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;
FunctionStatusLogger functionStatusLogger = new FunctionStatusLogger(_hostIdProvider, storageAccount.CreateBlobClient());
_functionInstanceLogger = new CompositeFunctionInstanceLogger(queueLogger, traceWriterFunctionLogger, functionStatusLogger);
_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 FunctionStatusLoggerTests()
{
Mock<IStorageBlobClient> blobClientMock = new Mock<IStorageBlobClient>(MockBehavior.Strict);
blobClientMock.Setup(p => p.GetContainerReference(HostContainerNames.Hosts)).Returns(_containerMock.Object);
_logger = new FunctionStatusLogger(new FixedHostIdProvider(_hostId), blobClientMock.Object);
}
