Book Image

Ansible 2 Cloud Automation Cookbook

By : Aditya Patawari, Vikas Aggarwal

Book Image

Ansible 2 Cloud Automation Cookbook

By: Aditya Patawari, Vikas Aggarwal

Overview of this book

Ansible has a large collection of inbuilt modules to manage various cloud resources. The book begins with the concepts needed to safeguard your credentials and explain how you interact with cloud providers to manage resources. Each chapter begins with an introduction and prerequisites to use the right modules to manage a given cloud provider. Learn about Amazon Web Services, Google Cloud, Microsoft Azure, and other providers. Each chapter shows you how to create basic computing resources, which you can then use to deploy an application. Finally, you will be able to deploy a sample application to demonstrate various usage patterns and utilities of resources.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

Getting Started with Ansible and Cloud Management

Getting Started with Ansible and Cloud Management

Installing Ansible

Executing the Ansible command line to check connectivity

Working with cloud providers

Executing playbooks locally

Managing secrets with Ansible Vault

Understanding sample application

Using dynamic inventory

Using Ansible to Manage AWS EC2

Using Ansible to Manage AWS EC2

Preparing Ansible to work with AWS

Creating and managing a VPC

Creating and managing security groups

Creating EC2 instances

Creating and assigning Elastic IPs

Attaching volumes to instances

Creating an Amazon Machine Image

Creating an Elastic Load Balancer and attaching to EC2 instances

Creating auto scaling groups

Deploying the phonebook application

Managing Amazon Web Services with Ansible

Managing Amazon Web Services with Ansible

Creating an RDS instance

Creating and deleting records in Route53

Managing S3 objects

Managing Lambda

Managing IAM users

Using dynamic inventory

Deploying the sample application

Exploring Google Cloud Platform with Ansible

Exploring Google Cloud Platform with Ansible

Preparing to work with Google Cloud Platform

Creating GCE instances

Attaching persistent disks

Creating snapshots for backup

Tagging an instance

Managing network and firewall rules

Managing load balancer

Managing GCE images

Creating instance templates

Creating managed instance groups

Managing objects in Google Cloud Storage

Creating a Cloud SQL instance (without Ansible module)

Using dynamic inventory

Deploying the phonebook application

Building Infrastructure with Microsoft Azure and Ansible

Building Infrastructure with Microsoft Azure and Ansible

Preparing Ansible to work with Azure

Creating an Azure virtual machine

Managing network interfaces

Working with public IP addresses

Using public IP addresses with network interfaces and virtual machines

Managing an Azure network security group

Working with Azure Blob storage

Using a dynamic inventory

Deploying a sample application

Working with DigitalOcean and Ansible

Working with DigitalOcean and Ansible

Preparing to work with DigitalOcean

Adding SSH keys to a DigitalOcean account

Creating Droplets

Managing Block Storage

Attaching a Floating IP

Using a Load Balancer

Adding an A DNS record

Using dynamic inventory

Deploying a sample application

Running Containers with Docker and Ansible

Running Containers with Docker and Ansible

Preparing Ansible to work with Docker

Running a container

Downloading Docker images

Mounting volumes in containers

Setting up Docker Registry

Logging into Docker Registry

Using Docker Compose to manage services

Scaling up Compose-based service

Deploying a sample application

Diving into OpenStack with Ansible

Diving into OpenStack with Ansible

Preparing Ansible to work with OpenStack

Adding a keypair

Managing security groups

Managing network resources

Managing a Nova compute instance

Creating a Cinder volume and attaching it to a Nova compute instance

Managing objects in Swift

User management

Creating a flavor

Adding an image

Dynamic inventory

Deploying the phonebook application

Ansible Tower

Installing Ansible Tower

Getting started with Tower

Adding a machine credential

Building a simple inventory

Executing ad-hoc commands

Using Ansible Tower with a cloud provider

Integrating Ansible roles with tower

Scheduling jobs

Ansible Tower API

Autoscaling using Callback

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Using dynamic inventory

Managing inventory in a text file can be a problem. A large cluster could overwhelm the maintainer of the inventory. On top of that, often the instances can be scaled at short notice. Keeping this in mind, we can use dynamic inventory to build and run playbooks on instances based on specific parameters. A list of instances is generated in real time, eliminating the need for maintaining an inventory manually.

How to do it...

Ansible's Github repository has scripts for various infrastructure providers, including a script for Google Compute Engine (https://github.com/ansible/ansible/blob/devel/contrib/inventory/gce.py). We need to download this script and configure it to use our credentials:

$...