<source>
  @type tail
  path /var/log/apt/history.log
  pos_file /var/log/td-agent/aptitude.pos
  format none
  tag aptitude
</source>

<filter aptitude>
  @type record_transformer
  <record>
    hostname ${hostname}
    message ${hostname}: ${record["message"]}
  </record>
</filter>

<match aptitude>
  @type relabel
  @label @forward
</match>