/// <summary>
/// Get the id of a function invocation that wrote a given blob.
/// </summary>
/// <returns>The function invocation's id, or Guid.Empty if no owner is specified, or null if the blob is missing.</returns>
private static Guid?GetBlobWriter(ICloudBlob blob)
{
if (blob == null)
{
return(null);
}
try
{
return(BlobCausalityReader.GetParentId(blob) ?? Guid.Empty);
}
catch (StorageException e)
{
if (e.RequestInformation.HttpStatusCode == 404 || e.RequestInformation.HttpStatusCode == 400)
{
// NoBlob
return(null);
}
else
{
throw;
}
}
}
public ActionResult SearchBlob(string path)
{
ViewBag.Path = path;
if (String.IsNullOrEmpty(path))
{
return(View());
}
if (_account == null)
{
TempData["Message.Text"] = "Account not found";
TempData["Message.Level"] = "danger";
return(View());
}
ICloudBlob blob = null;
try
{
BlobPath parsed = BlobPath.Parse(path);
LocalBlobDescriptor descriptor = new LocalBlobDescriptor
{
ContainerName = parsed.ContainerName,
BlobName = parsed.BlobName
};
IReadOnlyDictionary <string, CloudStorageAccount> accounts = AccountProvider.GetAccounts();
foreach (var account in accounts.Values)
{
blob = descriptor.GetBlockBlob(account);
if (blob.Exists())
{
break;
}
else
{
blob = null;
}
}
}
catch (FormatException e)
{
TempData["Message.Text"] = e.Message;
TempData["Message.Level"] = "danger";
return(View());
}
catch
{
blob = null;
}
if (blob == null)
{
TempData["Message.Text"] = "No invocation found for: " + path;
TempData["Message.Level"] = "warning";
return(View());
}
Guid?guid;
try
{
guid = BlobCausalityReader.GetParentId(blob);
}
catch
{
guid = null;
}
if (!guid.HasValue)
{
TempData["Message.Text"] = "No invocation found for: " + path;
TempData["Message.Level"] = "warning";
return(View());
}
TempData["Message.Text"] = "Invocation found for: " + path;
TempData["Message.Level"] = "info";
return(Redirect("~/#/functions/invocations/" + guid));
}
