task_map_reduce_example.py

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# [start workflow_declare]
"""A example workflow for task mr."""

from pydolphinscheduler.core.engine import ProgramType
from pydolphinscheduler.core.workflow import Workflow
from pydolphinscheduler.tasks.map_reduce import MR

with Workflow(name="task_map_reduce_example") as workflow:
    task = MR(
        name="task_mr",
        main_class="wordcount",
        main_package="hadoop-mapreduce-examples-3.3.1.jar",
        program_type=ProgramType.JAVA,
        main_args="/dolphinscheduler/tenant_exists/resources/file.txt /output/ds",
    )
    workflow.run()
# [end workflow_declare]