Merge pull request #394 from ti-mo/master

Enable optional-rpms on official RHEL for yum-plugin-priorities

roles/ceph-common/tasks/pre_requisites/prerequisite_rh_storage_cdn_install.yml

@@ -4,6 +4,17 @@
   register: subscription
   changed_when: false
 
+- name: check if the red hat optional repo is present
+  shell: yum --noplugins --cacheonly repolist | grep -sq rhel-7-server-optional-rpms
+  changed_when: false
+  failed_when: false
+  register: rh_optional_repo
+
+- name: enable red hat optional repository
+  command: subscription-manager repos --enable rhel-7-server-optional-rpms
+  changed_when: false
+  when: rh_optional_repo.rc != 0
+
 - name: check if the red hat storage monitor repo is already present
   shell: yum --noplugins --cacheonly repolist | grep -sq rhel-7-server-rhceph-1.3-mon-rpms
   changed_when: false