Fix GlueCrawlerOperature failure when using tags

airflow/providers/amazon/aws/hooks/glue_crawler.py

@@ -22,6 +22,7 @@
 from airflow.compat.functools import cached_property
 from airflow.exceptions import AirflowException
 from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook
+from airflow.providers.amazon.aws.hooks.sts import StsHook
 
 
 class GlueCrawlerHook(AwsBaseHook):
@@ -78,16 +79,56 @@ def update_crawler(self, **crawler_kwargs) -> bool:
         crawler_name = crawler_kwargs["Name"]
         current_crawler = self.get_crawler(crawler_name)
 
+        tags_updated = self.update_tags(crawler_name, crawler_kwargs.pop("Tags", {}))
+
         update_config = {
-            key: value for key, value in crawler_kwargs.items() if current_crawler[key] != crawler_kwargs[key]
+            key: value
+            for key, value in crawler_kwargs.items()
+            if current_crawler.get(key, None) != crawler_kwargs.get(key)
         }
-        if update_config != {}:
+        if update_config:
             self.log.info("Updating crawler: %s", crawler_name)
             self.glue_client.update_crawler(**crawler_kwargs)
             self.log.info("Updated configurations: %s", update_config)
             return True
-        else:
-            return False
+        return tags_updated
+
+    def update_tags(self, crawler_name: str, crawler_tags: dict) -> bool:
+        """
+        Updates crawler tags
+
+        :param crawler_name: Name of the crawler for which to update tags
+        :param crawler_tags: Dictionary of new tags. If empty, all tags will be deleted
+        :return: True if tags were updated and false otherwise
+        """
+        account_number = StsHook(aws_conn_id=self.aws_conn_id).get_account_number()
+        crawler_arn = (
+            f"arn:{self.conn_partition}:glue:{self.conn_region_name}:{account_number}:crawler/{crawler_name}"
+        )
+        current_crawler_tags: dict = self.glue_client.get_tags(ResourceArn=crawler_arn)["Tags"]
+
+        update_tags = {}
+        delete_tags = []
+        for key, value in current_crawler_tags.items():
+            wanted_tag_value = crawler_tags.get(key, None)
+            if wanted_tag_value is None:
+                # key is missing from new configuration, mark it for deletion
+                delete_tags.append(key)
+            elif wanted_tag_value != value:
+                update_tags[key] = wanted_tag_value
+
+        updated_tags = False
+        if update_tags:
+            self.log.info("Updating crawler tags: %s", crawler_name)
+            self.glue_client.tag_resource(ResourceArn=crawler_arn, TagsToAdd=update_tags)
+            self.log.info("Updated crawler tags: %s", crawler_name)
+            updated_tags = True
+        if delete_tags:
+            self.log.info("Deleting crawler tags: %s", crawler_name)
+            self.glue_client.untag_resource(ResourceArn=crawler_arn, TagsToRemove=delete_tags)
+            self.log.info("Deleted crawler tags: %s", crawler_name)
+            updated_tags = True
+        return updated_tags
 
     def create_crawler(self, **crawler_kwargs) -> str:
         """

airflow/providers/amazon/aws/operators/glue_crawler.py

@@ -50,6 +50,7 @@ def __init__(
         self,
         config,
         aws_conn_id="aws_default",
+        region_name: str | None = None,
         poll_interval: int = 5,
         wait_for_completion: bool = True,
         **kwargs,
@@ -58,12 +59,13 @@ def __init__(
         self.aws_conn_id = aws_conn_id
         self.poll_interval = poll_interval
         self.wait_for_completion = wait_for_completion
+        self.region_name = region_name
         self.config = config
 
     @cached_property
     def hook(self) -> GlueCrawlerHook:
         """Create and return an GlueCrawlerHook."""
-        return GlueCrawlerHook(self.aws_conn_id)
+        return GlueCrawlerHook(self.aws_conn_id, region_name=self.region_name)
 
     def execute(self, context: Context):
         """

tests/providers/amazon/aws/hooks/test_glue_crawler.py

@@ -20,6 +20,9 @@
 from copy import deepcopy
 from unittest import mock
 
+from moto import mock_sts
+from moto.core import DEFAULT_ACCOUNT_ID
+
 from airflow.providers.amazon.aws.hooks.glue_crawler import GlueCrawlerHook
 
 mock_crawler_name = "test-crawler"
@@ -78,13 +81,16 @@
     }
     """,
     "SecurityConfiguration": "test",
-    "Tags": {"test": "foo"},
+    "Tags": {"test": "foo", "bar": "test"},
 }
 
 
 class TestGlueCrawlerHook:
     def setup_method(self):
         self.hook = GlueCrawlerHook(aws_conn_id="aws_default")
+        self.crawler_arn = (
+            f"arn:aws:glue:{self.hook.conn_region_name}:{DEFAULT_ACCOUNT_ID}:crawler/{mock_crawler_name}"
+        )
 
     def test_init(self):
         assert self.hook.aws_conn_id == "aws_default"
@@ -104,16 +110,71 @@ class MockException(Exception):
         assert self.hook.has_crawler(mock_crawler_name) is False
         mock_get_conn.return_value.get_crawler.assert_called_once_with(Name=mock_crawler_name)
 
+    @mock_sts
     @mock.patch.object(GlueCrawlerHook, "get_conn")
     def test_update_crawler_needed(self, mock_get_conn):
         mock_get_conn.return_value.get_crawler.return_value = {"Crawler": mock_config}
 
         mock_config_two = deepcopy(mock_config)
         mock_config_two["Role"] = "test-2-role"
+        mock_config_two.pop("Tags")
+        assert self.hook.update_crawler(**mock_config_two) is True
+        mock_get_conn.return_value.get_crawler.assert_called_once_with(Name=mock_crawler_name)
+        mock_get_conn.return_value.update_crawler.assert_called_once_with(**mock_config_two)
+
+    @mock_sts
+    @mock.patch.object(GlueCrawlerHook, "get_conn")
+    def test_update_crawler_missing_keys(self, mock_get_conn):
+        mock_config_missing_configuration = deepcopy(mock_config)
+        mock_config_missing_configuration.pop("Configuration")
+        mock_get_conn.return_value.get_crawler.return_value = {"Crawler": mock_config_missing_configuration}
+
+        mock_config_two = deepcopy(mock_config)
+        mock_config_two.pop("Tags")
         assert self.hook.update_crawler(**mock_config_two) is True
         mock_get_conn.return_value.get_crawler.assert_called_once_with(Name=mock_crawler_name)
         mock_get_conn.return_value.update_crawler.assert_called_once_with(**mock_config_two)
 
+    @mock_sts
+    @mock.patch.object(GlueCrawlerHook, "get_conn")
+    def test_update_tags_not_needed(self, mock_get_conn):
+        mock_get_conn.return_value.get_crawler.return_value = {"Crawler": mock_config}
+        mock_get_conn.return_value.get_tags.return_value = {"Tags": mock_config["Tags"]}
+
+        assert self.hook.update_tags(mock_crawler_name, mock_config["Tags"]) is False
+        mock_get_conn.return_value.get_tags.assert_called_once_with(ResourceArn=self.crawler_arn)
+        mock_get_conn.return_value.tag_resource.assert_not_called()
+        mock_get_conn.return_value.untag_resource.assert_not_called()
+
+    @mock_sts
+    @mock.patch.object(GlueCrawlerHook, "get_conn")
+    def test_remove_all_tags(self, mock_get_conn):
+        mock_get_conn.return_value.get_crawler.return_value = {"Crawler": mock_config}
+        mock_get_conn.return_value.get_tags.return_value = {"Tags": mock_config["Tags"]}
+
+        assert self.hook.update_tags(mock_crawler_name, {}) is True
+        mock_get_conn.return_value.get_tags.assert_called_once_with(ResourceArn=self.crawler_arn)
+        mock_get_conn.return_value.tag_resource.assert_not_called()
+        mock_get_conn.return_value.untag_resource.assert_called_once_with(
+            ResourceArn=self.crawler_arn, TagsToRemove=["test", "bar"]
+        )
+
+    @mock_sts
+    @mock.patch.object(GlueCrawlerHook, "get_conn")
+    def test_replace_tag(self, mock_get_conn):
+        mock_get_conn.return_value.get_crawler.return_value = {"Crawler": mock_config}
+        mock_get_conn.return_value.get_tags.return_value = {"Tags": mock_config["Tags"]}
+
+        mock_config_two = deepcopy(mock_config)
+        mock_config_two.pop("Tags")
+        assert self.hook.update_tags(mock_crawler_name, {"test": "bla", "bar": "test"}) is True
+        mock_get_conn.return_value.get_tags.assert_called_once_with(ResourceArn=self.crawler_arn)
+        mock_get_conn.return_value.untag_resource.assert_not_called()
+        mock_get_conn.return_value.tag_resource.assert_called_once_with(
+            ResourceArn=self.crawler_arn, TagsToAdd={"test": "bla"}
+        )
+
+    @mock_sts
     @mock.patch.object(GlueCrawlerHook, "get_conn")
     def test_update_crawler_not_needed(self, mock_get_conn):
         mock_get_conn.return_value.get_crawler.return_value = {"Crawler": mock_config}
@@ -152,8 +213,7 @@ def test_wait_for_crawler_completion_instant_ready(self, mock_get_conn, mock_get
                 }
             ]
         }
-        result = self.hook.wait_for_crawler_completion(mock_crawler_name)
-        assert result == "MOCK_STATUS"
+        assert self.hook.wait_for_crawler_completion(mock_crawler_name) == "MOCK_STATUS"
         mock_get_conn.assert_has_calls(
             [
                 mock.call(),
@@ -188,8 +248,7 @@ def test_wait_for_crawler_completion_retry_two_times(self, mock_sleep, mock_get_
                 ]
             },
         ]
-        result = self.hook.wait_for_crawler_completion(mock_crawler_name)
-        assert result == "MOCK_STATUS"
+        assert self.hook.wait_for_crawler_completion(mock_crawler_name) == "MOCK_STATUS"
         mock_get_conn.assert_has_calls(
             [
                 mock.call(),

tests/providers/amazon/aws/operators/test_glue_crawler.py

@@ -92,7 +92,7 @@ def test_execute_without_failure(self, mock_hook):
 
         mock_hook.assert_has_calls(
             [
-                mock.call("aws_default"),
+                mock.call("aws_default", region_name=None),
                 mock.call().has_crawler("test-crawler"),
                 mock.call().update_crawler(**mock_config),
                 mock.call().start_crawler(mock_crawler_name),