public ProcessSnapShot readProcessSanpShot(string processName, string processId)
{
ProcessSnapShot aux = null;
CloudTable table = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
TableOperation retrieveOperation = TableOperation.Retrieve <ProcessSnapShot>(processName, processId);
TableResult retrievedResult = table.Execute(retrieveOperation);
if (retrievedResult.Result != null)
{
aux = (ProcessSnapShot)retrievedResult.Result;
}
return(aux);
}
public void PersistProcessStatus(ProcessSnapShot processSnapshot)
{
try
{
CloudTable table = tableClient.GetTableReference(Configuration.ButlerWorkflowStatus);
TableOperation insertOperation = TableOperation.InsertOrReplace(processSnapshot);
table.CreateIfNotExists();
table.Execute(insertOperation);
}
catch (Exception X)
{
string txtMessage = string.Format("[{0}] Persist Process Status Error at process {1} instance {2}: error messagase {3}", this.GetType().FullName, processSnapshot.RowKey, processSnapshot.PartitionKey, X.Message);
Trace.TraceError(txtMessage);
throw new Exception(txtMessage);
}
}
public void PersistProcessStatus(ChainRequest request)
{
ProcessSnapShot mysh = new ProcessSnapShot(request.ProcessTypeId, request.ProcessInstanceId);
try
{
Newtonsoft.Json.JsonSerializerSettings x = new Newtonsoft.Json.JsonSerializerSettings();
x.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
mysh.jsonContext = Newtonsoft.Json.JsonConvert.SerializeObject(request, Newtonsoft.Json.Formatting.None, x);
mysh.CurrentStep = request.CurrentStepIndex;
PersistProcessStatus(mysh);
}
catch (Exception X)
{
string txtMessage = string.Format("[{0}] Persist Process Status Error at process {1} instance {2}: error messagase {3}", this.GetType().FullName, request.ProcessInstanceId, request.ProcessTypeId, X.Message);
Trace.TraceError(txtMessage);
throw new Exception(txtMessage);
}
}
/// <summary>
/// Send back to watcher a "Posion messsage" and delete from in queue
/// </summary>
/// <param name="poisonMessage">the poison message</param>
/// <returns>Sueccess or not</returns>
private bool SendPoisonMessage(CloudQueueMessage poisonMessage)
{
bool sw = false;
try
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(_Configuration.ProcessConfigConn);
CloudQueueClient queueClient = storageAccount.CreateCloudQueueClient();
CloudQueue poisonQueue = queueClient.GetQueueReference(_Configuration.poisonQueue);
poisonQueue.CreateIfNotExists();
Common.ResourceAccess.IButlerStorageManager storageManager = Common.ResourceAccess.BlobManagerFactory.CreateBlobManager(_Configuration.ProcessConfigConn);
//1. Create Butler Response
ButlerRequest myButlerRequest = Newtonsoft.Json.JsonConvert.DeserializeObject <ButlerRequest>(poisonMessage.AsString);
ButlerResponse myButlerResponse = new ButlerResponse();
myButlerResponse.MezzanineFiles = myButlerRequest.MezzanineFiles;
////Add to Mezzamine Files the control File URL if it exist
//Becouse it is needed to move/delete the control file from processing to succes or fail
if (!string.IsNullOrEmpty(myButlerRequest.ControlFileUri))
{
myButlerResponse.MezzanineFiles.Add(myButlerRequest.ControlFileUri);
}
myButlerResponse.TimeStampProcessingCompleted = DateTime.Now.ToString();
myButlerResponse.TimeStampProcessingStarted = DateTime.Now.ToString();
myButlerResponse.WorkflowName = myButlerRequest.WorkflowName;
myButlerResponse.MessageId = myButlerRequest.MessageId;
myButlerResponse.TimeStampRequestSubmitted = myButlerRequest.TimeStampUTC;
myButlerResponse.StorageConnectionString = myButlerRequest.StorageConnectionString;
myButlerResponse.Log = "Poison Message";
//2. Lookin for Errors in Table Status
string processId = myProcessHandler.getProcessId(myButlerRequest.ControlFileUri, myButlerRequest.MessageId.ToString());
var processSnap = storageManager.readProcessSanpShot(myButlerRequest.WorkflowName, processId);
if (processSnap != null)
{
//2.1 Load Erros
dynamic dynObj = Newtonsoft.Json.JsonConvert.DeserializeObject((processSnap).jsonContext);
var errorList = Newtonsoft.Json.JsonConvert.DeserializeObject <List <string> >((dynObj.Exceptions.ToString()));
foreach (var errorTxt in errorList)
{
myButlerResponse.Log += "\r\n" + errorTxt;
}
//2.2 Update status
processSnap.CurrentStep = MBFConfiguration.poisonFinishProcessStep;
storageManager.PersistProcessStatus(processSnap);
}
else
{
//No process execution, fatal error
//Update satus no process Status
ProcessSnapShot psPoison = new ProcessSnapShot(myButlerResponse.WorkflowName, processId);
psPoison.CurrentStep = MBFConfiguration.workflowFatalError;
storageManager.PersistProcessStatus(psPoison);
}
//3. Send Poison Mesagge
CloudQueueMessage poison = new CloudQueueMessage(Newtonsoft.Json.JsonConvert.SerializeObject(myButlerResponse));
poisonQueue.AddMessage(poison);
sw = true;
//4. Send On Error HTTP Callback Notification
try
{
var StorageManager = ResourceAccess.BlobManagerFactory.CreateBlobManager(_Configuration.ProcessConfigConn);
string jsonProcessConfiguration = StorageManager.GetButlerConfigurationValue(
ProcessConfigKeys.DefualtPartitionKey,
myButlerRequest.WorkflowName + ".config");
var processConfiguration = new ResourceAccess.jsonKeyValue(jsonProcessConfiguration);
if (processConfiguration.Read(ProcessConfigKeys.MediaButlerHostHttpCallBackOnError) != "")
{
//POST
string url = processConfiguration.Read(ProcessConfigKeys.MediaButlerHostHttpCallBackOnError);
using (var client = new HttpClient())
{
var content = new StringContent(
StorageManager.readProcessSanpShot(myButlerRequest.WorkflowName, processId).jsonContext,
Encoding.UTF8, "application/json");
var result = client.PostAsync(url, content).Result;
Trace.TraceInformation("Http Post Notification Result: " + result.ToString());
}
}
}
catch (Exception X)
{
Trace.TraceError("HTTP CALLBACK ERROR " + X.Message);
}
}
catch (Exception X)
{
string txt = string.Format("[{0}] at {1} has an error: {2}", this.GetType().FullName, "GetNewMessage", X.Message);
Trace.TraceError(txt);
}
return(sw);
}
