public override async Task <ICommandResult> HandleAsync(ComponentTaskCancelCommand command, IAsyncCollector <ICommand> commandQueue, IDurableOrchestrationContext orchestrationContext, ILogger log)
{
if (command is null)
{
throw new ArgumentNullException(nameof(command));
}
if (commandQueue is null)
{
throw new ArgumentNullException(nameof(commandQueue));
}
var commandResult = command.CreateResult();
try
{
commandResult.Result = (await componentTaskRepository
.GetAsync(command.Payload.ComponentId, command.Payload.Id)
.ConfigureAwait(Orchestration)) ?? command.Payload;
if (commandResult.Result.Type != ComponentTaskType.Custom)
{
throw new Exception($"Component tasks of type '{commandResult.Result.TypeName}' cannot be canceled!");
}
else if (commandResult.Result.TaskState.IsFinal())
{
throw new Exception($"Component tasks in state '{commandResult.Result.TaskState}' cannot be canceled!");
}
else
{
var status = await orchestrationContext
.GetCommandStatusAsync(commandResult.Result, showInput : false)
.ConfigureAwait(Orchestration);
if (status is not null && status.RuntimeStatus.IsActive())
{
await orchestrationContext
.TerminateCommandAsync(commandResult.Result, $"Canceled by user {command.User.DisplayName}")
.ConfigureAwait(Orchestration);
}
if (AzureResourceIdentifier.TryParse(commandResult.Result.ResourceId, out var resourceId))
{
var containerGroup = await azureResourceService
.GetResourceAsync <AzureContainerGroupResource>(resourceId.ToString())
.ConfigureAwait(false);
if (containerGroup is not null)
{
await containerGroup
.DeleteAsync(true)
.ConfigureAwait(false);
}
}
commandResult.Result.TaskState = TaskState.Canceled;
commandResult.Result.Finished = DateTime.UtcNow;
commandResult.Result.ResourceId = null;
commandResult.Result = await componentTaskRepository
.SetAsync(commandResult.Result)
.ConfigureAwait(Orchestration);
}
commandResult.RuntimeStatus = CommandRuntimeStatus.Completed;
}
catch (Exception exc)
{
commandResult.Errors.Add(exc);
}
finally
{
await orchestrationContext
.CleanupResourceLocksAsync()
.ConfigureAwait(Orchestration);
}
return(commandResult);
}