/// <summary>
/// Allows creation of a new LUN
///
/// <para>
/// Allows the creation of a LUN for a volume.A LUN is an instance of a
/// volume export that makes a volume accessible to a host.
/// </para>
/// <para>
/// At least one host must be specified via <c>HostGuids</c> or
/// <c>SpuSerials</c> - either one option must be specified but not
/// both. If the <c>Locak</c> option is provided and set to <c>true</c>
/// then the volume will be exported with ALUA, otherwise with ALUA
/// turned off.
/// </para>
/// </summary>
/// <param name="input">
/// An input definition for the new LUN. Review the CreateLunInput
/// properties for configuration details
/// </param>
/// <returns>The new LUN if successful</returns>
public Lun CreateLun(CreateLunInput input)
{
GraphQLParameters parameters = new GraphQLParameters();
parameters.Add(@"input", input);
TokenResponse token = RunMutation <TokenResponse>(@"createLUN", parameters);
if (!DeliverToken(token))
{
throw new Exception("Token delivery failed");
}
// wait until the new LUN is reporting in nebulon ON
Thread.Sleep(TOKEN_WAITTIME_MS);
// Query for LUN
LunFilter filter = new LunFilter();
filter.LunGuid = new GuidFilter();
filter.LunGuid.MustEqual = token.WaitOn;
LunList lunList = GetLuns(null, filter, null);
if (lunList.FilteredCount != 1)
{
throw new Exception("Unexpected number of results returned");
}
return(lunList.Items[0]);
}
/// <summary>
/// Retrieves a list of LUN objects
/// </summary>
/// <param name="page">
/// The requested page from the server. This is an optional
/// argument and if omitted the server will default to returning the
/// first page with a maximum of <c>100</c> items.
/// </param>
/// <param name="filter">
/// A filter object to filter the LUNs on the
/// server.If omitted, the server will return all objects as a
/// paginated response.
/// </param>
/// <param name="sort">
/// A sort definition object to sort the LUN objects
/// on supported properties.If omitted objects are returned in the
/// order as they were created in.
/// </param>
/// <returns>A paginated list of LUNs</returns>
public LunList GetLuns(
PageInput page = null,
LunFilter filter = null,
LunSort sort = null)
{
GraphQLParameters parameters = new GraphQLParameters();
parameters.Add("page", page, true);
parameters.Add("filter", filter, true);
parameters.Add("sort", sort, true);
// this should return exactly one item.
return(RunQuery <LunList>(@"getLUNs", parameters));
}
/// <summary>
/// Compiles a single filter from a list of filters by combining them
/// with a logical AND
/// </summary>
/// <param name="filters">
/// List of filters to combine
/// </param>
/// <returns></returns>
private LunFilter GenerateFilter(List <LunFilter> filters)
{
LunFilter result = null;
foreach (LunFilter filter in filters)
{
if (result == null)
{
result = filter;
continue;
}
filter.And = result;
result = filter;
}
return(result);
}
/// <summary>
/// Performs execution of the command
/// </summary>
protected override void ProcessRecord()
{
try
{
List <LunFilter> filters = new List <LunFilter>();
if (ParameterPresent("Guid"))
{
LunFilter f = new LunFilter();
f.LunGuid = new GuidFilter();
f.LunGuid.MustEqual = Guid;
filters.Add(f);
}
if (ParameterPresent("LunId"))
{
LunFilter f = new LunFilter();
f.LunId = new IntFilter();
f.LunId.MustEqual = LunId;
filters.Add(f);
}
if (ParameterPresent("Volume"))
{
LunFilter f = new LunFilter();
f.VolumeGuid = new GuidFilter();
f.VolumeGuid.MustEqual = Volume.Guid;
filters.Add(f);
}
if (ParameterPresent("NPod"))
{
LunFilter f = new LunFilter();
f.NPodGuid = new GuidFilter();
f.NPodGuid.MustEqual = NPod.Guid;
filters.Add(f);
}
if (ParameterPresent("Spu"))
{
LunFilter f = new LunFilter();
f.SpuSerial = new StringFilter();
f.SpuSerial.MustEqual = Spu.Serial;
filters.Add(f);
}
if (ParameterPresent("Server"))
{
LunFilter f = new LunFilter();
f.HostGuid = new GuidFilter();
f.HostGuid.MustEqual = Server.Guid;
filters.Add(f);
}
// convert to filter
LunFilter filter = GenerateFilter(filters);
PageInput page = PageInput.First;
LunList list = Connection.GetLuns(page, filter, null);
foreach (Lun item in list.Items)
{
WriteObject(item);
}
while (list.More)
{
// advance the page
page.Page = page.Page + 1;
list = Connection.GetLuns(page, filter, null);
foreach (Lun item in list.Items)
{
WriteObject(item);
}
}
}
catch (AggregateException exceptions)
{
foreach (Exception ex in exceptions.InnerExceptions)
{
WriteError(ex);
}
}
catch (Exception ex)
{
WriteError(ex);
}
}
