
1. The signing_dir was being created on every swift node when it's only needed on proxies: http://docs.openstack.org/grizzly/openstack-compute/install/apt/content/installing-and-configuring-the-proxy-node.html 2. The signing_dir was not configurable, even though the OpenStack doc's show multiple references (/var/cache/swift and /home/swift/keystone-signing). Change-Id: I3eb00046fc535a32d7a1800d15489e9fe071373b