Puppet Facter Custom Facts

current_users.rb

require 'facter'
Facter.add(:current_users) do
  setcode do
    output = Facter::Util::Resolution.exec(%q{/usr/bin/w -h | grep console | /usr/bin/awk -F" " '{ print $1 }'})
    output.gsub(/\n/,'::').split('::').uniq.join(',') # Convert the individual line output to a comma list w/ unique values
  end
end

user_groups.rb

require 'facter'
Facter.add(:user_groups) do
  setcode do
    current_user = Facter.value(:current_users)
    Facter::Util::Resolution.exec(%Q{/usr/bin/id -Gn #{current_users} | sed -e 's/\ /,/g'})
  end
end