facter

gistfile1.rb

Facter.add("dbservers") do
  setcode do
    hosts = nil
    if File.exists?('/etc/bookings/db.conf')
      hosts = File.readlines('/etc/bookings/db.conf').collect do |line|
        next if ! line.match(/dbi:mysql:/)
        match = line.match(/host=([^;]+);/)
        match[1] if match
      end.compact.join(',')
    end
    hosts
  end
end