pipelines/samples/test/legacy_exit_handler.py

58 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright 2019 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.
import kfp.deprecated as kfp
from kfp.deprecated import dsl, compiler
def gcs_download_op(url):
return dsl.ContainerOp(
name='GCS - Download',
image='google/cloud-sdk:279.0.0',
command=['sh', '-ce'],
arguments=['gsutil cp $0 $1 && cat $1', url, '/tmp/results.txt'],
file_outputs={
'data': '/tmp/results.txt',
}
)
def echo_op(text):
return dsl.ContainerOp(
name='echo',
image='library/bash:4.4.23',
command=['sh', '-cex'],
arguments=['echo "$0"', text],
)
@dsl.pipeline(
name='Exit Handler',
description=
'Downloads a message and prints it. The exit handler will run after the pipeline finishes (successfully or not).'
)
def download_and_print(url='gs://ml-pipeline/shakespeare1.txt'):
"""A sample pipeline showing exit handler."""
exit_task = echo_op('exit!')
with dsl.ExitHandler(exit_task):
download_task = gcs_download_op(url)
echo_task = echo_op(download_task.output)
if __name__ == '__main__':
compiler.Compiler().compile(download_and_print, __file__ + '.yaml')