ceph/qa/workunits/fs/misc/rstats.sh

   1 #!/usr/bin/env bash
   2
   3 set -x
   4
   5 timeout=30
   6 old_value=""
   7 new_value=""
   8
   9 wait_until_changed() {
  10         name=$1
  11         wait=0
  12         while [ $wait -lt $timeout ]; do
  13                 new_value=`getfattr --only-value -n ceph.dir.$name .`
  14                 [ $new_value == $old_value ] || return 0
  15                 sleep 1
  16                 wait=$(($wait + 1))
  17         done
  18         return 1
  19 }
  20
  21 check_rctime() {
  22         old_sec=$(echo $old_value | cut -d. -f1)
  23         old_nsec=$(echo $old_value | cut -d. -f2)
  24         new_sec=$(echo $new_value | cut -d. -f1)
  25         new_nsec=$(echo $new_value | cut -d. -f2)
  26         [ "$old_sec" -lt "$new_sec" ] && return 0
  27         [ "$old_sec" -gt "$new_sec" ] && return 1
  28         [ "$old_nsec" -lt "$new_nsec" ] && return 0
  29         return 1
  30 }
  31
  32 # sync(3) does not make ceph-fuse flush dirty caps, because fuse kernel module
  33 # does not notify ceph-fuse about it. Use fsync(3) instead.
  34 fsync_path() {
  35         cmd="import os; fd=os.open(\"$1\", os.O_RDONLY); os.fsync(fd); os.close(fd)"
  36         python -c "$cmd"
  37 }
  38
  39 set -e
  40
  41 mkdir -p rstats_testdir/d1/d2
  42 cd rstats_testdir
  43
  44 # rfiles
  45 old_value=`getfattr --only-value -n ceph.dir.rfiles .`
  46 [ $old_value == 0 ] || false
  47 touch d1/d2/f1
  48 wait_until_changed rfiles
  49 [ $new_value == $(($old_value + 1)) ] || false
  50
  51 # rsubdirs
  52 old_value=`getfattr --only-value -n ceph.dir.rsubdirs .`
  53 [ $old_value == 3 ] || false
  54 mkdir d1/d2/d3
  55 wait_until_changed rsubdirs
  56 [ $new_value == $(($old_value + 1)) ] || false
  57
  58 # rbytes
  59 old_value=`getfattr --only-value -n ceph.dir.rbytes .`
  60 [ $old_value == 0 ] || false
  61 echo hello > d1/d2/f2
  62 fsync_path d1/d2/f2
  63 wait_until_changed rbytes
  64 [ $new_value == $(($old_value + 6)) ] || false
  65
  66 #rctime
  67 old_value=`getfattr --only-value -n ceph.dir.rctime .`
  68 touch d1/d2/d3 # touch existing file
  69 fsync_path d1/d2/d3
  70 wait_until_changed rctime
  71 check_rctime
  72
  73 old_value=`getfattr --only-value -n ceph.dir.rctime .`
  74 touch d1/d2/f3 # create new file
  75 wait_until_changed rctime
  76 check_rctime
  77
  78 cd ..
  79 rm -rf rstats_testdir
  80 echo OK