Chef – Infra Automation

Course Objective

T
hrough this course, you will learn:

The Chef – Infra Automation Course – is both the name of a company and the name of a configuration management tool written in Ruby and Erlang.

This tool uses a pure-Ruby, domain-specific language (DSL) for writing system configuration “recipes”.

It is used to streamline the task of configuring and maintaining a company’s servers and can integrate with cloud-based platforms such as

Amazon EC2
Google Cloud Platform
OpenStack
SoftLayer
Microsoft Azure
Rackspace

to automatically provide and configure new machines. Additionally, it contains solutions for both small and large-scale systems.

Introduction To Chef

Introduction To DevOps
What is Chef?
Common Chef Terminology
Chef Server
Chef Workstation
Chef Workstation – Looking At Security And Configs
Chef-Repo
Chef-Client
Servers And Nodes
Chef Configuration Concepts

Building The Web Server Cookbook

Getting Set Up
Starting The Apache Recipe
Adding Attributes, Recipe, And A Template
Attribute Precedence
Adding HTML Templates Dynamically With Chef
Recipe Includes And Dependencies
Copying Config Files To The Node
Executing Linux Commands On The Node
Adding Platform Support To The Cookbook
Adding The Local Chef-Repo To Github

Node Object And Search

What Is The Node Object?
Search Concepts
Searching Node Attributes Using Knife

Data-Bags

What Are Data Bags?
Creating User And Sudo Group Data Bags
Building A Recipe To Deploy Local User Accounts From Data Bags

Chef Environments

What Are Environments And Why Do They Matter?
Creating And Configuring Environments
Creating A Second Version Of Our WebServer Cookbook
Deploying To Different Environments
Viewing And Deleting Environments With Knife

Roles

What Are Roles?
Creating A Web Server Role
Building A Simple MySQL Cookbook For A Role
Creating A DB Server Role
Creating A Base Role

Extending Chef

Knife Plugins
Chef Supermarket And Chef-Client Cookbook

Deploying Nodes In Production

UnAttended Node Bootstrapping
Chef-Client Cookbook (Security And Automated Runs)

Using Open Source Chef Server

OpenSource Chef
Configuring The Workstation And Bootstrapping A Node
Closing: Bootstrapping Nodes And Deploying Cookbooks