FetchAzureBlobStorage_v12

Description:

Retrieves the specified blob from Azure Blob Storage and writes its content to the content of the FlowFile. The processor uses Azure Blob Storage client library v12.

Tags:

azure, microsoft, cloud, storage, blob

Properties:

In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.

NameDefault ValueAllowable ValuesDescription
Storage CredentialsController Service API:
AzureStorageCredentialsService_v12
Implementation: AzureStorageCredentialsControllerService_v12
Controller Service used to obtain Azure Blob Storage Credentials.
Container Name${azure.container}Name of the Azure storage container. In case of PutAzureBlobStorage processor, container can be created if it does not exist.
Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)
Blob Name${azure.blobname}The full name of the blob
Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)
Range StartThe byte position at which to start reading from the blob. An empty value or a value of zero will start reading at the beginning of the blob.
Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)
Range LengthThe number of bytes to download from the blob, starting from the Range Start. An empty value or a value that extends beyond the end of the blob will read to the end of the blob.
Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)
Proxy Configuration ServiceController Service API:
ProxyConfigurationService
Implementation: StandardProxyConfigurationService
Specifies the Proxy Configuration Controller Service to proxy network requests. Supported proxies: HTTP, SOCKS In case of SOCKS, it is not guaranteed that the selected SOCKS Version will be used by the processor.

Relationships:

NameDescription
successAll successfully processed FlowFiles are routed to this relationship
failureUnsuccessful operations will be transferred to the failure relationship.

Reads Attributes:

None specified.

Writes Attributes:

NameDescription
azure.containerThe name of the Azure Blob Storage container
azure.blobnameThe name of the blob on Azure Blob Storage
azure.primaryUriPrimary location of the blob
azure.etagETag of the blob
azure.blobtypeType of the blob (either BlockBlob, PageBlob or AppendBlob)
mime.typeMIME Type of the content
langLanguage code for the content
azure.timestampTimestamp of the blob
azure.lengthLength of the blob

State management:

This component does not store state.

Restricted:

This component is not restricted.

Input requirement:

This component requires an incoming relationship.

System Resource Considerations:

None specified.

See Also:

ListAzureBlobStorage_v12, PutAzureBlobStorage_v12, DeleteAzureBlobStorage_v12