
https://review.openstack.org/#/c/320295/ introduced two internal variables: _DISK_WAIT_ATTEMPTS and _DISK_WAIT_DELAY. These values are hardcoded. This patch adds configuration options for these so that an operator can change them based on their own needs/fleet of hardware. Change-Id: I2ba97669ec710fb4a435307466cd8add9c2293ba Closes-Bug: #1585663