post_install() {
  if [ -d /usr/lib/apache-flume-ng/lib ]; then
    ln -s /usr/share/java/flume-ng-rabbitmq.jar /usr/lib/apache-flume-ng/lib/flume-ng-rabbitmq.jar
  fi
}

post_upgrade() {
  post_install
}

post_remove() {
  rm -f /usr/lib/apache-flume-ng/lib/flume-ng-rabbitmq.jar
}