tests/test-blkio.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2020-2023 Red Hat Inc.
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   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
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  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.
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  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
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  30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32
  33 # This uses the io_uring driver to read a local file so it's a very
  34 # simple and incomplete test.  We could also test vhost-user if
  35 # qemu-storage-daemon is installed, but the vhost-user protocol does
  36 # not seem very stable.
  37
  38 source ./functions.sh
  39 set -e
  40 set -x
  41
  42 requires_plugin blkio
  43 requires_nbdsh_uri
  44 requires test -f disk
  45 requires_linux_kernel_version 6.0
  46
  47 nbdkit -U - -r blkio io_uring path=disk \
  48        --run '
  49     nbdsh -u "$uri" \
  50           -c "import os" \
  51           -c "assert(h.get_size() == os.path.getsize(\"disk\"))" \
  52           -c "buf = h.pread(512, 0)"
  53 '