xoxys.docker_tidy/templates/etc/systemd/system/tidy.service.j2

#jinja2:lstrip_blocks: True
{{ ansible_managed | comment }}
[Unit]
Description=Docker GC
Requires=docker.service network-online.target
After=docker.service network-online.target

[Service]
Type=oneshot

ExecStartPre=/bin/sh -c '/usr/bin/docker ps | /bin/grep %p 1> /dev/null && /usr/bin/docker kill %p || true'
ExecStartPre=/bin/sh -c '/usr/bin/docker ps -a | /bin/grep %p 1> /dev/null && /usr/bin/docker rm %p || true'
ExecStartPre=/usr/bin/docker pull {{ dockertidy_image }}
ExecStart=/usr/bin/docker run --rm \
  --name %p \
  --hostname %p \
  --env-file /etc/sysconfig/tidy \
  --volume {{ dockertidy_docker_socket_path }}:/var/run/docker.sock \
  --privileged=true \
  --userns=host \
  {{ dockertidy_image }} \

[Install]
WantedBy=multi-user.target