fix(ingest): delta-lake - fix dependency issue for snowflake due to s…

…3_util (#5274)

metadata-ingestion/src/datahub/ingestion/source/aws/s3_boto_utils.py

@@ -0,0 +1,101 @@
+import logging
+from typing import Iterable, Optional
+
+from datahub.emitter.mce_builder import make_tag_urn
+from datahub.ingestion.api.common import PipelineContext
+from datahub.ingestion.source.aws.aws_common import AwsSourceConfig
+from datahub.ingestion.source.aws.s3_util import (
+    get_bucket_name,
+    get_bucket_relative_path,
+    is_s3_uri,
+)
+from datahub.metadata.schema_classes import GlobalTagsClass, TagAssociationClass
+
+logging.getLogger("py4j").setLevel(logging.ERROR)
+logger: logging.Logger = logging.getLogger(__name__)
+
+
+def get_s3_tags(
+    bucket_name: str,
+    key_name: Optional[str],
+    dataset_urn: str,
+    aws_config: Optional[AwsSourceConfig],
+    ctx: PipelineContext,
+    use_s3_bucket_tags: Optional[bool] = False,
+    use_s3_object_tags: Optional[bool] = False,
+) -> Optional[GlobalTagsClass]:
+    if aws_config is None:
+        raise ValueError("aws_config not set. Cannot browse s3")
+    new_tags = GlobalTagsClass(tags=[])
+    tags_to_add = []
+    if use_s3_bucket_tags:
+        s3 = aws_config.get_s3_resource()
+        bucket = s3.Bucket(bucket_name)
+        try:
+            tags_to_add.extend(
+                [
+                    make_tag_urn(f"""{tag["Key"]}:{tag["Value"]}""")
+                    for tag in bucket.Tagging().tag_set
+                ]
+            )
+        except s3.meta.client.exceptions.ClientError:
+            logger.warn(f"No tags found for bucket={bucket_name}")
+
+    if use_s3_object_tags and key_name is not None:
+        s3_client = aws_config.get_s3_client()
+        object_tagging = s3_client.get_object_tagging(Bucket=bucket_name, Key=key_name)
+        tag_set = object_tagging["TagSet"]
+        if tag_set:
+            tags_to_add.extend(
+                [make_tag_urn(f"""{tag["Key"]}:{tag["Value"]}""") for tag in tag_set]
+            )
+        else:
+            # Unlike bucket tags, if an object does not have tags, it will just return an empty array
+            # as opposed to an exception.
+            logger.warn(f"No tags found for bucket={bucket_name} key={key_name}")
+    if len(tags_to_add) == 0:
+        return None
+    if ctx.graph is not None:
+        logger.debug("Connected to DatahubApi, grabbing current tags to maintain.")
+        current_tags: Optional[GlobalTagsClass] = ctx.graph.get_aspect_v2(
+            entity_urn=dataset_urn,
+            aspect="globalTags",
+            aspect_type=GlobalTagsClass,
+        )
+        if current_tags:
+            tags_to_add.extend([current_tag.tag for current_tag in current_tags.tags])
+    else:
+        logger.warn("Could not connect to DatahubApi. No current tags to maintain")
+    # Remove duplicate tags
+    tags_to_add = list(set(tags_to_add))
+    new_tags = GlobalTagsClass(
+        tags=[TagAssociationClass(tag_to_add) for tag_to_add in tags_to_add]
+    )
+    return new_tags
+
+
+def list_folders_path(
+    s3_uri: str, aws_config: Optional[AwsSourceConfig]
+) -> Iterable[str]:
+    if not is_s3_uri(s3_uri):
+        raise ValueError("Not a s3 URI: " + s3_uri)
+    if aws_config is None:
+        raise ValueError("aws_config not set. Cannot browse s3")
+    bucket_name = get_bucket_name(s3_uri)
+    prefix = get_bucket_relative_path(s3_uri)
+    yield from list_folders(bucket_name, prefix, aws_config)
+
+
+def list_folders(
+    bucket_name: str, prefix: str, aws_config: Optional[AwsSourceConfig]
+) -> Iterable[str]:
+    if aws_config is None:
+        raise ValueError("aws_config not set. Cannot browse s3")
+    s3_client = aws_config.get_s3_client()
+    paginator = s3_client.get_paginator("list_objects_v2")
+    for page in paginator.paginate(Bucket=bucket_name, Prefix=prefix, Delimiter="/"):
+        for o in page.get("CommonPrefixes", []):
+            folder: str = str(o.get("Prefix"))
+            if folder.endswith("/"):
+                folder = folder[:-1]
+            yield f"{folder}"

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

@@ -19,11 +19,10 @@
 )
 from datahub.ingestion.api.source import Source, SourceReport
 from datahub.ingestion.api.workunit import MetadataWorkUnit
+from datahub.ingestion.source.aws.s3_boto_utils import get_s3_tags, list_folders_path
 from datahub.ingestion.source.aws.s3_util import (
     get_bucket_name,
     get_key_prefix,
-    get_s3_tags,
-    list_folders_path,
     strip_s3_prefix,
 )
 from datahub.ingestion.source.data_lake.data_lake_utils import ContainerWUCreator

metadata-ingestion/src/datahub/ingestion/source/s3/source.py

@@ -51,12 +51,11 @@
 )
 from datahub.ingestion.api.source import Source, SourceReport
 from datahub.ingestion.api.workunit import MetadataWorkUnit
+from datahub.ingestion.source.aws.s3_boto_utils import get_s3_tags, list_folders
 from datahub.ingestion.source.aws.s3_util import (
     get_bucket_name,
     get_bucket_relative_path,
     get_key_prefix,
-    get_s3_tags,
-    list_folders,
     strip_s3_prefix,
 )
 from datahub.ingestion.source.data_lake.data_lake_utils import ContainerWUCreator