test/units/testsuite-60.sh

   1 #!/usr/bin/env bash
   2 set -eux
   3 set -o pipefail
   4
   5 systemd-analyze log-level debug
   6 systemd-analyze log-target journal
   7
   8 NUM_DIRS=20
   9
  10 # mount/unmount enough times to trigger the /proc/self/mountinfo parsing rate limiting
  11
  12 for ((i = 0; i < NUM_DIRS; i++)); do
  13     mkdir "/tmp/meow${i}"
  14 done
  15
  16 for ((i = 0; i < NUM_DIRS; i++)); do
  17     mount -t tmpfs tmpfs "/tmp/meow${i}"
  18 done
  19
  20 systemctl daemon-reload
  21 systemctl list-units -t mount tmp-meow* | grep -q tmp-meow
  22
  23 for ((i = 0; i < NUM_DIRS; i++)); do
  24     umount "/tmp/meow${i}"
  25 done
  26
  27 # figure out if we have entered the rate limit state
  28
  29 entered_rl=0
  30 exited_rl=0
  31 timeout="$(date -ud "2 minutes" +%s)"
  32 while [[ $(date -u +%s) -le ${timeout} ]]; do
  33     if journalctl -u init.scope | grep -q "(mount-monitor-dispatch) entered rate limit"; then
  34         entered_rl=1
  35         break
  36     fi
  37     sleep 5
  38 done
  39
  40 # if the infra is slow we might not enter the rate limit state; in that case skip the exit check
  41
  42 if [ "${entered_rl}" = "1" ]; then
  43     exited_rl=0
  44     timeout="$(date -ud "2 minutes" +%s)"
  45     while [[ $(date -u +%s) -le ${timeout} ]]; do
  46         if journalctl -u init.scope | grep -q "(mount-monitor-dispatch) left rate limit"; then
  47             exited_rl=1
  48             break
  49         fi
  50         sleep 5
  51     done
  52
  53     if [ "${exited_rl}" = "0" ]; then
  54         exit 24
  55     fi
  56 fi
  57
  58 # give some time for units to settle so we don't race between exiting the rate limit state and cleaning up the units
  59
  60 sleep 60
  61 systemctl daemon-reload
  62 sleep 60
  63
  64 # verify that the mount units are always cleaned up at the end
  65
  66 if systemctl list-units -t mount tmp-meow* | grep -q tmp-meow; then
  67     exit 42
  68 fi
  69
  70 systemd-analyze log-level info
  71
  72 echo OK >/testok
  73
  74 exit 0