Delegated Warehouse

Bases: IcebergWarehouse, FrozenModel

Delegate configuring Iceberg warehouse to Iceberg catalog.

Used by some Iceberg catalog implementations like:

• Lakekeeper
• Polaris
• Apache Gravitino
• Databricks Unity Catalog

Added in 0.15.0

Parameters:

• name (str) –

  Warehouse name/alias, if supported by specific Iceberg catalog

• access_delegation ('vended-credentials' | 'remote-signing') –

  Value of X-Iceberg-Access-Delegation header.

• extra (Dict[str, str], default: {} ) –

  Additional configuration parameters

Examples:

S3 client with vended credentialsS3 client with remote signing

from onetl.connection import Iceberg

warehouse = Iceberg.DeletatedWarehouse(
    name="my-warehouse",
    access_delegation="vended-credentials",
    # other params passed to S3 client (optional)
    extra={"client.region": "us-east-1"},
)

from onetl.connection import Iceberg

warehouse = Iceberg.DeletatedWarehouse(
    name="my-warehouse",
    access_delegation="remote-signing",
    # other params passed to S3 client (optional)
    extra={"client.region": "us-east-1"},
)

get_config()

Return flat dict with warehouse configuration.