diff options
Diffstat (limited to 'test/units/testsuite-55.sh')
| -rwxr-xr-x | test/units/testsuite-55.sh | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/test/units/testsuite-55.sh b/test/units/testsuite-55.sh new file mode 100755 index 0000000..838ba3a --- /dev/null +++ b/test/units/testsuite-55.sh @@ -0,0 +1,179 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +set -eux +set -o pipefail + +systemd-analyze log-level debug + +# Ensure that the init.scope.d drop-in is applied on boot +test "$(cat /sys/fs/cgroup/init.scope/memory.high)" != "max" + +# Loose checks to ensure the environment has the necessary features for systemd-oomd +[[ -e /proc/pressure ]] || echo "no PSI" >>/skipped +cgroup_type="$(stat -fc %T /sys/fs/cgroup/)" +if [[ "$cgroup_type" != *"cgroup2"* ]] && [[ "$cgroup_type" != *"0x63677270"* ]]; then + echo "no cgroup2" >>/skipped +fi +if [ ! -f /usr/lib/systemd/systemd-oomd ] && [ ! -f /lib/systemd/systemd-oomd ]; then + echo "no oomd" >>/skipped +fi + +if [[ -e /skipped ]]; then + exit 0 +fi + +rm -rf /run/systemd/system/testsuite-55-testbloat.service.d + +# Activate swap file if we are in a VM +if systemd-detect-virt --vm --quiet; then + mkswap /swapfile + swapon /swapfile + swapon --show +fi + +# Configure oomd explicitly to avoid conflicts with distro dropins +mkdir -p /run/systemd/oomd.conf.d/ +cat >/run/systemd/oomd.conf.d/99-oomd-test.conf <<EOF +[OOM] +DefaultMemoryPressureDurationSec=2s +EOF + +mkdir -p /run/systemd/system/-.slice.d/ +cat >/run/systemd/system/-.slice.d/99-oomd-test.conf <<EOF +[Slice] +ManagedOOMSwap=auto +EOF + +mkdir -p /run/systemd/system/user@.service.d/ +cat >/run/systemd/system/user@.service.d/99-oomd-test.conf <<EOF +[Service] +ManagedOOMMemoryPressure=auto +ManagedOOMMemoryPressureLimit=0% +EOF + +mkdir -p /run/systemd/system/systemd-oomd.service.d/ +cat >/run/systemd/system/systemd-oomd.service.d/debug.conf <<EOF +[Service] +Environment=SYSTEMD_LOG_LEVEL=debug +EOF + +systemctl daemon-reload + +# enable the service to ensure dbus-org.freedesktop.oom1.service exists +# and D-Bus activation works +systemctl enable systemd-oomd.service + +# if oomd is already running for some reasons, then restart it to make sure the above settings to be applied +if systemctl is-active systemd-oomd.service; then + systemctl restart systemd-oomd.service +fi + +systemctl start testsuite-55-testchill.service +systemctl start testsuite-55-testbloat.service + +# Verify systemd-oomd is monitoring the expected units +# Try to avoid racing the oomctl output check by checking in a loop with a timeout +oomctl_output=$(oomctl) +timeout="$(date -ud "1 minutes" +%s)" +while [[ $(date -u +%s) -le $timeout ]]; do + if grep "/testsuite-55-workload.slice" <<< "$oomctl_output"; then + break + fi + oomctl_output=$(oomctl) + sleep 1 +done + +grep "/testsuite-55-workload.slice" <<< "$oomctl_output" +grep "20.00%" <<< "$oomctl_output" +grep "Default Memory Pressure Duration: 2s" <<< "$oomctl_output" + +systemctl status testsuite-55-testchill.service + +# systemd-oomd watches for elevated pressure for 2 seconds before acting. +# It can take time to build up pressure so either wait 2 minutes or for the service to fail. +timeout="$(date -ud "2 minutes" +%s)" +while [[ $(date -u +%s) -le $timeout ]]; do + if ! systemctl status testsuite-55-testbloat.service; then + break + fi + oomctl + sleep 2 +done + +# testbloat should be killed and testchill should be fine +if systemctl status testsuite-55-testbloat.service; then exit 42; fi +if ! systemctl status testsuite-55-testchill.service; then exit 24; fi + +# Make sure we also work correctly on user units. + +systemctl start --machine "testuser@.host" --user testsuite-55-testchill.service +systemctl start --machine "testuser@.host" --user testsuite-55-testbloat.service + +# Verify systemd-oomd is monitoring the expected units +# Try to avoid racing the oomctl output check by checking in a loop with a timeout +oomctl_output=$(oomctl) +timeout="$(date -ud "1 minutes" +%s)" +while [[ $(date -u +%s) -le $timeout ]]; do + if grep -E "/user.slice.*/testsuite-55-workload.slice" <<< "$oomctl_output"; then + break + fi + oomctl_output=$(oomctl) + sleep 1 +done + +grep -E "/user.slice.*/testsuite-55-workload.slice" <<< "$oomctl_output" +grep "20.00%" <<< "$oomctl_output" +grep "Default Memory Pressure Duration: 2s" <<< "$oomctl_output" + +systemctl --machine "testuser@.host" --user status testsuite-55-testchill.service + +# systemd-oomd watches for elevated pressure for 2 seconds before acting. +# It can take time to build up pressure so either wait 2 minutes or for the service to fail. +timeout="$(date -ud "2 minutes" +%s)" +while [[ $(date -u +%s) -le $timeout ]]; do + if ! systemctl --machine "testuser@.host" --user status testsuite-55-testbloat.service; then + break + fi + oomctl + sleep 2 +done + +# testbloat should be killed and testchill should be fine +if systemctl --machine "testuser@.host" --user status testsuite-55-testbloat.service; then exit 42; fi +if ! systemctl --machine "testuser@.host" --user status testsuite-55-testchill.service; then exit 24; fi + +# only run this portion of the test if we can set xattrs +if setfattr -n user.xattr_test -v 1 /sys/fs/cgroup/; then + sleep 120 # wait for systemd-oomd kill cool down and elevated memory pressure to come down + + mkdir -p /run/systemd/system/testsuite-55-testbloat.service.d/ + cat >/run/systemd/system/testsuite-55-testbloat.service.d/override.conf <<EOF +[Service] +ManagedOOMPreference=avoid +EOF + + systemctl daemon-reload + systemctl start testsuite-55-testchill.service + systemctl start testsuite-55-testmunch.service + systemctl start testsuite-55-testbloat.service + + timeout="$(date -ud "2 minutes" +%s)" + while [[ "$(date -u +%s)" -le "$timeout" ]]; do + if ! systemctl status testsuite-55-testmunch.service; then + break + fi + oomctl + sleep 2 + done + + # testmunch should be killed since testbloat had the avoid xattr on it + if ! systemctl status testsuite-55-testbloat.service; then exit 25; fi + if systemctl status testsuite-55-testmunch.service; then exit 43; fi + if ! systemctl status testsuite-55-testchill.service; then exit 24; fi +fi + +systemd-analyze log-level info + +echo OK >/testok + +exit 0 |