ctdb/tests/UNIT/cunit/cluster_mutex_002.sh

   1 #!/bin/sh
   2
   3 # This tests the fcntl helper, externally configured via !
   4
   5 . "${TEST_SCRIPTS_DIR}/unit.sh"
   6
   7 export CTDB_CLUSTER_MUTEX_HELPER="/bin/false"
   8
   9 lockfile="${CTDB_TEST_TMP_DIR}/cluster_mutex.lockfile"
  10 trap 'rm ${lockfile}' 0
  11
  12 t="${CTDB_SCRIPTS_HELPER_BINDIR}/ctdb_mutex_fcntl_helper"
  13 helper="!${t} ${lockfile}"
  14
  15 test_case "No contention: lock, unlock"
  16 ok <<EOF
  17 LOCK
  18 UNLOCK
  19 EOF
  20 unit_test cluster_mutex_test lock-unlock "$helper"
  21
  22 test_case "Contention: lock, lock, unlock"
  23 ok <<EOF
  24 LOCK
  25 CONTENTION
  26 NOLOCK
  27 UNLOCK
  28 EOF
  29 unit_test cluster_mutex_test lock-lock-unlock "$helper"
  30
  31 test_case "No contention: lock, unlock, lock, unlock"
  32 ok <<EOF
  33 LOCK
  34 UNLOCK
  35 LOCK
  36 UNLOCK
  37 EOF
  38 unit_test cluster_mutex_test lock-unlock-lock-unlock "$helper"
  39
  40 test_case "Cancelled: unlock while lock still in progress"
  41 ok <<EOF
  42 CANCEL
  43 NOLOCK
  44 EOF
  45 unit_test cluster_mutex_test lock-cancel-check "$helper"
  46
  47 test_case "Cancelled: unlock while lock still in progress, unlock again"
  48 ok <<EOF
  49 CANCEL
  50 UNLOCK
  51 EOF
  52 unit_test cluster_mutex_test lock-cancel-unlock "$helper"
  53
  54 test_case "PPID doesn't go away: lock, wait, unlock"
  55 ok <<EOF
  56 LOCK
  57 UNLOCK
  58 EOF
  59 unit_test cluster_mutex_test lock-wait-unlock "$helper"
  60
  61 test_case "PPID goes away: lock, wait, lock, unlock"
  62 ok <<EOF
  63 LOCK
  64 parent gone
  65 LOCK
  66 UNLOCK
  67 EOF
  68 unit_test cluster_mutex_test lock-ppid-gone-lock-unlock "$helper"
  69
  70 test_case "Recheck off, lock file removed"
  71 ok <<EOF
  72 LOCK
  73 LOCK
  74 UNLOCK
  75 UNLOCK
  76 EOF
  77 unit_test cluster_mutex_test lock-file-removed-no-recheck \
  78           "$helper 0" "$lockfile"
  79
  80 test_case "Recheck on, lock file not removed"
  81 ok <<EOF
  82 LOCK
  83 UNLOCK
  84 EOF
  85 unit_test cluster_mutex_test lock-file-wait-recheck-unlock \
  86           "$helper 5" 10
  87
  88 test_case "Recheck on, lock file removed"
  89 ok <<EOF
  90 LOCK
  91 ctdb_mutex_fcntl_helper: lock lost - lock file "${lockfile}" open failed (ret=2)
  92 LOST
  93 EOF
  94 unit_test cluster_mutex_test lock-file-removed "$helper 5" "$lockfile"
  95
  96 test_case "Recheck on, lock file replaced"
  97 ok <<EOF
  98 LOCK
  99 ctdb_mutex_fcntl_helper: lock lost - lock file "${lockfile}" inode changed
 100 LOST
 101 EOF
 102 unit_test cluster_mutex_test lock-file-changed "$helper 10" "$lockfile"