---


- name: Output messages
  ansible.builtin.debug:
    msg: I always display!

- name: Pretty print messages
  vars:
    install_method: package
    supported_install_methods: ['package']
  ansible.builtin.debug:
    msg: >-
      {{
        dict([
          [ 'install_method', install_method ],
          [ 'install_method in supported_install_methods', install_method in supported_install_methods ],
        ])
      }}

- name: Output variables' values
  vars:
    install_method: package
  ansible.builtin.debug:
    var: install_method

- name: Print all available variables
  tags: print_all
  ansible.builtin.debug:
    var: vars  # magic variable

- name: Output messages depending on the verbosity level
  ansible.builtin.debug:
    msg: I only display with 'ansible-playbook -vvv' or with more 'v's
    verbosity: 3

- name: Print the run's shell environment
  ansible.builtin.shell: printenv | sort

- name: Start the debugger on failure
  tags:
    - never  # avoid execution unless explicitly requested with other tags
    - debugger
  # print all variables at this point => p task_vars
  # continue => c
  # abort and quit => q
  debugger: on_failed
  ansible.builtin.fail:
    msg: Manually enforced failure