public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
var blobTriggerAttribute = TypeUtility.GetResolvedAttribute <BlobTriggerAttribute>(context.Parameter);
if (blobTriggerAttribute == null)
{
return(null);
}
string resolvedCombinedPath = Resolve(blobTriggerAttribute.BlobPath);
IBlobPathSource path = BlobPathSource.Create(resolvedCombinedPath);
IStorageAccount hostAccount = await _accountProvider.GetStorageAccountAsync(context.CancellationToken);
IStorageAccount dataAccount = await _accountProvider.GetStorageAccountAsync(blobTriggerAttribute, context.CancellationToken, _nameResolver);
// premium does not support blob logs, so disallow for blob triggers
dataAccount.AssertTypeOneOf(StorageAccountType.GeneralPurpose, StorageAccountType.BlobOnly);
ITriggerBinding binding = new BlobTriggerBinding(parameter, hostAccount, dataAccount, path,
_hostIdProvider, _queueConfiguration, _blobsConfiguration, _exceptionHandler, _blobWrittenWatcherSetter,
_messageEnqueuedWatcherSetter, _sharedContextProvider, _singletonManager, _loggerFactory);
return(binding);
}
public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
BlobTriggerAttribute blobTriggerAttribute = parameter.GetCustomAttribute <BlobTriggerAttribute>(inherit: false);
if (blobTriggerAttribute == null)
{
return(null);
}
string resolvedCombinedPath = Resolve(blobTriggerAttribute.BlobPath);
IBlobPathSource path = BlobPathSource.Create(resolvedCombinedPath);
IArgumentBinding <IStorageBlob> argumentBinding = _provider.TryCreate(parameter, access: null);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind BlobTrigger to type '" + parameter.ParameterType + "'.");
}
IStorageAccount hostAccount = await _accountProvider.GetStorageAccountAsync(context.CancellationToken);
IStorageAccount dataAccount = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken, _nameResolver);
// premium does not support blob logs, so disallow for blob triggers
dataAccount.AssertTypeOneOf(StorageAccountType.GeneralPurpose, StorageAccountType.BlobOnly);
ITriggerBinding binding = new BlobTriggerBinding(parameter, argumentBinding, hostAccount, dataAccount, path,
_hostIdProvider, _queueConfiguration, _exceptionHandler, _blobWrittenWatcherSetter,
_messageEnqueuedWatcherSetter, _sharedContextProvider, _singletonManager, _trace);
return(binding);
}
public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
BlobTriggerAttribute blobTriggerAttribute = parameter.GetCustomAttribute <BlobTriggerAttribute>(inherit: false);
if (blobTriggerAttribute == null)
{
return(null);
}
string resolvedCombinedPath = Resolve(blobTriggerAttribute.BlobPath);
IBlobPathSource path = BlobPathSource.Create(resolvedCombinedPath);
IArgumentBinding <IStorageBlob> argumentBinding = _provider.TryCreate(parameter, access: null);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind BlobTrigger to type '" + parameter.ParameterType + "'.");
}
IStorageAccount hostAccount = await _accountProvider.GetStorageAccountAsync(context.CancellationToken);
IStorageAccount dataAccount = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken, _nameResolver);
ITriggerBinding binding = new BlobTriggerBinding(parameter, argumentBinding, hostAccount, dataAccount, path,
_hostIdProvider, _queueConfiguration, _backgroundExceptionDispatcher, _blobWrittenWatcherSetter,
_messageEnqueuedWatcherSetter, _sharedContextProvider, _trace);
return(binding);
}
private ParameterDescriptor ToParameterDescriptorForCollector(QueueAttribute attr, ParameterInfo parameter, INameResolver nameResolver, FileAccess access)
{
// Avoid using the sync over async pattern (Async().GetAwaiter().GetResult()) whenever possible
IStorageAccount account = _accountProvider.GetStorageAccountAsync(attr, CancellationToken.None, nameResolver).GetAwaiter().GetResult();
string accountName = account.Credentials.AccountName;
return(new QueueParameterDescriptor
{
Name = parameter.Name,
AccountName = accountName,
QueueName = NormalizeQueueName(attr, nameResolver),
Access = access
});
}
private ParameterDescriptor ToParameterDescriptorForCollector(QueueAttribute attr, ParameterInfo parameter, INameResolver nameResolver, FileAccess access)
{
Task <IStorageAccount> t = Task.Run(() =>
_accountProvider.GetStorageAccountAsync(attr, CancellationToken.None, nameResolver));
IStorageAccount account = t.GetAwaiter().GetResult();
string accountName = account.Credentials.AccountName;
return(new QueueParameterDescriptor
{
Name = parameter.Name,
AccountName = accountName,
QueueName = NormalizeQueueName(attr, nameResolver),
Access = access
});
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
QueueAttribute queueAttribute = parameter.GetCustomAttribute <QueueAttribute>(inherit: false);
if (queueAttribute == null)
{
return(null);
}
string queueName = Resolve(queueAttribute.QueueName);
IBindableQueuePath path = BindableQueuePath.Create(queueName);
path.ValidateContractCompatibility(context.BindingDataContract);
IArgumentBinding <IStorageQueue> argumentBinding = _innerProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Queue to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = parameter
};
IStorageQueueClient client = account.CreateQueueClient(clientFactoryContext);
IBinding binding = new QueueBinding(parameter.Name, argumentBinding, client, path);
return(binding);
}
public FakeQueueProcessorFactory(IStorageAccountProvider accountProvider)
{
CancellationToken token = new CancellationToken();
Task<IStorageAccount> task = accountProvider.GetStorageAccountAsync(token);
task.Wait();
_storageAccount = task.Result;
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
BlobAttribute blob = parameter.GetCustomAttribute <BlobAttribute>(inherit: false);
if (blob == null)
{
return(null);
}
string resolvedCombinedPath = Resolve(blob.BlobPath);
IBindableBlobPath path = BindableBlobPath.Create(resolvedCombinedPath);
path.ValidateContractCompatibility(context.BindingDataContract);
IBlobArgumentBinding argumentBinding = _provider.TryCreate(parameter, blob.Access);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Blob to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.CancellationToken);
IStorageBlobClient client = account.CreateBlobClient();
IBinding binding = new BlobBinding(parameter.Name, argumentBinding, client, path);
return(binding);
}
public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
QueueTriggerAttribute queueTrigger = parameter.GetCustomAttribute <QueueTriggerAttribute>(inherit: false);
if (queueTrigger == null)
{
return(null);
}
string queueName = Resolve(queueTrigger.QueueName);
queueName = NormalizeAndValidate(queueName);
ITriggerDataArgumentBinding <IStorageQueueMessage> argumentBinding = _innerProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException(
"Can't bind QueueTrigger to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.CancellationToken);
IStorageQueueClient client = account.CreateQueueClient();
IStorageQueue queue = client.GetQueueReference(queueName);
ITriggerBinding binding = new QueueTriggerBinding(parameter.Name, queue, argumentBinding,
_queueConfiguration, _backgroundExceptionDispatcher, _messageEnqueuedWatcherSetter,
_sharedContextProvider, _log);
return(binding);
}
private async Task EnsureLoggersAsync(CancellationToken cancellationToken)
{
if (_loggersSet)
{
return;
}
IStorageAccount dashboardAccount = await _storageAccountProvider.GetDashboardAccountAsync(cancellationToken);
IStorageAccount storageAccount = await _storageAccountProvider.GetStorageAccountAsync(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 async Task <string> GetHostIdAsync(CancellationToken cancellationToken)
{
IStorageAccount account;
try
{
account = await _storageAccountProvider.GetStorageAccountAsync(cancellationToken);
}
catch (InvalidOperationException exception)
{
throw new InvalidOperationException(
"A host ID is required. Either set JobHostConfiguration.HostId or provide a valid storage " +
"connection string.", exception);
}
IFunctionIndex index = await _getFunctionIndexProvider.Invoke().GetAsync(cancellationToken);
IEnumerable <MethodInfo> indexedMethods = index.ReadAllMethods();
string sharedHostName = GetSharedHostName(indexedMethods, account);
IStorageBlobDirectory directory = account.CreateBlobClient().GetContainerReference(
HostContainerNames.Hosts).GetDirectoryReference(HostDirectoryNames.Ids);
return(await GetOrCreateHostIdAsync(sharedHostName, directory, cancellationToken));
}
public FakeQueueProcessorFactory(IStorageAccountProvider accountProvider)
{
CancellationToken token = new CancellationToken();
Task <IStorageAccount> task = accountProvider.GetStorageAccountAsync(token);
_storageAccount = task.Result;
}
private async Task <IStorageBlobClient> GetClientAsync(
BlobAttribute blobAttribute,
CancellationToken cancellationToken)
{
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(blobAttribute, cancellationToken, _nameResolver);
IStorageBlobClient client = account.CreateBlobClient();
return(client);
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
TableAttribute tableAttribute = parameter.GetCustomAttribute <TableAttribute>(inherit: false);
if (tableAttribute == null)
{
return(null);
}
string tableName = Resolve(tableAttribute.TableName);
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken, _nameResolver);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = context.Parameter
};
IStorageTableClient client = account.CreateTableClient(clientFactoryContext);
bool bindsToEntireTable = tableAttribute.RowKey == null;
IBinding binding;
if (bindsToEntireTable)
{
IBindableTablePath path = BindableTablePath.Create(tableName);
path.ValidateContractCompatibility(context.BindingDataContract);
IStorageTableArgumentBinding argumentBinding = _tableBindingProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Table to type '" + parameter.ParameterType + "'.");
}
binding = new TableBinding(parameter.Name, argumentBinding, client, path);
}
else
{
string partitionKey = Resolve(tableAttribute.PartitionKey);
string rowKey = Resolve(tableAttribute.RowKey);
IBindableTableEntityPath path = BindableTableEntityPath.Create(tableName, partitionKey, rowKey);
path.ValidateContractCompatibility(context.BindingDataContract);
IArgumentBinding <TableEntityContext> argumentBinding = _entityBindingProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Table entity to type '" + parameter.ParameterType + "'.");
}
binding = new TableEntityBinding(parameter.Name, argumentBinding, client, path);
}
return(binding);
}
protected override IStorageBlobContainer GetContainer(string accountName)
{
// Get the container via a full connection string
Task <IStorageAccount> task = _accountProvider.GetStorageAccountAsync(accountName, CancellationToken.None);
IStorageAccount storageAccount = task.Result;
// singleton requires block blobs, cannot be premium
storageAccount.AssertTypeOneOf(StorageAccountType.GeneralPurpose, StorageAccountType.BlobOnly);
IStorageBlobClient blobClient = storageAccount.CreateBlobClient();
var container = blobClient.GetContainerReference(HostContainerNames.Hosts);
return(container);
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
var tableAttribute = TypeUtility.GetResolvedAttribute <TableAttribute>(context.Parameter);
if (tableAttribute == null)
{
return(null);
}
string tableName = Resolve(tableAttribute.TableName);
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(tableAttribute, context.CancellationToken, _nameResolver);
// requires storage account with table support
account.AssertTypeOneOf(StorageAccountType.GeneralPurpose);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = context.Parameter
};
IStorageTableClient client = account.CreateTableClient(clientFactoryContext);
bool bindsToEntireTable = tableAttribute.RowKey == null;
IBinding binding;
if (bindsToEntireTable)
{
// This should have been caught by the other rule-based binders.
// We never expect this to get thrown.
throw new InvalidOperationException("Can't bind Table to type '" + parameter.ParameterType + "'.");
}
else
{
string partitionKey = Resolve(tableAttribute.PartitionKey);
string rowKey = Resolve(tableAttribute.RowKey);
IBindableTableEntityPath path = BindableTableEntityPath.Create(tableName, partitionKey, rowKey);
path.ValidateContractCompatibility(context.BindingDataContract);
IArgumentBinding <TableEntityContext> argumentBinding = _entityBindingProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Table entity to type '" + parameter.ParameterType + "'.");
}
binding = new TableEntityBinding(parameter.Name, argumentBinding, client, path);
}
return(binding);
}
// For describing InvokeStrings.
private async Task <IStorageBlob> ConvertFromInvokeString(DirectInvokeString input, Attribute attr, ValueBindingContext context)
{
var attrResolved = (BlobTriggerAttribute)attr;
var account = await _accountProvider.GetStorageAccountAsync(attrResolved, CancellationToken.None);
var client = account.CreateBlobClient();
var cancellationToken = context.CancellationToken;
BlobPath path = BlobPath.ParseAndValidate(input.Value);
IStorageBlobContainer container = client.GetContainerReference(path.ContainerName);
var blob = await container.GetBlobReferenceFromServerAsync(path.BlobName, cancellationToken);
return(blob);
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
if (parameter.ParameterType != typeof(CloudStorageAccount))
{
return(null);
}
var accountAttribute = TypeUtility.GetHierarchicalAttributeOrNull <StorageAccountAttribute>(parameter);
var account = await _accountProvider.GetStorageAccountAsync(accountAttribute?.Account, context.CancellationToken);
return(new CloudStorageAccountBinding(parameter.Name, account.SdkObject));
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
if (context.Parameter.ParameterType != typeof(CloudStorageAccount))
{
return(null);
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken);
IBinding binding = new CloudStorageAccountBinding(parameter.Name, account.SdkObject);
return(binding);
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
BlobAttribute blobAttribute = parameter.GetCustomAttribute <BlobAttribute>(inherit: false);
if (blobAttribute == null)
{
return(null);
}
string resolvedPath = Resolve(blobAttribute.BlobPath);
IBindableBlobPath path = null;
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = context.Parameter
};
IStorageBlobClient client = account.CreateBlobClient(clientFactoryContext);
// first try to bind to the Container
IArgumentBinding <IStorageBlobContainer> containerArgumentBinding = _blobContainerArgumentProvider.TryCreate(parameter);
if (containerArgumentBinding == null)
{
// if this isn't a Container binding, try a Blob binding
IBlobArgumentBinding blobArgumentBinding = _blobArgumentProvider.TryCreate(parameter, blobAttribute.Access);
if (blobArgumentBinding == null)
{
throw new InvalidOperationException("Can't bind Blob to type '" + parameter.ParameterType + "'.");
}
path = BindableBlobPath.Create(resolvedPath);
path.ValidateContractCompatibility(context.BindingDataContract);
return(new BlobBinding(parameter.Name, blobArgumentBinding, client, path));
}
path = BindableBlobPath.Create(resolvedPath, isContainerBinding: true);
path.ValidateContractCompatibility(context.BindingDataContract);
BlobContainerBinding.ValidateContainerBinding(blobAttribute, parameter.ParameterType, path);
return(new BlobContainerBinding(parameter.Name, containerArgumentBinding, client, path));
}
public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
var queueTrigger = TypeUtility.GetResolvedAttribute <QueueTriggerAttribute>(context.Parameter);
if (queueTrigger == null)
{
return(null);
}
string queueName = Resolve(queueTrigger.QueueName);
queueName = NormalizeAndValidate(queueName);
ITriggerDataArgumentBinding <IStorageQueueMessage> argumentBinding = InnerProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException(
"Can't bind QueueTrigger to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(queueTrigger, context.CancellationToken, _nameResolver);
// requires storage account with queue support
account.AssertTypeOneOf(StorageAccountType.GeneralPurpose);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = parameter
};
IStorageQueueClient client = account.CreateQueueClient(clientFactoryContext);
IStorageQueue queue = client.GetQueueReference(queueName);
ITriggerBinding binding = new QueueTriggerBinding(parameter.Name, queue, argumentBinding,
_queueConfiguration, _exceptionHandler, _messageEnqueuedWatcherSetter,
_sharedContextProvider, _loggerFactory);
return(binding);
}
public static async Task <JobHostContext> CreateAndLogHostStartedAsync(
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 the 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
};
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)
{
IStorageAccount storageAccount = await storageAccountProvider.GetStorageAccountAsync(cancellationToken);
singletonManager = new SingletonManager(storageAccount.CreateBlobClient(), backgroundExceptionDispatcher, config.Singleton, trace);
}
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);
}
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);
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
};
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, 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("No functions found. Try making job classes and methods public.", 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));
}
}
public static async Task<JobHostContext> CreateAndLogHostStartedAsync(
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 the 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
};
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)
{
IStorageAccount storageAccount = await storageAccountProvider.GetStorageAccountAsync(cancellationToken);
singletonManager = new SingletonManager(storageAccount.CreateBlobClient(), backgroundExceptionDispatcher, config.Singleton, trace);
}
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);
}
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);
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
};
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, 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("No functions found. Try making job classes and methods public.", 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);
}
}
public static async Task <IStorageAccount> GetStorageAccountAsync(this IStorageAccountProvider provider, IConnectionProvider connectionProvider, CancellationToken cancellationToken, INameResolver nameResolver = null)
{
return(await provider.GetStorageAccountAsync(connectionProvider.Connection, cancellationToken, nameResolver));
}