Introduction to DevOps – Positioning Chef in a CI/CD pipeline

DevOps Culture
DevOps Tools overview
Continuous Integration
Continuous Delivery
Continuous Deployment
Delivery vs. Deployment

What is Chef?

What is Chef?
Why use Chef?

Chef Core Components

Chef Architecture
ChefDK vs. Chef Workstation
Overview of Chef Server, Nodes and Supermarket

Hands-on Lab: Installing Chef Workstation and running the first “Hello world!” recipe Chef Core Concepts

Resources
Recipes
Cookbooks
Run Lists
Configuration Drift

Hands-on Labs:

Creating simple recipes and making use of the “file” resource to create specific files, using the “user” and “group” resources to create a new user.
Generating cookbooks and using the “package” and “service” resources to install system packages and activating services. Using the “bash” resource to execute arbitrary code. Conditioning with “guards”.

Ohai

Ohai Overview
Ohai Configuration

Hands-on Labs: Using the Ohai plugin to acquire system attributes Chef Server

Chef Server Overview
Chef Server Components
Dimensioning of the Chef Server
Installation of the Chef Server
The chef-client run

Hands-on Lab:

Installing and configuring Chef Server
Creating a local Chef repository (chef repo) and “talking” to the Chef Server

Knife & Bootstrapping a node

What is Knife
Bootstrapping a node with knife
Knife common options

Hands-on Labs: Bootstrapping a node with the “Knife” tool Cookbooks & Run-lists in the context of a Chef Server

Creating and applying a run-list
Good practices

Hands-on Labs: Applying a run-list to a bootstrapped node and executing Chef remotely (running the chef-client). Creating a basic “web-server” on the remote node. Managing a remote node. Working with Templates

How to work with Templates – examples

Hands-on Labs: Using templates to generate dynamically populated files. Attributes

Attributes Overview
Types of Attributes
How chef-client uses attributes

Hands-on Labs: Using attributes and templates to generate a “sudoers” file as well as a “hosts” file Using Libraries

Libraries overview
Libraries use cases

Hands-on Labs: Creating simple libraries and wrapper functions. Using custom code to determine OS family. The Chef Test Kitchen – a safe space for trial and error

What is Test Kitchen?
Kitchen Configuration
Kitchen use cases

Hands-on Labs: Creating a test environment inside a Docker container with Test Kitchen Kitchen “InSpec”

What is InSpec?
InSpec profiles
Making sure your recipes hit home

Hands-on Labs: Validating your test environment and recipes with Kitchen InSpec

Workshop Ansible Fundamentals