rbdmirror: do not use ceph/daemon entrypoint

This changes the entrypoint used for rbdmirror containerized daemons
in the systemd template.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

roles/ceph-rbd-mirror/tasks/main.yml

@@ -42,11 +42,11 @@
   set_fact:
     rbd_cmd: "{{ container_binary + ' run --rm --net=host -v /etc/ceph:/etc/ceph:z -v /var/lib/ceph:/var/lib/ceph:z -v /var/run/ceph:/var/run/ceph:z --entrypoint=rbd ' + ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment | bool else 'rbd' }}"
 
+- name: include configure_mirroring.yml
+  include_tasks: configure_mirroring.yml
+
 - name: include start_container_rbd_mirror.yml
   include_tasks: start_container_rbd_mirror.yml
   when:
     - containerized_deployment | bool
     - ceph_rbd_mirror_remote_user is defined
-
-- name: include configure_mirroring.yml
-  include_tasks: configure_mirroring.yml

roles/ceph-rbd-mirror/templates/ceph-rbd-mirror.service.j2

@@ -32,13 +32,12 @@ ExecStart=/usr/bin/{{ container_binary }} run --rm --net=host \
   -v /var/run/ceph:/var/run/ceph:z \
   -v /etc/localtime:/etc/localtime:ro \
   -v /var/log/ceph:/var/log/ceph:z \
-  -e CLUSTER={{ cluster }} \
-  -e CEPH_DAEMON=RBD_MIRROR \
-  -e CONTAINER_IMAGE={{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }} \
   -e TCMALLOC_MAX_TOTAL_THREAD_CACHE_BYTES={{ ceph_tcmalloc_max_total_thread_cache }} \
   --name=ceph-rbd-mirror-{{ ansible_facts['hostname'] }} \
   {{ ceph_rbd_mirror_docker_extra_env }} \
-  {{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}
+  --entrypoint=/usr/bin/rbd-mirror \
+  {{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }} \
+  -f -n client.rbd-mirror.{{ ansible_facts['hostname'] }}
 {% if container_binary == 'podman' %}
 ExecStop=-/usr/bin/sh -c "/usr/bin/{{ container_binary }} rm -f `cat /%t/%n-cid`"
 {% else %}