[GitHub] [airflow] marshall7m commented on a change in pull request #13072: AWS Glue Crawler Integration

[GitBox <gi...@apache.org>]

marshall7m commented on a change in pull request #13072:
URL: https://github.com/apache/airflow/pull/13072#discussion_r551508779



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File path: airflow/providers/amazon/aws/operators/glue_crawler.py
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@@ -0,0 +1,71 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from cached_property import cached_property
+
+from airflow.models import BaseOperator
+from airflow.providers.amazon.aws.hooks.glue_crawler import AwsGlueCrawlerHook
+from airflow.utils.decorators import apply_defaults
+
+
+class AwsGlueCrawlerOperator(BaseOperator):
+    """
+    Creates, updates and triggers an AWS Glue Crawler. AWS Glue Crawler is a serverless
+    service that manages a catalog of metadata tables that contain the inferred
+    schema, format and data types of data stores within the AWS cloud.
+
+    :param config: Configurations for the AWS Glue crawler
+    :type config: dict
+    :param aws_conn_id: aws connection to use
+    :type aws_conn_id: Optional[str]
+    :param poll_interval: Time (in seconds) to wait between two consecutive calls to check crawler status
+    :type poll_interval: Optional[int]
+    """
+
+    ui_color = '#ededed'
+
+    @apply_defaults
+    def __init__(
+        self,
+        config,
+        aws_conn_id='aws_default',
+        poll_interval: int = 5,
+        **kwargs,
+    ):
+        super().__init__(**kwargs)
+        self.aws_conn_id = aws_conn_id
+        self.poll_interval = poll_interval
+        self.config = config
+
+    @cached_property
+    def hook(self) -> AwsGlueCrawlerHook:
+        """Create and return an AwsGlueCrawlerHook."""
+        return AwsGlueCrawlerHook(self.aws_conn_id)
+
+    def execute(self, context):
+        """
+        Executes AWS Glue Crawler from Airflow
+        :return: the name of the current glue crawler.
+        """
+        crawler_name = self.hook.get_or_create_crawler(**self.config)
+        self.log.info("Triggering AWS Glue Crawler")
+        self.hook.start_crawler(crawler_name)
+        self.log.info("Waiting for AWS Glue Crawler")
+        self.hook.wait_for_crawler_completion(crawler_name)

Review comment:
       Thanks! Currently working on it,  should have a revision up in 10 mins.




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