protected void Application_End(object sender, EventArgs e)
{
WebScriptHostManager webScriptHostManager = (WebScriptHostManager)GlobalConfiguration.Configuration.DependencyResolver.GetService(typeof(WebScriptHostManager));
if (webScriptHostManager != null)
{
webScriptHostManager.Stop();
}
}
protected void Application_End(object sender, EventArgs e)
{
WebScriptHostManager webScriptHostManager = GlobalConfiguration.Configuration.DependencyResolver.GetService <WebScriptHostManager>();
if (webScriptHostManager != null)
{
webScriptHostManager.Stop();
webScriptHostManager.Dispose();
}
}
// TODO: FACAVAL (WEBHOOKS)
//public WebHookReceiverManager GetWebHookReceiverManager(WebHostSettings settings)
//{
// if (_activeReceiverManager != null)
// {
// return _activeReceiverManager;
// }
// lock (_syncLock)
// {
// EnsureInitialized(settings);
// return _activeReceiverManager ?? _standbyReceiverManager;
// }
//}
internal void EnsureInitialized(WebHostSettings settings)
{
if (!WebScriptHostManager.InStandbyMode)
{
// standby mode can only change from true to false
// when standby mode changes, we reset all instances
if (_activeHostManager == null)
{
_settingsManager.Reset();
_activeScriptHostConfig = CreateScriptHostConfiguration(settings);
_activeHostManager = new WebScriptHostManager(_activeScriptHostConfig, _secretManagerFactory, _eventManager, _settingsManager, settings, _router, _loggerFactoryBuilder);
//_activeReceiverManager = new WebHookReceiverManager(_activeHostManager.SecretManager);
InitializeFileSystem();
if (_standbyHostManager != null)
{
// we're starting the one and only one
// standby mode specialization
_activeScriptHostConfig.TraceWriter.Info(Resources.HostSpecializationTrace);
// After specialization, we need to ensure that custom timezone
// settings configured by the user (WEBSITE_TIME_ZONE) are honored.
// DateTime caches timezone information, so we need to clear the cache.
TimeZoneInfo.ClearCachedData();
}
if (_standbyHostManager != null)
{
_standbyHostManager.Stop();
_standbyHostManager.Dispose();
}
//_standbyReceiverManager?.Dispose();
_standbyScriptHostConfig = null;
_standbyHostManager = null;
//_standbyReceiverManager = null;
}
}
else
{
if (_standbyHostManager == null)
{
var standbySettings = CreateStandbySettings(settings);
_standbyScriptHostConfig = CreateScriptHostConfiguration(standbySettings, true);
_standbyHostManager = new WebScriptHostManager(_standbyScriptHostConfig, _secretManagerFactory, _eventManager, _settingsManager, standbySettings, _router, _loggerFactoryBuilder);
// _standbyReceiverManager = new WebHookReceiverManager(_standbyHostManager.SecretManager);
InitializeFileSystem();
StandbyManager.Initialize(_standbyScriptHostConfig);
}
}
}
public async Task EmptyHost_StartsSuccessfully()
{
string functionTestDir = Path.Combine(_fixture.TestFunctionRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(functionTestDir);
// important for the repro that these directories no not exist
string logDir = Path.Combine(_fixture.TestLogsRoot, Guid.NewGuid().ToString());
string secretsDir = Path.Combine(_fixture.TestSecretsRoot, Guid.NewGuid().ToString());
JObject hostConfig = new JObject
{
{ "id", "123456" }
};
File.WriteAllText(Path.Combine(functionTestDir, ScriptConstants.HostMetadataFileName), hostConfig.ToString());
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootScriptPath = functionTestDir,
RootLogPath = logDir,
FileLoggingMode = FileLoggingMode.Always
};
ISecretManager secretManager = new SecretManager(secretsDir);
WebHostSettings webHostSettings = new WebHostSettings();
ScriptHostManager hostManager = new WebScriptHostManager(config, secretManager, webHostSettings);
Task runTask = Task.Run(() => hostManager.RunAndBlock());
await TestHelpers.Await(() => hostManager.IsRunning, timeout : 10000);
hostManager.Stop();
Assert.False(hostManager.IsRunning);
await Task.Delay(FileTraceWriter.LogFlushIntervalMs);
string hostLogFilePath = Directory.EnumerateFiles(Path.Combine(logDir, "Host")).Single();
string hostLogs = File.ReadAllText(hostLogFilePath);
Assert.Contains("Generating 0 job function(s)", hostLogs);
Assert.Contains("No job functions found.", hostLogs);
Assert.Contains("Job host started", hostLogs);
Assert.Contains("Job host stopped", hostLogs);
}
public async Task MultipleHostRestarts()
{
string functionTestDir = Path.Combine(_fixture.TestFunctionRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(functionTestDir);
string logDir = Path.Combine(_fixture.TestLogsRoot, Guid.NewGuid().ToString());
string secretsDir = Path.Combine(_fixture.TestSecretsRoot, Guid.NewGuid().ToString());
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootLogPath = logDir,
RootScriptPath = functionTestDir,
FileLoggingMode = FileLoggingMode.Always,
RestartInterval = TimeSpan.FromMilliseconds(500)
};
SecretManager secretManager = new SecretManager(secretsDir);
WebHostSettings webHostSettings = new WebHostSettings();
var factoryMock = new Mock <IScriptHostFactory>();
int count = 0;
factoryMock.Setup(p => p.Create(config)).Callback(() =>
{
count++;
}).Throws(new Exception("Kaboom!"));
ScriptHostManager hostManager = new WebScriptHostManager(config, secretManager, webHostSettings, factoryMock.Object);
Task runTask = Task.Run(() => hostManager.RunAndBlock());
await TestHelpers.Await(() =>
{
return(count > 3);
});
hostManager.Stop();
Assert.False(hostManager.IsRunning);
// regression test: previously on multiple restarts we were recomposing
// the writer on each restart, resulting in a nested chain of writers
// increasing on each restart
Assert.Equal(typeof(SystemTraceWriter), config.TraceWriter.GetType());
}
/// <summary>
/// This method ensures that all services managed by this class are initialized
/// correctly taking into account specialization state transitions.
/// </summary>
internal void EnsureInitialized(WebHostSettings settings)
{
// Create a logger that we can use when the host isn't yet initialized.
ILogger logger = _loggerFactory.CreateLogger(LogCategories.Startup);
lock (_syncLock)
{
// Determine whether we should do normal or standby initialization
if (!WebScriptHostManager.InStandbyMode)
{
// We're not in standby mode. There are two cases to consider:
// 1) We _were_ in standby mode and now we're ready to specialize
// 2) We're doing non-specialization normal initialization
if (_activeHostManager == null &&
(_standbyHostManager == null || _settingsManager.ContainerReady))
{
_settingsManager.Reset();
_specializationTimer?.Dispose();
_specializationTimer = null;
_activeScriptHostConfig = CreateScriptHostConfiguration(settings);
_activeHostManager = new WebScriptHostManager(_activeScriptHostConfig, _secretManagerFactory, _eventManager, _settingsManager, settings,
_router, loggerProviderFactory: _loggerProviderFactory, loggerFactory: _loggerFactory);
//_activeReceiverManager = new WebHookReceiverManager(_activeHostManager.SecretManager);
InitializeFileSystem(settings, _settingsManager.FileSystemIsReadOnly);
if (_standbyHostManager != null)
{
// we're starting the one and only one
// standby mode specialization
logger.LogInformation(Resources.HostSpecializationTrace);
// After specialization, we need to ensure that custom timezone
// settings configured by the user (WEBSITE_TIME_ZONE) are honored.
// DateTime caches timezone information, so we need to clear the cache.
TimeZoneInfo.ClearCachedData();
}
if (_standbyHostManager != null)
{
_standbyHostManager.Stop();
_standbyHostManager.Dispose();
}
//_standbyReceiverManager?.Dispose();
_standbyScriptHostConfig = null;
_standbyHostManager = null;
//_standbyReceiverManager = null;
}
}
else
{
// We're in standby (placeholder) mode. Initialize the standby services.
if (_standbyHostManager == null)
{
var standbySettings = CreateStandbySettings(settings);
_standbyScriptHostConfig = CreateScriptHostConfiguration(standbySettings, true);
_standbyHostManager = new WebScriptHostManager(_standbyScriptHostConfig, _secretManagerFactory, _eventManager, _settingsManager, standbySettings,
_router, loggerProviderFactory: _loggerProviderFactory, loggerFactory: _loggerFactory);
// _standbyReceiverManager = new WebHookReceiverManager(_standbyHostManager.SecretManager);
InitializeFileSystem(settings, _settingsManager.FileSystemIsReadOnly);
StandbyManager.Initialize(_standbyScriptHostConfig, logger);
// start a background timer to identify when specialization happens
// specialization usually happens via an http request (e.g. scale controller
// ping) but this timer is started as well to handle cases where we
// might not receive a request
_specializationTimer = new Timer(OnSpecializationTimerTick, settings, 1000, 1000);
}
}
}
}
internal async Task GeneratedMethods_WithOutParams_DoNotCauseDeadlocks(string fixture)
{
var traceWriter = new TestTraceWriter(TraceLevel.Verbose);
ScriptHostConfiguration config = new ScriptHostConfiguration()
{
RootScriptPath = @"TestScripts\FunctionGeneration",
TraceWriter = traceWriter
};
string secretsPath = Path.Combine(Path.GetTempPath(), @"FunctionTests\Secrets");
WebHostSettings webHostSettings = new WebHostSettings();
var secretManager = new SecretManager(SettingsManager, secretsPath, NullTraceWriter.Instance);
using (var manager = new WebScriptHostManager(config, new TestSecretManagerFactory(secretManager), SettingsManager, webHostSettings))
{
Thread runLoopThread = new Thread(_ =>
{
manager.RunAndBlock(CancellationToken.None);
});
runLoopThread.IsBackground = true;
runLoopThread.Start();
await TestHelpers.Await(() =>
{
return manager.State == ScriptHostState.Running;
});
var request = new HttpRequestMessage(HttpMethod.Get, String.Format("http://localhost/api/httptrigger-{0}", fixture));
FunctionDescriptor function = manager.GetHttpFunctionOrNull(request);
SynchronizationContext currentContext = SynchronizationContext.Current;
var resetEvent = new ManualResetEventSlim();
try
{
var requestThread = new Thread(() =>
{
var context = new SingleThreadSynchronizationContext();
SynchronizationContext.SetSynchronizationContext(context);
manager.HandleRequestAsync(function, request, CancellationToken.None)
.ContinueWith(task => resetEvent.Set());
Thread.Sleep(500);
context.Run();
});
requestThread.IsBackground = true;
requestThread.Start();
bool threadSignaled = resetEvent.Wait(TimeSpan.FromSeconds(10));
requestThread.Abort();
Assert.True(threadSignaled, "Thread execution did not complete");
}
finally
{
SynchronizationContext.SetSynchronizationContext(currentContext);
manager.Stop();
}
}
}
