94 lines
2.3 KiB
Python
94 lines
2.3 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 typing import Dict, Union
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from kfp import dsl, components
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from kfp_tekton.tekton import AddOnGroup
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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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GCS_DOWNLOAD_STR = """
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name: gcs-download
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description: download file from GCS
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inputs:
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- {name: url, type: String}
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outputs:
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- {name: data, type: String}
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implementation:
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container:
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image: google/cloud-sdk:279.0.0
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command:
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- sh
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- -c
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- gsutil cat $0 | tee $1
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- {inputValue: url}
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- {outputPath: data}
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"""
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gcs_download_op = components.load_component_from_text(GCS_DOWNLOAD_STR)
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ECHO_STR = """
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name: echo
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description: print out message
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inputs:
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- {name: text, type: String}
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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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- echo "$0"
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- {inputValue: text}
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"""
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echo_op = components.load_component_from_text(ECHO_STR)
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class Exception(AddOnGroup):
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"""Exception Handler"""
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def __init__(self, params: Dict[str, Union[dsl.PipelineParam, str, int]] = {}):
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super().__init__(kind='Exception',
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api_version='custom.tekton.dev/v1alpha1',
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params=params,
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is_finally=True)
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@dsl.pipeline(
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name='addon-sample',
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description='Addon sample for exception handing'
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)
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def addon_example(url: str = 'gs://ml-pipeline-playground/shakespeare1.txt'):
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"""A sample pipeline showing exit handler."""
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echo_op('echo task!')
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with Exception():
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download_task = gcs_download_op(url)
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echo_op(download_task.outputs['data'])
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if __name__ == '__main__':
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from kfp_tekton.compiler import TektonCompiler
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TektonCompiler().compile(addon_example,
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__file__.replace('.py', '.yaml'))
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