ceph-osds: backward compatibility with jewel for osp pools creation

If we want to be backward compatible with release prior to luminous, we
have to set the rule name accordingly to default values used in jewel.

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

diff --git a/roles/ceph-osd/tasks/openstack_config.yml b/roles/ceph-osd/tasks/openstack_config.yml
index 1ff42f16948251dc59debedf6772785020123a49..512fc5109fc7f5df120edd787fb784efc4a340bd 100644 (file)
--- a/roles/ceph-osd/tasks/openstack_config.yml
+++ b/roles/ceph-osd/tasks/openstack_config.yml
@@ -18,13 +18,27 @@
   delegate_to: "{{ groups[mon_group_name][0] }}"
   failed_when: false
 
+- name: set_fact rule_name before luminous
+  set_fact:
+    rule_name: "replicated_ruleset"
+  when:
+    - ceph_release_num[ceph_stable_release] < ceph_release_num['luminous']
+    - not rolling_update
+
+- name: set_fact rule_name from luminous
+  set_fact:
+    rule_name: "replicated_rule"
+  when:
+    - ceph_release_num[ceph_stable_release] >= ceph_release_num['luminous']
+      or (ceph_release_num[ceph_stable_release] < ceph_release_num['luminous'] and rolling_update)
+
 - name: create openstack pool(s)
   command: >
     {{ hostvars[groups[mon_group_name][0]]['docker_exec_cmd'] | default('') }} ceph --cluster {{ cluster }}
     osd pool create {{ item.0.name }}
     {{ item.0.pg_num }}
     {{ item.0.pgp_num | default(item.0.pg_num) }}
-    {{ 'replicated_rule' if item.0.rule_name | default('replicated_rule') == '' else item.0.rule_name | default('replicated_rule') }}
+    {{ rule_name if item.0.rule_name | default(rule_name) == '' else item.0.rule_name | default(rule_name) }}
     {{ 1 if item.0.type|default(1) == 'replicated' else 3 if item.0.type|default(1) == 'erasure' else item.0.type|default(1) }}
     {%- if (item.0.type | default("1") == '3' or item.0.type | default("1") == 'erasure') and item.0.erasure_profile != '' %}
     {{ item.0.erasure_profile }}