debug.yml

- name: dump all
  hosts: all
  gather_facts: no
 
  tasks:
    - name: Print some debug information 
      vars: 
        msg: |
          Module Variables ("vars"):
          --------------------------------
          {{ vars | to_nice_json }} 
          
#          Environment Variables ("environment"):
#          --------------------------------
#          {{ environment | to_nice_json }} 
#          
#          GROUP NAMES Variables ("group_names"):
#          --------------------------------
#          {{ group_names | to_nice_json }}
#          
#          GROUPS Variables ("groups"):
#          --------------------------------
#          {{ groups | to_nice_json }}
#          
#          HOST Variables ("hostvars"):
#          --------------------------------
#          {{ hostvars | to_nice_json }} 
    
      debug: 
        msg: "{{ msg.split('\n') }}"       
      tags: debug_info