78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
# Copyright 2019 The Kubeflow Authors
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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.dsl as dsl
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@dsl.pipeline(
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name="VolumeSnapshotOp Sequential",
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description="The fourth example of the design doc.")
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def volume_snapshotop_sequential(url):
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vop = dsl.VolumeOp(
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name="create_volume",
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resource_name="vol1",
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size="1Gi",
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modes=dsl.VOLUME_MODE_RWM)
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step1 = dsl.ContainerOp(
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name="step1_ingest",
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image="google/cloud-sdk:279.0.0",
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command=["sh", "-c"],
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arguments=[
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"mkdir /data/step1 && "
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"gsutil cat %s | gzip -c >/data/step1/file1.gz" % url
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],
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pvolumes={"/data": vop.volume})
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step1_snap = dsl.VolumeSnapshotOp(
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name="step1_snap", resource_name="step1_snap", volume=step1.pvolume)
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step2 = dsl.ContainerOp(
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name="step2_gunzip",
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image="library/bash:4.4.23",
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command=["sh", "-c"],
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arguments=[
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"mkdir /data/step2 && "
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"gunzip /data/step1/file1.gz -c >/data/step2/file1"
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],
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pvolumes={"/data": step1.pvolume})
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step2_snap = dsl.VolumeSnapshotOp(
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name="step2_snap", resource_name="step2_snap", volume=step2.pvolume)
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step3 = dsl.ContainerOp(
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name="step3_copy",
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image="library/bash:4.4.23",
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command=["sh", "-c"],
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arguments=[
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"mkdir /data/step3 && "
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"cp -av /data/step2/file1 /data/step3/file3"
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],
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pvolumes={"/data": step2.pvolume})
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step3_snap = dsl.VolumeSnapshotOp(
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name="step3_snap", resource_name="step3_snap", volume=step3.pvolume)
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step4 = dsl.ContainerOp(
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name="step4_output",
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image="library/bash:4.4.23",
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command=["cat", "/data/step2/file1", "/data/step3/file3"],
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pvolumes={"/data": step3.pvolume})
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if __name__ == "__main__":
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import kfp.compiler as compiler
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compiler.Compiler().compile(volume_snapshotop_sequential,
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__file__ + ".tar.gz")
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