pipelines/samples/core/sequential/sequential.py

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1.5 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright 2019-2023 The Kubeflow Authors
#
# Licensed 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, software
# distributed under the License is distributed on an "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.
from kfp import dsl, compiler
@dsl.container_component
def gcs_download_op(url: str, output: dsl.OutputPath(str)):
return dsl.ContainerSpec(
image='google/cloud-sdk:279.0.0',
command=['sh', '-c'],
args=['gsutil cat $0 | tee $1', url, output],
)
@dsl.container_component
def echo_op(text: str):
return dsl.ContainerSpec(
image='library/bash:4.4.23',
command=['sh', '-c'],
args=['echo "$0"', text]
)
@dsl.pipeline(
name='sequential-pipeline',
description='A pipeline with two sequential steps.'
)
def sequential_pipeline(url: str = 'gs://ml-pipeline/sample-data/shakespeare/shakespeare1.txt'):
"""A pipeline with two sequential steps."""
download_task = gcs_download_op(url=url)
echo_task = echo_op(text=download_task.output)
if __name__ == '__main__':
compiler.Compiler().compile(sequential_pipeline, __file__ + '.yaml')