From c2fbfb630e974ae83cab1e839d173dc76eaf437a Mon Sep 17 00:00:00 2001
From: Darren DeJaeger <darren.dejaeger@gmail.com>
Date: Wed, 6 May 2020 20:40:20 +0000
Subject: [PATCH] Enable Cinder image-volume cache for the 'rbd1' backend

Enables and sets some sane, default configuration, based off
documentation [0] for the 'rbd1' scoped Cinder backend. When a
volume is first created from an image, a new cached image-volume
will be created that is owned by the Block Storage Internal Tenant.
Subsequent requests to create volumes from that image will clone
the cached version instead of downloading the image contents and
copying data to the volume.

[0]: https://docs.openstack.org/cinder/stein/admin/blockstorage-image-volume-cache.html

Change-Id: I1eae74b7058f0c6c0826289cf468033eccecaa8a
---
 cinder/values.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cinder/values.yaml b/cinder/values.yaml
index 85344d8387..b6c4586b17 100644
--- a/cinder/values.yaml
+++ b/cinder/values.yaml
@@ -957,6 +957,9 @@ conf:
       rados_connect_timeout: -1
       rbd_user: cinder
       rbd_secret_uuid: 457eb676-33da-42ec-9a8c-9293d545c337
+      image_volume_cache_enabled: True
+      image_volume_cache_max_size_gb: 200
+      image_volume_cache_max_count: 50
   rally_tests:
     run_tempest: false
     clean_up: |