# Copyright 2019 Google LLC
#
# 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
from kfp import dsl


@dsl.pipeline(name='my-pipeline')
def pipeline(loopidy_doop=[{'a': 1, 'b': 2}, {'a': 10, 'b': 20}]):
    op0 = dsl.ContainerOp(
        name="my-out-cop0",
        image='python:alpine3.6',
        command=["sh", "-c"],
        arguments=[
            'python -c "import json; import sys; json.dump([i for i in range(20, 31)], open(\'/tmp/out.json\', \'w\'))"'],
        file_outputs={'out': '/tmp/out.json'},
    )

    with dsl.ParallelFor(loopidy_doop) as item:
        op1 = dsl.ContainerOp(
            name="my-in-cop1",
            image="library/bash:4.4.23",
            command=["sh", "-c"],
            arguments=["echo no output global op1, item.a: %s" % item.a],
        ).after(op0)

    op_out = dsl.ContainerOp(
        name="my-out-cop2",
        image="library/bash:4.4.23",
        command=["sh", "-c"],
        arguments=["echo no output global op2, outp: %s" % op0.output],
    )


if __name__ == '__main__':
    kfp.compiler.Compiler().compile(pipeline, __file__ + '.zip')