feat(ingestion): Adding config option to auto lowercase dataset urns

metadata-ingestion/src/datahub/configuration/source_common.py

@@ -54,6 +54,13 @@ class DatasetSourceConfigMixin(PlatformInstanceConfigMixin, EnvConfigMixin):
     """
 
 
+class LowerCaseDatasetUrnConfigMixin(ConfigModel):
+    convert_urns_to_lowercase: bool = Field(
+        default=False,
+        description="Whether to convert dataset urns to lowercase.",
+    )
+
+
 class DatasetLineageProviderConfigBase(EnvConfigMixin):
     """
     Any non-Dataset source that produces lineage to Datasets should inherit this class.

metadata-ingestion/src/datahub/ingestion/api/source.py

@@ -29,6 +29,7 @@
 from datahub.ingestion.api.report import Report
 from datahub.ingestion.api.source_helpers import (
     auto_browse_path_v2,
+    auto_lowercase_urns,
     auto_materialize_referenced_tags,
     auto_status_aspect,
     auto_workunit_reporter,
@@ -192,7 +193,30 @@ def get_workunit_processors(self) -> List[Optional[MetadataWorkUnitProcessor]]:
                 self.ctx.pipeline_config.flags.generate_browse_path_v2_dry_run
             )
 
+        auto_lowercase_dataset_urns: Optional[MetadataWorkUnitProcessor] = None
+        if (
+            self.ctx.pipeline_config
+            and self.ctx.pipeline_config.source
+            and self.ctx.pipeline_config.source.config
+            and (
+                (
+                    hasattr(
+                        self.ctx.pipeline_config.source.config,
+                        "convert_urns_to_lowercase",
+                    )
+                    and self.ctx.pipeline_config.source.config.convert_urns_to_lowercase
+                )
+                or (
+                    hasattr(self.ctx.pipeline_config.source.config, "get")
+                    and self.ctx.pipeline_config.source.config.get(
+                        "convert_urns_to_lowercase"
+                    )
+                )
+            )
+        ):
+            auto_lowercase_dataset_urns = auto_lowercase_urns
         return [
+            auto_lowercase_dataset_urns,
             auto_status_aspect,
             auto_materialize_referenced_tags,
             browse_path_processor,

metadata-ingestion/src/datahub/ingestion/api/source_helpers.py

@@ -35,7 +35,7 @@
 from datahub.utilities.urns.dataset_urn import DatasetUrn
 from datahub.utilities.urns.tag_urn import TagUrn
 from datahub.utilities.urns.urn import guess_entity_type
-from datahub.utilities.urns.urn_iter import list_urns
+from datahub.utilities.urns.urn_iter import list_urns, lowercase_dataset_urns
 
 if TYPE_CHECKING:
     from datahub.ingestion.api.source import SourceReport
@@ -70,7 +70,6 @@ def auto_status_aspect(
     for wu in stream:
         urn = wu.get_urn()
         all_urns.add(urn)
-
         if not wu.is_primary_source:
             # If this is a non-primary source, we pretend like we've seen the status
             # aspect so that we don't try to emit a removal for it.
@@ -173,6 +172,23 @@ def auto_materialize_referenced_tags(
         ).as_workunit()
 
 
+def auto_lowercase_urns(
+    stream: Iterable[MetadataWorkUnit],
+) -> Iterable[MetadataWorkUnit]:
+    """Lowercase all dataset urns"""
+
+    for wu in stream:
+        try:
+            old_urn = wu.get_urn()
+            lowercase_dataset_urns(wu.metadata)
+            wu.id = wu.id.replace(old_urn, wu.get_urn())
+
+            yield wu
+        except Exception as e:
+            logger.warning(f"Failed to lowercase urns for {wu}: {e}", exc_info=True)
+            yield wu
+
+
 def auto_browse_path_v2(
     stream: Iterable[MetadataWorkUnit],
     *,

metadata-ingestion/src/datahub/ingestion/source/bigquery_v2/bigquery.py

@@ -16,7 +16,6 @@
     make_dataplatform_instance_urn,
     make_dataset_urn,
     make_tag_urn,
-    set_dataset_urn_to_lower,
 )
 from datahub.emitter.mcp import MetadataChangeProposalWrapper
 from datahub.emitter.mcp_builder import BigQueryDatasetKey, ContainerKey, ProjectIdKey
@@ -218,8 +217,6 @@ def __init__(self, ctx: PipelineContext, config: BigQueryV2Config):
         if self.config.enable_legacy_sharded_table_support:
             BigqueryTableIdentifier._BQ_SHARDED_TABLE_SUFFIX = ""
 
-        set_dataset_urn_to_lower(self.config.convert_urns_to_lowercase)
-
         self.bigquery_data_dictionary = BigQuerySchemaApi(
             self.report.schema_api_perf, self.config.get_bigquery_client()
         )

metadata-ingestion/src/datahub/ingestion/source/bigquery_v2/bigquery_config.py

@@ -206,11 +206,6 @@ def validate_column_lineage(cls, v: bool, values: Dict[str, Any]) -> bool:
         description="This flag enables the data lineage extraction from Data Lineage API exposed by Google Data Catalog. NOTE: This extractor can't build views lineage. It's recommended to enable the view's DDL parsing. Read the docs to have more information about: https://cloud.google.com/data-catalog/docs/concepts/about-data-lineage",
     )
 
-    convert_urns_to_lowercase: bool = Field(
-        default=False,
-        description="Convert urns to lowercase.",
-    )
-
     enable_legacy_sharded_table_support: bool = Field(
         default=True,
         description="Use the legacy sharded table urn suffix added.",

metadata-ingestion/src/datahub/ingestion/source/kafka.py

@@ -18,7 +18,10 @@
 
 from datahub.configuration.common import AllowDenyPattern
 from datahub.configuration.kafka import KafkaConsumerConnectionConfig
-from datahub.configuration.source_common import DatasetSourceConfigMixin
+from datahub.configuration.source_common import (
+    DatasetSourceConfigMixin,
+    LowerCaseDatasetUrnConfigMixin,
+)
 from datahub.emitter import mce_builder
 from datahub.emitter.mce_builder import (
     make_data_platform_urn,
@@ -76,7 +79,11 @@ class KafkaTopicConfigKeys(str, Enum):
     UNCLEAN_LEADER_ELECTION_CONFIG = "unclean.leader.election.enable"
 
 
-class KafkaSourceConfig(StatefulIngestionConfigBase, DatasetSourceConfigMixin):
+class KafkaSourceConfig(
+    StatefulIngestionConfigBase,
+    DatasetSourceConfigMixin,
+    LowerCaseDatasetUrnConfigMixin,
+):
     connection: KafkaConsumerConnectionConfig = KafkaConsumerConnectionConfig()
 
     topic_patterns: AllowDenyPattern = AllowDenyPattern(allow=[".*"], deny=["^_.*"])

metadata-ingestion/src/datahub/ingestion/source/sql/sql_config.py

@@ -7,7 +7,10 @@
 from pydantic import Field
 
 from datahub.configuration.common import AllowDenyPattern, ConfigModel
-from datahub.configuration.source_common import DatasetSourceConfigMixin
+from datahub.configuration.source_common import (
+    DatasetSourceConfigMixin,
+    LowerCaseDatasetUrnConfigMixin,
+)
 from datahub.configuration.validate_field_deprecation import pydantic_field_deprecated
 from datahub.ingestion.source.ge_profiling_config import GEProfilingConfig
 from datahub.ingestion.source.state.stale_entity_removal_handler import (
@@ -21,7 +24,11 @@
 logger: logging.Logger = logging.getLogger(__name__)
 
 
-class SQLCommonConfig(StatefulIngestionConfigBase, DatasetSourceConfigMixin):
+class SQLCommonConfig(
+    StatefulIngestionConfigBase,
+    DatasetSourceConfigMixin,
+    LowerCaseDatasetUrnConfigMixin,
+):
     options: dict = pydantic.Field(
         default_factory=dict,
         description="Any options specified here will be passed to [SQLAlchemy.create_engine](https://docs.sqlalchemy.org/en/14/core/engines.html#sqlalchemy.create_engine) as kwargs.",

metadata-ingestion/src/datahub/ingestion/source/unity/config.py

@@ -7,7 +7,10 @@
 from pydantic import Field
 
 from datahub.configuration.common import AllowDenyPattern, ConfigModel
-from datahub.configuration.source_common import DatasetSourceConfigMixin
+from datahub.configuration.source_common import (
+    DatasetSourceConfigMixin,
+    LowerCaseDatasetUrnConfigMixin,
+)
 from datahub.configuration.validate_field_removal import pydantic_removed_field
 from datahub.configuration.validate_field_rename import pydantic_renamed_field
 from datahub.ingestion.source.state.stale_entity_removal_handler import (
@@ -91,6 +94,7 @@ class UnityCatalogSourceConfig(
     BaseUsageConfig,
     DatasetSourceConfigMixin,
     StatefulProfilingConfigMixin,
+    LowerCaseDatasetUrnConfigMixin,
 ):
     token: str = pydantic.Field(description="Databricks personal access token")
     workspace_url: str = pydantic.Field(

metadata-ingestion/src/datahub/utilities/urns/urn_iter.py

@@ -3,7 +3,11 @@
 from avro.schema import Field, RecordSchema
 
 from datahub.emitter.mcp import MetadataChangeProposalWrapper
-from datahub.metadata.schema_classes import DictWrapper
+from datahub.metadata.schema_classes import (
+    DictWrapper,
+    MetadataChangeEventClass,
+    MetadataChangeProposalClass,
+)
 from datahub.utilities.urns.dataset_urn import DatasetUrn
 from datahub.utilities.urns.urn import Urn, guess_entity_type
 
@@ -32,7 +36,7 @@ def list_urns_with_path(
 
     if isinstance(model, MetadataChangeProposalWrapper):
         if model.entityUrn:
-            urns.append((model.entityUrn, ["urn"]))
+            urns.append((model.entityUrn, ["entityUrn"]))
         if model.entityKeyAspect:
             urns.extend(
                 _add_prefix_to_paths(
@@ -83,7 +87,15 @@ def list_urns(model: Union[DictWrapper, MetadataChangeProposalWrapper]) -> List[
     return [urn for urn, _ in list_urns_with_path(model)]
 
 
-def transform_urns(model: DictWrapper, func: Callable[[str], str]) -> None:
+def transform_urns(
+    model: Union[
+        DictWrapper,
+        MetadataChangeEventClass,
+        MetadataChangeProposalClass,
+        MetadataChangeProposalWrapper,
+    ],
+    func: Callable[[str], str],
+) -> None:
     """
     Rewrites all URNs in the given object according to the given function.
     """
@@ -95,14 +107,18 @@ def transform_urns(model: DictWrapper, func: Callable[[str], str]) -> None:
 
 
 def _modify_at_path(
-    model: Union[DictWrapper, list], path: _Path, new_value: str
+    model: Union[DictWrapper, MetadataChangeProposalWrapper, list],
+    path: _Path,
+    new_value: str,
 ) -> None:
     assert len(path) > 0
 
     if len(path) == 1:
         if isinstance(path[0], int):
             assert isinstance(model, list)
             model[path[0]] = new_value
+        elif isinstance(model, MetadataChangeProposalWrapper):
+            setattr(model, path[0], new_value)
         else:
             assert isinstance(model, DictWrapper)
             model._inner_dict[path[0]] = new_value
@@ -120,7 +136,14 @@ def _lowercase_dataset_urn(dataset_urn: str) -> str:
     return str(cur_urn)
 
 
-def lowercase_dataset_urns(model: DictWrapper) -> None:
+def lowercase_dataset_urns(
+    model: Union[
+        DictWrapper,
+        MetadataChangeEventClass,
+        MetadataChangeProposalClass,
+        MetadataChangeProposalWrapper,
+    ]
+) -> None:
     def modify_urn(urn: str) -> str:
         if guess_entity_type(urn) == "dataset":
             return _lowercase_dataset_urn(urn)

metadata-ingestion/tests/unit/api/source_helpers/test_source_helpers.py

@@ -16,6 +16,7 @@
 from datahub.ingestion.api.source_helpers import (
     auto_browse_path_v2,
     auto_empty_dataset_usage_statistics,
+    auto_lowercase_urns,
     auto_status_aspect,
     auto_workunit,
 )
@@ -275,6 +276,75 @@ def test_auto_browse_path_v2_legacy_browse_path(telemetry_ping_mock):
     assert paths["platform,dataset-2,PROD)"] == _make_browse_path_entries(["something"])
 
 
+def test_auto_lowercase_aspects():
+    mcws = auto_workunit(
+        [
+            MetadataChangeProposalWrapper(
+                entityUrn=make_dataset_urn(
+                    "bigquery", "myProject.mySchema.myTable", "PROD"
+                ),
+                aspect=models.DatasetKeyClass(
+                    "urn:li:dataPlatform:bigquery", "myProject.mySchema.myTable", "PROD"
+                ),
+            ),
+            MetadataChangeProposalWrapper(
+                entityUrn="urn:li:container:008e111aa1d250dd52e0fd5d4b307b1a",
+                aspect=models.ContainerPropertiesClass(
+                    name="test",
+                ),
+            ),
+            models.MetadataChangeEventClass(
+                proposedSnapshot=models.DatasetSnapshotClass(
+                    urn="urn:li:dataset:(urn:li:dataPlatform:bigquery,bigquery-Public-Data.Covid19_Aha.staffing,PROD)",
+                    aspects=[
+                        models.DatasetPropertiesClass(
+                            customProperties={
+                                "key": "value",
+                            },
+                        ),
+                    ],
+                ),
+            ),
+        ]
+    )
+
+    expected = [
+        *list(
+            auto_workunit(
+                [
+                    MetadataChangeProposalWrapper(
+                        entityUrn="urn:li:dataset:(urn:li:dataPlatform:bigquery,myproject.myschema.mytable,PROD)",
+                        aspect=models.DatasetKeyClass(
+                            "urn:li:dataPlatform:bigquery",
+                            "myProject.mySchema.myTable",
+                            "PROD",
+                        ),
+                    ),
+                    MetadataChangeProposalWrapper(
+                        entityUrn="urn:li:container:008e111aa1d250dd52e0fd5d4b307b1a",
+                        aspect=models.ContainerPropertiesClass(
+                            name="test",
+                        ),
+                    ),
+                    models.MetadataChangeEventClass(
+                        proposedSnapshot=models.DatasetSnapshotClass(
+                            urn="urn:li:dataset:(urn:li:dataPlatform:bigquery,bigquery-public-data.covid19_aha.staffing,PROD)",
+                            aspects=[
+                                models.DatasetPropertiesClass(
+                                    customProperties={
+                                        "key": "value",
+                                    },
+                                ),
+                            ],
+                        ),
+                    ),
+                ]
+            )
+        ),
+    ]
+    assert list(auto_lowercase_urns(mcws)) == expected
+
+
 @patch("datahub.ingestion.api.source_helpers.telemetry.telemetry_instance.ping")
 def test_auto_browse_path_v2_container_over_legacy_browse_path(telemetry_ping_mock):
     structure = {"a": {"b": ["c"]}}