Update to Alpine 3.19 #461
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Ah, #437 by itself is not correct/complete, but it is a great thing to surface and a big problem for this image (surfacing a larger problem with iptables vs nftables, especially as it relates to network namespaces / Docker-in-Docker). 😞 |
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That seems like a rather large blocking issue then. I'll mark this as draft in the meantime, so anyone interested can still subscribe and track progress. |
https://gitlab.alpinelinux.org/alpine/aports/-/merge_requests/47102 changes the default iptables backend to nf_tables. To prepare for the change (and to make sure it's not forgotten once DinD is updated), load nf_tables into the kernel.
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Changes: - docker-library/docker@0411c8f: Merge pull request docker-library/docker#461 from jnoordsij/update-alpine-3.19 - docker-library/docker@18bbfb7: Update to Alpine 3.19 - docker-library/docker@4c2674d: Remove ip_tables in favor of nf_tables in dockerd entrypoint fallback - docker-library/docker@07fb6c2: Load nf_tables in preparation of Alpine 3.19
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PR docker-library#461 updated Alpine to 3.19 and made a change to load the nf_tables kernel module if needed. However, as demonstrated by docker-library#463 and docker-library#464 this might break when the host system doesn't have the nf_tables module available. In that case, we should still try to load the ip_tables module and symlink /sbin/iptables to xtables-legacy-multi. Signed-off-by: Albin Kerouanton <[email protected]>
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This updates Alpine to the latest stable version: 3.19.
See also https://alpinelinux.org/posts/Alpine-3.19.0-released.html.
Edit: This is currently blocked as it requires additional upstream support for
nftables; see also comment below and #437.Closes: #437