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770b5ce4fc
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
24 lines
981 B
Plaintext
24 lines
981 B
Plaintext
# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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# See tmpfiles.d(5) for details
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v /var/lib/machines 0700 - - -
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# Remove old temporary snapshots, but only at boot. Ideally we'd have
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# "self-destroying" btrfs snapshots that go away if the last last
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# reference to it does. To mimic a scheme like this at least remove
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# the old snapshots on fresh boots, where we know they cannot be
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# referenced anymore. Note that we actually remove all temporary files
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# in /var/lib/machines/ at boot, which should be safe since the
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# directory has defined semantics. In the root directory (where
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# systemd-nspawn --ephemeral places snapshots) we are more strict, to
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# avoid removing unrelated temporary files.
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R! /var/lib/machines/.#*
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R! /.#machine.*
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