flatcar-postinst: Ensure /etc/extensions is mergable#32
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This pulls in flatcar/update_engine#32 to make the Docker/containerd sysexts show up when updating from Beta 3760.1.0.
In Beta 3760.1.0 the /etc/extensions/ folder gets created by "mkdir -p" because it does not exist in the lowerdir /usr/share/flatcar/etc/. This causes the opaque marker to be set by overlayfs. The update to Alpha thus does not merge the new /usr/share/flatcar/etc/extensions/ folder with its docker/containerd sysext symlinks. We should have had /etc/extensions/ in the lowerdir in Beta but didn't. Ensure that the created folders are mergable by removing the overlayfs marker. This is needed for existing installations and folders we expect to exist in the lowerdir but were missing so far.
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pothos
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This pulls in flatcar/update_engine#32 to make the Docker/containerd sysexts show up when updating from Beta 3760.1.0.
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pothos
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This pulls in flatcar/update_engine#32 to make the Docker/containerd sysexts show up when updating from Beta 3760.1.0.
pothos
added a commit
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This pulls in flatcar/update_engine#32 to make the Docker/containerd sysexts show up when updating from Beta 3760.1.0.
pothos
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to flatcar/scripts
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Nov 29, 2023
This pulls in flatcar/update_engine#32 to make the Docker/containerd sysexts show up when updating from Beta 3760.1.0.
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In Beta 3760.1.0 the /etc/extensions/ folder gets created by "mkdir -p" because it does not exist in the lowerdir /usr/share/flatcar/etc/. This causes the opaque marker to be set by overlayfs. The update to Alpha thus does not merge the new /usr/share/flatcar/etc/extensions/ folder with its docker/containerd sysext symlinks. We should have had /etc/extensions/ in the lowerdir in Beta but didn't.
Ensure that the created folders are mergable by removing the overlayfs marker. This is needed for existing installations and folders we expect to exist in the lowerdir but were missing so far.
How to use
Backport to Alpha and Beta
Testing done
Update from Beta to this here with
sudo flatcar-update -D -V 1.2.3 -E flatcar_test_update-oem-qemu.gz -P flatcar_test_update.gzand after the reboot the extension folder has all contents.changelog/directory (user-facing change, bug fix, security fix, update)/bootand/usrsize, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.