public async Task Run([BlobTrigger("databus/{name}", Connection = "DataBusStorageAccount")] CloudBlockBlob myBlob, [DurableClient] IDurableOrchestrationClient starter, ILogger log)
{
log.LogInformation($"Blob created at {myBlob.Uri}");
var instanceId = myBlob.Name;
var existingInstance = await starter.GetStatusAsync(instanceId);
if (existingInstance != null)
{
log.LogInformation($"{nameof(DataBusCleanupOrchestrator)} has already been started for blob {myBlob.Uri}.");
return;
}
var validUntilUtc = calculator.GetValidUntil(myBlob);
if (validUntilUtc == DateTime.MaxValue)
{
log.LogError($"Could not parse the 'ValidUntil' value for blob {myBlob.Uri}. Cleanup will not happen on this blob. You may consider manually removing this entry if non-expiry is incorrect.");
return;
}
await starter.StartNewAsync(nameof(DataBusCleanupOrchestrator), instanceId, new DataBusBlobData
{
Path = myBlob.Uri.ToString(),
ValidUntilUtc = calculator.ToWireFormattedString(validUntilUtc)
});
}
public async Task <IActionResult> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req, [DurableClient] IDurableOrchestrationClient starter, ILogger log)
{
var counter = 0;
try
{
BlobContinuationToken token = null;
do
{
var segment = await container.ListBlobsSegmentedAsync(token).ConfigureAwait(false);
token = segment.ContinuationToken;
foreach (var blockBlob in segment.Results.Where(blob => blob is CloudBlockBlob).Cast <CloudBlockBlob>())
{
var instanceId = blockBlob.Name;
var existingInstance = await starter.GetStatusAsync(instanceId);
if (existingInstance != null)
{
log.LogInformation($"{nameof(DataBusCleanupOrchestrator)} has already been started for blob {blockBlob.Uri}.");
continue;
}
var validUntilUtc = calculator.GetValidUntil(blockBlob);
if (validUntilUtc == DateTime.MaxValue)
{
log.LogError($"Could not parse the 'ValidUntilUtc' value for blob {blockBlob.Uri}. Cleanup will not happen on this blob. You may consider manually removing this entry if non-expiry is incorrect.");
continue;
}
await starter.StartNewAsync(nameof(DataBusCleanupOrchestrator), instanceId, new DataBusBlobData
{
Path = blockBlob.Uri.ToString(),
ValidUntilUtc = calculator.ToWireFormattedString(validUntilUtc)
});
counter++;
}
} while (token != null);
}
catch (Exception exception)
{
var result = new ObjectResult(exception.Message)
{
StatusCode = (int)HttpStatusCode.InternalServerError
};
return(result);
}
var message = "DataBusOrchestrateExistingBlobs has completed." + (counter > 0 ? $" {counter} blob{(counter > 1 ? "s" : string.Empty)} will be tracked for clean-up." : string.Empty);
return(new OkObjectResult(message));
}
public static async Task Run(
[OrchestrationClient] DurableOrchestrationClient starter,
TraceWriter log)
{
var storageConnectionString = Environment.GetEnvironmentVariable("DataBusStorageAccount");
var cloudStorageAccount = CloudStorageAccount.Parse(storageConnectionString);
var cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
var container = cloudBlobClient.GetContainerReference("databus");
BlobContinuationToken token = null;
do
{
var segment = await container.ListBlobsSegmentedAsync(token).ConfigureAwait(false);
token = segment.ContinuationToken;
foreach (var blockBlob in segment.Results.Where(blob => blob is CloudBlockBlob).Cast <CloudBlockBlob>())
{
var instanceId = blockBlob.Name;
var existingInstance = await starter.GetStatusAsync(instanceId);
if (existingInstance != null)
{
log.Info($"{nameof(DataBusCleanupOrchestrator)} has already been started for blob {blockBlob.Uri}.");
continue;
}
var validUntilUtc = DataBusBlobTimeoutCalculator.GetValidUntil(blockBlob);
if (validUntilUtc == DateTime.MaxValue)
{
log.Error($"Could not parse the 'ValidUntil' value `{blockBlob.Metadata["ValidUntil"]}` for blob {blockBlob.Uri}. Cleanup will not happen on this blob. You may consider manually removing this entry if non-expiry is incorrect.");
continue;
}
await starter.StartNewAsync(nameof(DataBusCleanupOrchestrator), instanceId, new DataBusBlobData
{
Path = blockBlob.Uri.ToString(),
ValidUntilUtc = DataBusBlobTimeoutCalculator.ToWireFormattedString(validUntilUtc)
});
}
} while (token != null);
}