os_coe_cluster: Retrive id/uuid correctly

Fix https://github.com/ansible/ansible/issues/67576

Change-Id: I59b07a8733d549015ed1999e30970d1131c82f99
Signed-off-by: Bharat Kunwar <brtknr@bath.edu>

changelogs/fragments/67576-os_coe_cluster-retrieve-id-uuid-correctly.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- os_coe_cluster: Retrieve the correct id/uuid depending on whether it is a create/get request.

plugins/modules/os_coe_cluster.py

@@ -187,7 +187,7 @@ cluster:
             - The time in UTC at which the cluster is updated
           type: str
           sample: '2018-08-16T10:39:25+00:00'
-      uuid:
+      id:
           description:
             - Unique UUID for this cluster
           type: str
@@ -270,7 +270,13 @@ def main():
             else:
                 changed = False
 
-            module.exit_json(changed=changed, cluster=cluster, id=cluster['uuid'])
+            # NOTE (brtknr): At present, create_coe_cluster request returns
+            # cluster_id as `uuid` whereas get_coe_cluster request returns the
+            # same field as `id`. This behaviour may change in the future
+            # therefore try `id` first then `uuid`.
+            cluster_id = cluster.get('id', cluster.get('uuid'))
+            cluster['id'] = cluster['uuid'] = cluster_id
+            module.exit_json(changed=changed, cluster=cluster, id=cluster_id)
         elif state == 'absent':
             if not cluster:
                 module.exit_json(changed=False)