LXR qemu/tests/qemu-iotests/140

   1#!/usr/bin/env bash
   2# group: rw auto quick
   3#
   4# Test case for ejecting a BlockBackend with an NBD server attached to it
   5#
   6# Verify that the NBD server stops offering the drive when ejecting a
   7# BlockDriverState tree from a BlockBackend (that is, a medium from a
   8# drive) exposed via an NBD server.
   9#
  10# Copyright (C) 2016 Red Hat, Inc.
  11#
  12# This program is free software; you can redistribute it and/or modify
  13# it under the terms of the GNU General Public License as published by
  14# the Free Software Foundation; either version 2 of the License, or
  15# (at your option) any later version.
  16#
  17# This program is distributed in the hope that it will be useful,
  18# but WITHOUT ANY WARRANTY; without even the implied warranty of
  19# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20# GNU General Public License for more details.
  21#
  22# You should have received a copy of the GNU General Public License
  23# along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24#
  25
  26# creator
  27owner=hreitz@redhat.com
  28
  29seq="$(basename $0)"
  30echo "QA output created by $seq"
  31
  32status=1        # failure is the default!
  33
  34_cleanup()
  35{
  36    _cleanup_qemu
  37    _cleanup_test_img
  38    rm -f "$SOCK_DIR/nbd"
  39}
  40trap "_cleanup; exit \$status" 0 1 2 3 15
  41
  42# get standard environment, filters and checks
  43. ./common.rc
  44. ./common.filter
  45. ./common.qemu
  46
  47_supported_fmt generic
  48_supported_proto file fuse
  49_supported_os Linux
  50
  51_make_test_img 64k
  52
  53$QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG" | _filter_qemu_io
  54
  55if test "$IMGOPTSSYNTAX" = "true"
  56then
  57    SYSEMU_DRIVE_ARG=if=none,media=cdrom,id=drv,"$TEST_IMG"
  58else
  59    SYSEMU_DRIVE_ARG=if=none,media=cdrom,id=drv,file="$TEST_IMG",driver=$IMGFMT
  60fi
  61
  62keep_stderr=y \
  63_launch_qemu -drive $SYSEMU_DRIVE_ARG \
  64    2> >(_filter_nbd)
  65
  66_send_qemu_cmd $QEMU_HANDLE \
  67    "{ 'execute': 'qmp_capabilities' }" \
  68    'return'
  69
  70_send_qemu_cmd $QEMU_HANDLE \
  71    "{ 'execute': 'nbd-server-start',
  72       'arguments': { 'addr': { 'type': 'unix',
  73                                'data': { 'path': '$SOCK_DIR/nbd' }}}}" \
  74    'return'
  75
  76_send_qemu_cmd $QEMU_HANDLE \
  77    "{ 'execute': 'nbd-server-add',
  78       'arguments': { 'device': 'drv' }}" \
  79    'return'
  80
  81$QEMU_IO_PROG -f raw -r -c 'read -P 42 0 64k' \
  82    "nbd+unix:///drv?socket=$SOCK_DIR/nbd" 2>&1 \
  83    | _filter_qemu_io | _filter_nbd
  84
  85# The order of 'return' and the BLOCK_EXPORT_DELETED event is undefined. Just
  86# wait until we've twice seen one of them. Filter the 'return' line out so that
  87# the output is defined.
  88_send_qemu_cmd $QEMU_HANDLE \
  89    "{ 'execute': 'eject',
  90       'arguments': { 'device': 'drv' }}" \
  91    'return\|BLOCK_EXPORT_DELETED' |
  92    grep -v 'return'
  93
  94_send_qemu_cmd $QEMU_HANDLE '' 'return\|BLOCK_EXPORT_DELETED' |
  95    grep -v 'return'
  96
  97$QEMU_IO_PROG -f raw -r -c close \
  98    "nbd+unix:///drv?socket=$SOCK_DIR/nbd" 2>&1 \
  99    | _filter_qemu_io | _filter_nbd
 100
 101_send_qemu_cmd $QEMU_HANDLE \
 102    "{ 'execute': 'quit' }" \
 103    'return'
 104
 105wait=1 _cleanup_qemu
 106
 107# success, all done
 108echo '*** done'
 109rm -f $seq.full
 110status=0
 111