tests/test-partitioning6.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018-2019 Red Hat Inc.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met:
   8 #
   9 # * Redistributions of source code must retain the above copyright
  10 # notice, this list of conditions and the following disclaimer.
  11 #
  12 # * Redistributions in binary form must reproduce the above copyright
  13 # notice, this list of conditions and the following disclaimer in the
  14 # documentation and/or other materials provided with the distribution.
  15 #
  16 # * Neither the name of Red Hat nor the names of its contributors may be
  17 # used to endorse or promote products derived from this software without
  18 # specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  24 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32
  33 # Test the partitioning plugin.
  34 #
  35 # Test 4: Test > 128 partitions using MBR.
  36 #
  37 # virtio-scsi (used by libguestfs) doesn't support more than 15
  38 # partitions.  In fact the only client which supports this is our own
  39 # partition filter so we use that for the test.
  40
  41 source ./functions.sh
  42 set -e
  43 set -x
  44
  45 requires qemu-img --version
  46
  47 # This test requires the partitioning plugin to open at least 768
  48 # files (say 800 to make it a round number).  On OpenBSD the limit on
  49 # open files is set to 512 and so the test fails.
  50 if [ $(ulimit -n) -lt 800 ]; then
  51     echo "$0: ulimit open files is too low for this test"
  52     exit 77
  53 fi
  54
  55 d=partitioning6.d
  56 rm -rf $d
  57 mkdir $d
  58 cleanup_fn rm -rf $d
  59
  60 # Create the partitions.
  61 for i in {1..768}; do
  62     truncate -s 1 $(printf '%s/part.%04d' $d $i)
  63 done
  64
  65 # Create partition 250 containing data and truncate it to a whole
  66 # number of sectors.
  67 rm $d/part.0250
  68 for i in {0..1000}; do
  69     printf "hello " >> $d/part.0250
  70 done
  71 truncate -s 6144 $d/part.0250
  72
  73 # Run nbdkit.
  74 #
  75 # Note we select partition 251 (not 250) because partition 4 is the
  76 # extended partition and everything partition following moves up by 1.
  77 nbdkit -f -v -D partitioning.regions=1 -U - \
  78              --filter=partition \
  79              partitioning \
  80              $d/part.* \
  81              partition-type=mbr \
  82              partition=251 \
  83              --run "qemu-img convert \$nbd $d/out"
  84
  85 # The output should be identical to partition 250.
  86 cmp $d/part.0250 $d/out