tutorial_resource_plugin.py

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r"""
A tutorial example take you to experience pydolphinscheduler resource plugin.

Resource plug-ins can be defined in workflows and tasks

it will instantiate and run all the task it have.
"""
import os
from pathlib import Path

# [start tutorial_resource_plugin]
# [start package_import]
# Import Workflow object to define your workflow attributes
from pydolphinscheduler.core.workflow import Workflow

# Import task Shell object cause we would create some shell tasks later
from pydolphinscheduler.resources_plugin.local import Local
from pydolphinscheduler.tasks.shell import Shell

# [end package_import]

# [start workflow_declare]
with Workflow(
    name="tutorial_resource_plugin",
    schedule="0 0 0 * * ? *",
    start_time="2021-01-01",
    resource_plugin=Local("/tmp"),
) as workflow:
    # [end workflow_declare]
    # [start task_declare]
    file = "resource.sh"
    path = Path("/tmp").joinpath(file)
    with open(str(path), "w") as f:
        f.write("echo tutorial resource plugin")
    task_parent = Shell(
        name="local-resource-example",
        command=file,
    )
    print(task_parent.task_params)
    os.remove(path)
    # [end task_declare]

    # [start submit_or_run]
    workflow.run()
    # [end submit_or_run]
# [end tutorial_resource_plugin]