Fixed variables

roles/OpenVPN-Server/tasks/copyCerts.yml

---- 
-- name: "Copying CA and server certificate"
-  shell: "cp -pvf /etc/easy-rsa/2.0/keys/ca.crt /etc/openvpn/; cp -pvf /etc/easy-rsa/2.0/keys/{{ inventory_hostname }}.crt /etc/openvpn/; cp -pvf /etc/easy-rsa/2.0/keys/{{ inventory_hostname }}.key /etc/openvpn/"
-  args:
-    chdir: /etc/openvpn/
-    creates: ca.crt
-- name: "Create symlink for Diffie Hellman"
-  file: "src=/etc/easy-rsa/2.0/keys/dh512.pem dest=/etc/openvpn/dh512.pem state=link"
-- name: "Copying server.conf to the OpenVPN server"
-  template: src={{ item }} dest=/etc/openvpn/server.conf
-  with_first_found:
-    - files:
-        - server.conf.j2
-        - userConfig
-        - defaultConfig
-      paths:
-        - ../templates/
-        - ../files/
-  notify: restart openvpn
-
-- name: "Start OpenVPN"
-  service: name=openvpn state=started
-  sudo: true

roles/OpenVPN-Server/vars/main.yml

----
-x509_csr_args: "--server"
-x509_cacert_file: "/etc/ssl/certs/ca.crt"
-x509_key_file: "/etc/openvpn/private/server.key"
-x509_cert_file: "/etc/openvpn/certs/server.crt"
-x509_common_name: "{{ ansible_fqdn }}_OpenVPN_Server"
-dhparms_file: "/etc/openvpn/private/dh.pem"

roles/nfs-client/defaults/main.yml

 ---
-nfsClientSrcDir: ['/mnt']
-nfsClientDestDir: ['/mnt/test-nfs']
+nfsClientSrcDir: '/mnt'
+nfsClientDestDir: '/mnt/test-nfs'
 nfs_server: 'nfsserver.edu' 
 nfs_type: 'nfs'
 nfs_options: 'vers=3,noatime,rsize=16384,wsize=16384,hard,intr,tcp,nolock'