Use centralized_db cache driver in tempest jobs

Related blueprint centralized-cache-db
Depends-On: https://review.opendev.org/c/openstack/tempest/+/901525
Change-Id: Icd6d79d563c6b5e8f2158bcad9b4f471d72def90

.zuul.yaml

@@ -253,6 +253,18 @@
             image:
               image_caching_enabled: True
 
+- job:
+    name: glance-centralized-cache
+    parent: tempest-integrated-storage-import
+    description: |
+      The regular job to test with glance centralized cache driver
+    vars:
+      devstack_local_conf:
+        post-config:
+          $GLANCE_API_CONF:
+            DEFAULT:
+              image_cache_driver: "centralized_db"
+
 - job:
     name: glance-multistore-cinder-import
     parent: tempest-integrated-storage-import
@@ -380,6 +392,9 @@
             irrelevant-files: *tempest-irrelevant-files
         - nova-ceph-multistore:
             irrelevant-files: *tempest-irrelevant-files
+        - glance-centralized-cache:
+            voting: false
+            irrelevant-files: *tempest-irrelevant-files
         - glance-secure-rbac-protection-functional
 
     gate: