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3daeaccb2b
The ownership type is deprecated (described in OwnershipTypeClass), thats why it should be changed from DATAOWNER to TECHNICAL_OWNER.
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
import logging
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from typing import Optional
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from datahub.emitter.mce_builder import make_dataset_urn, make_user_urn
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from datahub.emitter.mcp import MetadataChangeProposalWrapper
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# read-modify-write requires access to the DataHubGraph (RestEmitter is not enough)
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from datahub.ingestion.graph.client import DatahubClientConfig, DataHubGraph
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# Imports for metadata model classes
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from datahub.metadata.schema_classes import (
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OwnerClass,
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OwnershipClass,
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OwnershipTypeClass,
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)
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log = logging.getLogger(__name__)
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logging.basicConfig(level=logging.INFO)
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# Inputs -> owner, ownership_type, dataset
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owner_to_add = make_user_urn("jdoe")
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ownership_type = OwnershipTypeClass.TECHNICAL_OWNER
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dataset_urn = make_dataset_urn(platform="hive", name="realestate_db.sales", env="PROD")
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# Some objects to help with conditional pathways later
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owner_class_to_add = OwnerClass(owner=owner_to_add, type=ownership_type)
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ownership_to_add = OwnershipClass(owners=[owner_class_to_add])
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# First we get the current owners
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gms_endpoint = "http://localhost:8080"
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graph = DataHubGraph(DatahubClientConfig(server=gms_endpoint))
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current_owners: Optional[OwnershipClass] = graph.get_aspect(
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entity_urn=dataset_urn, aspect_type=OwnershipClass
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)
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need_write = False
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if current_owners:
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if (owner_to_add, ownership_type) not in [
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(x.owner, x.type) for x in current_owners.owners
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]:
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# owners exist, but this owner is not present in the current owners
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current_owners.owners.append(owner_class_to_add)
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need_write = True
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else:
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# create a brand new ownership aspect
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current_owners = ownership_to_add
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need_write = True
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if need_write:
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event: MetadataChangeProposalWrapper = MetadataChangeProposalWrapper(
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entityUrn=dataset_urn,
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aspect=current_owners,
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)
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graph.emit(event)
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log.info(
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f"Owner {owner_to_add}, type {ownership_type} added to dataset {dataset_urn}"
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)
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else:
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log.info(f"Owner {owner_to_add} already exists, omitting write")
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