Chef

Chef script development

Scripting

• Dynamically set Chef resource attributes
• Generate a GUID in Chef with Ruby
• Chef custom resource is using the same property name as the called resource
• Create the AWS credentials file from a Chef Data Bag
• Make decisions in your Chef recipe based on the version of the Chef Client
• Calling a resource in the Chef recipe
• Is the Chef aws_s3_file resource idempotent?

Attributes

• Chef Attributes

Keeping secrets in Data Bags

• Chef Data Bags
• Add an RSA private key to a Chef Data Bag

Chef script testing

• Chef script testing with Chef Test Kitchen
• Test Chef cookbooks locally on a virtual workstation
• Integration testing with InSpec

Debugging Chef Cookbooks

• Chef file locations

Cookbook dependency

• Generate the Chef cookbook dependency diagram

Accessing the Chef server with Knife

• Knife commands
• Search the Chef server

Chef node management

• Bootstrap Chef nodes to connect them to the Chef server

Chef versions

• Migrating from Chef Client version 13 to 15
• Migrating from Chef Client version 12 to 13

Chef server

• Switching to a new Chef server

Chef Troubleshooting

• Chef Troubleshooting