debian/tests/kernel-smoke-test-snapshot

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2016 Canonical
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License
   7 # as published by the Free Software Foundation; either version 2
   8 # of the License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18 #
  19 echo -n "kernel smoke test, ZFS snapshot: "
  20 TMP=/tmp
  21 VDEV0=${TMP}/pool0-$$.img
  22 VDEV1=${TMP}/pool1-$$.img
  23 POOL=pool-smoke-$$
  24 MARKER=/${POOL}/test/marker
  25
  26 dd if=/dev/zero of=${VDEV0} bs=1M count=512 > /dev/null 2>&1
  27 dd if=/dev/zero of=${VDEV1} bs=1M count=512 > /dev/null 2>&1
  28
  29 zpool create ${POOL} ${VDEV0} ${VDEV1}
  30 ret=$?
  31 if [ $ret -ne 0 ]; then
  32         echo "FAILED: zpool create failed, exit code=$ret"
  33         rm ${VDEV0} ${VDEV1}
  34         exit 1
  35 fi
  36
  37 zfs create ${POOL}/test
  38 ret=$?
  39 if [ $ret -ne 0 ]; then
  40         echo "FAILED: zfs create failed, exit code=$ret"
  41         zpool destroy ${POOL}
  42         rm ${VDEV0} ${VDEV1}
  43         exit 1
  44 fi
  45
  46 #
  47 # Populate with files..
  48 #
  49 cp -rp /etc /${POOL}/test
  50 echo $$ > ${MARKER}
  51
  52 #
  53 # Make a snapshot
  54 #
  55 zfs snapshot -r ${POOL}/test@snap
  56 ret=$?
  57 if [ $ret -ne 0 ]; then
  58         echo "FAILED: zfs snapshot failed, exit code=$ret"
  59         zpool destroy ${POOL}
  60         rm ${VDEV0} ${VDEV1}
  61         exit 1
  62 fi
  63
  64 #
  65 # Remove files
  66 #
  67 rm -rf /${POOL}/test/etc ${MARKER}
  68
  69 #
  70 # Roll back
  71 #
  72 zfs rollback ${POOL}/test@snap
  73 ret=$?
  74 if [ $ret -ne 0 ]; then
  75         echo "FAILED: zfs rollback failed, exit code=$ret"
  76         zpool destroy ${POOL}
  77         rm ${VDEV0} ${VDEV1}
  78         exit 1
  79 fi
  80
  81 #
  82 # Check rolled back marker contains sane data
  83 #
  84 if [ ! -e ${MARKER} ]; then
  85         echo "FAILED: zfs rollback failed, ${MARKER} not restored"
  86         zpool destroy ${POOL}
  87         rm ${VDEV0} ${VDEV1}
  88         exit 1
  89 fi
  90 data=$(cat ${MARKER})
  91 if [ $data -ne $$ ]; then
  92         echo "FAILED: zfs rollback failed, ${MARKER} contained unexpected data"
  93         zpool destroy ${POOL}
  94         rm ${VDEV0} ${VDEV1}
  95         exit 1
  96 fi
  97
  98 zfs destroy ${POOL}/test@snap
  99 ret=$?
 100 if [ $ret -ne 0 ]; then
 101         echo "FAILED: zfs destroy snapshot failed, exit code=$ret"
 102         zpool destroy ${POOL}
 103         rm ${VDEV0} ${VDEV1}
 104         exit 1
 105 fi
 106
 107 zpool destroy ${POOL}
 108 ret=$?
 109 if [ $ret -ne 0 ]; then
 110         echo "FAILED: zpool destroy failed, exit code=$ret"
 111         #
 112         # destroy failed, try to clean up, but this
 113         # wil probably fail
 114         #
 115         rm ${VDEV0} ${VDEV1}
 116         exit 1
 117 fi
 118
 119 rm ${VDEV0} ${VDEV1}
 120 echo "PASSED"
 121 exit 0