This doesn't exist in newton images, so install it via the
ansible tasks during step3 (when all other packages are updated).
Change-Id: I700a711473d10a50fad6b1797453a74c0cdff54b
Closes-Bug: 
1667965
(cherry picked from commit 
63cb515c602d8a231a086b1db098c129ed81eaff)
         include tripleo::profile::base::panko::api
       metadata_settings:
         get_attr: [ApacheServiceBase, role_data, metadata_settings]
+      upgrade_tasks:
+        # The panko API isn't installed in newton images, so install
+        # it on upgrade
+        - name: Install openstack-panko-api packages on upgrade
+          tags: step3
+          yum: name=openstack-panko-api state=latest