Effective DevOps with AWS

封面

Title Page

Copyright and Credits

Effective DevOps with AWS Second Edition

Packt Upsell

Why subscribe?

Packt.com

Contributors

About the authors

About the reviewer

Packt is searching for authors like you

Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Get in touch

Reviews

The Cloud and DevOps Revolution

Thinking in terms of the cloud and not infrastructure

Deploying your own hardware versus in the cloud

Cost analysis

Just-in-time infrastructure

The different layers of a cloud

Adopting a DevOps culture

The origin of DevOps

The developers versus operations dilemma

Too much code changing at once

Differences in the production environment

Communication

Key characteristics of a DevOps culture

Source control everything

Automating testing

Automating infrastructure provisioning and configuration

Automating deployment

Measuring everything

Deploying in AWS

How to take advantage of the AWS ecosystem?

How does AWS synergize with a DevOps culture?

Summary

Questions

Further reading

Deploying Your First Web Application

Technical requirements

Creating and configuring your account

Signing up

Enabling MFA on the root account

Creating a new user in IAM

Installing and configuring the command-line interface (CLI)

Installing WSL (Windows only)

Installing the AWS CLI package

Configuring the AWS CLI

Creating our first web server

Amazon Machine Images (AMIs)

Instance types

Security groups

Generating your SSH keys

Launching an EC2 instance

Connecting to the EC2 instance using SSH

Creating a simple Hello World web application

Installing Node.js

Running a Node.js Hello World application

Turning our simple code into a service using upstart

Terminating our EC2 instance

Summary

Questions

Further reading

Treating Your Infrastructure as Code

Technical requirements

Managing your infrastructure with CloudFormation

Getting started with CloudFormation

AWS CloudFormation Designer

CloudFormer

Recreating our Hello World example with CloudFormation

Using Troposphere to create a Python script for our template

Creating the stack in the CloudFormation console

Adding our template to a source control system

Updating our CloudFormation stack

Updating our Python script

Updating our stack

Change sets

Deleting our CloudFormation stack

Adding a configuration management system

Getting started with Ansible

Installing Ansible on your computer

Creating our Ansible playground

Creating our Ansible repository

Executing modules

Running arbitrary commands

Ansible playbooks

Creating a playbook

Creating roles to deploy and start our web application

Creating the playbook file

Executing a playbook

Canary-testing changes

Running Ansible in pull mode

Installing Git and Ansible on our EC2 instance

Configuring Ansible to run on localhost