Clean up chef server on vagrant destroy

gistfile1.rb

# Customize node name

vm_name = "vagrant-#{name}-#{ENV['USER']}"
config.vm.host_name = vm_name

Vagrantfile

# Borrowed from https://coderwall.com/p/sikrdw

module Vagrant
  module Provisioners
    class Base
      require 'chef'
      require 'chef/config'
      require 'chef/knife'
    end

    class ChefClient
      ::Chef::Config.from_file(File.join(File.dirname(__FILE__), '.chef', 'knife.rb'))

      def cleanup
        node = env[:vm].config.vm.host_name

        env[:ui].info "Attempting to clean up client '#{node}' on chef server."
        begin
          ::Chef::REST.new(::Chef::Config[:chef_server_url]).delete_rest("clients/#{node}")
        rescue Net::HTTPServerException => e
          if e.message == '404 "Not Found"'
            env[:ui].info "Client '#{node}' not found."
          else
            env[:ui].error "An error occured. You will have to remove the client manually."
          end
        rescue Exception => e
            env[:ui].error "An error occured. You will have to remove the client manually."
        else
          env[:ui].info "Client '#{node}' successfully removed from chef server."
        end

        env[:ui].info "Attempting to clean up node '#{node}' on chef server."
        begin
          ::Chef::REST.new(::Chef::Config[:chef_server_url]).delete_rest("nodes/#{node}")
        rescue Net::HTTPServerException => e
          if e.message == '404 "Not Found"'
            env[:ui].info "Node '#{node}' not found."
          else
            env[:ui].error "An error occured. You will have to remove the node manually."
          end
        rescue Exception => e
            env[:ui].error "An error occured. You will have to remove the node manually."
        else
          env[:ui].info "Node '#{node}' successfully removed from chef server."
        end
      end
    end
  end
end