[Backport release-1.29] Fix deletion of persistent data with k0s reset #5346
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Make sure that we don't have anything mounted under those directories so we don't delete persistent data. We do this py parsing /proc/mounts in reverse order as it is listed in mount order, and then we unmount anything that is under our directories before we delete them. Don't umount datadir itself if it is on a separate partition/mount Fixes k0sproject#4318 Signed-off-by: Natanael Copa <[email protected]> (cherry picked from commit 7ab81aa) (cherry picked from commit 54fb78c)
Add a script to the reset integration test that tries to clutter the data directory by placing files and directories with odd permissions, adding symlinks to stuff outside the data directory, and adding bind mounts in various ways. This is to prove that k0's reset will never delete anything that is not beneath the data directory. Signed-off-by: Tom Wieczorek <[email protected]> (cherry picked from commit 2897c35) (cherry picked from commit aeea4ff)
k0s reset will delete any leftovers safely when deleting directories. Signed-off-by: Natanael Copa <[email protected]> (cherry picked from commit 12aa906) (cherry picked from commit 62de5e6)
jnummelin
approved these changes
Dec 12, 2024
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Backport to
release-1.29:See: