disk-image-create processes a DIB_IMAGE_CACHE variable and exports it,
but there are several elements that ignore the value and wrote out
the base location themselves. Use the variable everywhere so that it
will get overridden everywhere.
Change-Id: I00fff354d6c931ad67cf3052d055f0e4604dfdc8
As with the previous similar changes, this is intended to catch
problems as they happen instead of ignoring them and continuing on
to potentially fail later. Setting this on all existing scripts
will allow us to enforce use via Jenkins.
Change-Id: Iad2d490c86dceab148ea9ab08f457c49a5d5352e
Fix the test for $TARGET_ROOT in root.d/50-yum-cache.
Don't use $TARGET_ROOT in pre-install, it's only set for "root" and "cleanup".
Change-Id: I048364ea08ef503a4466f3494f18f72ebf99b5c2
The yum element provides for specific customizations
for yum based distros. The included customization is
a yum cache mounted outside of the chroot so that yum
downloaded packages are reused on subsequent image builds.
Change-Id: I6833c9fdbc83cb09debec6a789082e105c917800
