validations for nginx::resource::location
validations for nginx::resource::vhost
validations for nginx::resource::mailhost
validations for nginx::resource::upstream
warn on inclusion of nginx::config
warn on inclusion of nginx::package
warn on inclusion of nginx::params
warn on inclusion of nginx::service
warn on inclusion of nginx::package::debian
warn on inclusion of nginx::package::redhat
warn on inclusion of nginx::package::suse