test/TEST-19-DELEGATE/testsuite.sh

   1 #!/bin/bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4 set -ex
   5 set -o pipefail
   6
   7 if grep -q cgroup2 /proc/filesystems ; then
   8         systemd-run --wait --unit=test0.service -p "DynamicUser=1" -p "Delegate=" \
   9                     test -w /sys/fs/cgroup/system.slice/test0.service/ -a \
  10                     -w /sys/fs/cgroup/system.slice/test0.service/cgroup.procs -a \
  11                     -w /sys/fs/cgroup/system.slice/test0.service/cgroup.subtree_control
  12
  13         systemd-run --wait --unit=test1.service -p "DynamicUser=1" -p "Delegate=memory pids" \
  14                     grep -q memory /sys/fs/cgroup/system.slice/test1.service/cgroup.controllers
  15
  16         systemd-run --wait --unit=test2.service -p "DynamicUser=1" -p "Delegate=memory pids" \
  17                     grep -q pids /sys/fs/cgroup/system.slice/test2.service/cgroup.controllers
  18
  19         # "io" is not among the controllers enabled by default for all units, verify that
  20         grep -qv io /sys/fs/cgroup/system.slice/cgroup.controllers
  21
  22         # Run a service with "io" enabled, and verify it works
  23         systemd-run --wait --unit=test3.service -p "IOAccounting=yes" -p "Slice=system-foo-bar-baz.slice"  \
  24                     grep -q io /sys/fs/cgroup/system.slice/system-foo.slice/system-foo-bar.slice/system-foo-bar-baz.slice/test3.service/cgroup.controllers
  25
  26         # We want to check if "io" is removed again from the controllers
  27         # list. However, PID 1 (rightfully) does this asynchronously. In order
  28         # to force synchronization on this, let's start a short-lived service
  29         # which requires PID 1 to refresh the cgroup tree, so that we can
  30         # verify that this all works.
  31         systemd-run --wait --unit=test4.service true
  32
  33         # And now check again, "io" should have vanished
  34         grep -qv io /sys/fs/cgroup/system.slice/cgroup.controllers
  35 else
  36         echo "Skipping TEST-19-DELEGATE, as the kernel doesn't actually support cgroup v2" >&2
  37 fi
  38
  39 echo OK > /testok
  40
  41 exit 0