79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# Copyright 2020-2021 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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FLIP_COIN_STR = """
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name: flip
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description: Flip a coin and output heads or tails randomly
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inputs:
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- {name: forced_result, type: String}
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outputs:
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- {name: output, 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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- |
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python -c "import random; import sys; forced_result = '$0'; \
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result = 'heads' if random.randint(0,1) == 0 else 'tails'; \
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print(forced_result) if (forced_result == 'heads' or forced_result == 'tails') else print(result)" \
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| tee $1
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- {inputValue: forced_result}
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- {outputPath: output}
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"""
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flip_coin_op = components.load_component_from_text(FLIP_COIN_STR)
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PRINT_STR = """
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name: print
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description: print a message
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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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"""
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print_op = components.load_component_from_text(PRINT_STR)
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@dsl.pipeline(
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name='flip-coin-with-dependency',
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description='Shows how to use dsl.Condition.'
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)
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def flipcoin(forced_result1: str = 'heads', forced_result2: str = 'tails'):
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flip = flip_coin_op(str(forced_result1))
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with dsl.Condition(flip.outputs['output'] == 'heads') as condition:
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flip2 = flip_coin_op(str(forced_result2))
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with dsl.Condition(flip2.outputs['output'] == 'tails'):
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print_op(flip2.outputs['output'])
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with dsl.Condition(flip.outputs['output'] == 'tails') as condition_2:
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print_op(flip.outputs['output'])
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print_op('done').after(condition).after(condition_2)
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if __name__ == '__main__':
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from kfp_tekton.compiler import TektonCompiler
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TektonCompiler().compile(flipcoin, __file__.replace('.py', '.yaml'))
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