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Add notebook on how to create a Service
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{ | ||
"cells": [ | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"How to create a Service\n", | ||
"=============\n", | ||
"\n", | ||
"In this notebook, we show you how to create a [Service](https://kubernetes.io/docs/concepts/services-networking/service/). \n", | ||
"A Service in Kubernetes is a REST object, similar to a Pod. It is an abstraction which defines a logical set of Pods and a policy by which to access them - sometimes called a micro-service." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"from kubernetes import client, config" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Load config from default location" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"config.load_kube_config()" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Create an instance of the API class" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"api_instance = client.CoreV1Api()" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Create Service object" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"service = client.V1Service()" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Fill required Service fields (apiVersion, kind, and metadata)" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"service.api_version = 'v1'\n", | ||
"service.kind = 'Service'\n", | ||
"service.metadata = client.V1ObjectMeta(name='my-service')" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Provide Service .spec description\n", | ||
"Set Service object named **my-service** to target TCP port **9376** on any Pod with the **app=MyApp** label." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"spec = client.V1ServiceSpec()\n", | ||
"spec.selector = {'app': 'MyApp'}\n", | ||
"spec.ports = [client.V1ServicePort(protocol='TCP', port=80, target_port=9376)]\n", | ||
"service.spec = spec" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Create Service" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": false, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"api_instance.create_namespaced_service(namespace='default', body=service)" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": { | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"source": [ | ||
"### Delete Service" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": false, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [ | ||
"api_instance.delete_namespaced_service(name='my-service', namespace='default')" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": { | ||
"collapsed": true, | ||
"deletable": true, | ||
"editable": true | ||
}, | ||
"outputs": [], | ||
"source": [] | ||
} | ||
], | ||
"metadata": { | ||
"kernelspec": { | ||
"display_name": "Python 2", | ||
"language": "python", | ||
"name": "python2" | ||
}, | ||
"language_info": { | ||
"codemirror_mode": { | ||
"name": "ipython", | ||
"version": 2 | ||
}, | ||
"file_extension": ".py", | ||
"mimetype": "text/x-python", | ||
"name": "python", | ||
"nbconvert_exporter": "python", | ||
"pygments_lexer": "ipython2", | ||
"version": "2.7.13" | ||
} | ||
}, | ||
"nbformat": 4, | ||
"nbformat_minor": 2 | ||
} |