A template Playbook

installNFS.yml

+--- 
+- 
+  hosts: openvpn-servers
+  remote_user: ec2-user
+  roles:
+    - easy-rsa-common
+    - easy-rsa-CA
+    - easy-rsa-certificate
+    - OpenVPN-Server 
+    - nfs-common
+    - nfs-server
+  sudo: true
+  vars: 
+    ansible_ssh_private_key_file: "/home/sgeadmin/.ssh/shahaan.pem"
+    ansible_ssh_user: "ec2-user"
+    nfs_network: "10.8.0.0/16"
+    x509_ca_server: vm-118-138-240-224.erc.monash.edu.au
+- 
+  hosts: openvpn-clients
+  remote_user: ec2-user
+  roles:
+    - easy-rsa-common
+    - easy-rsa-certificate 
+    - OpenVPN-Client
+    - nfs-common
+    - nfs-client
+  sudo: true
+  vars: 
+    ansible_ssh_private_key_file: "/home/sgeadmin/.ssh/shahaan.pem"
+    ansible_ssh_user: "ec2-user"
+    x509_ca_server: vm-118-138-240-224.erc.monash.edu.au
+    openvpn_servers: ['vm-118-138-240-224.erc.monash.edu.au']
+    server: vm-118-138-240-224.erc.monash.edu.au
+    nfs_server: "10.8.0.1"