Introduction
- Why configuration management is a critical part of any DevOps team
- Strengths and weaknesses of Ansible
- Web scale
- How Ansible is different from other CM tools like Chef and Puppet
- Getting started with Ansible terminology
- Ansible and YML for describing your environments
Getting set up
- Some prerequisites
- Getting set up on a Mac
- Getting set up on Linux
- Getting set up on Windows
- Testing with Vagrant
- Using SSH keys to connect to your target nodes
Inventory
- Basic inventory example
- Hosts and groups
Ansible Playbooks
- A useful directory structure to keep your Ansible code organized
- Using git to manage your Ansible code
- A first look at a playbook to install and configure NTP time synchronization
Provisioners
- Connecting Ansible to your preferred cloud provider (we’ll use DigitalOcean)
- Creating a new server instance
- Dynamic inventory
- Dynamic inventory on Amazon AWS
- Mixing static and dynamic inventory
Highly available infrastructure with Ansible
- Spec up our inventory and host groups
- Using roles
- Configure our database backend
- Configure our web server front-end
- Configure a replicated filesystem
- Configure centralized logging
Application deployments with Ansible
- Deploying our app from SCM to our local Vagrant environment
- How we would deploy that code to production once tested by QA
- Updating our application
- How Ansible compares to alternatives such as Capistrano
Docker containers with Ansible
- Brief intro to Docker
- The synergy of containerization and automation
- Using Ansible to build Docker containers
- MySQL containers
- Web application containers
- Data storage containers
Testing and continuous integration
- Unit, integration and functional testing
- Automating your testing using GitHub and Travis CI
Preparing for Ansible back at work
- Real-world use case: Using Ansible to automate CM and application pipelines through continuous integration, release, deployment and operations
- We’ll review your own environments and processes and evaluate how to best integrate Ansible’s configuration management for your own needs
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