Merge pull request #9591 from ewolinetz/bz1615215

Adding default value for openshift_logging_storage_kind

roles/openshift_logging_elasticsearch/tasks/main.yaml

@@ -408,7 +408,7 @@
       content:
         spec#claimRef#name: "{{ openshift_logging_elasticsearch_pvc_name }}"
         spec#claimRef#namespace: "{{ openshift_logging_elasticsearch_namespace }}"
-    when: openshift_logging_storage_kind == "nfs"
+    when: openshift_logging_storage_kind | default('') == "nfs"
 
   - name: Set ES storage
     oc_obj: