
The owner parameter for some of the tasks for the Keystone client configuration does not have a default fallback, which results in a failure if SUDO_USER is not set in the environment. This patch adds the missing default fallbacks so that it can safely evaluate to root if it missing from the environment. Related-Bug: #1674483 Change-Id: I31a2a33e2fb3b004dfec179426c7d1b4c72301d2