ansible - example of passing registered var containing json to custom module

output

PLAY [foo] ******************************************************************** 

GATHERING FACTS *************************************************************** 
ok: [localhost]

TASK: [raw stat /tmp/foo] ***************************************************** 
ok: [localhost -> 127.0.0.1]

TASK: [test_lib ] ************************************************************* 
ok: [localhost]

TASK: [debug var=output] ****************************************************** 
ok: [localhost] => {
    "output": {
        "changed": false,
        "invocation": {
            "module_args": "",
            "module_name": "test_lib"
        },
        "jsonstuff": true
    }
}

play.yml

- hosts: foo
  tasks:
    - local_action: raw stat /tmp/foo
      register: foo

    - test_lib:
        command: 'foo'
        variable: "{{ foo }}"
      register: output

    - debug: var=output

test_lib.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

def do_something_funky(module):

  #for key,value in module.params['variable']['invocation'].keys():
    # do something here

  if 'stat' in module.params['variable']['invocation']['module_args']:
    return True
  else:
    return False

def main():
    module = AnsibleModule(
        argument_spec = dict(
            command  = dict(default=None, required=True),
            variable = dict(default=None, required=True),
        )
    )
    results = do_something_funky(module)
    module.exit_json(changed=False, jsonstuff=results)

from ansible.module_utils.basic import *
main()