/// <summary>
/// Performs execution of the command
/// </summary>
protected override void ProcessRecord()
{
try
{
CreateVolumeInput input = new CreateVolumeInput();
input.Name = Name;
input.NPodGuid = NPod.Guid;
input.SizeBytes = SizeBytes;
input.Mirrored = Mirrored.IsPresent;
input.OwnerSpuSerial = OwnerSpuSerial;
input.BackupSpuSerial = BackupSpuSerial;
input.Force = Force.IsPresent;
Volume volume = Connection.CreateVolume(input);
WriteObject(volume);
}
catch (AggregateException exceptions)
{
foreach (Exception ex in exceptions.InnerExceptions)
{
WriteError(ex);
}
}
catch (Exception ex)
{
WriteError(ex);
}
}
/// <summary>
/// Allows creation of a new volume
/// </summary>
/// <param name="input">
/// Configuration definition for the new volume
/// </param>
/// <returns>The created volume</returns>
public Volume CreateVolume(CreateVolumeInput input)
{
// setup parameters
GraphQLParameters parameters = new GraphQLParameters();
parameters.Add("input", input);
TokenResponse tokenResponse = RunMutation <TokenResponse>(
@"createVolumeV3", parameters);
RecipeRecordIdentifier identifier = DeliverTokenV2(tokenResponse);
if (identifier == null)
{
throw new Exception("Uncomprehensive information returned from server");
}
// wait for recipe completion
DateTime start = DateTime.UtcNow;
// recipe filter
NPodRecipeFilter filter = new NPodRecipeFilter();
filter.NPodGuid = identifier.NPodGuid;
filter.RecipeGuid = identifier.RecipeGuid;
while (true)
{
Thread.Sleep(1000);
// query for recipes
RecipeRecordList recipes = GetNPodRecipes(filter);
// if there is no record in the cloud wait a few more seconds
// this case should not exist. TODO: Remove in next version.
if (recipes.Items.Length == 0)
{
continue;
}
// based on the query there should be exactly one
RecipeRecord recipe = recipes.Items[0];
// execution failed
if (recipe.State == RecipeState.Failed)
{
string error = string.Concat("volume creation failed", recipe.Status);
throw new Exception(error);
}
// execution completed
if (recipe.State == RecipeState.Completed)
{
VolumeFilter volumeFilter = new VolumeFilter();
volumeFilter.Guid = new GuidFilter();
volumeFilter.Guid.MustEqual = tokenResponse.WaitOn;
VolumeList list = GetVolumes(null, volumeFilter, null);
if (list.FilteredCount >= 0)
{
return(list.Items[0]);
}
}
// still ongoing
double duration = (DateTime.UtcNow - start).TotalSeconds;
double timeRemaining = NPOD_CREATE_WAITTIME_SEC - duration;
if (timeRemaining <= 0)
{
throw new Exception("Snapshot creation timed out");
}
}
}
