airflow workflows 源码

airflow workflows 代码

文件路径：/airflow/providers/google/cloud/links/workflows.py

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# Licensed to the Apache Software Foundation (ASF) under one
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# distributed with this work for additional information
# 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
#
# Unless required by applicable law or agreed to in writing,
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
"""This module contains Google Workflows 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

WORKFLOWS_BASE_LINK = "workflows"
WORKFLOW_LINK = WORKFLOWS_BASE_LINK + "/workflow/{location_id}/{workflow_id}/executions?project={project_id}"
WORKFLOWS_LINK = WORKFLOWS_BASE_LINK + "?project={project_id}"
EXECUTION_LINK = (
    WORKFLOWS_BASE_LINK
    + "/workflow/{location_id}/{workflow_id}/execution/{execution_id}?project={project_id}"
)


class WorkflowsWorkflowDetailsLink(BaseGoogleLink):
    """Helper class for constructing Workflow details Link"""

    name = "Workflow details"
    key = "workflow_details"
    format_str = WORKFLOW_LINK

    @staticmethod
    def persist(
        context: Context,
        task_instance: BaseOperator,
        location_id: str,
        workflow_id: str,
        project_id: str | None,
    ):
        task_instance.xcom_push(
            context,
            key=WorkflowsWorkflowDetailsLink.key,
            value={"location_id": location_id, "workflow_id": workflow_id, "project_id": project_id},
        )


class WorkflowsListOfWorkflowsLink(BaseGoogleLink):
    """Helper class for constructing list of Workflows Link"""

    name = "List of workflows"
    key = "list_of_workflows"
    format_str = WORKFLOWS_LINK

    @staticmethod
    def persist(
        context: Context,
        task_instance: BaseOperator,
        project_id: str | None,
    ):
        task_instance.xcom_push(
            context,
            key=WorkflowsListOfWorkflowsLink.key,
            value={"project_id": project_id},
        )


class WorkflowsExecutionLink(BaseGoogleLink):
    """Helper class for constructing Workflows Execution Link"""

    name = "Workflow Execution"
    key = "workflow_execution"
    format_str = EXECUTION_LINK

    @staticmethod
    def persist(
        context: Context,
        task_instance: BaseOperator,
        location_id: str,
        workflow_id: str,
        execution_id: str,
        project_id: str | None,
    ):
        task_instance.xcom_push(
            context,
            key=WorkflowsExecutionLink.key,
            value={
                "location_id": location_id,
                "workflow_id": workflow_id,
                "execution_id": execution_id,
                "project_id": project_id,
            },
        )

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