autorefresh.sh

#!/bin/sh

autorefresh() {
  test -d /etc/cups || return 1
  echo puk
  /usr/bin/inotifywait -m -e close_write,moved_to,create /etc/cups |
    while read -r directory events filename; do
      if [ "$filename" = "printers.conf" ]; then
        rm -rf /services/AirPrint-*.service
        /root/airprint-generate.py -d /services
        cp /etc/cups/printers.conf /config/printers.conf
        rsync -avh /services/ /etc/avahi/services/
      fi
    done
}
autorefresh &

start-cups.sh

#! /bin/sh
#
# Start docker image that provides a CUPS instance
#
# Author:       Thomas Bendler <[email protected]>
# Date:         Sat Dec  8 15:46:29 CET 2018
#
# Release:      v1.3
#
# ChangeLog:    v0.1 - Initial release
#               v1.2 - First production ready release (align with image version)
#               v1.3 - Add avahi
#

### Set standard password if not set with local environment variable ###
if [ -n "${CUPS_PASSWORD}" ]; then
  CUPS_PASSWORD=password
fi

### Run docker instance ###
docker run --detach --restart always \
  --cap-add=SYS_ADMIN -e "container=docker" \
  -e CUPS_ENV_HOST="$(hostname -f)" \
  -e CUPS_ENV_PASSWORD="${CUPS_PASSWORD}" \
  -e CUPS_ENV_DEBUG="${CUPS_DEBUG}" \
  --name cups --hostname cups.$(hostname -f | sed -e 's/^[^.]*\.//') \
  -p 137:137/udp -p 139:139/tcp -p 445:445/tcp \
  -p 631:631/tcp -p 5353:5353/udp \
  thbe/cups