# Copyright 2018 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
from kubernetes import client as k8s_client


@dsl.pipeline(name='Volume', description='A pipeline with volume.')
def volume_pipeline():
    op1 = dsl.ContainerOp(
        name='download',
        image='google/cloud-sdk',
        command=['sh', '-c'],
        arguments=['ls | tee /tmp/results.txt'],
        file_outputs={'downloaded': '/tmp/results.txt'}) \
      .add_volume(k8s_client.V1Volume(name='gcp-credentials',
                                     secret=k8s_client.V1SecretVolumeSource(
                                         secret_name='user-gcp-sa'))) \
      .add_volume_mount(k8s_client.V1VolumeMount(
        mount_path='/secret/gcp-credentials', name='gcp-credentials')) \
      .add_env_variable(k8s_client.V1EnvVar(
        name='GOOGLE_APPLICATION_CREDENTIALS',
        value='/secret/gcp-credentials/user-gcp-sa.json')) \
      .add_env_variable(k8s_client.V1EnvVar(name='Foo', value='bar'))
    op2 = dsl.ContainerOp(
        name='echo',
        image='library/bash',
        command=['sh', '-c'],
        arguments=['echo %s' % op1.output])