-

Using /etc/ansible/ansible.cfg as config file
1 plays in foo.yml
merp
ESTABLISH LOCAL CONNECTION FOR USER: mordred
localhost EXEC (umask 22 && mkdir -p "`echo $HOME/.ansible/tmp/ansible-tmp-1452724533.18-124118197652429`" && echo "`echo $HOME/.ansible/tmp/ansible-tmp-1452724533.18-124118197652429`")
localhost PUT /tmp/tmpHQuvCb TO /home/mordred/.ansible/tmp/ansible-tmp-1452724533.18-124118197652429/setup
localhost EXEC LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 /usr/bin/python /home/mordred/.ansible/tmp/ansible-tmp-1452724533.18-124118197652429/setup; rm -rf "/home/mordred/.ansible/tmp/ansible-tmp-1452724533.18-124118197652429/" > /dev/null 2>&1
ESTABLISH LOCAL CONNECTION FOR USER: mordred
localhost EXEC (umask 22 && mkdir -p "`echo $HOME/.ansible/tmp/ansible-tmp-1452724534.31-235275040048511`" && echo "`echo $HOME/.ansible/tmp/ansible-tmp-1452724534.31-235275040048511`")
localhost PUT /tmp/tmpj6d9Qa TO /home/mordred/.ansible/tmp/ansible-tmp-1452724534.31-235275040048511/command
localhost EXEC LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 /usr/bin/python /home/mordred/.ansible/tmp/ansible-tmp-1452724534.31-235275040048511/command; rm -rf "/home/mordred/.ansible/tmp/ansible-tmp-1452724534.31-235275040048511/" > /dev/null 2>&1
Jan 13 2016 17:35:34 - OK - omitted


Jan 13 2016 17:35:34 - OK - {"module_name": "command", "module_args": {"_raw_params": "echo Hello world", "_uses_shell": true}} => {"cmd": "echo Hello world", "end": "2016-01-13 17:35:34.353752", "_ansible_no_log": false, "stdout": "Hello world", "changed": true, "rc": 0, "start": "2016-01-13 17:35:34.348880", "stderr": "", "delta": "0:00:00.004872", "stdout_lines": ["Hello world"], "warnings": []} 



PLAY RECAP *********************************************************************
localhost                  : ok=2    changed=1    unreachable=0    failed=0   

foo.yml

---
- hosts: localhost
  tasks:
  - {name: test, shell: echo Hello world}

hosts

localhost ansible_connection=local