pipelines/samples/contrib/volume_ops/volumeop_sequential.py

58 lines
1.6 KiB
Python

# Copyright 2019 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.dsl as dsl
@dsl.pipeline(
name="VolumeOp Sequential",
description="The third example of the design doc."
)
def volumeop_sequential():
vop = dsl.VolumeOp(
name="mypvc",
resource_name="newpvc",
size="10Gi",
modes=dsl.VOLUME_MODE_RWM
)
step1 = dsl.ContainerOp(
name="step1",
image="library/bash:4.4.23",
command=["sh", "-c"],
arguments=["echo 1|tee /data/file1"],
pvolumes={"/data": vop.volume}
)
step2 = dsl.ContainerOp(
name="step2",
image="library/bash:4.4.23",
command=["sh", "-c"],
arguments=["cp /data/file1 /data/file2"],
pvolumes={"/data": step1.pvolume}
)
step3 = dsl.ContainerOp(
name="step3",
image="library/bash:4.4.23",
command=["cat", "/mnt/file1", "/mnt/file2"],
pvolumes={"/mnt": step2.pvolume}
)
if __name__ == "__main__":
import kfp.compiler as compiler
compiler.Compiler().compile(volumeop_sequential, __file__ + ".tar.gz")