Rename tmpfiles.d files

On CentOS /run/lock is created by /usr/lib/tmpfiles.d/legacy.conf file
which can be run after other conf we create for opentack services.
This patch rename the service files to openstack-service.conf to ensure
it is ran after legacy.conf

Change-Id: Iff1b2d38cc30c755445b0b5b86e9c39860aa0f23

tasks/cinder_init_systemd.yml

@@ -38,10 +38,22 @@
     - inventory_hostname in groups[item.value.group]
     - "{{ item.value.condition | default(true) }}"
 
+# TODO(mgariepy):
+# Remove this in Pike as it only needed to handle upgrades
+# from Newton->Newton and Newton->Ocata
+- name: Cleanup old tmpfiles.d entry
+  file:
+    path: "/etc/tmpfiles.d/{{ item.value.service_name }}.conf"
+    state: absent
+  with_dict: "{{ cinder_services }}"
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - "{{ item.value.condition | default(true) }}"
+
 - name: Create tmpfiles.d entry
   template:
     src: "cinder-systemd-tmpfiles.j2"
-    dest: "/etc/tmpfiles.d/{{ item.value.service_name }}.conf"
+    dest: "/etc/tmpfiles.d/openstack-{{ item.value.service_name }}.conf"
     mode: "0644"
     owner: "root"
     group: "root"