Test glance with cinder backend optimization

Configure a gate job for glance using a cinder glance_store
with cinder configured to clone image data directly in the backend
instead of transferring data through glance.

Change-Id: I8a193b1cd6002e11db78c8eebceaa2fbc86a90bc

.zuul.yaml

@@ -66,6 +66,9 @@
         - cinder-tempest-lvm-multibackend:
             voting: false
             irrelevant-files: *gate-irrelevant-files
+        - cinder-for-glance-optimized:
+            voting: false
+            irrelevant-files: *gate-irrelevant-files
         - devstack-plugin-nfs-tempest-full:
             voting: false
             irrelevant-files: *gate-irrelevant-files
@@ -290,3 +293,20 @@
     parent: openstack-tox
     vars:
       tox_envlist: mypy
+
+- job:
+    name: cinder-for-glance-optimized
+    parent: cinder-tempest-plugin-basic
+    description: |
+      Configures glance with cinder as a backend for multiple glance cinder
+      stores and with cinder configured to use the optimized workflow of
+      moving image data directly in the backend.
+    vars:
+      devstack_localrc:
+        USE_CINDER_FOR_GLANCE: True
+        GLANCE_ENABLE_MULTIPLE_STORES: True
+        CINDER_ENABLED_BACKENDS: lvm:lvmdriver-1
+        GLANCE_CINDER_DEFAULT_BACKEND: lvmdriver-1
+        GLANCE_SHOW_DIRECT_URL: True
+        GLANCE_SHOW_MULTIPLE_LOCATIONS: True
+        CINDER_ALLOWED_DIRECT_URL_SCHEMES: cinder