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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
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systemd-analyze log-level debug
# Ensure that the init.scope.d drop-in is applied on boot
test "$(cat /sys/fs/cgroup/init.scope/memory.high)" != "max"
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# Loose checks to ensure the environment has the necessary features for systemd-oomd
[[ -e /proc/pressure ]] || echo "no PSI" >>/skipped
[[ "$(get_cgroup_hierarchy)" == "unified" ]] || echo "no cgroupsv2" >>/skipped
[[ -x /usr/lib/systemd/systemd-oomd ]] || echo "no oomd" >>/skipped
if [[ -s /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
if [[ "$(findmnt -n -o FSTYPE /)" == btrfs ]]; then
btrfs filesystem mkswapfile -s 64M /swapfile
else
dd if=/dev/zero of=/swapfile bs=1M count=64
chmod 0600 /swapfile
mkswap /swapfile
fi
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
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systemctl start testsuite-55-testchill.service
systemctl start testsuite-55-testbloat.service
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# Verify systemd-oomd is monitoring the expected units
timeout 1m bash -xec 'until oomctl | grep "/testsuite-55-workload.slice"; do sleep 1; done'
oomctl | grep "/testsuite-55-workload.slice"
oomctl | grep "20.00%"
oomctl | grep "Default Memory Pressure Duration: 2s"
systemctl status testsuite-55-testchill.service
# 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.
for _ in {0..59}; do
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if ! systemctl status testsuite-55-testbloat.service; then
break
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fi
oomctl
sleep 2
done
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# 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.
test: temporarily enable session lingering for the test user #2 Similarly to bbac11c993 we need to enable session lingering for the test user, so the long-running test units are not killed prematurely: [ 18.822261] testsuite-55.sh[403]: + systemctl start --machine testuser@.host --user testsuite-55-testchill.service [ 18.852775] systemd[1]: Started run-u17.service. [ 19.256431] (o-bridge)[526]: pam_unix(login:session): session opened for user testuser(uid=4711) by testuser(uid=0) [ 19.288346] systemd[1]: Started session-2.scope. [ 20.165874] systemd[392]: Created slice session.slice. [ 20.166459] systemd[392]: Starting dbus-broker.service... [ 20.220189] dbus-broker-launch[529]: Policy to allow eavesdropping in /usr/share/dbus-1/session.conf +31: Eavesdropping is deprecated and ignored [ 20.220189] dbus-broker-launch[529]: Policy to allow eavesdropping in /usr/share/dbus-1/session.conf +33: Eavesdropping is deprecated and ignored [ 20.220494] systemd[392]: Started dbus-broker.service. [ 20.224276] dbus-broker-launch[529]: Ready [ 20.231702] systemd[392]: Created slice testsuite.slice. [ 20.231976] systemd[392]: Created slice testsuite-55.slice. [ 20.232259] systemd[392]: Created slice testsuite-55-workload.slice. [ 31.065294] testsuite-55.sh[403]: + systemctl start --machine testuser@.host --user testsuite-55-testbloat.service [ 31.065641] (sd-pam)[528]: pam_unix(login:session): session closed for user testuser [ 31.066103] (sd-pam)[528]: pam_systemd(login:session): Failed to release session: Access denied [ 31.066152] systemd[392]: Started testsuite-55-testchill.service. [ 31.068062] systemd[1]: run-u17.service: Deactivated successfully. [ 31.068217] dbus-broker[389]: A security policy denied :1.20 to send method call /org/freedesktop/login1:org.freedesktop.login1.Manager.ReleaseSession to org.freedesktop.login1. [ 31.075901] (o-bridge)[537]: pam_unix(login:session): session opened for user testuser(uid=4711) by testuser(uid=0) [ 31.091098] systemd[1]: Stopping session-2.scope... [ 31.092158] systemd[1]: Started run-u21.service. [ 31.092993] systemd[1]: session-2.scope: Deactivated successfully. [ 31.093287] systemd[1]: Stopped session-2.scope. [ 31.095798] systemd[1]: Stopping user@4711.service... [ 31.103541] systemd[392]: Activating special unit exit.target... [ 31.108359] systemd[392]: Stopped target default.target. [ 31.109798] systemd[392]: Stopped target timers.target. [ 31.110790] systemd[392]: Stopping testsuite-55-testchill.service... [ 31.112154] systemd[392]: Stopped testsuite-55-testchill.service. [ 31.114033] systemd[392]: Removed slice testsuite-55-workload.slice. [ 31.114971] systemd[392]: Removed slice testsuite-55.slice. [ 31.115858] systemd[392]: Removed slice testsuite.slice. ... [ 31.475949] testsuite-55.sh[403]: + systemctl --machine testuser@.host --user status testsuite-55-testchill.service [ 31.490464] systemd[1]: session-3.scope: Deactivated successfully. [ 31.565929] systemd[1]: Started run-u33.service. [ 31.592437] (o-bridge)[583]: pam_unix(login:session): session opened for user testuser(uid=4711) by testuser(uid=0) [ 31.610210] systemd[1]: Started session-5.scope. [ 31.616960] testsuite-55.sh[578]: ○ testsuite-55-testchill.service - No memory pressure [ 31.616960] testsuite-55.sh[578]: Loaded: loaded (/usr/lib/systemd/tests/testdata/units/testsuite-55-testchill.service; static) [ 31.616960] testsuite-55.sh[578]: Active: inactive (dead) [ 31.617438] (sd-pam)[586]: pam_unix(login:session): session closed for user testuser Addresses https://github.com/systemd/systemd/pull/31426#issuecomment-1956436844. (cherry picked from commit ff80bd2d6daf6c83592ba084e6241eb92e53ec7f) (cherry picked from commit 51b1a49426b2ccc8f1bc63b203717212d0ff8e63) (cherry picked from commit e6db5ac9b1ae2b8721eff27405f7d3e8c05c4642)
2024-02-21 15:42:35 +01:00
loginctl enable-linger testuser
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
timeout 1m bash -xec 'until oomctl | grep "/testsuite-55-workload.slice"; do sleep 1; done'
oomctl | grep -E "/user.slice.*/testsuite-55-workload.slice"
oomctl | grep "20.00%"
oomctl | grep "Default Memory Pressure Duration: 2s"
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.
for _ in {0..59}; 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
test: temporarily enable session lingering for the test user #2 Similarly to bbac11c993 we need to enable session lingering for the test user, so the long-running test units are not killed prematurely: [ 18.822261] testsuite-55.sh[403]: + systemctl start --machine testuser@.host --user testsuite-55-testchill.service [ 18.852775] systemd[1]: Started run-u17.service. [ 19.256431] (o-bridge)[526]: pam_unix(login:session): session opened for user testuser(uid=4711) by testuser(uid=0) [ 19.288346] systemd[1]: Started session-2.scope. [ 20.165874] systemd[392]: Created slice session.slice. [ 20.166459] systemd[392]: Starting dbus-broker.service... [ 20.220189] dbus-broker-launch[529]: Policy to allow eavesdropping in /usr/share/dbus-1/session.conf +31: Eavesdropping is deprecated and ignored [ 20.220189] dbus-broker-launch[529]: Policy to allow eavesdropping in /usr/share/dbus-1/session.conf +33: Eavesdropping is deprecated and ignored [ 20.220494] systemd[392]: Started dbus-broker.service. [ 20.224276] dbus-broker-launch[529]: Ready [ 20.231702] systemd[392]: Created slice testsuite.slice. [ 20.231976] systemd[392]: Created slice testsuite-55.slice. [ 20.232259] systemd[392]: Created slice testsuite-55-workload.slice. [ 31.065294] testsuite-55.sh[403]: + systemctl start --machine testuser@.host --user testsuite-55-testbloat.service [ 31.065641] (sd-pam)[528]: pam_unix(login:session): session closed for user testuser [ 31.066103] (sd-pam)[528]: pam_systemd(login:session): Failed to release session: Access denied [ 31.066152] systemd[392]: Started testsuite-55-testchill.service. [ 31.068062] systemd[1]: run-u17.service: Deactivated successfully. [ 31.068217] dbus-broker[389]: A security policy denied :1.20 to send method call /org/freedesktop/login1:org.freedesktop.login1.Manager.ReleaseSession to org.freedesktop.login1. [ 31.075901] (o-bridge)[537]: pam_unix(login:session): session opened for user testuser(uid=4711) by testuser(uid=0) [ 31.091098] systemd[1]: Stopping session-2.scope... [ 31.092158] systemd[1]: Started run-u21.service. [ 31.092993] systemd[1]: session-2.scope: Deactivated successfully. [ 31.093287] systemd[1]: Stopped session-2.scope. [ 31.095798] systemd[1]: Stopping user@4711.service... [ 31.103541] systemd[392]: Activating special unit exit.target... [ 31.108359] systemd[392]: Stopped target default.target. [ 31.109798] systemd[392]: Stopped target timers.target. [ 31.110790] systemd[392]: Stopping testsuite-55-testchill.service... [ 31.112154] systemd[392]: Stopped testsuite-55-testchill.service. [ 31.114033] systemd[392]: Removed slice testsuite-55-workload.slice. [ 31.114971] systemd[392]: Removed slice testsuite-55.slice. [ 31.115858] systemd[392]: Removed slice testsuite.slice. ... [ 31.475949] testsuite-55.sh[403]: + systemctl --machine testuser@.host --user status testsuite-55-testchill.service [ 31.490464] systemd[1]: session-3.scope: Deactivated successfully. [ 31.565929] systemd[1]: Started run-u33.service. [ 31.592437] (o-bridge)[583]: pam_unix(login:session): session opened for user testuser(uid=4711) by testuser(uid=0) [ 31.610210] systemd[1]: Started session-5.scope. [ 31.616960] testsuite-55.sh[578]: ○ testsuite-55-testchill.service - No memory pressure [ 31.616960] testsuite-55.sh[578]: Loaded: loaded (/usr/lib/systemd/tests/testdata/units/testsuite-55-testchill.service; static) [ 31.616960] testsuite-55.sh[578]: Active: inactive (dead) [ 31.617438] (sd-pam)[586]: pam_unix(login:session): session closed for user testuser Addresses https://github.com/systemd/systemd/pull/31426#issuecomment-1956436844. (cherry picked from commit ff80bd2d6daf6c83592ba084e6241eb92e53ec7f) (cherry picked from commit 51b1a49426b2ccc8f1bc63b203717212d0ff8e63) (cherry picked from commit e6db5ac9b1ae2b8721eff27405f7d3e8c05c4642)
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loginctl disable-linger testuser
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# 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
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systemctl daemon-reload
systemctl start testsuite-55-testchill.service
systemctl start testsuite-55-testmunch.service
systemctl start testsuite-55-testbloat.service
for _ in {0..59}; do
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if ! systemctl status testsuite-55-testmunch.service; then
break
fi
oomctl
sleep 2
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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