Adding swift backend for cinder backup

Prod-Related: PROD-32817
Change-Id: I4ed305f50144947c4b5544d767f1974ad996d4ed
diff --git a/tests/pillar/control_cluster.sls b/tests/pillar/control_cluster.sls
index bb8315e..a4a65f0 100644
--- a/tests/pillar/control_cluster.sls
+++ b/tests/pillar/control_cluster.sls
@@ -99,6 +99,28 @@
     policy:
       'volume:delete': 'rule:admin_or_owner'
       'volume:extend':
+    backup:
+      engine: swift
+      swift:
+        driver: cinder.backup.drivers.swift
+        auth: per_user
+        auth_version: 3
+        block_size: 32768
+        object_size: 52428800
+        container: volumebackup
+        compression_algorithm: gzip
+        retry_attempts: 3
+        retry_backoff: 2
+        catalog_info: object-store:swift:internalURL
+        keystone_catalog_info: identity:Identity Service:publicURL
+        user: test
+        user_domain: localhost
+        key: AAAAAAAAAAA
+        tenant: admin
+        project_domain: localhost
+        project: service
+        enable_progress_timer: True
+        ca_cert_file: /etc/ssl/pki/ca.pem
 apache:
   server:
     enabled: true