#!/usr/bin/env python3
# Copyright 2018 The Kubeflow Authors
#
# 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.deprecated.dsl as dsl


class RandomFailure1Op(dsl.ContainerOp):
    """A component that fails randomly."""

    def __init__(self, exit_codes):
        super(RandomFailure1Op, self).__init__(
            name='random_failure',
            image='python:alpine3.6',
            command=['python', '-c'],
            arguments=[
                "import random; import sys; exit_code = random.choice([%s]); print(exit_code); sys.exit(exit_code)"
                % exit_codes
            ])


@dsl.pipeline(
    name='pipeline includes two steps which fail randomly.',
    description='shows how to use ContainerOp set_retry().')
def retry_sample_pipeline():
    op1 = RandomFailure1Op('0,1,2,3').set_timeout(10)
    op2 = RandomFailure1Op('0,1')
    dsl.get_pipeline_conf().set_timeout(50)


if __name__ == '__main__':
    import kfp.deprecated.compiler as compiler
    compiler.Compiler().compile(retry_sample_pipeline, __file__ + '.tar.gz')
