The scope of this playbook is to Install and Setup Tomcat V-8.X.X on Centos/7 using openjdk-1.8-devel from yum repository.

Edit the group_vars/tomcat file to Declare the required parameters first.

vim group_vars/tomcat

Have you configured a ssh keypair across you master and hosts for a user with sudo on nodes where this playbook will run?

The remote user on the node will need to become sudo in order for the tasks invoke successfully.

Have you modified the site.yml in present working dir to perform as a specific user and to which environments (hosts) to run the playbook?

This will dry run your playbook against the Hosts for Syntax checking

ansible-playbook site.yml -C 

Check of tomcat.service status is loaded in systemd

systemctl status tomcat.service

Check if tomcat (java) is Listening on 8080 using Netstat.

netstat -anp | grep 8080