dongshengyuan
249421e75e
Let r and R lines participate in --clean when they specify an age. The
target itself is removed only after its selected file or directory
timestamps have aged enough; --remove remains unconditional.
Follow-up for: beca6b6e6b
386 lines
12 KiB
Bash
Executable File
386 lines
12 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# Test the "Age" parameter (with age-by) for systemd-tmpfiles.
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set -e
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set -x
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# Test directory structure looks like this:
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# /tmp/ageby/
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# ├── d1
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# │ ├── f1
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# │ ├── f2
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# │ ├── f3
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# │ └── f4
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# ├── d2
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# │ ├── f1
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# │ ├── f2
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# ...
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export SYSTEMD_LOG_LEVEL="debug"
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rm -rf /tmp/ageby
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mkdir -p /tmp/ageby/d{1..4}
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# TODO: There is probably a better way to figure this out.
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# Test for [bB] age-by arguments only on filesystems that expose
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# the creation time. Note that this is _not_ an accurate way to
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# check if the filesystem or kernel version don't provide the
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# timestamp. But, if the timestamp is visible in "stat" it is a
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# good indicator that the test can be run.
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TEST_TMPFILES_AGEBY_BTIME=${TEST_TMPFILES_AGEBY_BTIME:-0}
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if stat --format "%w" /tmp/ageby 2>/dev/null | grep -v '^[\?\-]$' >/dev/null; then
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TEST_TMPFILES_AGEBY_BTIME=1
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fi
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touch -a --date "2 minutes ago" /tmp/ageby/d1/f1
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touch -m --date "4 minutes ago" /tmp/ageby/d2/f1
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# Create a bunch of other files.
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touch /tmp/ageby/d{1,2}/f{2..4}
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# For "ctime".
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touch /tmp/ageby/d3/f1
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chmod +x /tmp/ageby/d3/f1
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sleep 1
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# For "btime".
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touch /tmp/ageby/d4/f1
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sleep 1
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# More files with recent "{a,b}time" values.
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touch /tmp/ageby/d{3,4}/f{2..4}
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# Check for cleanup of "f1" in each of "/tmp/d{1..4}".
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systemd-tmpfiles --dry-run --clean - <<-EOF
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d /tmp/ageby/d1 - - - a:1m -
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e /tmp/ageby/d2 - - - m:3m -
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D /tmp/ageby/d3 - - - c:2s -
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EOF
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for d in d{1..3}; do
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test -f "/tmp/ageby/${d}/f1"
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done
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby/d1 - - - a:1m -
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e /tmp/ageby/d2 - - - m:3m -
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D /tmp/ageby/d3 - - - c:2s -
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EOF
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for d in d{1..3}; do
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test ! -f "/tmp/ageby/${d}/f1"
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done
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if [[ $TEST_TMPFILES_AGEBY_BTIME -gt 0 ]]; then
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby/d4 - - - b:1s -
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EOF
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test ! -f "/tmp/ageby/d4/f1"
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else
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# Remove the file manually.
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rm "/tmp/ageby/d4/f1"
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fi
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# Check for an invalid "age" and "age-by" arguments.
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for a in ':' ':1s' '2:1h' 'nope:42h' '" :7m"' 'm:' '::' '"+r^w-x:2/h"' '"b ar::64"'; do
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systemd-tmpfiles --clean - <<EOF 2>&1 | grep -F 'Invalid age' >/dev/null
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d /tmp/ageby - - - ${a} -
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EOF
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done
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for d in d{1..4}; do
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for f in f{2..4}; do
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test -f "/tmp/ageby/${d}/${f}"
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done
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done
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# Check for parsing with whitespace, repeated values
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# for "age-by" (valid arguments).
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for a in '" a:24h"' 'cccaab:2h' '" aa : 4h"' '" a A B C c:1h"'; do
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systemd-tmpfiles --clean - <<EOF
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d /tmp/ageby - - - ${a} -
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EOF
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done
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for d in d{1..4}; do
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for f in f{2..4}; do
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test -f "/tmp/ageby/${d}/${f}"
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done
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done
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# Check that all files are removed if the "Age" is
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# set to "0" (regardless of "age-by" argument).
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby/d1 - - - abc:0 -
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e /tmp/ageby/d2 - - - cmb:0 -
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EOF
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for d in d{1,2}; do
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for f in f{2..4}; do
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test ! -f "/tmp/ageby/${d}/${f}"
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done
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done
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# Check for combinations:
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# - "/tmp/ageby/d3/f2" has file timestamps that
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# are older than the specified age, it will be
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# removed
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# - "/tmp/ageby/d4/f2", has not aged for the given
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# timestamp combination, it will not be removed
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touch -a -m --date "4 minutes ago" /tmp/ageby/d3/f2
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touch -a -m --date "8 minutes ago" /tmp/ageby/d4/f2
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systemd-tmpfiles --clean - <<-EOF
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e /tmp/ageby/d3 - - - am:3m -
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D /tmp/ageby/d4 - - - mc:7m -
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EOF
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test ! -f "/tmp/ageby/d3/f2"
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test -f "/tmp/ageby/d4/f2"
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# Check that all files are removed if only "Age" is set to 0.
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systemd-tmpfiles --clean - <<-EOF
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e /tmp/ageby/d3 - - - 0s
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d /tmp/ageby/d4 - - - 0s
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EOF
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for d in d{3,4}; do
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for f in f{2..4}; do
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test ! -f "/tmp/ageby/$d/${f}"
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done
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done
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# Check "age-by" argument for sub-directories in "/tmp/ageby".
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby/ - - - A:1m -
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EOF
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for d in d{1..4}; do
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test -d "/tmp/ageby/${d}"
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done
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# Check for combinations.
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touch -a -m --date "5 seconds ago" /tmp/ageby/d{1,2}
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systemd-tmpfiles --clean - <<-EOF
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e /tmp/ageby/ - - - AM:4s -
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EOF
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for d in d{1,2}; do
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test ! -d "/tmp/ageby/${d}"
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done
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for d in d{3,4}; do
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test -d "/tmp/ageby/${d}"
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done
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# Check "btime" for directories.
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if [[ $TEST_TMPFILES_AGEBY_BTIME -gt 0 ]]; then
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby/ - - - B:8s -
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EOF
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for d in d{3,4}; do
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test -d "/tmp/ageby/${d}"
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done
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fi
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# To bump "atime".
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touch -a --date "1 second ago" /tmp/ageby/d3
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby/ - - - A:2s -
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EOF
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test -d /tmp/ageby/d3
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test ! -d /tmp/ageby/d4
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# Check if sub-directories are removed regardless
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# of "age-by", when "Age" is set to "0".
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systemd-tmpfiles --clean - <<-EOF
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D /tmp/ageby/ - - - AM:0 -
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EOF
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test ! -d /tmp/ageby/d3
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# Cleanup the test directory (fail if not empty).
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rmdir /tmp/ageby
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# Removing an old child directory should restore the parent directory mtime.
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rm -rf /tmp/ageby-mtime
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mkdir -p /tmp/ageby-mtime/old-child
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touch --date "2020-01-01 00:00:00" /tmp/ageby-mtime/old-child /tmp/ageby-mtime
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before="$(stat -c %Y /tmp/ageby-mtime)"
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby-mtime - - - M:1s
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EOF
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after="$(stat -c %Y /tmp/ageby-mtime)"
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test "$before" = "$after"
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test ! -e /tmp/ageby-mtime/old-child
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rmdir /tmp/ageby-mtime
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# r/R entries honor age when cleaning.
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rm -rf /tmp/ageby-remove
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mkdir -p /tmp/ageby-remove/old-dir/child /tmp/ageby-remove/new-dir/child \
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/tmp/ageby-remove/old-empty-dir /tmp/ageby-remove/new-empty-dir
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touch /tmp/ageby-remove/old-file /tmp/ageby-remove/new-file \
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/tmp/ageby-remove/old-recursive-file /tmp/ageby-remove/new-recursive-file
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touch --date "3 minutes ago" \
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/tmp/ageby-remove/old-file \
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/tmp/ageby-remove/old-recursive-file \
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/tmp/ageby-remove/old-dir/child \
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/tmp/ageby-remove/old-dir \
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/tmp/ageby-remove/old-empty-dir
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output="$(systemd-tmpfiles --dry-run --clean - 2>&1 <<-EOF
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r /tmp/ageby-remove/old-file - - - m:1m -
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r /tmp/ageby-remove/new-file - - - m:1m -
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R /tmp/ageby-remove/old-recursive-file - - - m:1m -
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R /tmp/ageby-remove/new-recursive-file - - - m:1m -
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R /tmp/ageby-remove/old-dir - - - M:1m -
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R /tmp/ageby-remove/new-dir - - - M:1m -
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R /tmp/ageby-remove/old-empty-dir - - - M:1m -
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R /tmp/ageby-remove/new-empty-dir - - - M:1m -
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EOF
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)"
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[[ "$output" == *"Would remove directory \"/tmp/ageby-remove/old-dir\""* ]]
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[[ "$output" != *"Would remove directory \"/tmp/ageby-remove/new-dir\""* ]]
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[[ "$output" == *"Would remove directory \"/tmp/ageby-remove/old-empty-dir\""* ]]
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[[ "$output" != *"Would remove directory \"/tmp/ageby-remove/new-empty-dir\""* ]]
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test -e /tmp/ageby-remove/old-file
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test -e /tmp/ageby-remove/new-file
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test -e /tmp/ageby-remove/old-recursive-file
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test -e /tmp/ageby-remove/new-recursive-file
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test -d /tmp/ageby-remove/old-dir
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test -d /tmp/ageby-remove/old-dir/child
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test -d /tmp/ageby-remove/new-dir
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test -d /tmp/ageby-remove/new-dir/child
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test -d /tmp/ageby-remove/old-empty-dir
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test -d /tmp/ageby-remove/new-empty-dir
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systemd-tmpfiles --clean - <<-EOF
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r /tmp/ageby-remove/old-file - - - m:1m -
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r /tmp/ageby-remove/new-file - - - m:1m -
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R /tmp/ageby-remove/old-recursive-file - - - m:1m -
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R /tmp/ageby-remove/new-recursive-file - - - m:1m -
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R /tmp/ageby-remove/old-dir - - - M:1m -
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R /tmp/ageby-remove/new-dir - - - M:1m -
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R /tmp/ageby-remove/old-empty-dir - - - M:1m -
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R /tmp/ageby-remove/new-empty-dir - - - M:1m -
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EOF
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test ! -e /tmp/ageby-remove/old-file
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test -e /tmp/ageby-remove/new-file
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test ! -e /tmp/ageby-remove/old-recursive-file
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test -e /tmp/ageby-remove/new-recursive-file
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test ! -e /tmp/ageby-remove/old-dir
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test -d /tmp/ageby-remove/new-dir
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test -d /tmp/ageby-remove/new-dir/child
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test ! -e /tmp/ageby-remove/old-empty-dir
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test -d /tmp/ageby-remove/new-empty-dir
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# Aged r cleanup removes empty directories but not non-empty or too-new directories.
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mkdir -p /tmp/ageby-remove/old-r-empty-dir \
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/tmp/ageby-remove/new-r-empty-dir \
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/tmp/ageby-remove/old-r-nonempty-dir/child
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touch --date "3 minutes ago" \
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/tmp/ageby-remove/old-r-empty-dir \
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/tmp/ageby-remove/old-r-nonempty-dir
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output="$(systemd-tmpfiles --dry-run --clean - 2>&1 <<-EOF
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r /tmp/ageby-remove/old-r-empty-dir - - - M:1m -
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r /tmp/ageby-remove/new-r-empty-dir - - - M:1m -
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r /tmp/ageby-remove/old-r-nonempty-dir - - - M:1m -
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EOF
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)"
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[[ "$output" == *"Would remove directory \"/tmp/ageby-remove/old-r-empty-dir\""* ]]
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[[ "$output" != *"Would remove directory \"/tmp/ageby-remove/new-r-empty-dir\""* ]]
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[[ "$output" != *"Would remove directory \"/tmp/ageby-remove/old-r-nonempty-dir\""* ]]
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systemd-tmpfiles --clean - <<-EOF
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r /tmp/ageby-remove/old-r-empty-dir - - - M:1m -
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r /tmp/ageby-remove/new-r-empty-dir - - - M:1m -
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r /tmp/ageby-remove/old-r-nonempty-dir - - - M:1m -
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EOF
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test ! -e /tmp/ageby-remove/old-r-empty-dir
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test -d /tmp/ageby-remove/new-r-empty-dir
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test -d /tmp/ageby-remove/old-r-nonempty-dir/child
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# Aged R cleanup keeps the top-level directory if a child is too new.
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mkdir -p /tmp/ageby-remove/old-dir-new-child/new-child
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touch --date "3 minutes ago" /tmp/ageby-remove/old-dir-new-child
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systemd-tmpfiles --clean --inline "R /tmp/ageby-remove/old-dir-new-child - - - M:1m -"
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test -d /tmp/ageby-remove/old-dir-new-child/new-child
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(! systemd-tmpfiles --clean --inline "r /tmp/ageby-remove/new-file - - - ~1m -")
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# The ~ age modifier on R keeps the target and its immediate children.
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mkdir -p /tmp/ageby-remove/keep-root/old-child/grandchild
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touch --date "3 minutes ago" \
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/tmp/ageby-remove/keep-root \
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/tmp/ageby-remove/keep-root/old-child \
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/tmp/ageby-remove/keep-root/old-child/grandchild
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systemd-tmpfiles --clean --inline "R /tmp/ageby-remove/keep-root - - - ~M:1m -"
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test -d /tmp/ageby-remove/keep-root
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test -d /tmp/ageby-remove/keep-root/old-child
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test ! -e /tmp/ageby-remove/keep-root/old-child/grandchild
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# Aged r/R cleanup skips locked files.
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touch /tmp/ageby-remove/locked-file /tmp/ageby-remove/locked-recursive-file
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touch --date "3 minutes ago" /tmp/ageby-remove/locked-file /tmp/ageby-remove/locked-recursive-file
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exec {lock_fd}<>/tmp/ageby-remove/locked-file
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exec {recursive_lock_fd}<>/tmp/ageby-remove/locked-recursive-file
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flock --exclusive "$lock_fd"
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flock --exclusive "$recursive_lock_fd"
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systemd-tmpfiles --clean - <<-EOF
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r /tmp/ageby-remove/locked-file - - - m:1m -
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R /tmp/ageby-remove/locked-recursive-file - - - m:1m -
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EOF
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test -e /tmp/ageby-remove/locked-file
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test -e /tmp/ageby-remove/locked-recursive-file
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exec {lock_fd}>&-
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exec {recursive_lock_fd}>&-
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systemd-tmpfiles --clean - <<-EOF
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r /tmp/ageby-remove/locked-file - - - m:1m -
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R /tmp/ageby-remove/locked-recursive-file - - - m:1m -
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EOF
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test ! -e /tmp/ageby-remove/locked-file
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test ! -e /tmp/ageby-remove/locked-recursive-file
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# Aged r cleanup skips locked directories.
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mkdir -p /tmp/ageby-remove/locked-r-dir
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touch --date "3 minutes ago" /tmp/ageby-remove/locked-r-dir
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flock --exclusive /tmp/ageby-remove/locked-r-dir systemd-tmpfiles --clean --inline \
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"r /tmp/ageby-remove/locked-r-dir - - - M:1m -"
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test -d /tmp/ageby-remove/locked-r-dir
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systemd-tmpfiles --clean --inline "r /tmp/ageby-remove/locked-r-dir - - - M:1m -"
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test ! -e /tmp/ageby-remove/locked-r-dir
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# Aged R cleanup skips locked directories and everything below them.
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mkdir -p /tmp/ageby-remove/locked-dir/child
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touch --date "3 minutes ago" /tmp/ageby-remove/locked-dir /tmp/ageby-remove/locked-dir/child
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flock --exclusive /tmp/ageby-remove/locked-dir systemd-tmpfiles --clean --inline \
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"R /tmp/ageby-remove/locked-dir - - - M:1m -"
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test -d /tmp/ageby-remove/locked-dir/child
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systemd-tmpfiles --clean --inline "R /tmp/ageby-remove/locked-dir - - - M:1m -"
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test ! -e /tmp/ageby-remove/locked-dir
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rm -rf /tmp/ageby-remove
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# X entries inherit the parent cleanup age and its age-by fields.
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rm -rf /tmp/ageby-x-inherit
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mkdir -p /tmp/ageby-x-inherit/parent/child /tmp/ageby-x-inherit/parent/other
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printf old >/tmp/ageby-x-inherit/parent/child/file
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printf old >/tmp/ageby-x-inherit/parent/other/file
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touch --date "3 days ago" /tmp/ageby-x-inherit/parent/child/file /tmp/ageby-x-inherit/parent/other/file
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systemd-tmpfiles --clean - <<-EOF
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d /tmp/ageby-x-inherit/parent - - - m:1d
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X /tmp/ageby-x-inherit/parent/child - - - -
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EOF
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test ! -e /tmp/ageby-x-inherit/parent/child/file
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test ! -e /tmp/ageby-x-inherit/parent/other/file
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rm -rf /tmp/ageby-x-inherit
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