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job_crud.py
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job_crud.py
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# Copyright 2016 The Kubernetes 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.
"""
Creates, updates, and deletes a job object.
"""
from os import path
from time import sleep
import yaml
from kubernetes import client, config
JOB_NAME = "pi"
def create_job_object():
# Configure Pod template container
container = client.V1Container(
name="pi",
image="perl",
command=["perl", "-Mbignum=bpi", "-wle", "print bpi(2000)"])
# Create and configure a spec section
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": "pi"}),
spec=client.V1PodSpec(restart_policy="Never", containers=[container]))
# Create the specification of deployment
spec = client.V1JobSpec(
template=template,
backoff_limit=4)
# Instantiate the job object
job = client.V1Job(
api_version="batch/v1",
kind="Job",
metadata=client.V1ObjectMeta(name=JOB_NAME),
spec=spec)
return job
def create_job(api_instance, job):
api_response = api_instance.create_namespaced_job(