ANSIBLE Playbook:

• Playbook in ansible are written in YAML format
• It is human readable data serialization language. It is commonly used for configuration files
• Playbook is like a file where you write codes consist of vars, tasks, handlers, files, templates and roles
• Each playbook is composed of one or more “modules” in a list module is a collection of configuration files
• Playbooks are divided into many sections like -
  • Target section - Defines the host against which playbooks task has to be executed {target - group/node/all}
  • Variable section - define variables
  • Task sections - list of all modules that we need to run, in an order

YAML→

YAML(Yet Another Markup Language)

• For ansible, nearly every YAML files starts with a list

• Each item in the list is a list of key-value paris commonly called a dictionary.

• All YAML files have to begin with “_ _ _” and with “. . .”

• all members of a list lines must begin with same indentation level starting with “_” for e.g.→

  playbook.yml

  • • • #A list of fruits

  Fruists:

  • Mango

  • Strawberry

  • banana

  • Grapes

  • apple

• A dictinonary is represented in a simple key: value form

  for e.g,

  • • • #Details of customer

  customer:

  name: Rajput

  job: Trainer

  Skills: Ansible

  Exp: 8 Years

• Extension for playbook files is .yml

  Note: There should be space between : and value

Lab: