Found https://gist.github.com/kayrus/b47c466d8bbeb46822b1 from the user forums, but can't really tell if it will work in general going forward.
On Friday, June 9, 2017 at 12:18:34 PM UTC-7, Charles Allen wrote: > > We have a custom coreos build (specific portage overlay) which we use to > build our images. > > Right now we just build the image and call image_to_vm to create the cloud > volume snapshot binary blob. I would like to be able to move to something > that is compatible with the coreos partition swapping but am having trouble > finding a way to either: > > 1. Have a non-official update channel local to our organization > 2. Have a way to really-really-manually update a coreos node. > > Looking at https://coreos.com/os/docs/latest/manual-rollbacks.html it > seems it might be possible to simply update the not-in-use USR-? partition > from the "new" image and continue from there. > > Is there a way to either use a non-official update channel, or to manually > push an update into the unused USR partition? > > Thank you, > Charles Allen >
