Save /boot structure as an image - #2380
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For UKI booted systems we have a lot of stuff in `/boot` viz, UKI, UKI Addons, UKI dumpfile, various UKI profiles and we may add more things in the future. Currently we mask off `/boot` from the EROFS which leaves us with a very inefficient way of reconstructint the filesystem from splitstreams to get back what was in `/boot` Instead, save a `<verity>.boot` EROFS in `composefs/images/refs` which contains only the `/boot` directory. This is useful for installing UKI addons from other deployments into the current one and also for GC-ing UKI and respective addons which we currently do not Signed-off-by: Pragyan Poudyal <pragyanpoudyal41999@gmail.com>
Make use of the saved `.boot` EROFS to GC everything in the boot directory of the deployment being GC'd Signed-off-by: Pragyan Poudyal <pragyanpoudyal41999@gmail.com>
Signed-off-by: Pragyan Poudyal <pragyanpoudyal41999@gmail.com>
Test whether UKI assets are being cleaned up from the objects directory during GC Signed-off-by: Pragyan Poudyal <pragyanpoudyal41999@gmail.com>
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For UKI booted systems we have a lot of stuff in
/bootviz, UKI, UKIAddons, UKI dumpfile, various UKI profiles and we may add more things in
the future. Currently we mask off
/bootfrom the EROFS which leaves uswith a very inefficient way of reconstructint the filesystem from
splitstreams to get back what was in
/bootInstead, save a
<verity>.bootEROFS incomposefs/images/refswhichcontains only the
/bootdirectory. This is useful for installing UKIaddons from other deployments into the current one and also for GC-ing
UKI and respective addons which we currently do not
Make use of the saved
.bootEROFS to GC everything in the bootdirectory of the deployment being GC'd
Closes: composefs/composefs-rs#373