// Static initialization. Returns a service provider with some new services initialized. // The new services: // - can retrieve static config like binders and converters; but the listeners haven't yet started. // - can be flowed into the runtime initialization to get a JobHost spun up and running. // This is just static initialization and should not need to make any network calls, // and so this method should not need to be async. // This can be called multiple times on a config, which is why it returns a new ServiceProviderWrapper // instead of modifying the config. public static ServiceProviderWrapper CreateStaticServices(this JobHostConfiguration config) { var services = new ServiceProviderWrapper(config); var consoleProvider = services.GetService <IConsoleProvider>(); var nameResolver = services.GetService <INameResolver>(); IWebJobsExceptionHandler exceptionHandler = services.GetService <IWebJobsExceptionHandler>(); IQueueConfiguration queueConfiguration = services.GetService <IQueueConfiguration>(); var blobsConfiguration = config.Blobs; IStorageAccountProvider storageAccountProvider = services.GetService <IStorageAccountProvider>(); IBindingProvider bindingProvider = services.GetService <IBindingProvider>(); SingletonManager singletonManager = services.GetService <SingletonManager>(); IHostIdProvider hostIdProvider = services.GetService <IHostIdProvider>(); var hostId = config.HostId; if (hostId != null) { hostIdProvider = new FixedHostIdProvider(hostId); } // Need a deferred getter since the IFunctionIndexProvider service isn't created until later. Func <IFunctionIndexProvider> deferredGetter = () => services.GetService <IFunctionIndexProvider>(); if (hostIdProvider == null) { hostIdProvider = new DynamicHostIdProvider(storageAccountProvider, deferredGetter); } services.AddService <IHostIdProvider>(hostIdProvider); AzureStorageDeploymentValidator.Validate(); IExtensionTypeLocator extensionTypeLocator = services.GetService <IExtensionTypeLocator>(); if (extensionTypeLocator == null) { extensionTypeLocator = new ExtensionTypeLocator(services.GetService <ITypeLocator>()); services.AddService <IExtensionTypeLocator>(extensionTypeLocator); } ContextAccessor <IMessageEnqueuedWatcher> messageEnqueuedWatcherAccessor = new ContextAccessor <IMessageEnqueuedWatcher>(); services.AddService(messageEnqueuedWatcherAccessor); ContextAccessor <IBlobWrittenWatcher> blobWrittenWatcherAccessor = new ContextAccessor <IBlobWrittenWatcher>(); ISharedContextProvider sharedContextProvider = new SharedContextProvider(); // Create a wrapper TraceWriter that delegates to both the user // TraceWriters specified via config (if present), as well as to Console TraceWriter trace = new ConsoleTraceWriter(config.Tracing, consoleProvider.Out); services.AddService <TraceWriter>(trace); // Add built-in extensions var metadataProvider = new JobHostMetadataProvider(deferredGetter); metadataProvider.AddAttributesFromAssembly(typeof(TableAttribute).Assembly); var exts = config.GetExtensions(); bool builtinsAdded = exts.GetExtensions <IExtensionConfigProvider>().OfType <TableExtension>().Any(); if (!builtinsAdded) { config.AddExtension(new TableExtension()); config.AddExtension(new QueueExtension()); } ExtensionConfigContext context = new ExtensionConfigContext { Config = config, Trace = trace, PerHostServices = services }; InvokeExtensionConfigProviders(context); // After this point, all user configuration has been set. if (singletonManager == null) { var logger = config.LoggerFactory?.CreateLogger(LogCategories.Singleton); IDistributedLockManager lockManager = services.GetService <IDistributedLockManager>(); if (lockManager == null) { lockManager = new BlobLeaseDistributedLockManager( storageAccountProvider, trace, logger); services.AddService <IDistributedLockManager>(lockManager); } singletonManager = new SingletonManager( lockManager, config.Singleton, trace, exceptionHandler, config.LoggerFactory, hostIdProvider, services.GetService <INameResolver>()); services.AddService <SingletonManager>(singletonManager); } IExtensionRegistry extensions = services.GetExtensions(); ITriggerBindingProvider triggerBindingProvider = DefaultTriggerBindingProvider.Create(nameResolver, storageAccountProvider, extensionTypeLocator, hostIdProvider, queueConfiguration, blobsConfiguration, exceptionHandler, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, sharedContextProvider, extensions, singletonManager, trace, config.LoggerFactory); services.AddService <ITriggerBindingProvider>(triggerBindingProvider); if (bindingProvider == null) { bindingProvider = DefaultBindingProvider.Create(nameResolver, config.LoggerFactory, storageAccountProvider, extensionTypeLocator, blobWrittenWatcherAccessor, extensions); services.AddService <IBindingProvider>(bindingProvider); } var converterManager = (ConverterManager)config.ConverterManager; metadataProvider.Initialize(bindingProvider, converterManager, exts); services.AddService <IJobHostMetadataProvider>(metadataProvider); return(services); }
public static async Task <JobHostContext> CreateAndLogHostStartedAsync( JobHost host, IStorageAccountProvider storageAccountProvider, IQueueConfiguration queueConfiguration, JobHostBlobsConfiguration blobsConfiguration, ITypeLocator typeLocator, IJobActivator activator, INameResolver nameResolver, IConsoleProvider consoleProvider, JobHostConfiguration config, CancellationToken shutdownToken, CancellationToken cancellationToken, IWebJobsExceptionHandler exceptionHandler, IHostIdProvider hostIdProvider = null, FunctionExecutor functionExecutor = null, IFunctionIndexProvider functionIndexProvider = null, IBindingProvider bindingProvider = null, IHostInstanceLoggerProvider hostInstanceLoggerProvider = null, IFunctionInstanceLoggerProvider functionInstanceLoggerProvider = null, IFunctionOutputLoggerProvider functionOutputLoggerProvider = null, SingletonManager singletonManager = null, IAsyncCollector <FunctionInstanceLogEntry> fastLogger = null) { if (hostIdProvider == null) { hostIdProvider = new DynamicHostIdProvider(storageAccountProvider, () => functionIndexProvider); } AzureStorageDeploymentValidator.Validate(); var converterManager = config.ConverterManager; IExtensionTypeLocator extensionTypeLocator = new ExtensionTypeLocator(typeLocator); 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 // TraceWriters specified via 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); if (exceptionHandler != null) { exceptionHandler.Initialize(host); } ExtensionConfigContext context = new ExtensionConfigContext { Config = config, Trace = trace }; InvokeExtensionConfigProviders(context); if (singletonManager == null) { singletonManager = new SingletonManager(storageAccountProvider, exceptionHandler, config.Singleton, trace, hostIdProvider, config.NameResolver); } IExtensionRegistry extensions = config.GetExtensions(); ITriggerBindingProvider triggerBindingProvider = DefaultTriggerBindingProvider.Create(nameResolver, storageAccountProvider, extensionTypeLocator, hostIdProvider, queueConfiguration, blobsConfiguration, exceptionHandler, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, sharedContextProvider, extensions, singletonManager, trace); if (bindingProvider == null) { bindingProvider = DefaultBindingProvider.Create(nameResolver, converterManager, storageAccountProvider, extensionTypeLocator, messageEnqueuedWatcherAccessor, blobWrittenWatcherAccessor, extensions); } bool hasFastTableHook = config.GetService <IAsyncCollector <FunctionInstanceLogEntry> >() != null; bool noDashboardStorage = config.DashboardConnectionString == 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) { functionExecutor = new FunctionExecutor(functionInstanceLogger, functionOutputLogger, exceptionHandler, trace, fastLogger); } if (functionIndexProvider == null) { functionIndexProvider = new FunctionIndexProvider(typeLocator, triggerBindingProvider, bindingProvider, activator, functionExecutor, extensions, singletonManager, trace); } IFunctionIndex functions = await functionIndexProvider.GetAsync(combinedCancellationToken); IListenerFactory functionsListenerFactory = new HostListenerFactory(functions.ReadAll(), singletonManager, activator, nameResolver, trace); 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, 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, 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, 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(); if (config.UsingDevelopmentSettings) { trace.Verbose(string.Format("Development settings applied")); } 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, fastLogger)); } }