test: add a test case that validates cgroup delegation
This test runs on the unified hierarchy, and ensures that cgroup delegation works properly, i.e. writ access is granted and the requested controllers are enabled.
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include ../Makefile.guess
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all setup clean run:
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@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
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#!/bin/bash
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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set -e
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TEST_DESCRIPTION="test cgroup delegation in the unifier hierarchy"
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TEST_NO_NSPAWN=1
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. $TEST_BASE_DIR/test-functions
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QEMU_TIMEOUT=180
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UNIFIED_CGROUP_HIERARCHY=yes
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test_setup() {
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create_empty_image
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mkdir -p $TESTDIR/root
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mount ${LOOPDEV}p1 $TESTDIR/root
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(
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LOG_LEVEL=5
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eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)
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setup_basic_environment
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# setup the testsuite service
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cat >$initdir/etc/systemd/system/testsuite.service <<EOF
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[Unit]
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Description=Testsuite service
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[Service]
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ExecStart=/bin/bash -x /testsuite.sh
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Type=oneshot
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StandardOutput=tty
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StandardError=tty
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EOF
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cp testsuite.sh $initdir/
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setup_testsuite
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) || return 1
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ddebug "umount $TESTDIR/root"
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umount $TESTDIR/root
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}
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do_test "$@"
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#!/bin/bash
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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set -ex
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set -o pipefail
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systemd-run --wait --unit=test0.service -p "DynamicUser=1" -p "Delegate=" \
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test -w /sys/fs/cgroup/system.slice/test0.service/ -a \
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-w /sys/fs/cgroup/system.slice/test0.service/cgroup.procs -a \
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-w /sys/fs/cgroup/system.slice/test0.service/cgroup.subtree_control
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systemd-run --wait --unit=test1.service -p "DynamicUser=1" -p "Delegate=memory pids" \
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grep memory /sys/fs/cgroup/system.slice/test1.service/cgroup.controllers
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systemd-run --wait --unit=test2.service -p "DynamicUser=1" -p "Delegate=memory pids" \
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grep pids /sys/fs/cgroup/system.slice/test2.service/cgroup.controllers
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echo OK > /testok
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exit 0
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