tests/test-log.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018 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 source ./functions.sh
  34 set -e
  35
  36 sock=`mktemp -u`
  37 files="log.img log.log $sock log.pid"
  38 rm -f $files
  39
  40 # Test that qemu-io works
  41 truncate -s 10M log.img
  42 if ! qemu-io -f raw -c 'w 1M 2M' log.img; then
  43     echo "$0: missing or broken qemu-io"
  44     exit 77
  45 fi
  46
  47 # Run nbdkit with logging enabled to file.
  48 echo '# My log' > log.log
  49 start_nbdkit -P log.pid -U $sock --filter=log file log.img \
  50              logfile=log.log logappend=1
  51
  52 # For easier debugging, dump the final log files before removing them
  53 # on exit.
  54 cleanup ()
  55 {
  56     echo "Log file contents:"
  57     cat log.log
  58     rm -f $files
  59 }
  60 cleanup_fn cleanup
  61
  62 # Write, then read some data in the file.
  63 qemu-io -f raw -c 'w -P 11 1M 2M' "nbd+unix://?socket=$sock"
  64 qemu-io -r -f raw -c 'r -P 11 2M 1M' "nbd+unix://?socket=$sock"
  65
  66 # The log should have been appended, preserving our marker.
  67 grep '# My log' log.log
  68 # The log should show a write on connection 1, and read on connection 2.
  69 grep 'connection=1 Write id=1 offset=0x100000 count=0x200000 ' log.log
  70 grep 'connection=2 Read id=1 offset=0x200000 count=0x100000 ' log.log