runonce.sh

#!/bin/bash
### BEGIN INIT INFO
# Provides:          firstboot
# Required-Start:    $local_fs
# Required-Stop:
# Should-Start:      $network $portmap nfs-common  udev-mtab
# Default-Start:     S
# Default-Stop:
# Short-Description: First-boot system customization routines
# Description:       Provides first-boot system customization for
#                    proxmox container templates.
#                    Removes itself entirely when done.
### END INIT INFO

case "$1" in
  start)

    # Put first boot routines here

    # Remove the RELP client configuration, if it exists
    rm -f /etc/rsyslog.d/00-relp.conf
    chown syslog:adm /var/log/syslog
    service rsyslogd restart

    # Enable and start logstash
    systemctl enable logstash
    systemctl start logstash

    # Once the script has completed execution, delete ourselves
    update-rc.d firstboot disable
    rm $0
  ;;
  stop)
    echo "Not Implemented"
  ;;
  status)
    echo "Not Implemented"
  ;;
  restart|force-reload)
    echo "Not Implemented"
  ;;
  *)
    echo "Usage: /etc/init.d/$NAME {start}" >&2
    exit 1
  ;;
esac