Configure puppet for using hiera as configuration source.

app-server.yaml

#node_type/app-server.yaml
---
classes:
  - java
  - jboss
  - apache
  - vms_deploy

# Java directives (The node definitin overrides this)
java::install_version:
  java7:
    java_version : 7
    java_ensure  : "present"
    default : true
  java8:
    java_version : 8
    java_ensure  : "present"
    default : false

default_node_manifest_puppet.pp

Exec { path => [ "/bin/", "/sbin/" , "/usr/bin/", "/usr/sbin/" ] }

node default {
		$node_type = hiera('node_type','basic_node')
		hiera_include('classes')
}

hiera.yaml

#hiera.yaml
---
:backends:
  - yaml
:yaml:
  :datadir: /etc/puppet/hieradata
:hierarchy:
  - "node/%{::fqdn}"
  - "cloud/%{::ec2_services_domain}"
  - "role/%{::role}"
  - "node_type/%{node_type}"
  - common

node1.xxx.com.yaml

#node/app1-euwest.dataloy.com.yaml
---
node_type: app-server