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test: extend test 19 to also verify DelegateSubgroup= works

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This commit is contained in:
Lennart Poettering 2023-04-27 14:15:50 +02:00
parent 1a3704dcc3
commit 969f5f3cea
1 changed files with 18 additions and 0 deletions
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18
test/units/testsuite-19.sh
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@ -45,6 +45,24 @@ if grep -q cgroup2 /proc/filesystems ; then
# Check that unprivileged delegation works for scopes
test_scope_unpriv_delegation
# Verify that DelegateSubgroup= affects ownership correctly
U="testsubgroup-$RANDOM.service"
systemd-run --wait --unit="$U" -p "DynamicUser=1" -p "Delegate=pids" -p "DelegateSubgroup=foo" \
test -w "/sys/fs/cgroup/system.slice/$U" -a \
-w "/sys/fs/cgroup/system.slice/$U/foo"
# Check that for the subgroup also attributes that aren't covered by
# regular (i.e. main cgroup) delegation ownership rules are delegated properly
if test -f /sys/fs/cgroup/cgroup.max.depth ; then
U="testsubgroup-$RANDOM.service"
systemd-run --wait --unit="$U" -p "DynamicUser=1" -p "Delegate=pids" -p "DelegateSubgroup=zzz" \
test -w "/sys/fs/cgroup/system.slice/$U/zzz/cgroup.max.depth"
fi
# Check that the invoked process itsel is also in the subgroup
U="testsubgroup-$RANDOM.service"
systemd-run --wait --unit="$U" -p "DynamicUser=1" -p "Delegate=pids" -p "DelegateSubgroup=bar" \
grep -q -x -F "0::/system.slice/$U/bar" /proc/self/cgroup
else
echo "Skipping TEST-19-DELEGATE, as the kernel doesn't actually support cgroup v2" >&2
fi