# test vars in playbook
# register variable into {{ register }}
- hosts: all
  remote_user: root
  become: True

  vars:
    key1: value1
    key2: value2
 # vars_files:
  #  - xxx.yml


  tasks:
  - name: show go env
    command: echo {{ key1 }}
#  register console to go_env
    register: key1_value
    notify: show value

# handlers will execute after all tasks pass
# console {{ go_env }}
  handlers:
    - name: show value
      debug: msg="The variable is {{ key1_value }}"