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test: rename TEST-19-DELEGATE to TEST-19-CGROUP
And clean it up a bit.
This commit is contained in:
Frantisek Sumsal
parent
5ff1c6fcde
commit
3999ea001a
@ -2,8 +2,7 @@
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -e
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TEST_DESCRIPTION="test cgroup delegation in the unified hierarchy"
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TEST_NO_NSPAWN=1
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TEST_DESCRIPTION="Various cgroup-related tests"
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# shellcheck source=test/test-functions
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. "${TEST_BASE_DIR:?}/test-functions"
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102
test/units/testsuite-19.delegate.sh
Executable file
102
test/units/testsuite-19.delegate.sh
Executable file
@ -0,0 +1,102 @@
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#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -eux
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set -o pipefail
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# Test cgroup delegation in the unified hierarchy
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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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if [[ "$(get_cgroup_hierarchy)" != unified ]]; then
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echo "Skipping $0 as we're not running with the unified cgroup hierarchy"
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exit 0
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fi
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at_exit() {
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set +e
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userdel -r test
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}
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systemd-run --wait \
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--unit=test-0.service \
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--property="DynamicUser=1" \
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--property="Delegate=" \
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test -w /sys/fs/cgroup/system.slice/test-0.service/ -a \
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-w /sys/fs/cgroup/system.slice/test-0.service/cgroup.procs -a \
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-w /sys/fs/cgroup/system.slice/test-0.service/cgroup.subtree_control
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systemd-run --wait \
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--unit=test-1.service \
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--property="DynamicUser=1" \
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--property="Delegate=memory pids" \
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grep -q memory /sys/fs/cgroup/system.slice/test-1.service/cgroup.controllers
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systemd-run --wait \
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--unit=test-2.service \
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--property="DynamicUser=1" \
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--property="Delegate=memory pids" \
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grep -q pids /sys/fs/cgroup/system.slice/test-2.service/cgroup.controllers
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# "io" is not among the controllers enabled by default for all units, verify that
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grep -qv io /sys/fs/cgroup/system.slice/cgroup.controllers
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# Run a service with "io" enabled, and verify it works
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systemd-run --wait \
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--unit=test-3.service \
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--property="IOAccounting=yes" \
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--property="Slice=system-foo-bar-baz.slice" \
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grep -q io /sys/fs/cgroup/system.slice/system-foo.slice/system-foo-bar.slice/system-foo-bar-baz.slice/test-3.service/cgroup.controllers
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# We want to check if "io" is removed again from the controllers
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# list. However, PID 1 (rightfully) does this asynchronously. In order
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# to force synchronization on this, let's start a short-lived service
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# which requires PID 1 to refresh the cgroup tree, so that we can
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# verify that this all works.
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systemd-run --wait --unit=test-4.service true
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# And now check again, "io" should have vanished
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grep -qv io /sys/fs/cgroup/system.slice/cgroup.controllers
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# Check that unprivileged delegation works for scopes
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useradd test ||:
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systemd-run --uid=test \
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--property="User=test" \
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--property="Delegate=yes" \
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--slice workload.slice \
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--unit test-workload0.scope\
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--scope \
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test -w /sys/fs/cgroup/workload.slice/test-workload0.scope -a \
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-w /sys/fs/cgroup/workload.slice/test-workload0.scope/cgroup.procs -a \
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-w /sys/fs/cgroup/workload.slice/test-workload0.scope/cgroup.subtree_control
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# Verify that DelegateSubgroup= affects ownership correctly
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unit="test-subgroup-$RANDOM.service"
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systemd-run --wait \
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--unit="$unit" \
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--property="DynamicUser=1" \
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--property="Delegate=pids" \
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--property="DelegateSubgroup=foo" \
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test -w "/sys/fs/cgroup/system.slice/$unit" -a \
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-w "/sys/fs/cgroup/system.slice/$unit/foo"
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# Check that for the subgroup also attributes that aren't covered by
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# regular (i.e. main cgroup) delegation ownership rules are delegated properly
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if test -f /sys/fs/cgroup/cgroup.max.depth; then
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unit="test-subgroup-$RANDOM.service"
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systemd-run --wait \
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--unit="$unit" \
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--property="DynamicUser=1" \
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--property="Delegate=pids" \
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--property="DelegateSubgroup=zzz" \
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test -w "/sys/fs/cgroup/system.slice/$unit/zzz/cgroup.max.depth"
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fi
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# Check that the invoked process itsel is also in the subgroup
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unit="test-subgroup-$RANDOM.service"
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systemd-run --wait \
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--unit="$unit" \
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--property="DynamicUser=1" \
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--property="Delegate=pids" \
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--property="DelegateSubgroup=bar" \
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grep -q -x -F "0::/system.slice/$unit/bar" /proc/self/cgroup
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@ -3,70 +3,12 @@
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set -eux
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set -o pipefail
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test_scope_unpriv_delegation() {
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useradd test ||:
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trap "userdel -r test" RETURN
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: >/failed
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systemd-run --uid=test -p User=test -p Delegate=yes --slice workload.slice --unit test-workload0.scope --scope \
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test -w /sys/fs/cgroup/workload.slice/test-workload0.scope -a \
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-w /sys/fs/cgroup/workload.slice/test-workload0.scope/cgroup.procs -a \
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-w /sys/fs/cgroup/workload.slice/test-workload0.scope/cgroup.subtree_control
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}
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# shellcheck source=test/units/test-control.sh
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. "$(dirname "$0")"/test-control.sh
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if grep -q cgroup2 /proc/filesystems ; then
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systemd-run --wait --unit=test-0.service -p "DynamicUser=1" -p "Delegate=" \
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test -w /sys/fs/cgroup/system.slice/test-0.service/ -a \
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-w /sys/fs/cgroup/system.slice/test-0.service/cgroup.procs -a \
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-w /sys/fs/cgroup/system.slice/test-0.service/cgroup.subtree_control
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run_subtests
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systemd-run --wait --unit=test-1.service -p "DynamicUser=1" -p "Delegate=memory pids" \
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grep -q memory /sys/fs/cgroup/system.slice/test-1.service/cgroup.controllers
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systemd-run --wait --unit=test-2.service -p "DynamicUser=1" -p "Delegate=memory pids" \
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grep -q pids /sys/fs/cgroup/system.slice/test-2.service/cgroup.controllers
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# "io" is not among the controllers enabled by default for all units, verify that
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grep -qv io /sys/fs/cgroup/system.slice/cgroup.controllers
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# Run a service with "io" enabled, and verify it works
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systemd-run --wait --unit=test-3.service -p "IOAccounting=yes" -p "Slice=system-foo-bar-baz.slice" \
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grep -q io /sys/fs/cgroup/system.slice/system-foo.slice/system-foo-bar.slice/system-foo-bar-baz.slice/test-3.service/cgroup.controllers
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# We want to check if "io" is removed again from the controllers
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# list. However, PID 1 (rightfully) does this asynchronously. In order
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# to force synchronization on this, let's start a short-lived service
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# which requires PID 1 to refresh the cgroup tree, so that we can
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# verify that this all works.
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systemd-run --wait --unit=test-4.service true
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# And now check again, "io" should have vanished
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grep -qv io /sys/fs/cgroup/system.slice/cgroup.controllers
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# Check that unprivileged delegation works for scopes
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test_scope_unpriv_delegation
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# Verify that DelegateSubgroup= affects ownership correctly
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U="test-subgroup-$RANDOM.service"
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systemd-run --wait --unit="$U" -p "DynamicUser=1" -p "Delegate=pids" -p "DelegateSubgroup=foo" \
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test -w "/sys/fs/cgroup/system.slice/$U" -a \
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-w "/sys/fs/cgroup/system.slice/$U/foo"
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# Check that for the subgroup also attributes that aren't covered by
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# regular (i.e. main cgroup) delegation ownership rules are delegated properly
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if test -f /sys/fs/cgroup/cgroup.max.depth ; then
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U="test-subgroup-$RANDOM.service"
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systemd-run --wait --unit="$U" -p "DynamicUser=1" -p "Delegate=pids" -p "DelegateSubgroup=zzz" \
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test -w "/sys/fs/cgroup/system.slice/$U/zzz/cgroup.max.depth"
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fi
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# Check that the invoked process itsel is also in the subgroup
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U="test-subgroup-$RANDOM.service"
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systemd-run --wait --unit="$U" -p "DynamicUser=1" -p "Delegate=pids" -p "DelegateSubgroup=bar" \
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grep -q -x -F "0::/system.slice/$U/bar" /proc/self/cgroup
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else
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echo "Skipping TEST-19-DELEGATE, as the kernel doesn't actually support cgroup v2" >&2
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fi
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echo OK >/testok
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exit 0
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touch /testok
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rm /failed
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