FFU: Add update-from-ceph-newton.yaml

Introduce simple environment file to be included during the final
stack update of a FFU. Contains a list of ceph-ansible playbooks.
Newton's Ceph Jewel will be migrated to containers by the first
playbook and then Ceph will be upgraded to Luminous by the second
playbook.

Change-Id: Id46b07a8dae23ef3b12d656ce250e2959596eaeb

environments/updates/README.md

@@ -13,3 +13,6 @@ Contents
 
 **update-from-deloyed-server-newton.yaml**
   To be used when updating from the deployed-server template from Newton.
+
+**update-from-ceph-newton.yaml**
+  To be used when updating Ceph from the storage-environment template from Newton.

environments/updates/update-from-ceph-newton.yaml

@@ -0,0 +1,4 @@
+parameter_defaults:
+  CephAnsiblePlaybook:
+    - /usr/share/ceph-ansible/infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml
+    - /usr/share/ceph-ansible/infrastructure-playbooks/rolling_update.yml