Unable to type cast {"ubuntu-main"=>{"location"=>"http://archive.ubuntu.com/ubuntu/", "release"=>"trusty", "repos"=>"main restricted universe multiverse", "include_src"=>"true", "include_deb"=>"true"}, "ubuntu-security"=>{"location"=>"http://archive.ubuntu.com/ubuntu/", "release"=>"trusty-security", "repos"=>"main restricted universe multiverse", "include_src"=>"true", "include_deb"=>"true"}, "ubuntu-updates"=>{"location"=>"http://archive.ubuntu.com/ubuntu/", "release"=>"trusty-updates", "repos"=>"main restricted universe multiverse", "include_src"=>"true", "include_deb"=>"true"}, "puppetlabs"=>{"location"=>"http://apt.puppetlabs.com", "repos"=>"main", "key"=>"1054B7A24BD6EC30", "key_server"=>"pgp.mit.edu", "include_deb"=>"true", "include_src"=>"false"}, "foreman"=>{"location"=>"http://deb.theforeman.org/", "release"=>"trusty", "repos"=>"1.7", "key_source"=>"http://deb.theforeman.org/pubkey.gpg", "include_deb"=>"true", "include_src"=>"false"}, "foreman-plugins"=>{"location"=>"http://deb.theforeman.org/", "release"=>"plugins", "repos"=>"1.7", "key_source"=>"http://deb.theforeman.org/pubkey.gpg", "include_deb"=>"true", "include_src"=>"false"}, "docker"=>{"location"=>"https://get.docker.com/ubuntu", "release"=>"docker", "repos"=>"main", "key"=>"D8576A8BA88D21E9", "key_server"=>"keyserver.ubuntu.com", "include_deb"=>"true", "include_src"=>"false"}} to yaml