144 lines
4.2 KiB
Python
144 lines
4.2 KiB
Python
# Copyright 2020 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.compiler import TektonCompiler
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class Coder:
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def empty(self):
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return ""
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TektonCompiler._get_unique_id_code = Coder.empty
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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, 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}
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""")()
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def print_op(msg):
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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 msg
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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._component.graph_component
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def flip_component(flip_result: str, maxVal: int, my_pipe_param: int):
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with dsl.Condition(flip_result == 'heads'):
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print_flip = print_op(flip_result)
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flipA = flip_coin_op().after(print_flip)
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loop_args = [{'a': 1, 'b': 2}, {'a': 10, 'b': 20}]
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with dsl.ParallelFor(loop_args) as item:
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op1 = components.load_component_from_text("""
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name: my-in-coop1
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description: in coop1
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inputs:
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- {name: input1, type: Integer}
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- {name: input2, type: Integer}
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implementation:
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container:
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image: library/bash:4.4.23
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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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echo op1 $0 $1
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- {inputValue: input1}
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- {inputValue: input2}
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""")(input1=item.a, input2=my_pipe_param)
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with dsl.ParallelFor([100, 200, 300]) as inner_item:
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op11 = components.load_component_from_text("""
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name: my-inner-inner-coop
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description: my inner inner coop
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inputs:
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- {name: input1, type: Integer}
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- {name: input2, type: Integer}
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- {name: input3, type: Integer}
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implementation:
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container:
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image: library/bash:4.4.23
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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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echo op1 $0 $1 $2
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- {inputValue: input1}
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- {inputValue: input2}
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- {inputValue: input3}
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""")(input1=item.a, input2=inner_item, input3=my_pipe_param)
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op2 = components.load_component_from_text("""
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name: my-in-coop2
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description: my in coop2
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inputs:
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- {name: input1, type: Integer}
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implementation:
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container:
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image: library/bash:4.4.23
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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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echo op2 $0
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- {inputValue: input1}
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""")(input1=item.b)
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flip_component(flipA.output, maxVal, my_pipe_param)
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@dsl.pipeline(
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name='loop-in-recursion-pipeline',
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description='shows how to use graph_component and recursion.'
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)
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def flipcoin(maxVal: int = 12, my_pipe_param: int = 10):
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flip_out = flip_coin_op()
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flip_loop = flip_component(flip_out.outputs['output'], maxVal, my_pipe_param)
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print_op('cool, it is over. %s' % flip_out.outputs['output']).after(flip_loop)
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if __name__ == '__main__':
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TektonCompiler().compile(flipcoin, __file__.replace('.py', '.yaml'))
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