mirror of https://github.com/kubeflow/examples.git
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
# Copyright 2023 kbthu. All Rights Reserved.
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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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import kfp
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from kfp import dsl
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def create_pv():
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return dsl.VolumeOp(
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name="create_pv",
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resource_name="kfp-pvc",
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size="1Gi",
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modes=dsl.VOLUME_MODE_RWO
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)
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def generate_data(vol_name: str):
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cop = dsl.ContainerOp(
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name='generate_data',
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image='bash:5.1',
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command=['sh', '-c'],
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arguments=['echo $(( $RANDOM % 10 + 1 )) | tee /mnt/out.txt']
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)
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cop.container.set_image_pull_policy('IfNotPresent')
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cop.add_pvolumes({'/mnt': dsl.PipelineVolume(pvc=vol_name)})
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return cop
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def use_pre_data(vol_name: str):
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cop = dsl.ContainerOp(
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name='use_pre_data',
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image='bash:5.1',
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command=['sh', '-c'],
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arguments=['tail /mnt/out.txt']
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)
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cop.container.set_image_pull_policy('IfNotPresent')
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cop.add_pvolumes({'/mnt': dsl.PipelineVolume(pvc=vol_name)})
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return cop
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@dsl.pipeline(
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name="Kubeflow volume example",
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description="Demonstrate the use case of volume on Kubeflow pipeline."
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)
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def volume_example():
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vop = create_pv()
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cop = generate_data(vop.outputs["name"]).after(vop)
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use_pre_data(vop.outputs["name"]).after(vop,cop)
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if __name__ == "__main__":
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import kfp.compiler as compiler
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compiler.Compiler().compile(volume_example, __file__ + ".yaml") |