Source code for airflow.providers.amazon.aws.operators.dms_describe_tasks
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from typing import Optional
from airflow.models import BaseOperator
from airflow.providers.amazon.aws.hooks.dms import DmsHook
[docs]class DmsDescribeTasksOperator(BaseOperator):
"""
Describes AWS DMS replication tasks.
:param describe_tasks_kwargs: Describe tasks command arguments
:type describe_tasks_kwargs: Optional[dict]
:param aws_conn_id: The Airflow connection used for AWS credentials.
If this is None or empty then the default boto3 behaviour is used. If
running Airflow in a distributed manner and aws_conn_id is None or
empty, then default boto3 configuration would be used (and must be
maintained on each worker node).
:type aws_conn_id: Optional[str]
"""
[docs] template_fields = ('describe_tasks_kwargs',)
[docs] template_fields_renderers = {'describe_tasks_kwargs': 'json'}
def __init__(
self,
*,
describe_tasks_kwargs: Optional[dict] = None,
aws_conn_id: str = 'aws_default',
**kwargs,
):
super().__init__(**kwargs)
self.describe_tasks_kwargs = describe_tasks_kwargs or {}
self.aws_conn_id = aws_conn_id
[docs] def execute(self, context):
"""
Describes AWS DMS replication tasks from Airflow
:return: Marker and list of replication tasks
:rtype: (Optional[str], list)
"""
dms_hook = DmsHook(aws_conn_id=self.aws_conn_id)
return dms_hook.describe_replication_tasks(**self.describe_tasks_kwargs)