fix rgw containerized deployment

Signed-off-by: Huamin Chen <hchen@redhat.com>

roles/ceph-rgw/tasks/docker/start_docker_rgw.yml

@@ -8,34 +8,26 @@
     owner: "root"
     group: "root"
     mode: "0644"
-  when:
-    is_atomic or
-    ansible_os_family == 'CoreOS'
+  when: ansible_os_family == 'RedHat' or ansible_os_family == 'CoreOS'
 
 - name: link systemd unit file for rgw instance
   file:
     src: /var/lib/ceph/ceph-rgw@.service
     dest: /etc/systemd/system/multi-user.target.wants/ceph-rgw@{{ ansible_hostname }}.service
     state: link
-  when:
-    is_atomic or
-    ansible_os_family == 'CoreOS'
+  when: ansible_os_family == 'RedHat' or ansible_os_family == 'CoreOS'
 
 - name: enable systemd unit file for rgw instance
   shell: systemctl enable /etc/systemd/system/multi-user.target.wants/ceph-rgw@{{ ansible_hostname }}.service
   failed_when: false
   changed_when: false
-  when:
-    is_atomic or
-    ansible_os_family == 'CoreOS'
+  when: ansible_os_family == 'RedHat' or ansible_os_family == 'CoreOS'
 
 - name: reload systemd unit files
   shell: systemctl daemon-reload
   changed_when: false
   failed_when: false
-  when:
-    is_atomic or
-    ansible_os_family == 'CoreOS'
+  when: ansible_os_family == 'RedHat' or ansible_os_family == 'CoreOS'
 
 - name: systemd start rgw container
   service:
@@ -43,9 +35,7 @@
     state: started
     enabled: yes
   changed_when: false
-  when:
-    is_atomic or
-    ansible_os_family == 'CoreOS'
+  when: ansible_os_family == 'RedHat' or ansible_os_family == 'CoreOS'
 
 - name: run the rados gateway docker image
   docker:
@@ -56,6 +46,4 @@
     state: running
     env: "CEPH_DAEMON=RGW,{{ ceph_rgw_docker_extra_env }}"
     volumes: "/var/lib/ceph:/var/lib/ceph,/etc/ceph:/etc/ceph"
-  when:
-    not is_atomic and
-    ansible_os_family != 'CoreOS'
+  when: ansible_os_family != 'RedHat' and ansible_os_family != 'CoreOS'