gistfile1.rb

# LSF Information
# Rus lsid to determin the name of the LSF master.

if Facter.value(:id) == "root" and File.exists?('/usr/bin/lsid')
  Facter.add("lsf_lsid_master")  do
    setcode do
       output = Facter::Util::Resolution.exec('/usr/bin/lsid')
       if not output.nil?
          output.grep(/My master name is \S+$/)[0].split.last
       end
    end
  end
end