FetchAzureDataLakeStorage 2.3.0¶
BUNDLE¶
org.apache.nifi | nifi-azure-nar
DESCRIPTION¶
Fetch the specified file from Azure Data Lake Storage
INPUT REQUIREMENT¶
REQUIRED
Supports Sensitive Dynamic Properties¶
false
PROPERTIES¶
Property |
Description |
|---|---|
adls-credentials-service |
Controller Service used to obtain Azure Credentials. |
directory-name |
Name of the Azure Storage Directory. The Directory Name cannot contain a leading ‘/’. The root directory can be designated by the empty string value. In case of the PutAzureDataLakeStorage processor, the directory will be created if not already existing. |
file-name |
The filename |
filesystem-name |
Name of the Azure Storage File System (also called Container). It is assumed to be already existing. |
number-of-retries |
The number of automatic retries to perform if the download fails. |
proxy-configuration-service |
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. |
range-length |
The number of bytes to download from the object, starting from the Range Start. An empty value or a value that extends beyond the end of the object will read to the end of the object. |
range-start |
The byte position at which to start reading from the object. An empty value or a value of zero will start reading at the beginning of the object. |
RELATIONSHIPS¶
NAME |
DESCRIPTION |
|---|---|
failure |
Files that could not be written to Azure storage for some reason are transferred to this relationship |
success |
Files that have been successfully written to Azure storage are transferred to this relationship |
WRITES ATTRIBUTES¶
NAME |
DESCRIPTION |
|---|---|
azure.datalake.storage.statusCode |
The HTTP error code (if available) from the failed operation |
azure.datalake.storage.errorCode |
The Azure Data Lake Storage moniker of the failed operation |
azure.datalake.storage.errorMessage |
The Azure Data Lake Storage error message from the failed operation |
Use Cases Involving Other Components¶
Retrieve all files in an Azure DataLake Storage directory |