ANSIBLE HOSTGROUPS (Def location /etc/ansible/hosts):
deploy1 => ANSIBLE host group for BLUE Side of App servers
deploy2 => ANSIBLE host group for GREEN Side of App servers
webservers => Ansible group for APACHE webservers

Variables (Include under nag_apa_bal/vars/main.yml):
nagios => Nagios server HOSTNAME
nagios_srv => Service name of nagios monitoring the application server
war_src => patch of source war file to be deployed
war_dst => destination path on tomcat server

ansible-playbook deploy.yml