Add Hangfire

Adjust namespace
This commit is contained in:
2016-11-17 13:36:13 -05:00
parent 88a21593da
commit eeacfebec9
34 changed files with 1007 additions and 38 deletions
@@ -0,0 +1,64 @@
using System;
using System.Linq;
using LeafWeb.Core.Entities;
using LeafWeb.Core.Parsers;
using LeafWeb.WebCms.App_Start;
namespace LeafWeb.WebCms.Services.PiscalQueue
{
public class FinishComplete : PiscalQueueWorker
{
protected override void DoWorkInternal(LeafInput leafInput)
{
Logger.DebugFormat("LeafInput: {0}, RetrieveOutputFiles", leafInput.Id);
var leafOutputFiles = PiscalService.RetrieveOutputFiles(leafInput).ToList();
Logger.DebugFormat("LeafInput: {0}, RetrieveOutputFiles saving output files", leafInput.Id);
foreach (var outputFile in leafOutputFiles)
{
if (leafInput.OutputFiles.All(file => file.Filename != outputFile.Filename))
{
DataService.AddLeafOutputFile(outputFile);
// parse cleaned input file data
if (outputFile.FileType == LeafOutputFileType.CleanedInput)
AddLeafInputData(outputFile, leafInput);
}
else
Logger.WarnFormat("LeafInput: {0}, RetrieveOutputFiles duplicate file name: {1}", leafInput.Id, outputFile.Filename);
}
Logger.InfoFormat("LeafInput: {0}, RetrieveOutputFiles output files: {1}", leafInput.Id,
string.Join(", ", leafOutputFiles.Select(o => o.Filename)));
Logger.DebugFormat("LeafInput: {0}, Set Complete", leafInput.Id);
DataService.SetLeafInputStatus(leafInput, LeafInputStatusType.Complete);
BackgroundJobEnqueueRetry<EmailNotificationService>(email => email.SendLeafWebComplete(leafInput.Id));
Logger.InfoFormat("LeafInput: {0}, Cleanup", leafInput.Id);
PiscalService.Cleanup(leafInput);
HangfireStartup.TriggerPiscalProcessQueue();
}
private void AddLeafInputData(LeafOutputFile outputFile, LeafInput leafInput)
{
try
{
var parser = new LeafInputCsvParser(outputFile.FileContents.Contents);
var data = parser.Parse();
data.LeafInput = leafInput;
data.LeafOutputFile = outputFile;
leafInput.LeafInputData.Add(data);
DataService.UpdateLeafInput(leafInput);
}
catch (Exception e)
{
Logger.Error($"LeafInput: {leafInput.Id}, while parsing CleanedInput file: {outputFile.Filename}", e);
}
}
}
}
@@ -0,0 +1,74 @@
using System;
using System.Linq.Expressions;
using Hangfire;
using log4net;
using LeafWeb.Core.DAL;
using LeafWeb.Core.Entities;
using LeafWeb.Core.Remote;
using Polly;
namespace LeafWeb.WebCms.Services.PiscalQueue
{
public abstract class PiscalQueueBase : IDisposable
{
protected readonly DataService DataService;
protected readonly PiscalService PiscalService;
protected readonly ILog Logger;
private readonly Policy _retryPolicy;
protected PiscalQueueBase(DataService dataService, PiscalService piscalService)
{
DataService = dataService;
PiscalService = piscalService;
Logger = LogManager.GetLogger(GetType().Name);
_retryPolicy =
Policy
.Handle<TimeoutException>()
.Retry(3,
(exception, i) => Logger.Warn($"Retry {i} after exception: {exception.Message}"));
}
protected PiscalQueueBase() : this(new DataService(), new PiscalService()) { }
protected string FormatException(Exception ex)
{
return
(ex is PiscalClientException ? $"LeafInput: {((PiscalClientException) ex).LeafInputId}{Environment.NewLine}" : "") +
$"Class: {GetType().Name}{Environment.NewLine}" +
$"Exception message: {ex.Message}{Environment.NewLine}" +
(ex.InnerException != null ? $"InnerException: {ex.InnerException}{Environment.NewLine}" : string.Empty)
+ $"StackTrace: {ex.StackTrace}";
}
protected void PiscalExceptionHandler(PiscalClientException ex, LeafInput leafInput)
{
var errorMessage = FormatException(ex);
Logger.Error(errorMessage);
// send admin an email
BackgroundJobEnqueueRetry<EmailNotificationService>(
email => email.SendAdministratorMessage($"LeafWeb: PiscalQueue {GetType().Name} Exception", errorMessage));
// send user email too
BackgroundJobEnqueueRetry<EmailNotificationService>(
email => email.SendLeafWebSystemException(leafInput.Identifier, leafInput.Email));
if (leafInput != null)
{
DataService.SetLeafInputStatus(leafInput, LeafInputStatusType.Exception, "Error occurred processing LeafInput",
ex.Message);
}
}
public void Dispose()
{
DataService.Dispose();
}
protected string BackgroundJobEnqueueRetry<T>(Expression<Action<T>> a)
{
return _retryPolicy.Execute(() => BackgroundJob.Enqueue(a));
}
}
}
@@ -0,0 +1,137 @@
using System;
using System.Linq;
using System.Threading;
using LeafWeb.Core.Entities;
using LeafWeb.Core.Remote;
namespace LeafWeb.WebCms.Services.PiscalQueue
{
public class PiscalQueueManager : PiscalQueueBase
{
private static readonly object ProcessQueueLock = new object();
public void ProcessQueue()
{
// prevent multiple entry into processing the queue
if (Monitor.TryEnter(ProcessQueueLock))
{
Logger.DebugFormat("ProcessQueue entered");
try
{
UpdateRunning();
StartNextPending();
// TODO: handle starting and finishing
}
finally
{
Logger.DebugFormat("ProcessQueue exit");
Monitor.Exit(ProcessQueueLock);
}
}
else
{
Logger.DebugFormat("ProcessQueue locked, queue already processing");
}
}
// TODO: clear any stalled processes
private void ClearStalled()
{
var leafInputs =
DataService.GetLeafInputs(
LeafInputStatusType.Starting,
LeafInputStatusType.Finishing
)
.Where(li =>
li.StatusHistory.OrderBy(sh => sh.DateTime).First().DateTime
> DateTime.Now.Subtract(TimeSpan.FromHours(1)))
.ToList();
}
private void StartNextPending()
{
var runningLeafInputs =
DataService.GetLeafInputs(
LeafInputStatusType.Starting,
LeafInputStatusType.Running,
LeafInputStatusType.Finishing
).ToList();
if (runningLeafInputs.Any())
{
Logger.DebugFormat("Leaf input(s) currently running");
return;
}
var pendingInput =
DataService
.GetLeafInputs(LeafInputStatusType.Pending)
.OrderBy(l => l.StatusHistory.Min(sh => sh.DateTime))
.FirstOrDefault();
if (pendingInput == null)
{
Logger.DebugFormat("No pending leaf input");
return;
}
var pendingInputId = pendingInput.Id;
Logger.InfoFormat("LeafInput: {0}, Starting", pendingInputId);
try
{
DataService.SetLeafInputStatus(pendingInput, LeafInputStatusType.Starting);
BackgroundJobEnqueueRetry<StartPending>(c => c.DoWork(pendingInputId));
}
catch (Exception ex)
{
var errorMessage = FormatException(ex);
Logger.Error(errorMessage);
DataService.SetLeafInputStatus(pendingInput, LeafInputStatusType.Exception, ex.Message, errorMessage);
}
}
private void UpdateRunning()
{
var running = DataService.GetLeafInputs(LeafInputStatusType.Running).ToList();
foreach (var leafInput in running)
{
try
{
var status = PiscalService.GetStatus(leafInput);
var leafInputId = leafInput.Id;
switch (status)
{
case PiscalStatus.NotStarted:
// if it's not started - this is unusual state
Logger.WarnFormat("LeafInput: {0}, Piscal Not Started", leafInput.Id);
break;
case PiscalStatus.Running:
Logger.DebugFormat("LeafInput: {0}, Piscal Running", leafInput.Id);
// continue running
break;
case PiscalStatus.Complete:
DataService.SetLeafInputStatus(leafInput, LeafInputStatusType.Finishing);
BackgroundJobEnqueueRetry<FinishComplete>(s => s.DoWork(leafInputId));
break;
}
}
catch (PiscalClientException ex)
{
PiscalExceptionHandler(ex, leafInput);
}
catch (Exception ex)
{
var errorMessage = FormatException(ex);
Logger.Error(errorMessage);
}
}
}
}
}
@@ -0,0 +1,35 @@
using System;
using LeafWeb.Core.Entities;
using LeafWeb.Core.Remote;
using LeafWeb.WebCms.App_Start;
namespace LeafWeb.WebCms.Services.PiscalQueue
{
public abstract class PiscalQueueWorker : PiscalQueueBase
{
public void DoWork(int leafInputId)
{
LeafInput leafInput = null;
try
{
leafInput = DataService.GetLeafInput(leafInputId);
DoWorkInternal(leafInput);
}
catch (PiscalClientException ex)
{
PiscalExceptionHandler(ex, leafInput);
// signal to process next item
HangfireStartup.TriggerPiscalProcessQueue();
}
catch (Exception ex)
{
var errorMessage = FormatException(ex);
Logger.Error(errorMessage);
throw; // this will retry via HangFire
}
}
protected abstract void DoWorkInternal(LeafInput leafInputId);
}
}
@@ -0,0 +1,66 @@
using System;
using System.Collections.Generic;
using System.Configuration;
using LeafWeb.Core.Entities;
using LeafWeb.Core.Remote;
namespace LeafWeb.WebCms.Services.PiscalQueue
{
/// <summary>
/// Thin layer over PiscalClient to translate Core entities to Piscal objects
/// </summary>
public class PiscalService
{
private readonly IPiscalClient _piscalClient;
private readonly string _notifyCompleteUrl;
public PiscalService(IPiscalClient piscalClient)
{
_piscalClient = piscalClient;
_notifyCompleteUrl =
ConfigurationManager.AppSettings["LeafWebUrl"] +
ConfigurationManager.AppSettings["PiscalNotifyCompleteUrlPath"];
}
public PiscalService() : this(new PiscalSshClient(ConfigurationManager.ConnectionStrings["PiscalServer"].ConnectionString))
{
}
public void Run(LeafInput leafInput)
{
var inputFile = new PiscalLeafInput(leafInput);
if (!string.IsNullOrEmpty(_notifyCompleteUrl))
inputFile.NotifyCompleteUrl = _notifyCompleteUrl;
// TODO: remove this, just for testing
if (string.Equals(leafInput.Email, "james.kolpack@gmail.com", StringComparison.InvariantCultureIgnoreCase))
inputFile.SuppressStorageCopy = true;
_piscalClient.RunLeafInput(inputFile);
}
public PiscalStatus GetStatus(LeafInput leafInput)
{
var inputFile = new PiscalLeafInput(leafInput);
return _piscalClient.GetLeafInputStatus(inputFile);
}
public IEnumerable<LeafOutputFile> RetrieveOutputFiles(LeafInput leafInput)
{
var input = new PiscalLeafInput(leafInput);
var piscalLeafOutputFiles = _piscalClient.RetrieveLeafOutput(input);
foreach (var file in piscalLeafOutputFiles)
{
var leafOutputFile = file.GetLeafOutputFile();
leafOutputFile.LeafInput = leafInput;
yield return leafOutputFile;
}
}
public void Cleanup(LeafInput leafInput)
{
var input = new PiscalLeafInput(leafInput);
_piscalClient.CleanupLeafProcess(input);
}
}
}
@@ -0,0 +1,16 @@
using LeafWeb.Core.Entities;
namespace LeafWeb.WebCms.Services.PiscalQueue
{
public class StartPending : PiscalQueueWorker
{
protected override void DoWorkInternal(LeafInput leafInput)
{
Logger.DebugFormat("LeafInput: {0}, Run", leafInput.Id);
PiscalService.Run(leafInput);
DataService.SetLeafInputStatus(leafInput, LeafInputStatusType.Running);
}
}
}