class CORINEUS

# File lib/corineus.rb, line 36
def add()
 update 'add'
end

# File lib/corineus.rb, line 55
def delete()
  update 'delete'
end

# File lib/corineus.rb, line 60
    def update(action='add')

      k_conf = <<-KRBCONF.unindent
      [realms]
      #{options[:realm]} = {
      kdc = #{options[:kdc]}
      default_domain = #{options[:realm]}
      }
      KRBCONF

      ns_input = <<-NSINPUT.unindent
      server #{options[:server]}
      update #{action} #{options[:name]} #{options[:ttl]} #{options[:type]} #{options[:data]}
      send
      quit
      NSINPUT

      pad_length = 50
      k_file = Tempfile.new('krb5')
      k_file.write(k_conf)
      k_file.rewind

      commands = {
        "Kerberos" => {
          :desc    => 'Get Kerberos ticket',
          :command => "env KRB5_CONFIG=#{k_file.path} kinit #{options[:user]}@#{options[:realm]}",
          :input   => "#{options[:password]}",
          :exit    => 1,
          :clue    => 'Do you have the kinit command installed and in your PATH?'
        },
        "nsupdate" => {
          :desc    => "#{action.capitalize} DNS record",
          :command => "env KRB5_CONFIG=#{k_file.path} nsupdate -g",
          :input   => ns_input,
          :exit    => 2,
          :clue    => 'Do you have the nsupdate command installed and in your PATH?'
        }
      }
      commands.each do |task, details|
        outputs = ''
        errors =  ''
        print "#{details[:desc]}...".ljust(pad_length, padstr='.') if options[:verbose]
        command_status = POpen4::popen4(details[:command]) do |stdout, stderr, stdin|
          stdin.puts details[:input]
          stdout.each do |line|
            outputs << "#{line.strip}\n"
          end
          stderr.each do |line|
            errors << "#{line.strip}\n"
          end
        end
        if command_status.exitstatus == 0
          print "Success.\n".green if options[:verbose]
        else
          if options[:verbose]
            print "Failure:\n".red
            print "#{outputs.strip}\n".red
            print "#{errors.strip}\n".red
            print "#{details[:clue]}\n".light_blue
          end
          exit details[:exit]
        end
      end

      k_file.close
      k_file.unlink
    end