Nginx

✍ Scribed by Rahul Soni

• Publisher: Apress
• Tongue: English
• Category: Library

✦ Synopsis

At a Glance; Contents; About the Author; About the Technical Reviewer; Acknowledgments; Chapter 1: Getting Started; What Is Configuration Management?; Infrastructure as Code; About Ansible; Puppet, Chef, and Other Configuration Management Tools; Installing Ansible; Writing Your First Playbook; Creating a Test Environment with Vagrant; About VirtualBox and Vagrant; Installing VirtualBox and Vagrant; Creating Your Environment; An Introduction to Playbooks; Your First Playbook; Playbooks and Idempotency; Summary; Chapter 2: The Inventory File; What's an Inventory?

✦ Table of Contents

At a Glance
Contents
About the Author
About the Technical Reviewer
Acknowledgments
Chapter 1: Getting Started
What Is Configuration Management?
Infrastructure as Code
About Ansible
Puppet, Chef, and Other Configuration Management Tools
Installing Ansible
Writing Your First Playbook
Creating a Test Environment with Vagrant
About VirtualBox and Vagrant
Installing VirtualBox and Vagrant
Creating Your Environment
An Introduction to Playbooks
Your First Playbook
Playbooks and Idempotency
Summary
Chapter 2: The Inventory File
What's an Inventory? Running Without VagrantConfiguration Options in the Inventory
Inventory Variable Registration
Inventory Groups
An Example Inventory
Dynamic Inventories
Multiple Inventories
Summary
Chapter 3: Installing WordPress
Installing WordPress
Environment Configuration
Installing Dependencies
Installing PHP
Installing MySQL
Installing nginx
Tasks and Handlers
Downloading WordPress
Downloading it Yourself
Downloading it Automatically
Configuring a WordPress Install
Making a Backup
Making It Idempotent
Summary
Chapter 4: Ansible Roles
Ansible Galaxy
Role Structure Splitting Up Your WordPress Playbookmheap.php
mheap.mysql
mheap.nginx
mheap.wordpress
mheap.common
Role Dependencies
Wrapper Roles
Creating Roles for Different Platforms
Tips for Writing Roles
Summary
Chapter 5: Parameterizing Playbooks
Parameterizing Your WordPress Role
Customizing the WordPress Domain Name
Variable Locations
Role Defaults (Commonly Used)
Inventory Variables
Inventory Group Variables
Inventory Host Variables
Playbook Group Variables (Commonly Used)
Playbook Host Variables (Commonly Used)
Host Facts
Registered Variables (Commonly Used)
Set Facts Playbook VariablesPlaybook vars_prompt
Playbook vars_files
Role Variables (Commonly Used)
Block Variables
Task Variables
Extra Variables
Gathering Facts
Disabling Facts
Facts.d
Fact Caching
hostvars
Working with Variables
Ansible's Variable Philosophy
Summary
Chapter 6: Writing Your Own Modules
About Ansible Modules
ansible-modules-core
ansible-modules-extras
Environment Setup
Writing a Module Using Bash
Writing a Module Using Python
Writing in Any Other Programming Language
Providing Facts via a Module
Summary
Chapter 7: Orchestrating AWS
Creating an AWS Account IAM UsersKey Pairs
Security Groups
Prerequisites
Creating an Instance
Deleting Instances
Managing Instance Cardinality
Provisioning Your New Instance
Running Your WordPress Playbook
Dynamic Inventories
Creating a VPC
Summary
Chapter 8: Testing with Test Kitchen
About Test Kitchen
Installing Test Kitchen
An Introduction to ServerSpec
Writing Your First Test
More Lightweight Tests
Testing Your WordPress Role
Summary
Chapter 9: Advanced Ansible
Ansible: The Command-Line Tool
Querying the Environment
ansible-vault
ansible-galaxy
ansible-galaxy init
ansible-galaxy install