演示：在 Vagrant 上设置 Puppet 外部节点分类器

执行 vagrant up 条款：

$ vagrant provision

==> default: Running provisioner: shell...

==> default: Running: inline script

==> default: Running provisioner: puppet...

==> default: Running Puppet with init.pp...

==> default: Notice: Scope(Class[Base]): I'm included!

==> default: Notice: Compiled catalog for localhost in environment production in 0.10 seconds

==> default: Info: