The current method to rewrite the mirror URL in the ubuntu element will
only rewrite archive.ubuntu.com, which leaves the security URL alone.
This is probably not intended for people who are creating images behind
firewalls.
Change-Id: I54a867e0e9d5a7c94324a5c00ff1a83b4e6e4524
Add a script to ubuntu's pre-install.d that will change
archive.ubuntu.com to a mirror specified in $DIB_DISTRIBUTION_MIRROR.
Change-Id: Idfd5a40ec8a1912a5de5dcdcaf9795946b0b53b8
This switches $CLOUD_IMAGES and $RELEASE to the DIB_ namespace so
they will survive future changes to the sanitisation of the build
environment.
Change-Id: I7dc2aa82fb9ef452705b080cc404f41046014f20
This is a necessary but not complete step towards supporting Fedora and Suse
distributions. Further work is needed (e.g. to quiesce daemons on
installation).
Change-Id: If3ea6093d41a21de755db52328226b84b5a3ede6
