shrink-osd: add missing CEPH_BINARY

We need to add the right binary to do the docker exec.

Signed-off-by: Sébastien Han <seb@redhat.com>

infrastructure-playbooks/shrink-osd.yml

@@ -63,7 +63,7 @@
     # post-task for preceding import
     - name: set_fact docker_exec_cmd build docker exec command (containerized)
       set_fact:
-        docker_exec_cmd: "docker exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }}"
+        docker_exec_cmd: "{{ container_binary }} exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }}"
       when: containerized_deployment
 
     - name: exit playbook, if can not connect to the cluster
@@ -91,6 +91,7 @@
       environment:
         CEPH_VOLUME_DEBUG: 1
         CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
+        CEPH_CONTAINER_BINARY: "{{ container_binary }}"
       with_items: "{{ osd_hosts }}"
       delegate_to: "{{ item }}"
       register: osd_volumes
@@ -135,6 +136,7 @@
       environment:
         CEPH_VOLUME_DEBUG: 1
         CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
+        CEPH_CONTAINER_BINARY: "{{ container_binary }}"
       delegate_to: "{{ item.host }}"
       with_items: "{{ osd_host_volumes_to_kill_non_container }}"