Simple and structured custom fact examples

centrify_simple.rb

# This custom fact is confined to RedHat and derivatives and
# returns a simple fact (string)
Facter.add('centrify') do
  confine Facter.value(:os)['family'] => 'RedHat'

  setcode do
    query = Facter::Core::Execution.execute('rpm -q --qf %{VERSION} CentrifyDC')
    if query =~ /\d+\.\d+/
      query
    else
      ''
    end
  end
end

centrify_structured.rb

# This custom fact is confined to RedHat and derivatives and
# returns a structured fact (hash)
Facter.add('centrify') do
  confine Facter.value(:os)['family'] => 'RedHat'

  setcode do
    query = Facter::Core::Execution.execute('rpm -q --qf %{VERSION} CentrifyDC')
    if query =~ /\d+\.\d+/
      {
        "installed" => true,
        "version"   => query
      }
    else
      {
        "installed" => false
      }
    end
  end
end