airflow cloud_tasks 源码
airflow cloud_tasks 代码
文件路径：/airflow/providers/google/cloud/links/cloud_tasks.py
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# Licensed to the Apache Software Foundation (ASF) under one
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# 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
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# KIND, either express or implied. See the License for the
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"""This module contains Google Cloud Tasks links."""
from __future__ import annotations
from typing import TYPE_CHECKING
from airflow.models import BaseOperator
from airflow.providers.google.cloud.links.base import BaseGoogleLink
if TYPE_CHECKING:
from airflow.utils.context import Context
CLOUD_TASKS_BASE_LINK = "/cloudtasks"
CLOUD_TASKS_QUEUE_LINK = CLOUD_TASKS_BASE_LINK + "/queue/{location}/{queue_id}/tasks?project={project_id}"
CLOUD_TASKS_LINK = CLOUD_TASKS_BASE_LINK + "?project={project_id}"
class CloudTasksQueueLink(BaseGoogleLink):
"""Helper class for constructing Cloud Task Queue Link"""
name = "Cloud Tasks Queue"
key = "cloud_task_queue"
format_str = CLOUD_TASKS_QUEUE_LINK
@staticmethod
def extract_parts(queue_name: str | None):
"""
Extract project_id, location and queue id from queue name:
projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID
"""
if not queue_name:
return "", "", ""
parts = queue_name.split("/")
return parts[1], parts[3], parts[5]
@staticmethod
def persist(
operator_instance: BaseOperator,
context: Context,
queue_name: str | None,
):
project_id, location, queue_id = CloudTasksQueueLink.extract_parts(queue_name)
operator_instance.xcom_push(
context,
key=CloudTasksQueueLink.key,
value={"project_id": project_id, "location": location, "queue_id": queue_id},
)
class CloudTasksLink(BaseGoogleLink):
"""Helper class for constructing Cloud Task Link"""
name = "Cloud Tasks"
key = "cloud_task"
format_str = CLOUD_TASKS_LINK
@staticmethod
def persist(
operator_instance: BaseOperator,
context: Context,
project_id: str | None,
):
operator_instance.xcom_push(
context,
key=CloudTasksLink.key,
value={"project_id": project_id},
)
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