Source code for airflow.providers.google.cloud.links.spanner
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"""This module contains Google Spanner 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]SPANNER_BASE_LINK = "/spanner/instances"
[docs]SPANNER_INSTANCE_LINK = SPANNER_BASE_LINK + "/{instance_id}/details/databases?project={project_id}"
[docs]SPANNER_DATABASE_LINK = (
SPANNER_BASE_LINK + "/{instance_id}/databases/{database_id}/details/tables?project={project_id}"
)
[docs]class SpannerInstanceLink(BaseGoogleLink):
"""Helper class for constructing Spanner Instance Link."""
[docs] name = "Spanner Instance"
[docs] key = "spanner_instance"
@staticmethod
[docs] def persist(
context: Context,
task_instance: BaseOperator,
instance_id: str,
project_id: str | None,
):
task_instance.xcom_push(
context,
key=SpannerInstanceLink.key,
value={"instance_id": instance_id, "project_id": project_id},
)
[docs]class SpannerDatabaseLink(BaseGoogleLink):
"""Helper class for constructing Spanner Database Link."""
[docs] name = "Spanner Database"
[docs] key = "spanner_database"
@staticmethod
[docs] def persist(
context: Context,
task_instance: BaseOperator,
instance_id: str,
database_id: str,
project_id: str | None,
):
task_instance.xcom_push(
context,
key=SpannerDatabaseLink.key,
value={"instance_id": instance_id, "database_id": database_id, "project_id": project_id},
)