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{{tag>ansible}}

====== Ansible debug all variables ======

Add this to playbook and comment any roles mentioned there.

<code>
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
</code>

====== Tested on ======
  * ansible 2.9.6

====== See also ======
  * [[wiki:ansible_debug_one_variable|Ansible debug one variable]]
  * [[wiki:ansible_troubleshooting|ansible troubleshooting]]
  * [[wiki:ansible_playbook_examples|ansible playbook examples]]
====== References ======
  * https://gryzli.info/2017/12/21/ansible-debug-print-variables/