Source code for airflow.providers.apache.hdfs.assets.hdfs

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from __future__ import annotations

from typing import TYPE_CHECKING

from airflow.providers.common.compat.assets import Asset

if TYPE_CHECKING:
    from urllib.parse import SplitResult

    from airflow.providers.common.compat.openlineage.facet import Dataset as OpenLineageDataset



[docs]
def sanitize_uri(uri: SplitResult) -> SplitResult:
    if not uri.netloc:
        raise ValueError("URI format hdfs:// must contain a namenode host")
    if not uri.path:
        raise ValueError("URI format hdfs:// must contain a path")
    return uri




[docs]
def create_asset(*, host: str, path: str, port: int = 8020, extra: dict | None = None) -> Asset:
    return Asset(uri=f"hdfs://{host}:{port}/{path}", extra=extra)




[docs]
def convert_asset_to_openlineage(asset: Asset, lineage_context) -> OpenLineageDataset:
    """Translate Asset with valid AIP-60 uri to OpenLineage with assistance from the hook."""
    from urllib.parse import urlsplit

    from airflow.providers.common.compat.openlineage.facet import Dataset as OpenLineageDataset

    parsed = urlsplit(asset.uri)
    return OpenLineageDataset(namespace=f"hdfs://{parsed.netloc}", name=parsed.path.lstrip("/") or "/")