70 lines
2.0 KiB
Python
Executable File
70 lines
2.0 KiB
Python
Executable File
# Copyright 2021 kubeflow.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from kfp import dsl, components
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from kfp_tekton.tekton import CEL_ConditionOp
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def flip_coin_op():
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"""Flip a coin and output heads or tails randomly."""
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return components.load_component_from_text("""
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name: flip-coin
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description: Flip coin
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outputs:
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- {name: output_result, type: String}
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implementation:
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container:
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image: python:alpine3.6
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command:
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- sh
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- -c
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args:
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- |
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python -c "import random; result = 'heads' if random.randint(0,1) == 0 \
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else 'tails'; print(result)" | tee $0
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- {outputPath: output_result}
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""")()
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def print_op(msg: str):
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"""Print a message."""
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return components.load_component_from_text("""
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name: print
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description: Print
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inputs:
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- {name: msg, type: String}
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implementation:
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container:
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image: alpine:3.6
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command:
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- echo
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- {inputValue: msg}
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""")(msg=msg)
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@dsl.pipeline(
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name='tekton-custom-task-on-kubeflow-pipeline',
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description='Shows how to use Tekton custom task with KFP'
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)
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def custom_task_pipeline():
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flip = flip_coin_op()
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flip2 = flip_coin_op()
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cel_condition = CEL_ConditionOp("'%s' == '%s'" % (flip.output, flip2.output))
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print_op('Condition output is %s' % cel_condition.output)
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if __name__ == '__main__':
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from kfp_tekton.compiler import TektonCompiler
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TektonCompiler().compile(custom_task_pipeline, __file__.replace('.py', '.yaml'))
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