To make it possible to plop a CoreOS install into a simple
single-filesystem image for use as a container some things like
configuring bootloaders need to be skipped.
To behave more like setup_board/build_packages update_chroot should
fully configure portage to make sure everything is accurate.
Now binhosts are defined in make.conf.host_setup so the static config in
coreos-overlays doesn't need to refer to version.txt. setup_board
already made this change in 7a43a07f.
Define path locations to reduce dependency between static configs in
coreos-overlays and the behavior of the scripts repo. Spreading
configuration across two repos makes everything harder to understand.
Eventually everything should either be defined in profiles in
coreos-overlays or minimal auto-generated config files here in scripts.
Use what was the base image build function as setup/finalize steps in
the dev and prod build functions. This eliminates duplicate code
that mounted and unmounted the filesystem images.
We need some more control over exactly what lands in dev vs prod images
which will require letting them diverge in what is currently the common
base image step. There isn't any real need for the base image in the
first place other than to speed up building both dev and prod images at
the same time but that isn't common enough to worry about.
As part of this cleanup also remove references to CHROMEOS_* variables
and the recovery image that never actually existed in CoreOS.
For generating images for groups other than the one given to build_image
run this script along with the usual image_to_vm.sh commands. To avoid
ambiguity with the 'latest' symlink, this script creates $group-latest
symlinks instead. build_image creates the new symlink too.
Only the key is needed, and currently the vagrant OEM is completely
broken outside of vagrant. This gets vmware_insecure images back into
the state that they were before cloud config came along. :)
This adds two new optional build steps. The first user of these is the
vagrant images but many of the targets can be simplified now.
- fs_hook: Anything that needs to happen before unmounting the image.
This happens after the OEM is installed but before disk images are
made. It can be used to copy any data out of the image.
- bundle_format: Many VM types ship as some sort of archive format
rather than plain disk images as this script originally assumed.
Adding this final step lets us stop using the conf step awkwardly.
Vagrant now ships with a Vagrantfile and related code included in the
OEM package. This lets us version our vagrant-side code along with the
images themselves as well making the coreos-vagrant repo optional again.
The coreos-vagrant code will still be useful for handling the fancier
cluster configuration stuff but no longer has to carry the plugin code.
This should make it less difficult for people to add kernel options for
debugging. Without a prompt/timeout the user must be holding down space
or some other key while syslinux loads but it may not be possible for
the user to do so provide input quite that fast. Only a half second to
avoid needlessly increasing boot times in the common case.
Using the classic mbr.bin was only needed during the transition from
syslinux 3 to 6 because the behavior of gptmbr.bin changed after 3.
Now that the transition is done and cgpt supports the new scheme now it
is time we switched back. This avoids depending on using a hybrid MBR.
The .DIGESTS format is clunky and annoying. It also requires uses to
perform two steps to verify images using GPG. Instead support signing
all files directly so there is no need for .DIGESTS.
The old DIGESTS code will remain in place for now but after a few
releases I plan on deleting it.
The use of getopts was leading to conflicts between this script's short
options and qemu's long options. For example -serial was getting
interpreted as -s -- erial which is not very helpful.
