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c89b3e1dfd
Prep work for running the integration tests with meson, which requires tests to exit with 77 to indicate they are skipped. Note this only deals with the easy cases where there's only tests. The hard ones where there's subtests of which only some are skipped are left for another PR.
182 lines
6.4 KiB
Bash
Executable File
182 lines
6.4 KiB
Bash
Executable File
#!/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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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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systemd-analyze log-level debug
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# Ensure that the init.scope.d drop-in is applied on boot
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test "$(cat /sys/fs/cgroup/init.scope/memory.high)" != "max"
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# Loose checks to ensure the environment has the necessary features for systemd-oomd
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[[ -e /proc/pressure ]] || echo "no PSI" >>/skipped
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[[ "$(get_cgroup_hierarchy)" == "unified" ]] || echo "no cgroupsv2" >>/skipped
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[[ -x /usr/lib/systemd/systemd-oomd ]] || echo "no oomd" >>/skipped
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if [[ -s /skipped ]]; then
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exit 77
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fi
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rm -rf /run/systemd/system/testsuite-55-testbloat.service.d
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# Activate swap file if we are in a VM
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if systemd-detect-virt --vm --quiet; then
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if [[ "$(findmnt -n -o FSTYPE /)" == btrfs ]]; then
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btrfs filesystem mkswapfile -s 64M /swapfile
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else
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dd if=/dev/zero of=/swapfile bs=1M count=64
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chmod 0600 /swapfile
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mkswap /swapfile
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fi
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swapon /swapfile
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swapon --show
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fi
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# Configure oomd explicitly to avoid conflicts with distro dropins
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mkdir -p /run/systemd/oomd.conf.d/
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cat >/run/systemd/oomd.conf.d/99-oomd-test.conf <<EOF
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[OOM]
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DefaultMemoryPressureDurationSec=2s
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EOF
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mkdir -p /run/systemd/system/-.slice.d/
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cat >/run/systemd/system/-.slice.d/99-oomd-test.conf <<EOF
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[Slice]
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ManagedOOMSwap=auto
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EOF
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mkdir -p /run/systemd/system/user@.service.d/
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cat >/run/systemd/system/user@.service.d/99-oomd-test.conf <<EOF
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[Service]
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ManagedOOMMemoryPressure=auto
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ManagedOOMMemoryPressureLimit=0%
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EOF
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mkdir -p /run/systemd/system/systemd-oomd.service.d/
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cat >/run/systemd/system/systemd-oomd.service.d/debug.conf <<EOF
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[Service]
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Environment=SYSTEMD_LOG_LEVEL=debug
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EOF
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systemctl daemon-reload
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# enable the service to ensure dbus-org.freedesktop.oom1.service exists
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# and D-Bus activation works
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systemctl enable systemd-oomd.service
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# if oomd is already running for some reasons, then restart it to make sure the above settings to be applied
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if systemctl is-active systemd-oomd.service; then
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systemctl restart systemd-oomd.service
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fi
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if [[ -v ASAN_OPTIONS || -v UBSAN_OPTIONS ]]; then
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# If we're running with sanitizers, sd-executor might pull in quite a significant chunk of shared
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# libraries, which in turn causes a lot of pressure that can put us in the front when sd-oomd decides to
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# go on a killing spree. This fact is exacerbated further on Arch Linux which ships unstripped gcc-libs,
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# so sd-executor pulls in over 30M of libs on startup. Let's make the MemoryHigh= limit a bit more
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# generous when running with sanitizers to make the test happy.
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systemctl edit --runtime --stdin --drop-in=99-MemoryHigh.conf testsuite-55-testchill.service <<EOF
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[Service]
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MemoryHigh=60M
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EOF
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# Do the same for the user instance as well
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mkdir -p /run/systemd/user/
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cp -rfv /run/systemd/system/testsuite-55-testchill.service.d/ /run/systemd/user/
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else
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# Ensure that we can start services even with a very low hard memory cap without oom-kills, but skip
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# under sanitizers as they balloon memory usage.
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systemd-run -t -p MemoryMax=10M -p MemorySwapMax=0 -p MemoryZSwapMax=0 /bin/true
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fi
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systemctl start testsuite-55-testchill.service
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systemctl start testsuite-55-testbloat.service
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# Verify systemd-oomd is monitoring the expected units
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timeout 1m bash -xec 'until oomctl | grep "/testsuite-55-workload.slice"; do sleep 1; done'
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oomctl | grep "/testsuite-55-workload.slice"
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oomctl | grep "20.00%"
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oomctl | grep "Default Memory Pressure Duration: 2s"
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systemctl status testsuite-55-testchill.service
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# systemd-oomd watches for elevated pressure for 2 seconds before acting.
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# It can take time to build up pressure so either wait 2 minutes or for the service to fail.
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for _ in {0..59}; do
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if ! systemctl status testsuite-55-testbloat.service; then
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break
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fi
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oomctl
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sleep 2
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done
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# testbloat should be killed and testchill should be fine
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if systemctl status testsuite-55-testbloat.service; then exit 42; fi
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if ! systemctl status testsuite-55-testchill.service; then exit 24; fi
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# Make sure we also work correctly on user units.
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loginctl enable-linger testuser
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systemctl start --machine "testuser@.host" --user testsuite-55-testchill.service
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systemctl start --machine "testuser@.host" --user testsuite-55-testbloat.service
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# Verify systemd-oomd is monitoring the expected units
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# Try to avoid racing the oomctl output check by checking in a loop with a timeout
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timeout 1m bash -xec 'until oomctl | grep "/testsuite-55-workload.slice"; do sleep 1; done'
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oomctl | grep -E "/user.slice.*/testsuite-55-workload.slice"
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oomctl | grep "20.00%"
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oomctl | grep "Default Memory Pressure Duration: 2s"
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systemctl --machine "testuser@.host" --user status testsuite-55-testchill.service
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# systemd-oomd watches for elevated pressure for 2 seconds before acting.
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# It can take time to build up pressure so either wait 2 minutes or for the service to fail.
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for _ in {0..59}; do
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if ! systemctl --machine "testuser@.host" --user status testsuite-55-testbloat.service; then
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break
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fi
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oomctl
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sleep 2
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done
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# testbloat should be killed and testchill should be fine
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if systemctl --machine "testuser@.host" --user status testsuite-55-testbloat.service; then exit 42; fi
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if ! systemctl --machine "testuser@.host" --user status testsuite-55-testchill.service; then exit 24; fi
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loginctl disable-linger testuser
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# only run this portion of the test if we can set xattrs
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if cgroupfs_supports_user_xattrs; then
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sleep 120 # wait for systemd-oomd kill cool down and elevated memory pressure to come down
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mkdir -p /run/systemd/system/testsuite-55-testbloat.service.d/
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cat >/run/systemd/system/testsuite-55-testbloat.service.d/override.conf <<EOF
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[Service]
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ManagedOOMPreference=avoid
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EOF
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systemctl daemon-reload
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systemctl start testsuite-55-testchill.service
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systemctl start testsuite-55-testmunch.service
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systemctl start testsuite-55-testbloat.service
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for _ in {0..59}; do
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if ! systemctl status testsuite-55-testmunch.service; then
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break
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fi
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oomctl
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sleep 2
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done
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# testmunch should be killed since testbloat had the avoid xattr on it
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if ! systemctl status testsuite-55-testbloat.service; then exit 25; fi
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if systemctl status testsuite-55-testmunch.service; then exit 43; fi
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if ! systemctl status testsuite-55-testchill.service; then exit 24; fi
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fi
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systemd-analyze log-level info
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touch /testok
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