text: # 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.deprecated.dsl as dsl
  from kubernetes import client as k8s_client
  
  
  @dsl.pipeline(name='Sidecar', description='A pipeline with sidecars.')
  def sidecar_pipeline():
  
      echo = dsl.Sidecar(
          name='echo', image='hashicorp/http-echo', args=['-text="hello world"'])
  
      op1 = dsl.ContainerOp(
          name='download',
          image='busybox',
          command=['sh', '-c'],
          arguments=['sleep 10; wget localhost:5678 -O /tmp/results.txt'],
          sidecars=[echo],
          file_outputs={'downloaded': '/tmp/results.txt'})
  
      op2 = dsl.ContainerOp(
          name='echo',
          image='library/bash',
          command=['sh', '-c'],
          arguments=['echo %s' % op1.output])
  