Source code for airflow.providers.amazon.aws.links.base_aws
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from __future__ import annotations
from typing import TYPE_CHECKING, ClassVar
from airflow.models import BaseOperatorLink, XCom
from airflow.providers.amazon.aws.utils.suppress import return_on_error
if TYPE_CHECKING:
from airflow.models import BaseOperator
from airflow.models.taskinstancekey import TaskInstanceKey
from airflow.utils.context import Context
[docs]BASE_AWS_CONSOLE_LINK = "https://console.{aws_domain}"
[docs]class BaseAwsLink(BaseOperatorLink):
"""Base Helper class for constructing AWS Console Link."""
@staticmethod
[docs] def get_aws_domain(aws_partition) -> str | None:
if aws_partition == "aws":
return "aws.amazon.com"
elif aws_partition == "aws-cn":
return "amazonaws.cn"
elif aws_partition == "aws-us-gov":
return "amazonaws-us-gov.com"
return None
@return_on_error("")
[docs] def get_link(
self,
operator: BaseOperator,
*,
ti_key: TaskInstanceKey,
) -> str:
"""
Link to Amazon Web Services Console.
:param operator: airflow operator
:param ti_key: TaskInstance ID to return link for
:return: link to external system
"""
conf = XCom.get_value(key=self.key, ti_key=ti_key)
return self.format_link(**conf) if conf else ""
@classmethod
@return_on_error(None)
[docs] def persist(
cls, context: Context, operator: BaseOperator, region_name: str, aws_partition: str, **kwargs
) -> None:
"""Store link information into XCom."""
if not operator.do_xcom_push:
return
operator.xcom_push(
context,
key=cls.key,
value={
"region_name": region_name,
"aws_domain": cls.get_aws_domain(aws_partition),
**kwargs,
},
)