Terraform in Action 1st Edition by Scott Winkler, Armon Dadgar ISBN 1617296899 9781617296895

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Product details:

ISBN 10: 1617296899
ISBN 13: 9781617296895
Author: Scott Winkler, Armon Dadgar

Terraform in Action 1st Edition Table of contents:

Part 1 Terraform bootcamp

1 Getting started with Terraform

1.1 What makes Terraform so great?

1.1.1 Provisioning tool

1.1.2 Easy to use

1.1.3 Free and open source software

1.1.4 Declarative programming

1.1.5 Cloud-agnostic

1.1.6 Richly expressive and highly extensible

1.2 “Hello Terraform!”

1.2.1 Writing the Terraform configuration

1.2.2 Configuring the AWS provider

1.2.3 Initializing Terraform

1.2.4 Deploying the EC2 instance

1.2.5 Destroying the EC2 instance

1.3 Brave new “Hello Terraform!”

1.3.1 Modifying the Terraform configuration

1.3.2 Applying changes

1.3.3 Destroying the infrastructure

1.4 Fireside chat

Summary

2 Life cycle of a Terraform resource

2.1 Process overview

2.1.1 Life cycle function hooks

2.2 Declaring a local file resource

2.3 Initializing the workspace

2.4 Generating an execution plan

2.4.1 Inspecting the plan

2.5 Creating the local file resource

2.6 Performing No-Op

2.7 Updating the local file resource

2.7.1 Detecting configuration drift

2.7.2 Terraform refresh

2.8 Deleting the local file resource

2.9 Fireside chat

Summary

3 Functional programming

3.1 Fun with Mad Libs

3.1.1 Input variables

3.1.2 Assigning values with a variable definition file

3.1.3 Validating variables

3.1.4 Shuffling lists

3.1.5 Functions

3.1.6 Output values

3.1.7 Templates

3.1.8 Printing output

3.2 Generating many Mad Libs stories

3.2.1 for expressions

3.2.2 Local values

3.2.3 Implicit dependencies

3.2.4 count parameter

3.2.5 Conditional expressions

3.2.6 More templates

3.2.7 Local file

3.2.8 Zipping files

3.2.9 Applying changes

3.3 Fireside chat

Summary

4 Deploying a multi-tiered web application in AWS

4.1 Architecture

4.2 Terraform modules

4.2.1 Module syntax

4.2.2 What is the root module?

4.2.3 Standard module structure

4.3 Root module

4.3.1 Code

4.4 Networking module

4.5 Database module

4.5.1 Passing data from the networking module

4.5.2 Generating a random password

4.6 Autoscaling module

4.6.1 Trickling down data

4.6.2 Templating a cloudinit_config

4.7 Deploying the web application

4.8 Fireside chat

Summary

Part 2 Terraform in the wild

5 Serverless made easy

5.1 The “two-penny website”

5.2 Architecture and planning

5.2.1 Sorting by group and then by size

5.3 Writing the code

5.3.1 Resource group

5.3.2 Storage container

5.3.3 Storage blob

5.3.4 Function app

5.3.5 Final touches

5.4 Deploying to Azure

5.5 Combining Azure Resource Manager (ARM) with Terraform

5.5.1 Deploying unsupported resources

5.5.2 Migrating from legacy code

5.5.3 Generating configuration code

5.6 Fireside chat

Summary

6 Terraform with friends

6.1 Standard and enhanced backends

6.2 Developing an S3 backend module

6.2.1 Architecture

6.2.2 Flat modules

6.2.3 Writing the code

6.3 Sharing modules

6.3.1 GitHub

6.3.2 Terraform Registry

6.4 Everyone gets an S3 backend

6.4.1 Deploying the S3 backend

6.4.2 Storing state in the S3 backend

6.5 Reusing configuration code with workspaces

6.5.1 Deploying multiple environments

6.5.2 Cleaning up

6.6 Introducing Terraform Cloud

6.7 Fireside chat

Summary

7 CI/CD pipelines as code

7.1 A tale of two deployments

7.2 CI/CD for Docker containers on GCP

7.2.1 Designing the pipeline

7.2.2 Detailed engineering

7.3 Initial workspace setup

7.3.1 Organizing the directory structure

7.4 Dynamic configurations and provisioners

7.4.1 for_each vs. count

7.4.2 Executing scripts with provisioners

7.4.3 Null resource with a local-exec provisioner

7.4.4 Dealing with repeating configuration blocks

7.4.5 Dynamic blocks: Rare boys

7.5 Configuring a serverless container

7.6 Deploying static infrastructure

7.7 CI/CD of a Docker container

7.7.1 Kicking off the CI/CD pipeline

7.8 Fireside chat

Summary

8 A multi-cloud MMORPG

8.1 Hybrid-cloud load balancing

8.1.1 Architectural overview

8.1.2 Code

8.1.3 Deploy

8.2 Deploying an MMORPG on a federated Nomad cluster

8.2.1 Cluster federation 101

8.2.2 Architecture

8.2.3 Stage 1: Static infrastructure

8.2.4 Stage 2: Dynamic infrastructure

8.2.5 Ready player one

8.3 Re-architecting the MMORPG to use managed services

8.3.1 Code

8.3.2 Ready player two

8.4 Fireside chat

Summary

Part 3 Mastering Terraform

9 Zero-downtime deployments

9.1 Lifecycle customizations

9.1.1 Zero-downtime deployments with create_before_destroy

9.1.2 Additional considerations

9.2 Blue/Green deployments

9.2.1 Architecture

9.2.2 Code

9.2.3 Deploy

9.2.4 Blue/Green cutover

9.2.5 Additional considerations

9.3 Configuration management

9.3.1 Combining Terraform with Ansible

9.3.2 Code

9.3.3 Infrastructure deployment

9.3.4 Application deployment

9.4 Fireside chat

Summary

10 Testing and refactoring

10.1 Self-service infrastructure provisioning

10.1.1 Architecture

10.1.2 Code

10.1.3 Preliminary deployment

10.1.4 Tainting and rotating access keys

10.2 Refactoring Terraform configuration

10.2.1 Modularizing code

10.2.2 Module expansions

10.2.3 Replacing multi-line strings with local values

10.2.4 Looping through multiple module instances

10.2.5 New IAM module

10.3 Migrating Terraform state

10.3.1 State file structure

10.3.2 Moving resources

10.3.3 Redeploying

10.3.4 Importing resources

10.4 Testing infrastructure as code

10.4.1 Writing a basic Terraform test

10.4.2 Test fixtures

10.4.3 Running the test

10.5 Fireside chat

Summary

11 Extending Terraform by writing a custom provider

11.1 Blueprints for a Terraform provider

11.1.1 Terraform provider basics

11.1.2 Petstore provider architecture

11.2 Writing the Petstore provider

11.2.1 Setting up the Go project

11.2.2 Configuring the provider schema

11.3 Creating a pet resource

11.3.1 Defining Create()

11.3.2 Defining Read()

11.3.3 Defining Update()

11.3.4 Defining Delete()

11.4 Writing acceptance tests

11.4.1 Testing the provider schema

11.4.2 Testing the pet resource

11.5 Build, test, deploy

11.5.1 Deploying the Petstore API

11.5.2 Testing and building the provider

11.5.3 Installing the provider

11.5.4 Pets as code

11.6 Fireside chat

Summary

12 Automating Terraform

12.1 Poor person’s Terraform Enterprise

12.1.1 Reverse-engineering Terraform Enterprise

12.1.2 Design details

12.2 Beginning at the root

12.3 Developing a Terraform CI/CD pipeline

12.3.1 Declaring input variables

12.3.2 IAM roles and policies

12.3.3 Building the Plan and Apply stages

12.3.4 Configuring environment variables

12.3.5 Declaring the pipeline as code

12.3.6 Touching base

12.4 Deploying the Terraform CI/CD pipeline

12.4.1 Creating a source repository

12.4.2 Creating a least-privileged deployment policy

12.4.3 Configuring Terraform variables

12.4.4 Deploying to AWS

12.4.5 Connecting to GitHub

12.5 Deploying “Hello World!” with the pipeline

12.5.1 Queuing a destroy run

12.6 Fireside chat

12.6.1 FAQ

Summary

13 Security and secrets management

13.1 Securing Terraform state

13.1.1 Removing unnecessary secrets from Terraform state

13.1.2 Least-privileged access control

13.1.3 Encryption at rest

13.2 Securing logs

13.2.1 What sensitive information?

13.2.2 Dangers of local-exec provisioners

13.2.3 Dangers of external data sources

13.2.4 Dangers of the HTTP provider

13.2.5 Restricting access to logs

13.3 Managing static secrets

13.3.1 Environment variables

13.3.2 Terraform variables

13.3.3 Redirecting sensitive Terraform variables

13.4 Using dynamic secrets

13.4.1 HashiCorp Vault

13.4.2 AWS Secrets Manager

13.5 Sentinel and policy as code

13.5.1 Writing a basic Sentinel policy

13.5.2 Blocking local-exec provisioners

13.6 Final words

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Tags: Scott Winkler, Armon Dadgar, Terraform, Action