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authorLennart Poettering <lennart@poettering.net>2015-06-15 19:24:43 +0200
committerLennart Poettering <lennart@poettering.net>2015-06-15 19:28:55 +0200
commit770b5ce4fc31a336a41e81381c229da725ef0cfa (patch)
tree7ccdca8270ec46ee43d0f109da5c5439426a85d2 /src/journal/lookup3.h
parent1b26f09eb0ab6925ca15835107e75c47931cdef2 (diff)
tmpfiles: automatically remove old machine snapshots at boot
Remove old temporary snapshots, but only at boot. Ideally we'd have "self-destroying" btrfs snapshots that go away if the last last reference to it does. To mimic a scheme like this at least remove the old snapshots on fresh boots, where we know they cannot be referenced anymore. Note that we actually remove all temporary files in /var/lib/machines/ at boot, which should be safe since the directory has defined semantics. In the root directory (where systemd-nspawn --ephemeral places snapshots) we are more strict, to avoid removing unrelated temporary files. This also splits out nspawn/container related tmpfiles bits into a new tmpfiles snippet to systemd-nspawn.conf
Diffstat (limited to 'src/journal/lookup3.h')
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