Puts content into a blob on Azure Blob Storage. The processor uses Azure Blob Storage client library v12.


azure, microsoft, cloud, storage, blob


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.

Display NameAPI NameDefault ValueAllowable ValuesDescription
Storage Credentialsstorage-credentials-serviceController Service API:
Implementation: AzureStorageCredentialsControllerService_v12
Controller Service used to obtain Azure Blob Storage Credentials.
Container Namecontainer-nameName 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)
Create Containercreate-containerfalse
  • true
  • false
Specifies whether to check if the container exists and to automatically create it if it does not. Permission to list containers is required. If false, this check is not made, but the Put operation will fail if the container does not exist.
Conflict Resolution Strategyconflict-resolution-strategyfail
  • fail Fail if the blob already exists
  • ignore Ignore if the blob already exists; the 'azure.error' attribute will be set to the value 'BLOB_ALREADY_EXISTS'
  • replace Replace blob contents if the blob already exist
Specifies whether an existing blob will have its contents replaced upon conflict.
Blob Nameblob-nameThe full name of the blob
Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)
Proxy Configuration Serviceproxy-configuration-serviceController Service API:
Implementation: StandardProxyConfigurationService
Specifies the Proxy Configuration Controller Service to proxy network requests. Supported proxies: SOCKS, HTTP In case of SOCKS, it is not guaranteed that the selected SOCKS Version will be used by the processor.


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

Reads Attributes:

None specified.

Writes Attributes:

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
azure.error.codeError code reported during blob operation
azure.ignoredWhen Conflict Resolution Strategy is 'ignore', this property will be true/false depending on whether the blob was ignored.

State management:

This component does not store state.


This component is not restricted.

Input requirement:

This component requires an incoming relationship.

System Resource Considerations:

None specified.

See Also:

ListAzureBlobStorage_v12, FetchAzureBlobStorage_v12, DeleteAzureBlobStorage_v12