Ansible intro + tips and tricks

What does Ansible do

Installation - RTFM

Basic usage

• Inventory
• Auth
• Ping
• Config
  • Ansible will use the configuration options found on the first file that it finds from the following list:
    • ANSIBLE_CONFIG: an environment variable pointing to a config file
    • ansible.cfg: in the current directory
    • .ansible.cfg: in the home directory
    • /etc/ansible/ansible.cfg
  • Interesting configs
    • inventory
    • remote_user
    • ask_sudo_pass
    • log_path
• Ad-hoc commands
  • ping
  • setup
  • gather_mac example script
  • authorized_key
  • ansible-console
• Playbooks
  • YAML syntax
  • shell
  • human_log callback
  • run.sh example script
• Commonly used modules
  • apt and yum
  • service
  • copy
  • template
  • shell
• Variables
  • where to define
    • inventory
    • playbook
    • roles
  • how to use (Jinja2)
  • gathered facts
  • hostvars
  • groups
• Roles
  • tasks
  • files
  • handlers
  • templates
  • default
• Example playbooks and roles
  • wordpress-nginx_rhel7 aka Hello World