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imagepullsecrets.py
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imagepullsecrets.py
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# Copyright 2020 kubeflow.org
#
# 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.
"""Example demonstrating how to specify imagepullsecrets to access protected
container registry.
"""
import kfp.dsl as dsl
from kubernetes import client as k8s_client
class GetFrequentWordOp(dsl.ContainerOp):
"""A get frequent word class representing a component in ML Pipelines.
The class provides a nice interface to users by hiding details such as container,
command, arguments.
"""
def __init__(self, name, message):
"""
Args:
name: An identifier of the step which needs to be unique within a pipeline.
message: a dsl.PipelineParam object representing an input message.
"""
super(GetFrequentWordOp, self).__init__(
name=name,
image='python:3.5-jessie',
command=['sh', '-c'],
arguments=['python -c "from collections import Counter; '
'text = \'%s\'; '
'print(\'Input: \' + text); '
'words = Counter(text.split()); '
'print(\'Most frequent word: \' + str(max(words, key=words.get)))" '
'| tee /tmp/message.txt' % message],
file_outputs={'word': '/tmp/message.txt'})
@dsl.pipeline(
name='Save Most Frequent',
description='Get Most Frequent Word and Save to GCS'
)
# def save_most_frequent_word(message: str):
def imagepullsecrets_pipeline(
message="When flies fly behind flies, then flies are following flies."):
"""A pipeline function describing the orchestration of the workflow."""
counter = GetFrequentWordOp(
name='get-Frequent',
message=message)
# Call set_image_pull_secrets after get_pipeline_conf().
dsl.get_pipeline_conf() \
.set_image_pull_secrets([k8s_client.V1ObjectReference(name="secretA")])
if __name__ == '__main__':
from kfp_tekton.compiler import TektonCompiler
TektonCompiler().compile(imagepullsecrets_pipeline, __file__.replace('.py', '.yaml'))