[jira] [Created] (NIFI-4826) ListAzureBlobStorage doesn't write azure.blobname properly

["zenfenan (JIRA)" <ji...@apache.org>]

zenfenan created NIFI-4826:
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             Summary: ListAzureBlobStorage doesn't write azure.blobname properly
                 Key: NIFI-4826
                 URL: https://issues.apache.org/jira/browse/NIFI-4826
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Extensions
    Affects Versions: 1.5.0, 1.4.0, 1.3.0, 1.2.0
            Reporter: zenfenan


ListAzureBlobStorage as of now takes the substring from the blob's primary URI i.e. primaryUri.lastIndexOf('/') + 1 and writes that as azure.blobname. For ex, if the blob is in the path "mystorageaccountname.blob.core.windows.net/container-name/path/to/the/blob". It will write azure.blobname as "blob". So if we have the blob located under a multiple hierarchy directory structure such as the above one, it will be troublesome in the downstream processors like FetchAzureBlobStorage which expects the full blob name to be given i.e. "path/to/the/blob". Giving just "blob" here will fail.

A workaround that can be followed right now, is to use "ExecuteScript" and get the substring from primary URI i.e. everything after the "https://"+storageAccountName+"/"+containerName+"/". A better approach would be to make use of the CloudBlob.getName() API provided in Azure SDK. It should be a minor change since we are already using this SDK and the class in our processor.



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