This is chowning /opt/cache/files to jenkins, which I believe is causing issues for non-devstack-gate jobs that want to access /opt/cache directly as zuul (for d-g jobs, roles/setup-devstack-cache handles making a copy of it there, which is why we don't see it there). Make the cache globally accessible Change-Id: I711bc5643dbc8f2b674cb2a399989643a993a32e