Source code for airflow.providers.google.cloud.links.pubsub
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"""This module contains Google Pub/Sub links."""
from __future__ import annotations
from typing import TYPE_CHECKING
from airflow.providers.google.cloud.links.base import BaseGoogleLink
if TYPE_CHECKING:
from airflow.models import BaseOperator
from airflow.utils.context import Context
[docs]PUBSUB_BASE_LINK = "/cloudpubsub"
[docs]PUBSUB_TOPIC_LINK = PUBSUB_BASE_LINK + "/topic/detail/{topic_id}?project={project_id}"
[docs]PUBSUB_SUBSCRIPTION_LINK = PUBSUB_BASE_LINK + "/subscription/detail/{subscription_id}?project={project_id}"
[docs]class PubSubTopicLink(BaseGoogleLink):
"""Helper class for constructing Pub/Sub Topic Link."""
@staticmethod
[docs] def persist(
context: Context,
task_instance: BaseOperator,
topic_id: str,
project_id: str | None,
):
task_instance.xcom_push(
context,
key=PubSubTopicLink.key,
value={"topic_id": topic_id, "project_id": project_id},
)
[docs]class PubSubSubscriptionLink(BaseGoogleLink):
"""Helper class for constructing Pub/Sub Subscription Link."""
[docs] name = "Pub/Sub Subscription"
[docs] key = "pubsub_subscription"
@staticmethod
[docs] def persist(
context: Context,
task_instance: BaseOperator,
subscription_id: str | None,
project_id: str | None,
):
task_instance.xcom_push(
context,
key=PubSubSubscriptionLink.key,
value={"subscription_id": subscription_id, "project_id": project_id},
)