Ensure ceph-ansible is installed

Before attempting to install Ceph check that ceph-ansible is
installed using the new inflight-validations feature. If it
is not installed then fail the deployment using the message
from the validations frame work.

Change-Id: I6e9042f8cc2e5258e0e62c1bacaebf9a51eb61a7
Implements: blueprint inflight-validations
Depends-On: Ic099c61c74abf6da24a2cce899c944e3bf8ce26b

deployment/ceph-ansible/ceph-base.yaml

@@ -391,6 +391,15 @@ outputs:
           when: step == '1'
           tags: ceph
           block:
+            - name: ensure ceph-ansible is installed
+              include_role:
+                role: ceph
+                tasks_from: ceph-ansible-installed
+              vars:
+                fail_without_ceph_ansible: true
+              tags:
+                - opendev-validation
+                - opendev-validation-ceph
             - name: set blacklisted_hostnames
               set_fact:
                 blacklisted_hostnames: {get_param: DeploymentServerBlacklist}