/etc/ansible/ansible.cfg
[defaults]
inventory      = /etc/ansible/hosts
#library        = /usr/share/my_modules/
remote_tmp     = $HOME/.ansible/tmp
local_tmp      = $HOME/.ansible/tmp
#forks          = 5
#poll_interval  = 15
#sudo_user      = root
#ask_sudo_pass = True
ask_pass      = True
#transport      = smart
remote_port    = 22
remote_user = root

/etc/ansible/hosts
#[dev-cassandra]
#10.32.6.106
#10.32.6.107

#[ops-centos-7]
#10.32.15.112

#[ams-app]
#10.32.6.138

#[ams-db]
#10.32.6.139

#[ams-web]
#10.32.6.140

#[dev-ws]
#10.32.6.[1:50]

#[telco-ws]
#10.32.9.[1:21]

#[ga-ws]
#10.32.11.[1:6]

[inside]
10.32.100.1
10.32.7.253
10.32.5.69

[intranet]
10.32.16.185
10.32.16.182
10.32.16.232
10.32.15.190
10.32.16.249
10.32.16.237

[me]
10.32.5.4

;;execute
 ansible -m ping all --extra-vars "ansible_ssh_user=root ansible_ssh_pass=@1rstSTATION!"
 ansible-playbook playbook.yml --extra-vars "ansible_ssh_user=root ansible_ssh_pass=password"
 ansible -m command -a "df -h" me --extra-vars "ansible_ssh_user=ardi ansible_ssh_pass=pol8k09"
 ansible -m shell -a 'free -m' -k me

;;Alternatively, if you run the playbook with the -k option, ansible will prompt you for the ssh password


;;playbooks