Puppet: roundcube module notifies apache

apache_manifests_init.pp

class apache {
    include apache::packages
    include apache::service
}

apache_manifests_packages.pp

class apache::packages {
    package { "apache2-mpm-prefork":
        ensure => present,
    }
}

apache_manifests_service.pp

class apache::service {
    require apache::packages

    service { "apache2":
        ensure => running,
    }
}

roundcube_manifests_init.pp

class roundcube {
    
    vcsrepo { "/usr/local/share/roundcube":
      # ...
    }

    # ...

    include apache::service

    file { "/etc/roundcube/debian-db.php":
        content => template("roundcube/debian-db.php"),
        owner => "root",
        group => "www-data",
        mode => "0640",
        notify => Class["apache::service"]
    }
}