input_artifact_raw_value.py

# Copyright 2020 kubeflow.org
#
# 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 sys

from kfp import dsl, components
from pathlib import Path

sys.path.insert(0, __file__ + '/../../../../')


component_with_inline_input_artifact = components.load_component_from_text("""
name: component_with_inline_input_artifact
description: component_with_inline_input_artifact
inputs:
    - {name: text, type: String}
implementation:
    container:
        image: alpine
        command:
        - sh
        - -c
        args:
        - |
          cat $0
        - {inputPath: text}
""")

component_with_input_artifact = components.load_component_from_text("""
name: component_with_input_artifact
description: component_with_input_artifact
inputs:
    - {name: text, type: String}
implementation:
    container:
        image: alpine
        command:
        - sh
        - -c
        args:
        - |
          cat $0
        - {inputPath: text}
""")


def component_with_hardcoded_input_artifact_value():
    """A component that passes hard-coded text as input artifact"""
    return component_with_input_artifact('hard-coded artifact value')


def component_with_input_artifact_value_from_file(file_path):
    """A component that passes contents of a file as input artifact"""
    return component_with_input_artifact(Path(file_path).read_text())


@dsl.pipeline(
    name='pipeline-with-artifact-input-raw-argument-value',
    description='Pipeline shows how to define artifact inputs and pass raw artifacts to them.'
)
def input_artifact_pipeline():
    component_with_inline_input_artifact('Constant artifact value')
    component_with_input_artifact('Constant artifact value')
    component_with_hardcoded_input_artifact_value()

    file_path = str(Path(__file__).parent.joinpath('input_artifact_raw_value.txt'))
    component_with_input_artifact_value_from_file(file_path)


if __name__ == '__main__':
    from kfp_tekton.compiler import TektonCompiler
    TektonCompiler().compile(input_artifact_pipeline, __file__.replace('.py', '.yaml'))