docs: Move composefs tracking from issue #1190 to docs #1941
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| Experimental features are subject to change or removal. Please | ||||||||
| do provide feedback on them. | ||||||||
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| ## Overview | ||||||||
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| The composefs backend is an experimental alternative storage backend that uses [composefs-rs](https://github.com/containers/composefs-rs) instead of ostree for storing and managing bootc system deployments. | ||||||||
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| # Final image: copy the sealed UKI into place | ||||||||
| FROM rootfs | ||||||||
| COPY --from=sealed-uki /out/*.efi /boot/EFI/Linux/ | ||||||||
| ``` | ||||||||
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| This pattern works because: | ||||||||
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@@ -140,21 +136,24 @@ To use sealed images, the container image must have a UKI and systemd-boot insta | |||||||
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| There is a `--composefs-backend` option for `bootc install` to explicitly select a composefs backend apart from sealed images; this is not as heavily tested yet. | ||||||||
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| ## Known Issues | ||||||||
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| The composefs backend is experimental; on-disk formats are subject to change. | ||||||||
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| ### Deployment blockers | ||||||||
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| - [Garbage collection](https://github.com/containers/composefs-rs/pull/200): Old deployments are not cleaned up | ||||||||
| - [SELinux enforcement](https://github.com/bootc-dev/bootc/issues/1826): Currently requires `enforcing=0` | ||||||||
| - [OCI registry install](https://github.com/bootc-dev/bootc/issues/1703): Installing from registry can fail due to config mismatch | ||||||||
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| ### Important | ||||||||
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| - [Sealed image build UX](https://github.com/bootc-dev/bootc/issues/1498): Streamlined tooling for building sealed images | ||||||||
| - **kargs.d**: Custom kernel arguments from `/usr/lib/bootc/kargs.d` not yet included in sealed UKIs | ||||||||
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Contributor
There was a problem hiding this comment. This can only happen with UKI addons as we can not modify the kargs of signed UKIs
Collaborator
Author
There was a problem hiding this comment. Right, but this is about automatically inserting those kargs when generating a UKI at build time. |
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| ### Long-term | ||||||||
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| - [Unified storage](https://github.com/bootc-dev/bootc/issues/20) | ||||||||
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Contributor
There was a problem hiding this comment. It appears the tracker for UKI/systemd-boot improvements (#806) was omitted from the new 'Known Issues' section. The PR description mentions this as a long-term goal, and it was present in the old 'Related Issues' list. It would be good to include it here for completeness.
Suggested change
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| ## Additional Resources | ||||||||
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The use of bold formatting for the
kargs.ditem is inconsistent with the other items in this list, which are either links or plain text. For better visual consistency, I suggest removing the bolding.