vincbeck commented on code in PR #28850:
URL: https://github.com/apache/airflow/pull/28850#discussion_r1068349671
##########
airflow/providers/amazon/aws/triggers/redshift_cluster.py:
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@@ -0,0 +1,51 @@
+from typing import AsyncIterator, Any, Tuple, Dict
+
+from airflow.providers.amazon.aws.hooks.redshift_cluster import
RedshiftHookAsync
+from airflow.triggers.base import BaseTrigger, TriggerEvent
+
+
+class RedshiftClusterTrigger(BaseTrigger):
+ def __init__(
+ self,
+ task_id: str,
+ aws_conn_id: str,
+ cluster_identifier: str,
+ operation_type: str,
+ poll_interval: float = 5.0,
+ ):
+ super().__init__()
+ self.task_id = task_id
+ self.poll_interval = poll_interval
+ self.aws_conn_id = aws_conn_id
+ self.cluster_identifier = cluster_identifier
+ self.operation_type = operation_type
+
+ def serialize(self) -> Tuple[str, Dict[str, Any]]:
+ return (
+
"airflow.providers.amazon.aws.triggers.redshift_cluster.RedshiftClusterTrigger",
+ {
+ "task_id": self.task_id,
+ "poll_interval": self.poll_interval,
+ "aws_conn_id": self.aws_conn_id,
+ "cluster_identifier": self.cluster_identifier,
+ "operation_type": self.operation_type,
+ },
+ )
+
+ async def run(self) -> AsyncIterator["TriggerEvent"]:
+ hook = RedshiftHookAsync(aws_conn_id=self.aws_conn_id)
+ try:
+ if self.operation_type == "pause_cluster":
Review Comment:
Should we throw an exception if `operation_type` is not "pause_cluster"
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