04. Conditionals

Conditionals Register

Set an Ansible variable to the output of the module

- name: How long has the server been up
  shell: uptime
  register: sys_uptime

Built-in Ansible Variables

• To see every built-in variable for the system you are using (every host is different) (change localhost to the host you are checking):
  $ ansible -m setup localhost
• Some common ones:
  • ansible_hostname
  • ansible_all_ipv4_addresses
  • ansible_architecture
  • ansible_kernel