add settings to switchman shards

Change-Id: Ibb8660559a0451aa01f793d79df58e25860862e0
Reviewed-on: https://gerrit.instructure.com/29585
Reviewed-by: Cody Cutrer <cody@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: James Williams  <jamesw@instructure.com>
QA-Review: James Williams  <jamesw@instructure.com>