can't load gem from inside library during build

gistfile1.txt

recipes/default.rb:

g = gem_package "fog" do
  action :nothing
end

g.run_action(:install)

require 'fog'



The error:

================================================================================

Recipe Compile Error in /tmp/vagrant-chef-1/chef-solo-1/cookbooks/ec2-dns-server/libraries/Ec2DnsServer.rb

================================================================================




LoadError

---------

cannot load such file -- fog

Same issue!