#2 Remove unnecessary driver state.

src/NomadIIS/Services/Grpc/DriverService.cs

@@ -116,17 +116,14 @@ public override async Task<StartTaskResponse> StartTask ( StartTaskRequest reque
 
  try
  {
- var state = await handle.RunAsync( _logger, task );
-
- var driverState = MessagePackSerializer.Serialize( state );
+ await handle.RunAsync( _logger, task );
 
  return new StartTaskResponse()
  {
  Handle = new TaskHandle()
  {
  State = TaskState.Running,
  Config = task,
- DriverState = ByteString.CopyFrom( driverState ),
  Version = 1 // Driver State Version
  },
  Result = StartTaskResponse.Types.Result.Success
@@ -249,26 +246,10 @@ public override Task<RecoverTaskResponse> RecoverTask ( RecoverTaskRequest reque
  {
  _logger.LogDebug( nameof( RecoverTask ) );
 
- var driverState = request.Handle.DriverState;
- if ( driverState is not null )
- {
- if ( request.Handle.Version != 1 )
- throw new NotSupportedException( $"Unsupported driver state version {request.Handle.Version}." );
-
- // TODOPEI
- /*
- 13:24:09 [] ERR Grpc.AspNetCore.Server.ServerCallHandler: Error when executing service method 'RecoverTask'.
- MessagePack.MessagePackSerializationException: Failed to deserialize TaskDriver.Services.IisTaskHandleState value.
- ---> System.IO.EndOfStreamException: Attempted to read past the end of the stream.
- */
-
- var state = MessagePackSerializer.Deserialize<IisTaskHandleState>( driverState.Memory );
+ var handle = _managementService.CreateHandle( request.TaskId );
 
- var handle = _managementService.CreateHandle( request.TaskId );
-
- if ( handle is not null )
- handle.RecoverState( request, state );
- }
+ if ( handle is not null )
+ handle.RecoverState( request );
 
  return Task.FromResult( new RecoverTaskResponse() );
  }

src/NomadIIS/Services/IisTaskHandle.cs

@@ -32,14 +32,14 @@ internal IisTaskHandle ( ManagementService owner, string taskId )
 
  public string TaskId { get; }
 
- public async Task<IisTaskHandleState> RunAsync ( ILogger<DriverService> logger, TaskConfig task )
+ public async Task RunAsync ( ILogger<DriverService> logger, TaskConfig task )
  {
  _taskConfig = task;
  _startDate = DateTime.UtcNow;
 
  var ports = task.Resources.Ports;
 
- _appPoolName = $"nomad-{Guid.NewGuid():N}";
+ _appPoolName = GetAppPoolName( task );
  _websiteName = _appPoolName;
 
  var config = task.MsgpackDriverConfig.DecodeAsTaskConfig();
@@ -150,12 +150,6 @@ await _owner.LockAsync( serverManager =>
 
  await SendTaskEventAsync( $"Application started, Name: {_appPoolName}" );
 
- return new IisTaskHandleState()
- {
- AppPoolName = _appPoolName,
- WebsiteName = _websiteName
- };
-
  void AddEnvironmentVariable( ConfigurationElementCollection envVarsCollection, string key, string value )
  {
  if ( !string.IsNullOrEmpty( key ) && !string.IsNullOrEmpty( value ) )
@@ -214,12 +208,11 @@ public async Task DestroyAsync ( ILogger<DriverService> logger )
  await StopAsync( logger );
  }
 
- public void RecoverState ( RecoverTaskRequest request, IisTaskHandleState state )
+ public void RecoverState ( RecoverTaskRequest request )
  {
  _taskConfig = request.Handle.Config;
- _appPoolName = state.AppPoolName;
- _websiteName = state.WebsiteName;
- _startDate = state.StartDate;
+ _appPoolName = GetAppPoolName( request.Handle.Config );
+ _websiteName = _appPoolName;
  }
 
  public async Task SignalAsync ( ILogger<DriverService> logger, string signal )
@@ -352,6 +345,9 @@ public void Dispose ()
  _owner.Delete( this );
  }
 
+ private static string GetAppPoolName ( TaskConfig taskConfig )
+ => $"{taskConfig.AllocId}-{taskConfig.Name}";
+
  private ApplicationPool GetApplicationPool ( ServerManager serverManager )
  => FindApplicationPool( serverManager ) ?? throw new KeyNotFoundException( $"No AppPool with name {_appPoolName} found." );
  private ApplicationPool? FindApplicationPool ( ServerManager serverManager )