[openstack-nova] enable cleaning up of old cached base images

[Pádraig Brady]

commit 83268b7dbbef7c42238c0fb86c4b728baa5d2ce2
Author: Pádraig Brady <P at draigBrady.com>
Date:   Wed Jul 18 16:19:36 2012 +0100

    enable cleaning up of old cached base images
    
    This enables the periodic cache manager to
    remove old cached base images that are
    not currently used.

 nova.conf |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/nova.conf b/nova.conf
index 3e024e8..264a0c7 100644
--- a/nova.conf
+++ b/nova.conf
@@ -18,3 +18,4 @@ connection_type = libvirt
 firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver
 rpc_backend = nova.rpc.impl_qpid
 root_helper = sudo nova-rootwrap
+remove_unused_base_images = True