What is Chef and cookbook?

What is Chef and cookbook?

Cookbooks are fundamental working units of Chef, which consists of all the details related to working units, having the capability to modify configuration and the state of any system configured as a node on Chef infrastructure. Cookbooks contain values about the desired state of node.

What are Chef cookbooks used for?

Cookbook is the basic building block of chef configuration management tool. A cookbook contains the complete set of resources required to configure an application or certain thing on a node(a node is a server that has chef agent running, which will pull configurations applicable from chef server).

What is AWS Chef cookbook?

Chef recipes are specialized Ruby applications that AWS OpsWorks Stacks uses to perform tasks on instances such as installing packages or creating configuration files. Recipes are packaged in a cookbook, which can contain multiple recipes and related files such as templates for configuration files.

How do I create a recipe in Chef cookbook?

Create the Cookbook

1. From your workstation, move to your chef-repo/cookbooks directory: cd chef-repo/cookbooks.
2. Create the cookbook. In this instance the cookbook is titled lamp_stack : chef generate cookbook lamp_stack.
3. Move to your cookbook’s newly-created directory: cd lamp_stack.

What are chef recipes?

Recipes. Recipes are written in Ruby and contain information about everything needing to be run, changed, or created on a node. Recipes work as a collection of resources determining the configuration or policy of a node (with resources being a configuration element of the recipe).

What is the difference between recipe and cookbook?

As nouns the difference between recipe and cookbook is that recipe is (medicine|archaic) a formula for preparing or using a medicine; a prescription; also, a medicine prepared from such instructions while cookbook is a book or an encyclopedia of recipes and cookery tips.

What is the difference between chef and Ansible?

Managing the Tools: With Chef, the client pulls configurations from the server. Ansible uses YAML (Yet Another Markup Language) to manage configurations, a language that’s similar to English, and the server pushes the configurations to the individual nodes. The conclusion is, Ansible is easier to manage.

What are AWS recipes?

Recipes are Ruby applications that define a system’s configuration. They install packages, create configuration files from templates, execute shell commands, create files and directories, and so on.

What is Opswork?

Automate Operations with Chef and Puppet AWS OpsWorks is a configuration management service that provides managed instances of Chef and Puppet. OpsWorks lets you use Chef and Puppet to automate how servers are configured, deployed, and managed across your Amazon EC2 instances or on-premises compute environments.

What and why are chef cookbooks and recipes used in chef?

A cookbook is the fundamental unit of configuration and policy distribution in Chef Infra. A cookbook defines a scenario and contains everything that is required to support that scenario: Recipes that specify which Chef Infra built-in resources to use, as well as the order in which they are to be applied.

How do I run a Chef Cookbook locally?

Developing recipes with local mode

1. Create a cookbook named my_cookbook by running the following command: mma@laptop:~/chef-repo $ chef generate cookbook cookbooks/my_cookbook.
2. Edit the default recipe of my_cookbook so that it creates a temporary file: mma@laptop:~/chef-repo $ subl cookbooks/my_cookbook/recipes/default.rb.

What do you need to know about cookbook in chef?

Cookbook is the basic building block of chef configuration management tool. A cookbook contains the complete set of resources required to configure an application or certain thing on a node(a node is a server that has chef agent running, which will pull configurations applicable from chef server).

What does a cookbook do in Ruby chef?

Cookbook contains configuration and policy which are created using Ruby as its reference language. Cookbook is created with desired scenario in mind and contains required components to support the final scenario of a system. \\pbox {12cm} {Collection of resources in a single file is called recipes.

How is a recipe defined in a cookbook?

A cookbook is comprised of recipes and other optional components as files or directories. A recipe is the most fundamental configuration element within the organization. A recipe: An attribute can be defined in a cookbook (or a recipe) and then used to override the default settings on a node.

Which is a fundamental working unit of chef?

Chef – Cookbooks. Cookbooks are fundamental working units of Chef, which consists of all the details related to working units, having the capability to modify configuration and the state of any system configured as a node on Chef infrastructure.