Puppet Class Relationship Using New Relationship Syntax

gistfile1.txt

manifests/site.pp:
import "classes/*.pp"
import "nodes/*.pp"

manifests/classes/base.pp
class base {
    $role = regsubst($ec2_userdata, '.*role=(.*).*', '\1')
    notify {"the role is: ${role}": }
    Class['baseapps']<-Class['admin_users']

    case $operatingsystem {
            "Fedora", "CentOS", "RedHat": { $osver = $lsbdistrelease }
    }

    case $operatingsystem {
            "Fedora", "CentOS", "RedHat": {
                include baseapps, admin_users
            }
    }
   
    include "roles::${role}"

modules/baseapps/manifests/init.pp
class baseapps {
    Class['baseapps::install']->Class['baseapps::config']->Class['baseapps::service']

    include baseapps::install, baseapps::config
}

modules/baseapps/manifests/install.pp
class baseapps::install {
    include centos_repo

    include ntp, postfix, ssh, sudo, puppet, yum_updatesd, pam
}

modules/baseapps/manifests/config.pp
class baseapps::config {
    # configure the hosts file
    include hosts

    # configure the profile.d directory
    include profile
}

modules/centos_repo/manifests/service.pp
class baseapps::service {
    service { portmap:
            name => "portmap",
            enable => false,
            ensure => stopped,
    }
}

modules/centos_repo/manifests/init.pp
class centos_repo {
    Class['baseapps::service']->Class['centos_repo::config']
    include centos_repo::config
}

modules/centos_repo/manifests/config.pp
class centos_repo::config {
    file { "centos_repo":
            name => "/etc/yum.repos.d/CentOS-Base.repo",
            source => [ "puppet:///modules/centos_repo/${base::role}-CentOS-Base.repo", "puppet:///modules/centos_repo/CentOS-Base.repo" ],
            mode => 644,
            owner => root,
            group => root,
    }

    file { "/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5":
            source => "puppet:///modules/centos_repo/RPM-GPG-KEY-CentOS-5",
            mode => 644,
            owner => root,
            group => root,
            require => File["centos_repo"]
    }
}

class roles::web {
    Class['baseapps::service']->Class['roles::web']
    Class['centos_repo::config']->Class['utils::web']