How to set up rabbitmq local queues with ansible? - rabbitmq

Question

I am trying to automate the deployment of a rabbitmq processing chain with Ansible.
The rabbitmq user setup below works perfectly
rabbitmq_user:
user: admin
password: supersecret
read_priv: .*
write_priv: .*
configure_priv: .*
But the queue setup below crashes
rabbitmq_queue:
name: feedfiles
login_host: 127.0.0.1
login_user: admin
login_password: admin
login_port: 5672
the crash log looks like this:
{"changed": false, "module_stderr": "Shared connection to 127.0.0.1 closed.
", "module_stdout": "
Traceback (most recent call last):
File "/tmp/ansible_i8T24e/ansible_module_rabbitmq_queue.py", line 285, in <module>
main()
File "/tmp/ansible_i8T24e/ansible_module_rabbitmq_queue.py", line 178, in main
r = requests.get(url, auth=(module.params['login_user'], module.params['login_password']))
File "/usr/lib/python2.7/dist-packages/requests/api.py", line 70, in get
return request('get', url, params=params, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/api.py", line 56, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 488, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 609, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/adapters.py", line 487,in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='127.0.0.1', port=15672): Max retries exceeded with url: /api/queues/%2F/feedfiles (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x7fcfdaf8e7d0>: Failed to establish a new connection: [Errno 111] Connection refused',))
", "msg": "MODULE FAILURE", "rc": 1}
I have voluntarily removed the guest/guest default setup, which is why I am using the admin credentials
Any idea where the issue could come from?
EDIT:
setting the admin user tag "administrator" doesn't help