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Update create_deployment notebook

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djkonro 2017-06-03 17:55:33 +01:00
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examples/notebooks/create_deployment.ipynb
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@ -1,10 +1,25 @@
{
"cells": [
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"How to create a Deployment\n",
"==========================\n",
"\n",
"In this notebook, we show you how to create a Deployment with 3 ReplicaSets. These ReplicaSets are owned by the Deployment and are managed by the Deployment controller. We would also learn how to carry out RollingUpdate and RollBack to new and older versions of the deployment."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
@ -12,48 +27,320 @@
]
},
{
"cell_type": "code",
"execution_count": null,
"cell_type": "markdown",
"metadata": {
"collapsed": true
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"client.Configuration().host=\"http://localhost:8080\""
"### Load config from default location"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"extensions = client.ExtensionsV1beta1Api()"
"config.load_kube_config()\n",
"extension = client.ExtensionsV1beta1Api()"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Create Deployment object"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"deployment = client.ExtensionsV1beta1Deployment()"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Fill required Deployment fields (apiVersion, kind, and metadata)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"deployment.api_version = \"extensions/v1beta1\"\n",
"deployment.kind = \"Deployment\"\n",
"deployment.metadata = client.V1ObjectMeta(name=\"nginx-deployment\")"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### A Deployment also needs a .spec section"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"spec = client.ExtensionsV1beta1DeploymentSpec()\n",
"spec.replicas = 3"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Add Pod template in .spec.template section"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"body = extensions.V1beta1Deployment()\n",
"namespace = \"default\"\n",
"\n",
"deployment = client.V1beta1Deployment()\n",
"deployment.metadata = client.V1ObjectMeta(name=\"jupyter\")\n",
"spec = client.V1beta1DeploymentSpec()\n",
"spec.template = client.V1PodTemplateSpec()\n",
"spec.template.metadata = client.V1ObjectMeta()\n",
"spec.template.spec = client.V1PodSpec()\n",
"\n",
"\n",
"extensions.create_namespaced_deployment(namespace, body)"
"spec.template.metadata = client.V1ObjectMeta(labels={\"app\": \"nginx\"})\n",
"spec.template.spec = client.V1PodSpec()"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Pod template container description"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"container = client.V1Container()\n",
"container.name=\"nginx\"\n",
"container.image=\"nginx:1.7.9\"\n",
"container. ports = [client.V1ContainerPort(container_port=80)]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"spec.template.spec.containers = [container]\n",
"deployment.spec = spec"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Create Deployment"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"extension.create_namespaced_deployment(namespace=\"default\", body=deployment)"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Update container image "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"deployment.spec.template.spec.containers[0].image = \"nginx:1.9.1\""
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Apply update (RollingUpdate)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"extension.replace_namespaced_deployment(name=\"nginx-deployment\", namespace=\"default\", body=deployment)"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Create DeploymentRollback object\n",
"This object is used to rollback to a previous version of the deployment."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"rollback = client.ExtensionsV1beta1DeploymentRollback()\n",
"rollback.api_version = \"extensions/v1beta1\"\n",
"rollback.kind = \"DeploymentRollback\"\n",
"rollback.rollback_to = client.ExtensionsV1beta1RollbackConfig()\n",
"rollback.rollback_to.revision = 0\n",
"rollback.name = \"nginx-deployment\""
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Execute RollBack"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"extension.create_namespaced_deployment_rollback_rollback(name=\"nginx-deployment\", namespace=\"default\", body=rollback)"
]
},
{
"cell_type": "markdown",
"metadata": {
"deletable": true,
"editable": true
},
"source": [
"### Delete Deployment"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"extension.delete_namespaced_deployment(name=\"nginx-deployment\", namespace=\"default\", body=client.V1DeleteOptions(propagation_policy=\"Foreground\", grace_period_seconds=5))"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": []
}
],
"metadata": {
@ -72,9 +359,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.12"
"version": "2.7.13"
}
},
"nbformat": 4,
"nbformat_minor": 1
"nbformat_minor": 2
}