tests/test-ondemand.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2020 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 set -x
  36
  37 requires_plugin ondemand
  38 requires guestfish --version
  39
  40 # This plugin requires a mkfs command of some sort.
  41 requires mkfs --version
  42
  43 # Note we test both qemu-img info and nbdinfo in order to exercise the
  44 # lesser-used exportname paths in both tools.
  45 requires qemu-img --version
  46 requires nbdinfo --version
  47
  48 dir=$(mktemp -d /tmp/nbdkit-test-dir.XXXXXX)
  49 cleanup_fn rm -rf $dir
  50
  51 sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  52 files="ondemand.pid $sock"
  53 rm -f $files
  54 cleanup_fn rm -f $files
  55
  56 # Run nbdkit.
  57 start_nbdkit -P ondemand.pid -U $sock --log=stderr \
  58              ondemand dir=$dir size=100M wait=true
  59
  60 # Simply querying an export will create the default and test
  61 # filesystems.
  62 nbdinfo "nbd+unix:///?socket=$sock"
  63 nbdinfo "nbd+unix:///test?socket=$sock"
  64
  65 # Check the filesystems were created.
  66 ls -l $dir
  67 test -f $dir/default
  68 test -f $dir/test
  69
  70 # These should fail because the exportname is invalid.
  71 for e in /bad .bad bad. bad:bad ; do
  72     if nbdinfo "nbd+unix:///$e?socket=$sock" ||
  73        qemu-img info "nbd+unix:///$e?socket=$sock" ||
  74        qemu-img info nbd:unix:$sock:exportname=$e
  75     then
  76         echo "$0: expected failure trying to create bad exportname"
  77         exit 1
  78     fi
  79 done
  80
  81 # Check the filesystem is persistent.
  82 guestfish --format=raw -a "nbd://?socket=$sock" -m /dev/sda <<EOF
  83   write /test.txt "hello"
  84 EOF
  85
  86 # This part of the test fails under valgrind for unclear reasons which
  87 # appear to be a bug in valgrind.
  88 if [ "x$NBDKIT_VALGRIND" = "x1" ]; then exit 0; fi
  89
  90 guestfish --ro --format=raw -a "nbd://?socket=$sock" -m /dev/sda <<EOF
  91   cat /test.txt
  92 EOF