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Merge pull request #239 from djkonro/master
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Update create_deployment notebook
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@mbohlool
mbohlool committed Jul 7, 2017
2 parents 1471c6d + 7d98dcc commit 9ba5378
Showing 1 changed file with 306 additions and 19 deletions.
325 changes: 306 additions & 19 deletions examples/notebooks/create_deployment.ipynb
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@@ -1,59 +1,346 @@
{
"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": [
"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
"collapsed": true,
"deletable": true,
"editable": true
},
"outputs": [],
"source": [
"client.Configuration().host=\"http://localhost:8080\""
"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": [
"extensions = client.ExtensionsV1beta1Api()"
"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
"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": {
Expand All @@ -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
}

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