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Merge pull request #239 from djkonro/master

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Update create_deployment notebook
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Mehdy Bohlool 2017-07-07 10:25:07 -07:00 committed by GitHub
commit 9ba5378f96
1 changed files with 309 additions and 22 deletions
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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
}