FetchAzureBlobStorage

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.

Name	Default Value	Allowable Values	Description
Storage Credentials		Controller 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 Start			The 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 Length			The 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)

Relationships:

Name	Description
success	All successfully processed FlowFiles are routed to this relationship
failure	Unsuccessful operations will be transferred to the failure relationship.

Reads Attributes:

None specified.

Writes Attributes:

Name	Description
azure.container	The name of the Azure Blob Storage container
azure.blobname	The name of the blob on Azure Blob Storage
azure.primaryUri	Primary location of the blob
azure.etag	ETag of the blob
azure.blobtype	Type of the blob (either BlockBlob, PageBlob or AppendBlob)
mime.type	MIME Type of the content
lang	Language code for the content
azure.timestamp	Timestamp of the blob
azure.length	Length 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: