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