private async Task EnsureLoggersAsync(CancellationToken cancellationToken)
{
if (_loggersSet)
{
return;
}
IStorageAccount dashboardAccount =
await _storageAccountProvider.GetDashboardAccountAsync(cancellationToken);
if (dashboardAccount != null)
{
// Create logging against a live Azure account.
IStorageBlobClient dashboardBlobClient = dashboardAccount.CreateBlobClient();
IPersistentQueueWriter <PersistentQueueMessage> queueWriter =
new PersistentQueueWriter <PersistentQueueMessage>(dashboardBlobClient);
PersistentQueueLogger queueLogger = new PersistentQueueLogger(queueWriter);
_hostInstanceLogger = queueLogger;
_functionInstanceLogger = new CompositeFunctionInstanceLogger(queueLogger,
new ConsoleFunctionInstanceLogger());
_functionOutputLogger = new BlobFunctionOutputLogger(dashboardBlobClient);
}
else
{
// No auxillary logging. Logging interfaces are nops or in-memory.
_hostInstanceLogger = new NullHostInstanceLogger();
_functionInstanceLogger = new ConsoleFunctionInstanceLogger();
_functionOutputLogger = new ConsoleFunctionOutputLogger();
}
_loggersSet = true;
}
public FunctionExecutor(IFunctionInstanceLogger functionInstanceLogger, IFunctionOutputLogger functionOutputLogger,
IWebJobsExceptionHandler exceptionHandler, TraceWriter trace, IAsyncCollector <FunctionInstanceLogEntry> functionEventCollector = null,
ILoggerFactory loggerFactory = null)
{
if (functionInstanceLogger == null)
{
throw new ArgumentNullException("functionInstanceLogger");
}
if (functionOutputLogger == null)
{
throw new ArgumentNullException("functionOutputLogger");
}
if (exceptionHandler == null)
{
throw new ArgumentNullException("exceptionHandler");
}
if (trace == null)
{
throw new ArgumentNullException("trace");
}
_functionInstanceLogger = functionInstanceLogger;
_functionOutputLogger = functionOutputLogger;
_exceptionHandler = exceptionHandler;
_trace = trace;
_functionEventCollector = functionEventCollector;
_logger = loggerFactory?.CreateLogger(LogCategories.Executor);
_resultsLogger = loggerFactory?.CreateLogger(LogCategories.Results);
}
public static FunctionIndexer Create(CloudStorageAccount account = null, INameResolver nameResolver = null,
IExtensionRegistry extensionRegistry = null, TraceWriter traceWriter = null, ILoggerFactory loggerFactory = null)
{
IStorageAccountProvider storageAccountProvider = GetStorageAccountProvider(account);
var config = TestHelpers.NewConfig(storageAccountProvider, nameResolver, extensionRegistry);
var services = config.CreateStaticServices();
ITriggerBindingProvider triggerBindingProvider = services.GetService <ITriggerBindingProvider>();
IBindingProvider bindingProvider = services.GetService <IBindingProvider>();
IJobActivator activator = services.GetService <IJobActivator>();
extensionRegistry = services.GetService <IExtensionRegistry>();
SingletonManager singletonManager = new SingletonManager();
TraceWriter logger = traceWriter ?? new TestTraceWriter(TraceLevel.Verbose);
IWebJobsExceptionHandler exceptionHandler = new WebJobsExceptionHandler();
IFunctionOutputLoggerProvider outputLoggerProvider = new NullFunctionOutputLoggerProvider();
IFunctionOutputLogger outputLogger = outputLoggerProvider.GetAsync(CancellationToken.None).Result;
IFunctionExecutor executor = new FunctionExecutor(new NullFunctionInstanceLogger(), outputLogger, exceptionHandler, logger);
return(new FunctionIndexer(triggerBindingProvider, bindingProvider, DefaultJobActivator.Instance, executor,
extensionRegistry, singletonManager, logger, loggerFactory));
}
public FunctionExecutor(IFunctionInstanceLogger functionInstanceLogger, IFunctionOutputLogger functionOutputLogger,
IWebJobsExceptionHandler exceptionHandler, TraceWriter trace, IAsyncCollector <FunctionInstanceLogEntry> fastLogger = null)
{
if (functionInstanceLogger == null)
{
throw new ArgumentNullException("functionInstanceLogger");
}
if (functionOutputLogger == null)
{
throw new ArgumentNullException("functionOutputLogger");
}
if (exceptionHandler == null)
{
throw new ArgumentNullException("exceptionHandler");
}
if (trace == null)
{
throw new ArgumentNullException("trace");
}
_functionInstanceLogger = functionInstanceLogger;
_functionOutputLogger = functionOutputLogger;
_exceptionHandler = exceptionHandler;
_trace = trace;
_fastLogger = fastLogger;
}
public FunctionExecutor(IFunctionInstanceLogger functionInstanceLogger, IFunctionOutputLogger functionOutputLogger,
IBackgroundExceptionDispatcher backgroundExceptionDispatcher, TraceWriter trace, TimeSpan?functionTimeout)
{
if (functionInstanceLogger == null)
{
throw new ArgumentNullException("functionInstanceLogger");
}
if (functionOutputLogger == null)
{
throw new ArgumentNullException("functionOutputLogger");
}
if (backgroundExceptionDispatcher == null)
{
throw new ArgumentNullException("backgroundExceptionDispatcher");
}
if (trace == null)
{
throw new ArgumentNullException("trace");
}
_functionInstanceLogger = functionInstanceLogger;
_functionOutputLogger = functionOutputLogger;
_backgroundExceptionDispatcher = backgroundExceptionDispatcher;
_trace = trace;
_functionTimeout = functionTimeout;
}
private void EnsureLoggers()
{
if (_loggersSet)
{
return;
}
IFunctionInstanceLogger functionLogger = new FunctionInstanceLogger(_loggerFactory);
if (_storageAccountOptions.Dashboard != null)
{
var dashboardAccount = _storageAccountOptions.GetDashboardStorageAccount();
// Create logging against a live Azure account.
var dashboardBlobClient = dashboardAccount.CreateCloudBlobClient();
IPersistentQueueWriter <PersistentQueueMessage> queueWriter = new PersistentQueueWriter <PersistentQueueMessage>(dashboardBlobClient);
PersistentQueueLogger queueLogger = new PersistentQueueLogger(queueWriter);
_hostInstanceLogger = queueLogger;
_functionInstanceLogger = new CompositeFunctionInstanceLogger(queueLogger, functionLogger);
_functionOutputLogger = new BlobFunctionOutputLogger(dashboardBlobClient);
}
else
{
// No auxillary logging. Logging interfaces are nops or in-memory.
_hostInstanceLogger = new NullHostInstanceLogger();
_functionInstanceLogger = functionLogger;
_functionOutputLogger = new NullFunctionOutputLogger();
}
_loggersSet = true;
}
private async Task EnsureLoggersAsync(CancellationToken cancellationToken)
{
if (_loggersSet)
{
return;
}
IStorageAccount dashboardAccount = await _storageAccountProvider.GetDashboardAccountAsync(cancellationToken);
IFunctionInstanceLogger traceWriterFunctionLogger = new TraceWriterFunctionInstanceLogger(_trace);
if (dashboardAccount != null)
{
// Create logging against a live Azure account.
IStorageBlobClient dashboardBlobClient = dashboardAccount.CreateBlobClient();
IPersistentQueueWriter<PersistentQueueMessage> queueWriter = new PersistentQueueWriter<PersistentQueueMessage>(dashboardBlobClient);
PersistentQueueLogger queueLogger = new PersistentQueueLogger(queueWriter);
_hostInstanceLogger = queueLogger;
_functionInstanceLogger = new CompositeFunctionInstanceLogger(queueLogger, traceWriterFunctionLogger);
_functionOutputLogger = new BlobFunctionOutputLogger(dashboardBlobClient);
}
else
{
// No auxillary logging. Logging interfaces are nops or in-memory.
_hostInstanceLogger = new NullHostInstanceLogger();
_functionInstanceLogger = traceWriterFunctionLogger;
_functionOutputLogger = new ConsoleFunctionOutputLogger();
}
_loggersSet = true;
}
public static TestJobHost <TProgram> Create <TProgram>(CloudStorageAccount storageAccount, int maxDequeueCount)
{
TestJobHostConfiguration config = new TestJobHostConfiguration();
IStorageAccountProvider storageAccountProvider = new SimpleStorageAccountProvider(config)
{
StorageAccount = storageAccount,
// use null logging string since unit tests don't need logs.
DashboardAccount = null
};
IExtensionTypeLocator extensionTypeLocator = new NullExtensionTypeLocator();
IHostIdProvider hostIdProvider = new FixedHostIdProvider("test");
INameResolver nameResolver = null;
IQueueConfiguration queueConfiguration = new SimpleQueueConfiguration(maxDequeueCount);
JobHostBlobsConfiguration blobsConfiguration = new JobHostBlobsConfiguration();
ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor =
new ContextAccessor <IMessageEnqueuedWatcher>();
ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor =
new ContextAccessor <IBlobWrittenWatcher>();
ISharedContextProvider sharedContextProvider = new SharedContextProvider();
IExtensionRegistry extensions = new DefaultExtensionRegistry();
SingletonManager singletonManager = new SingletonManager();
TraceWriter trace = new TestTraceWriter(TraceLevel.Verbose);
IWebJobsExceptionHandler exceptionHandler = new WebJobsExceptionHandler();
IFunctionOutputLoggerProvider outputLoggerProvider = new NullFunctionOutputLoggerProvider();
IFunctionOutputLogger outputLogger = outputLoggerProvider.GetAsync(CancellationToken.None).Result;
IFunctionExecutor executor = new FunctionExecutor(new NullFunctionInstanceLogger(), outputLogger, exceptionHandler, trace);
var triggerBindingProvider = DefaultTriggerBindingProvider.Create(
nameResolver, storageAccountProvider, extensionTypeLocator, hostIdProvider, queueConfiguration, blobsConfiguration,
exceptionHandler, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor,
sharedContextProvider, extensions, singletonManager, new TestTraceWriter(TraceLevel.Verbose));
var bindingProvider = DefaultBindingProvider.Create(nameResolver, null, storageAccountProvider, extensionTypeLocator,
messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, extensions);
var functionIndexProvider = new FunctionIndexProvider(new FakeTypeLocator(typeof(TProgram)), triggerBindingProvider, bindingProvider, DefaultJobActivator.Instance, executor, new DefaultExtensionRegistry(), singletonManager, trace);
IJobHostContextFactory contextFactory = new TestJobHostContextFactory
{
FunctionIndexProvider = functionIndexProvider,
StorageAccountProvider = storageAccountProvider,
Queues = queueConfiguration,
SingletonManager = singletonManager,
HostIdProvider = hostIdProvider
};
config.ContextFactory = contextFactory;
return(new TestJobHost <TProgram>(config));
}
public static TestJobHost <TProgram> Create <TProgram>(CloudStorageAccount storageAccount, int maxDequeueCount)
{
IStorageAccountProvider storageAccountProvider = new SimpleStorageAccountProvider
{
StorageAccount = storageAccount,
// use null logging string since unit tests don't need logs.
DashboardAccount = null
};
IExtensionTypeLocator extensionTypeLocator = new NullExtensionTypeLocator();
IHostIdProvider hostIdProvider = new FixedHostIdProvider("test");
INameResolver nameResolver = null;
IQueueConfiguration queueConfiguration = new SimpleQueueConfiguration(maxDequeueCount);
ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor =
new ContextAccessor <IMessageEnqueuedWatcher>();
ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor =
new ContextAccessor <IBlobWrittenWatcher>();
ISharedContextProvider sharedContextProvider = new SharedContextProvider();
IExtensionRegistry extensions = new DefaultExtensionRegistry();
IFunctionOutputLoggerProvider outputLoggerProvider = new NullFunctionOutputLoggerProvider();
var task = outputLoggerProvider.GetAsync(CancellationToken.None);
task.Wait();
IFunctionOutputLogger outputLogger = task.Result;
IFunctionExecutor executor = new FunctionExecutor(new NullFunctionInstanceLogger(), outputLogger, BackgroundExceptionDispatcher.Instance);
var triggerBindingProvider = DefaultTriggerBindingProvider.Create(
nameResolver, storageAccountProvider, extensionTypeLocator, hostIdProvider, queueConfiguration,
BackgroundExceptionDispatcher.Instance, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor,
sharedContextProvider, extensions, TextWriter.Null);
var bindingProvider = DefaultBindingProvider.Create(nameResolver, storageAccountProvider, extensionTypeLocator,
messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, extensions);
var functionIndexProvider = new FunctionIndexProvider(new FakeTypeLocator(typeof(TProgram)), triggerBindingProvider, bindingProvider, DefaultJobActivator.Instance, executor, new DefaultExtensionRegistry());
IJobHostContextFactory contextFactory = new TestJobHostContextFactory
{
FunctionIndexProvider = functionIndexProvider,
StorageAccountProvider = storageAccountProvider,
Queues = queueConfiguration
};
IServiceProvider serviceProvider = new TestJobHostConfiguration
{
ContextFactory = contextFactory
};
return(new TestJobHost <TProgram>(serviceProvider));
}
public static FunctionIndexer Create(CloudStorageAccount account = null, INameResolver nameResolver = null, IExtensionRegistry extensionRegistry = null, TraceWriter traceWriter = null)
{
Mock <IServiceProvider> services = new Mock <IServiceProvider>(MockBehavior.Strict);
StorageClientFactory clientFactory = new StorageClientFactory();
services.Setup(p => p.GetService(typeof(StorageClientFactory))).Returns(clientFactory);
IStorageAccount storageAccount = account != null ? new StorageAccount(account, services.Object) : null;
IStorageAccountProvider storageAccountProvider = new SimpleStorageAccountProvider(services.Object)
{
StorageAccount = account
};
IExtensionTypeLocator extensionTypeLocator = new NullExtensionTypeLocator();
ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor =
new ContextAccessor <IMessageEnqueuedWatcher>();
ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor =
new ContextAccessor <IBlobWrittenWatcher>();
ISharedContextProvider sharedContextProvider = new SharedContextProvider();
TraceWriter logger = traceWriter ?? new TestTraceWriter(TraceLevel.Verbose);
SingletonManager singletonManager = new SingletonManager();
IWebJobsExceptionHandler exceptionHandler = new WebJobsExceptionHandler();
var blobsConfiguration = new JobHostBlobsConfiguration();
ITriggerBindingProvider triggerBindingProvider = DefaultTriggerBindingProvider.Create(nameResolver,
storageAccountProvider, extensionTypeLocator,
new FixedHostIdProvider("test"), new SimpleQueueConfiguration(maxDequeueCount: 5), blobsConfiguration,
exceptionHandler, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor,
sharedContextProvider, new DefaultExtensionRegistry(), singletonManager, logger);
IBindingProvider bindingProvider = DefaultBindingProvider.Create(nameResolver, null, storageAccountProvider,
extensionTypeLocator, messageEnqueuedWatcherAccessor,
blobWrittenWatcherAccessor, new DefaultExtensionRegistry());
IFunctionOutputLoggerProvider outputLoggerProvider = new NullFunctionOutputLoggerProvider();
IFunctionOutputLogger outputLogger = outputLoggerProvider.GetAsync(CancellationToken.None).Result;
IFunctionExecutor executor = new FunctionExecutor(new NullFunctionInstanceLogger(), outputLogger, exceptionHandler, logger);
if (extensionRegistry == null)
{
extensionRegistry = new DefaultExtensionRegistry();
}
return(new FunctionIndexer(triggerBindingProvider, bindingProvider, DefaultJobActivator.Instance, executor, extensionRegistry, new SingletonManager(), logger));
}
public JobHostContextFactory(
IDashboardLoggingSetup dashboardLoggingSetup,
IFunctionExecutor functionExecutor,
IFunctionIndexProvider functionIndexProvider,
ITriggerBindingProvider triggerBindingProvider,
SingletonManager singletonManager,
IJobActivator activator,
IHostIdProvider hostIdProvider,
INameResolver nameResolver,
IExtensionRegistry extensions,
ILoggerFactory loggerFactory,
IWebJobsExceptionHandler exceptionHandler,
SharedQueueHandler sharedQueueHandler,
IOptions <JobHostOptions> jobHostOptions,
IHostInstanceLogger hostInstanceLogger,
IFunctionInstanceLogger functionInstanceLogger,
IFunctionOutputLogger functionOutputLogger,
IConverterManager converterManager,
IAsyncCollector <FunctionInstanceLogEntry> eventCollector)
{
_dashboardLoggingSetup = dashboardLoggingSetup;
_functionExecutor = functionExecutor;
_functionIndexProvider = functionIndexProvider;
_triggerBindingProvider = triggerBindingProvider;
_singletonManager = singletonManager;
_activator = activator;
_hostIdProvider = hostIdProvider;
_nameResolver = nameResolver;
_extensions = extensions;
_loggerFactory = loggerFactory;
_exceptionHandler = exceptionHandler;
_sharedQueueHandler = sharedQueueHandler;
_jobHostOptions = jobHostOptions;
_hostInstanceLogger = hostInstanceLogger;
_functionInstanceLogger = functionInstanceLogger;
_functionOutputLogger = functionOutputLogger;
_converterManager = converterManager;
_eventCollector = eventCollector;
}
public FunctionExecutor(IFunctionInstanceLogger functionInstanceLogger, IFunctionOutputLogger functionOutputLogger,
IBackgroundExceptionDispatcher backgroundExceptionDispatcher)
{
if (functionInstanceLogger == null)
{
throw new ArgumentNullException("functionInstanceLogger");
}
if (functionOutputLogger == null)
{
throw new ArgumentNullException("functionOutputLogger");
}
if (backgroundExceptionDispatcher == null)
{
throw new ArgumentNullException("backgroundExceptionDispatcher");
}
_functionInstanceLogger = functionInstanceLogger;
_functionOutputLogger = functionOutputLogger;
_backgroundExceptionDispatcher = backgroundExceptionDispatcher;
}
public static FunctionIndexer Create(CloudStorageAccount account = null, INameResolver nameResolver = null, IExtensionRegistry extensionRegistry = null)
{
IStorageAccount storageAccount = account != null ? new StorageAccount(account) : null;
IStorageAccountProvider storageAccountProvider = new SimpleStorageAccountProvider
{
StorageAccount = account
};
IExtensionTypeLocator extensionTypeLocator = new NullExtensionTypeLocator();
ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor =
new ContextAccessor <IMessageEnqueuedWatcher>();
ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor =
new ContextAccessor <IBlobWrittenWatcher>();
ISharedContextProvider sharedContextProvider = new SharedContextProvider();
TestTraceWriter logger = new TestTraceWriter(TraceLevel.Verbose);
ITriggerBindingProvider triggerBindingProvider = DefaultTriggerBindingProvider.Create(nameResolver,
storageAccountProvider, extensionTypeLocator,
new FixedHostIdProvider("test"), new SimpleQueueConfiguration(maxDequeueCount: 5),
BackgroundExceptionDispatcher.Instance, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor,
sharedContextProvider, new DefaultExtensionRegistry(), logger);
IBindingProvider bindingProvider = DefaultBindingProvider.Create(nameResolver, storageAccountProvider,
extensionTypeLocator, messageEnqueuedWatcherAccessor,
blobWrittenWatcherAccessor, new DefaultExtensionRegistry());
IFunctionOutputLoggerProvider outputLoggerProvider = new NullFunctionOutputLoggerProvider();
var task = outputLoggerProvider.GetAsync(CancellationToken.None);
task.Wait();
IFunctionOutputLogger outputLogger = task.Result;
IFunctionExecutor executor = new FunctionExecutor(new NullFunctionInstanceLogger(), outputLogger, BackgroundExceptionDispatcher.Instance, new TestTraceWriter(TraceLevel.Verbose));
if (extensionRegistry == null)
{
extensionRegistry = new DefaultExtensionRegistry();
}
return(new FunctionIndexer(triggerBindingProvider, bindingProvider, DefaultJobActivator.Instance, executor, extensionRegistry, new SingletonManager()));
}
public static async Task <JobHostContext> CreateAndLogHostStartedAsync(
JobHost host,
IStorageAccountProvider storageAccountProvider,
IQueueConfiguration queueConfiguration,
ITypeLocator typeLocator,
IJobActivator activator,
INameResolver nameResolver,
IConsoleProvider consoleProvider,
JobHostConfiguration config,
CancellationToken shutdownToken,
CancellationToken cancellationToken,
IHostIdProvider hostIdProvider = null,
FunctionExecutor functionExecutor = null,
IFunctionIndexProvider functionIndexProvider = null,
IBindingProvider bindingProvider = null,
IHostInstanceLoggerProvider hostInstanceLogerProvider = null,
IFunctionInstanceLoggerProvider functionInstanceLoggerProvider = null,
IFunctionOutputLoggerProvider functionOutputLoggerProvider = null,
IBackgroundExceptionDispatcher backgroundExceptionDispatcher = null,
SingletonManager singletonManager = null)
{
if (hostIdProvider == null)
{
hostIdProvider = new DynamicHostIdProvider(storageAccountProvider, () => functionIndexProvider);
}
IExtensionTypeLocator extensionTypeLocator = new ExtensionTypeLocator(typeLocator);
if (backgroundExceptionDispatcher == null)
{
backgroundExceptionDispatcher = BackgroundExceptionDispatcher.Instance;
}
ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor = new ContextAccessor <IMessageEnqueuedWatcher>();
ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor = new ContextAccessor <IBlobWrittenWatcher>();
ISharedContextProvider sharedContextProvider = new SharedContextProvider();
// Create a wrapper TraceWriter that delegates to both the user
// TraceWriter specified on Config (if present), as well as to Console
TraceWriter trace = new ConsoleTraceWriter(config.Tracing, consoleProvider.Out);
// Register system services with the service container
config.AddService <INameResolver>(nameResolver);
ExtensionConfigContext context = new ExtensionConfigContext
{
Config = config,
Trace = trace,
Host = host
};
InvokeExtensionConfigProviders(context);
IExtensionRegistry extensions = config.GetExtensions();
ITriggerBindingProvider triggerBindingProvider = DefaultTriggerBindingProvider.Create(nameResolver,
storageAccountProvider, extensionTypeLocator, hostIdProvider, queueConfiguration, backgroundExceptionDispatcher,
messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, sharedContextProvider, extensions, trace);
if (bindingProvider == null)
{
bindingProvider = DefaultBindingProvider.Create(nameResolver, storageAccountProvider, extensionTypeLocator, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, extensions);
}
DefaultLoggerProvider loggerProvider = new DefaultLoggerProvider(storageAccountProvider, trace);
if (singletonManager == null)
{
singletonManager = new SingletonManager(storageAccountProvider, backgroundExceptionDispatcher, config.Singleton, trace, config.NameResolver);
}
using (CancellationTokenSource combinedCancellationSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, shutdownToken))
{
CancellationToken combinedCancellationToken = combinedCancellationSource.Token;
await WriteSiteExtensionManifestAsync(combinedCancellationToken);
IStorageAccount dashboardAccount = await storageAccountProvider.GetDashboardAccountAsync(combinedCancellationToken);
IHostInstanceLogger hostInstanceLogger = null;
if (hostInstanceLogerProvider != null)
{
hostInstanceLogger = await hostInstanceLogerProvider.GetAsync(combinedCancellationToken);
}
else
{
hostInstanceLogger = await((IHostInstanceLoggerProvider)loggerProvider).GetAsync(combinedCancellationToken);
}
IFunctionInstanceLogger functionInstanceLogger = null;
if (functionInstanceLoggerProvider != null)
{
functionInstanceLogger = await functionInstanceLoggerProvider.GetAsync(combinedCancellationToken);
}
else
{
functionInstanceLogger = (IFunctionInstanceLogger)(await((IFunctionInstanceLoggerProvider)loggerProvider).GetAsync(combinedCancellationToken));
}
IFunctionOutputLogger functionOutputLogger = null;
if (functionOutputLoggerProvider != null)
{
functionOutputLogger = await functionOutputLoggerProvider.GetAsync(combinedCancellationToken);
}
else
{
functionOutputLogger = (IFunctionOutputLogger)(await((IFunctionOutputLoggerProvider)loggerProvider).GetAsync(combinedCancellationToken));
}
if (functionExecutor == null)
{
functionExecutor = new FunctionExecutor(functionInstanceLogger, functionOutputLogger, backgroundExceptionDispatcher, trace, config.FunctionTimeout);
}
if (functionIndexProvider == null)
{
functionIndexProvider = new FunctionIndexProvider(typeLocator, triggerBindingProvider, bindingProvider, activator, functionExecutor, extensions, singletonManager);
}
IFunctionIndex functions = await functionIndexProvider.GetAsync(combinedCancellationToken);
IListenerFactory functionsListenerFactory = new HostListenerFactory(functions.ReadAll(), singletonManager, activator, nameResolver, trace);
IFunctionExecutor hostCallExecutor;
IListener listener;
HostOutputMessage hostOutputMessage;
if (dashboardAccount != null)
{
string hostId = await hostIdProvider.GetHostIdAsync(cancellationToken);
string sharedQueueName = HostQueueNames.GetHostQueueName(hostId);
IStorageQueueClient dashboardQueueClient = dashboardAccount.CreateQueueClient();
IStorageQueue sharedQueue = dashboardQueueClient.GetQueueReference(sharedQueueName);
IListenerFactory sharedQueueListenerFactory = new HostMessageListenerFactory(sharedQueue,
queueConfiguration, backgroundExceptionDispatcher, trace, functions,
functionInstanceLogger, functionExecutor);
Guid hostInstanceId = Guid.NewGuid();
string instanceQueueName = HostQueueNames.GetHostQueueName(hostInstanceId.ToString("N"));
IStorageQueue instanceQueue = dashboardQueueClient.GetQueueReference(instanceQueueName);
IListenerFactory instanceQueueListenerFactory = new HostMessageListenerFactory(instanceQueue,
queueConfiguration, backgroundExceptionDispatcher, trace, functions,
functionInstanceLogger, functionExecutor);
HeartbeatDescriptor heartbeatDescriptor = new HeartbeatDescriptor
{
SharedContainerName = HostContainerNames.Hosts,
SharedDirectoryName = HostDirectoryNames.Heartbeats + "/" + hostId,
InstanceBlobName = hostInstanceId.ToString("N"),
ExpirationInSeconds = (int)HeartbeatIntervals.ExpirationInterval.TotalSeconds
};
IStorageBlockBlob blob = dashboardAccount.CreateBlobClient()
.GetContainerReference(heartbeatDescriptor.SharedContainerName)
.GetBlockBlobReference(heartbeatDescriptor.SharedDirectoryName + "/" + heartbeatDescriptor.InstanceBlobName);
IRecurrentCommand heartbeatCommand = new UpdateHostHeartbeatCommand(new HeartbeatCommand(blob));
IEnumerable <MethodInfo> indexedMethods = functions.ReadAllMethods();
Assembly hostAssembly = GetHostAssembly(indexedMethods);
string displayName = hostAssembly != null?hostAssembly.GetName().Name : "Unknown";
hostOutputMessage = new DataOnlyHostOutputMessage
{
HostInstanceId = hostInstanceId,
HostDisplayName = displayName,
SharedQueueName = sharedQueueName,
InstanceQueueName = instanceQueueName,
Heartbeat = heartbeatDescriptor,
WebJobRunIdentifier = WebJobRunIdentifier.Current
};
hostCallExecutor = CreateHostCallExecutor(instanceQueueListenerFactory, heartbeatCommand,
backgroundExceptionDispatcher, shutdownToken, functionExecutor);
IListenerFactory hostListenerFactory = new CompositeListenerFactory(functionsListenerFactory,
sharedQueueListenerFactory, instanceQueueListenerFactory);
listener = CreateHostListener(hostListenerFactory, heartbeatCommand, backgroundExceptionDispatcher, shutdownToken);
// Publish this to Azure logging account so that a web dashboard can see it.
await LogHostStartedAsync(functions, hostOutputMessage, hostInstanceLogger, combinedCancellationToken);
}
else
{
hostCallExecutor = new ShutdownFunctionExecutor(shutdownToken, functionExecutor);
IListener factoryListener = new ListenerFactoryListener(functionsListenerFactory);
IListener shutdownListener = new ShutdownListener(shutdownToken, factoryListener);
listener = shutdownListener;
hostOutputMessage = new DataOnlyHostOutputMessage();
}
functionExecutor.HostOutputMessage = hostOutputMessage;
IEnumerable <FunctionDescriptor> descriptors = functions.ReadAllDescriptors();
int descriptorsCount = descriptors.Count();
if (descriptorsCount == 0)
{
trace.Warning(string.Format("No job functions found. Try making your job classes and methods public. {0}",
Constants.ExtensionInitializationMessage), TraceSource.Indexing);
}
else
{
StringBuilder functionsTrace = new StringBuilder();
functionsTrace.AppendLine("Found the following functions:");
foreach (FunctionDescriptor descriptor in descriptors)
{
functionsTrace.AppendLine(descriptor.FullName);
}
trace.Info(functionsTrace.ToString(), TraceSource.Indexing);
}
return(new JobHostContext(functions, hostCallExecutor, listener, trace));
}
}
// Do the full runtime intitialization. This includes static initialization.
// This mainly means:
// - indexing the functions
// - spinning up the listeners (so connecting to the services)
public static async Task <JobHostContext> CreateJobHostContextAsync(
this JobHostConfiguration config,
ServiceProviderWrapper services, // Results from first phase
JobHost host,
CancellationToken shutdownToken,
CancellationToken cancellationToken)
{
FunctionExecutor functionExecutor = services.GetService <FunctionExecutor>();
IFunctionIndexProvider functionIndexProvider = services.GetService <IFunctionIndexProvider>();
ITriggerBindingProvider triggerBindingProvider = services.GetService <ITriggerBindingProvider>();
IBindingProvider bindingProvider = services.GetService <IBindingProvider>();
SingletonManager singletonManager = services.GetService <SingletonManager>();
IJobActivator activator = services.GetService <IJobActivator>();
IHostIdProvider hostIdProvider = services.GetService <IHostIdProvider>();
INameResolver nameResolver = services.GetService <INameResolver>();
IExtensionRegistry extensions = services.GetExtensions();
IStorageAccountProvider storageAccountProvider = services.GetService <IStorageAccountProvider>();
ILoggerFactory loggerFactory = services.GetService <ILoggerFactory>();
IFunctionResultAggregatorFactory aggregatorFactory = services.GetService <IFunctionResultAggregatorFactory>();
IAsyncCollector <FunctionInstanceLogEntry> functionEventCollector = null;
// Create the aggregator if all the pieces are configured
IAsyncCollector <FunctionInstanceLogEntry> aggregator = null;
if (loggerFactory != null && aggregatorFactory != null && config.Aggregator.IsEnabled)
{
aggregator = aggregatorFactory.Create(config.Aggregator.BatchSize, config.Aggregator.FlushTimeout, loggerFactory);
}
IQueueConfiguration queueConfiguration = services.GetService <IQueueConfiguration>();
var blobsConfiguration = config.Blobs;
TraceWriter trace = services.GetService <TraceWriter>();
IAsyncCollector <FunctionInstanceLogEntry> registeredFunctionEventCollector = services.GetService <IAsyncCollector <FunctionInstanceLogEntry> >();
if (registeredFunctionEventCollector != null && aggregator != null)
{
// If there are both an aggregator and a registered FunctionEventCollector, wrap them in a composite
functionEventCollector = new CompositeFunctionEventCollector(new[] { registeredFunctionEventCollector, aggregator });
}
else
{
// Otherwise, take whichever one is null (or use null if both are)
functionEventCollector = aggregator ?? registeredFunctionEventCollector;
}
IWebJobsExceptionHandler exceptionHandler = services.GetService <IWebJobsExceptionHandler>();
if (exceptionHandler != null)
{
exceptionHandler.Initialize(host);
}
bool hasFastTableHook = services.GetService <IAsyncCollector <FunctionInstanceLogEntry> >() != null;
bool noDashboardStorage = config.DashboardConnectionString == null;
// Only testing will override these interfaces.
IHostInstanceLoggerProvider hostInstanceLoggerProvider = services.GetService <IHostInstanceLoggerProvider>();
IFunctionInstanceLoggerProvider functionInstanceLoggerProvider = services.GetService <IFunctionInstanceLoggerProvider>();
IFunctionOutputLoggerProvider functionOutputLoggerProvider = services.GetService <IFunctionOutputLoggerProvider>();
if (hostInstanceLoggerProvider == null && functionInstanceLoggerProvider == null && functionOutputLoggerProvider == null)
{
if (hasFastTableHook && noDashboardStorage)
{
var loggerProvider = new FastTableLoggerProvider(trace);
hostInstanceLoggerProvider = loggerProvider;
functionInstanceLoggerProvider = loggerProvider;
functionOutputLoggerProvider = loggerProvider;
}
else
{
var loggerProvider = new DefaultLoggerProvider(storageAccountProvider, trace);
hostInstanceLoggerProvider = loggerProvider;
functionInstanceLoggerProvider = loggerProvider;
functionOutputLoggerProvider = loggerProvider;
}
}
using (CancellationTokenSource combinedCancellationSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, shutdownToken))
{
CancellationToken combinedCancellationToken = combinedCancellationSource.Token;
await WriteSiteExtensionManifestAsync(combinedCancellationToken);
IStorageAccount dashboardAccount = await storageAccountProvider.GetDashboardAccountAsync(combinedCancellationToken);
IHostInstanceLogger hostInstanceLogger = await hostInstanceLoggerProvider.GetAsync(combinedCancellationToken);
IFunctionInstanceLogger functionInstanceLogger = await functionInstanceLoggerProvider.GetAsync(combinedCancellationToken);
IFunctionOutputLogger functionOutputLogger = await functionOutputLoggerProvider.GetAsync(combinedCancellationToken);
if (functionExecutor == null)
{
var extensionRegistry = config.GetService <IExtensionRegistry>();
var globalFunctionFilters = extensionRegistry.GetFunctionFilters();
functionExecutor = new FunctionExecutor(functionInstanceLogger, functionOutputLogger, exceptionHandler, trace, functionEventCollector, loggerFactory, globalFunctionFilters);
services.AddService(functionExecutor);
}
if (functionIndexProvider == null)
{
functionIndexProvider = new FunctionIndexProvider(
services.GetService <ITypeLocator>(),
triggerBindingProvider,
bindingProvider,
activator,
functionExecutor,
extensions,
singletonManager,
trace,
loggerFactory);
// Important to set this so that the func we passed to DynamicHostIdProvider can pick it up.
services.AddService <IFunctionIndexProvider>(functionIndexProvider);
}
IFunctionIndex functions = await functionIndexProvider.GetAsync(combinedCancellationToken);
IListenerFactory functionsListenerFactory = new HostListenerFactory(functions.ReadAll(), singletonManager, activator, nameResolver, trace, loggerFactory);
IFunctionExecutor hostCallExecutor;
IListener listener;
HostOutputMessage hostOutputMessage;
string hostId = await hostIdProvider.GetHostIdAsync(cancellationToken);
if (string.Compare(config.HostId, hostId, StringComparison.OrdinalIgnoreCase) != 0)
{
// if this isn't a static host ID, provide the HostId on the config
// so it is accessible
config.HostId = hostId;
}
if (dashboardAccount == null)
{
hostCallExecutor = new ShutdownFunctionExecutor(shutdownToken, functionExecutor);
IListener factoryListener = new ListenerFactoryListener(functionsListenerFactory);
IListener shutdownListener = new ShutdownListener(shutdownToken, factoryListener);
listener = shutdownListener;
hostOutputMessage = new DataOnlyHostOutputMessage();
}
else
{
string sharedQueueName = HostQueueNames.GetHostQueueName(hostId);
IStorageQueueClient dashboardQueueClient = dashboardAccount.CreateQueueClient();
IStorageQueue sharedQueue = dashboardQueueClient.GetQueueReference(sharedQueueName);
IListenerFactory sharedQueueListenerFactory = new HostMessageListenerFactory(sharedQueue,
queueConfiguration, exceptionHandler, trace, loggerFactory, functions,
functionInstanceLogger, functionExecutor);
Guid hostInstanceId = Guid.NewGuid();
string instanceQueueName = HostQueueNames.GetHostQueueName(hostInstanceId.ToString("N"));
IStorageQueue instanceQueue = dashboardQueueClient.GetQueueReference(instanceQueueName);
IListenerFactory instanceQueueListenerFactory = new HostMessageListenerFactory(instanceQueue,
queueConfiguration, exceptionHandler, trace, loggerFactory, functions,
functionInstanceLogger, functionExecutor);
HeartbeatDescriptor heartbeatDescriptor = new HeartbeatDescriptor
{
SharedContainerName = HostContainerNames.Hosts,
SharedDirectoryName = HostDirectoryNames.Heartbeats + "/" + hostId,
InstanceBlobName = hostInstanceId.ToString("N"),
ExpirationInSeconds = (int)HeartbeatIntervals.ExpirationInterval.TotalSeconds
};
IStorageBlockBlob blob = dashboardAccount.CreateBlobClient()
.GetContainerReference(heartbeatDescriptor.SharedContainerName)
.GetBlockBlobReference(heartbeatDescriptor.SharedDirectoryName + "/" + heartbeatDescriptor.InstanceBlobName);
IRecurrentCommand heartbeatCommand = new UpdateHostHeartbeatCommand(new HeartbeatCommand(blob));
IEnumerable <MethodInfo> indexedMethods = functions.ReadAllMethods();
Assembly hostAssembly = GetHostAssembly(indexedMethods);
string displayName = hostAssembly != null?AssemblyNameCache.GetName(hostAssembly).Name : "Unknown";
hostOutputMessage = new DataOnlyHostOutputMessage
{
HostInstanceId = hostInstanceId,
HostDisplayName = displayName,
SharedQueueName = sharedQueueName,
InstanceQueueName = instanceQueueName,
Heartbeat = heartbeatDescriptor,
WebJobRunIdentifier = WebJobRunIdentifier.Current
};
hostCallExecutor = CreateHostCallExecutor(instanceQueueListenerFactory, heartbeatCommand,
exceptionHandler, shutdownToken, functionExecutor);
IListenerFactory hostListenerFactory = new CompositeListenerFactory(functionsListenerFactory,
sharedQueueListenerFactory, instanceQueueListenerFactory);
listener = CreateHostListener(hostListenerFactory, heartbeatCommand, exceptionHandler, shutdownToken);
// Publish this to Azure logging account so that a web dashboard can see it.
await LogHostStartedAsync(functions, hostOutputMessage, hostInstanceLogger, combinedCancellationToken);
}
functionExecutor.HostOutputMessage = hostOutputMessage;
IEnumerable <FunctionDescriptor> descriptors = functions.ReadAllDescriptors();
int descriptorsCount = descriptors.Count();
ILogger startupLogger = loggerFactory?.CreateLogger(LogCategories.Startup);
if (config.UsingDevelopmentSettings)
{
string msg = "Development settings applied";
trace.Verbose(msg);
startupLogger?.LogDebug(msg);
}
if (descriptorsCount == 0)
{
string msg = string.Format("No job functions found. Try making your job classes and methods public. {0}",
Constants.ExtensionInitializationMessage);
trace.Warning(msg, Host.TraceSource.Indexing);
startupLogger?.LogWarning(msg);
}
else
{
StringBuilder functionsTrace = new StringBuilder();
functionsTrace.AppendLine("Found the following functions:");
foreach (FunctionDescriptor descriptor in descriptors)
{
functionsTrace.AppendLine(descriptor.FullName);
}
string msg = functionsTrace.ToString();
trace.Info(msg, Host.TraceSource.Indexing);
startupLogger?.LogInformation(msg);
}
return(new JobHostContext(
functions,
hostCallExecutor,
listener,
trace,
functionEventCollector,
loggerFactory));
}
}
Task <IFunctionOutputLogger> IFunctionOutputLoggerProvider.GetAsync(CancellationToken cancellationToken)
{
IFunctionOutputLogger logger = this;
return(Task.FromResult(logger));
}
private static IServiceProvider CreateServiceProvider <TResult>(IStorageAccount storageAccount, Type programType,
IExtensionTypeLocator extensionTypeLocator, IJobActivator activator,
TaskCompletionSource <TResult> taskSource, IFunctionInstanceLogger functionInstanceLogger, IExtensionRegistry extensions = null)
{
IStorageAccountProvider storageAccountProvider = new FakeStorageAccountProvider
{
StorageAccount = storageAccount
};
IHostIdProvider hostIdProvider = new FakeHostIdProvider();
INameResolver nameResolver = null;
IQueueConfiguration queueConfiguration = new FakeQueueConfiguration(storageAccountProvider);
IBackgroundExceptionDispatcher backgroundExceptionDispatcher =
new TaskBackgroundExceptionDispatcher <TResult>(taskSource);
ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor =
new ContextAccessor <IMessageEnqueuedWatcher>();
ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor =
new ContextAccessor <IBlobWrittenWatcher>();
ISharedContextProvider sharedContextProvider = new SharedContextProvider();
if (extensions == null)
{
extensions = new DefaultExtensionRegistry();
}
ITriggerBindingProvider triggerBindingProvider = DefaultTriggerBindingProvider.Create(nameResolver,
storageAccountProvider, extensionTypeLocator, hostIdProvider,
queueConfiguration, backgroundExceptionDispatcher, messageEnqueuedWatcherAccessor,
blobWrittenWatcherAccessor, sharedContextProvider, extensions, TextWriter.Null);
IBindingProvider bindingProvider = DefaultBindingProvider.Create(nameResolver, storageAccountProvider,
extensionTypeLocator, messageEnqueuedWatcherAccessor,
blobWrittenWatcherAccessor, extensions);
IFunctionInstanceLoggerProvider functionInstanceLoggerProvider = new NullFunctionInstanceLoggerProvider();
IFunctionOutputLoggerProvider functionOutputLoggerProvider = new NullFunctionOutputLoggerProvider();
Task <IFunctionOutputLogger> task = functionOutputLoggerProvider.GetAsync(CancellationToken.None);
task.Wait();
IFunctionOutputLogger functionOutputLogger = task.Result;
FunctionExecutor executor = new FunctionExecutor(functionInstanceLogger, functionOutputLogger, backgroundExceptionDispatcher);
ITypeLocator typeLocator = new FakeTypeLocator(programType);
FunctionIndexProvider functionIndexProvider = new FunctionIndexProvider(
typeLocator, triggerBindingProvider, bindingProvider,
activator, executor, extensions);
IJobHostContextFactory contextFactory = new FakeJobHostContextFactory
{
TypeLocator = typeLocator,
FunctionIndexProvider = functionIndexProvider,
StorageAccountProvider = storageAccountProvider,
BackgroundExceptionDispatcher = backgroundExceptionDispatcher,
BindingProvider = bindingProvider,
ConsoleProvider = new NullConsoleProvider(),
HostInstanceLoggerProvider = new NullHostInstanceLoggerProvider(),
FunctionExecutor = executor,
FunctionInstanceLoggerProvider = functionInstanceLoggerProvider,
FunctionOutputLoggerProvider = functionOutputLoggerProvider,
HostIdProvider = hostIdProvider,
QueueConfiguration = queueConfiguration
};
return(new FakeServiceProvider
{
ContextFactory = contextFactory
});
}
internal static async Task <JobHostContext> CreateAndLogHostStartedAsync(
IStorageAccountProvider storageAccountProvider,
IFunctionIndexProvider functionIndexProvider,
IBindingProvider bindingProvider,
IHostIdProvider hostIdProvider,
IHostInstanceLoggerProvider hostInstanceLoggerProvider,
IFunctionInstanceLoggerProvider functionInstanceLoggerProvider,
IFunctionOutputLoggerProvider functionOutputLoggerProvider,
IQueueConfiguration queueConfiguration,
IBackgroundExceptionDispatcher backgroundExceptionDispatcher,
IConsoleProvider consoleProvider,
CancellationToken shutdownToken,
CancellationToken cancellationToken)
{
using (CancellationTokenSource combinedCancellationSource =
CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, shutdownToken))
{
CancellationToken combinedCancellationToken = combinedCancellationSource.Token;
await WriteSiteExtensionManifestAsync(combinedCancellationToken);
IStorageAccount dashboardAccount = await storageAccountProvider.GetDashboardAccountAsync(
combinedCancellationToken);
IHostInstanceLogger hostInstanceLogger = await hostInstanceLoggerProvider.GetAsync(
combinedCancellationToken);
IFunctionInstanceLogger functionInstanceLogger = await functionInstanceLoggerProvider.GetAsync(
combinedCancellationToken);
IFunctionOutputLogger functionOutputLogger = await functionOutputLoggerProvider.GetAsync(
combinedCancellationToken);
IFunctionIndex functions = await functionIndexProvider.GetAsync(combinedCancellationToken);
IListenerFactory functionsListenerFactory = new HostListenerFactory(functions.ReadAll());
FunctionExecutor executor = new FunctionExecutor(functionInstanceLogger, functionOutputLogger,
backgroundExceptionDispatcher);
TextWriter consoleOut = consoleProvider.Out;
IFunctionExecutor hostCallExecutor;
IListener listener;
HostOutputMessage hostOutputMessage;
if (dashboardAccount != null)
{
string hostId = await hostIdProvider.GetHostIdAsync(cancellationToken);
string sharedQueueName = HostQueueNames.GetHostQueueName(hostId);
IStorageQueueClient dashboardQueueClient = dashboardAccount.CreateQueueClient();
IStorageQueue sharedQueue = dashboardQueueClient.GetQueueReference(sharedQueueName);
IListenerFactory sharedQueueListenerFactory = new HostMessageListenerFactory(sharedQueue,
queueConfiguration, backgroundExceptionDispatcher, consoleOut, functions,
functionInstanceLogger);
Guid hostInstanceId = Guid.NewGuid();
string instanceQueueName = HostQueueNames.GetHostQueueName(hostInstanceId.ToString("N"));
IStorageQueue instanceQueue = dashboardQueueClient.GetQueueReference(instanceQueueName);
IListenerFactory instanceQueueListenerFactory = new HostMessageListenerFactory(instanceQueue,
queueConfiguration, backgroundExceptionDispatcher, consoleOut, functions,
functionInstanceLogger);
HeartbeatDescriptor heartbeatDescriptor = new HeartbeatDescriptor
{
SharedContainerName = HostContainerNames.Hosts,
SharedDirectoryName = HostDirectoryNames.Heartbeats + "/" + hostId,
InstanceBlobName = hostInstanceId.ToString("N"),
ExpirationInSeconds = (int)HeartbeatIntervals.ExpirationInterval.TotalSeconds
};
IRecurrentCommand heartbeatCommand = new UpdateHostHeartbeatCommand(new HeartbeatCommand(
dashboardAccount,
heartbeatDescriptor.SharedContainerName,
heartbeatDescriptor.SharedDirectoryName + "/" + heartbeatDescriptor.InstanceBlobName));
IEnumerable <MethodInfo> indexedMethods = functions.ReadAllMethods();
Assembly hostAssembly = GetHostAssembly(indexedMethods);
string displayName = hostAssembly != null?hostAssembly.GetName().Name : "Unknown";
hostOutputMessage = new DataOnlyHostOutputMessage
{
HostInstanceId = hostInstanceId,
HostDisplayName = displayName,
SharedQueueName = sharedQueueName,
InstanceQueueName = instanceQueueName,
Heartbeat = heartbeatDescriptor,
WebJobRunIdentifier = WebJobRunIdentifier.Current
};
hostCallExecutor = CreateHostCallExecutor(instanceQueueListenerFactory, heartbeatCommand,
backgroundExceptionDispatcher, shutdownToken, executor);
IListenerFactory hostListenerFactory = new CompositeListenerFactory(functionsListenerFactory,
sharedQueueListenerFactory, instanceQueueListenerFactory);
listener = CreateHostListener(hostListenerFactory, heartbeatCommand, backgroundExceptionDispatcher,
shutdownToken, executor);
// Publish this to Azure logging account so that a web dashboard can see it.
await LogHostStartedAsync(functions, hostOutputMessage, hostInstanceLogger,
combinedCancellationToken);
}
else
{
hostCallExecutor = new ShutdownFunctionExecutor(shutdownToken, executor);
IListener factoryListener = new ListenerFactoryListener(functionsListenerFactory, executor);
IListener shutdownListener = new ShutdownListener(shutdownToken, factoryListener);
listener = shutdownListener;
hostOutputMessage = new DataOnlyHostOutputMessage();
}
executor.HostOutputMessage = hostOutputMessage;
IEnumerable <FunctionDescriptor> descriptors = functions.ReadAllDescriptors();
int descriptorsCount = descriptors.Count();
if (descriptorsCount == 0)
{
consoleOut.WriteLine(
"No functions found. Try making job classes and methods public.");
}
else
{
consoleOut.WriteLine("Found the following functions:");
foreach (FunctionDescriptor descriptor in descriptors)
{
consoleOut.WriteLine(descriptor.FullName);
}
}
return(new JobHostContext(functions, hostCallExecutor, listener, consoleOut));
}
}
