole.XenServer;
}
else
{
var nodeSshProxy = nodeOrHost as INodeSshProxy;
if (nodeSshProxy != null)
{
this.Role = nodeSshProxy.Role ?? string.Empty;
}
else
{
throw new NotImplementedException();
}
}
}