1#!/usr/bin/env bash 2# 3# Test vmdk backing file correlation 4# 5# Copyright (C) 2018 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=mreitz@redhat.com 23 24seq=$(basename $0) 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32 _rm_test_img "$TEST_IMG.not_base" 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39. ./common.qemu 40 41# This tests vmdk-specific low-level functionality 42_supported_fmt vmdk 43_supported_proto file 44_supported_os Linux 45_unsupported_imgopts "subformat=monolithicFlat" \ 46 "subformat=twoGbMaxExtentFlat" \ 47 "subformat=twoGbMaxExtentSparse" 48 49TEST_IMG="$TEST_IMG.base" _make_test_img 1M 50TEST_IMG="$TEST_IMG.not_base" _make_test_img 1M 51_make_test_img -b "$TEST_IMG.base" 52 53make_opts() 54{ 55 node_name=$1 56 filename=$2 57 backing=$3 58 59 if [ -z "$backing" ]; then 60 backing="null" 61 else 62 backing="'$backing'" 63 fi 64 65 echo "{ 'node-name': '$node_name', 66 'driver': 'vmdk', 67 'file': { 68 'driver': 'file', 69 'filename': '$filename' 70 }, 71 'backing': $backing }" 72} 73 74overlay_opts=$(make_opts overlay "$TEST_IMG" backing) 75base_opts=$(make_opts backing "$TEST_IMG.base") 76not_base_opts=$(make_opts backing "$TEST_IMG.not_base") 77 78not_vmdk_opts="{ 'node-name': 'backing', 'driver': 'null-co' }" 79 80echo 81echo '=== Testing fitting VMDK backing image ===' 82echo 83 84qemu_comm_method=monitor \ 85 _launch_qemu -blockdev "$base_opts" -blockdev "$overlay_opts" 86 87# Should not return an error 88_send_qemu_cmd $QEMU_HANDLE 'qemu-io overlay "read 0 512"' 'ops' 89 90_cleanup_qemu 91 92 93echo 94echo '=== Testing unrelated VMDK backing image ===' 95echo 96 97qemu_comm_method=monitor \ 98 _launch_qemu -blockdev "$not_base_opts" -blockdev "$overlay_opts" 99 100# Should fail (gracefully) 101_send_qemu_cmd $QEMU_HANDLE 'qemu-io overlay "read 0 512"' 'failed' 102 103_cleanup_qemu 104 105 106echo 107echo '=== Testing non-VMDK backing image ===' 108echo 109 110# FIXME: This is the reason why we have to use two -blockdev 111# invocations. You can only fully override the backing file options 112# if you either specify a node reference (as done here) or the new 113# options contain file.filename (which in this case they do not). 114# In other cases, file.filename will be set to whatever the image 115# header of the overlay contains (which we do not want). I consider 116# this a FIXME because with -blockdev, you cannot specify "partial" 117# options, so setting file.filename but leaving the rest as specified 118# by the user does not make sense. 119qemu_comm_method=monitor \ 120 _launch_qemu -blockdev "$not_vmdk_opts" -blockdev "$overlay_opts" 121 122# Should fail (gracefully) 123_send_qemu_cmd $QEMU_HANDLE 'qemu-io overlay "read 0 512"' 'failed' 124 125_cleanup_qemu 126 127 128# success, all done 129echo "*** done" 130rm -f $seq.full 131status=0 132