111a82d14SPhilippe Mathieu-Daudé#!/usr/bin/env bash 29dd003a9SVladimir Sementsov-Ogievskiy# group: rw auto backing quick 3527ab22aSMax Reitz# 4527ab22aSMax Reitz# Test case for relative backing file names in complex BDS trees 5527ab22aSMax Reitz# 6527ab22aSMax Reitz# Copyright (C) 2014 Red Hat, Inc. 7527ab22aSMax Reitz# 8527ab22aSMax Reitz# This program is free software; you can redistribute it and/or modify 9527ab22aSMax Reitz# it under the terms of the GNU General Public License as published by 10527ab22aSMax Reitz# the Free Software Foundation; either version 2 of the License, or 11527ab22aSMax Reitz# (at your option) any later version. 12527ab22aSMax Reitz# 13527ab22aSMax Reitz# This program is distributed in the hope that it will be useful, 14527ab22aSMax Reitz# but WITHOUT ANY WARRANTY; without even the implied warranty of 15527ab22aSMax Reitz# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16527ab22aSMax Reitz# GNU General Public License for more details. 17527ab22aSMax Reitz# 18527ab22aSMax Reitz# You should have received a copy of the GNU General Public License 19527ab22aSMax Reitz# along with this program. If not, see <http://www.gnu.org/licenses/>. 20527ab22aSMax Reitz# 21527ab22aSMax Reitz 22527ab22aSMax Reitz# creator 23*42a5009dSJohn Snowowner=hreitz@redhat.com 24527ab22aSMax Reitz 25527ab22aSMax Reitzseq="$(basename $0)" 26527ab22aSMax Reitzecho "QA output created by $seq" 27527ab22aSMax Reitz 28527ab22aSMax Reitzstatus=1 # failure is the default! 29527ab22aSMax Reitz 30527ab22aSMax Reitz_cleanup() 31527ab22aSMax Reitz{ 32527ab22aSMax Reitz _cleanup_test_img 33f91ecbd7SMax Reitz _rm_test_img "$TEST_IMG.copy" 34527ab22aSMax Reitz} 35527ab22aSMax Reitztrap "_cleanup; exit \$status" 0 1 2 3 15 36527ab22aSMax Reitz 37527ab22aSMax Reitz# get standard environment, filters and checks 38527ab22aSMax Reitz. ./common.rc 39527ab22aSMax Reitz. ./common.filter 40527ab22aSMax Reitz 41527ab22aSMax Reitz# Any format supporting backing files 42527ab22aSMax Reitz_supported_fmt qed qcow qcow2 vmdk 43527ab22aSMax Reitz_supported_proto file 44c64c3ae3SMax Reitz_unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat" \ 45c64c3ae3SMax Reitz "subformat=twoGbMaxExtentSparse" 46527ab22aSMax Reitz 47527ab22aSMax ReitzTEST_IMG_REL=$(basename "$TEST_IMG") 48527ab22aSMax Reitz 49527ab22aSMax Reitzecho 50527ab22aSMax Reitzecho '=== Reconstructable filename ===' 51527ab22aSMax Reitzecho 52527ab22aSMax Reitz 53527ab22aSMax ReitzTEST_IMG="$TEST_IMG.base" _make_test_img 64M 54b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG_REL.base" -F $IMGFMT 64M 55527ab22aSMax Reitz# qemu should be able to reconstruct the filename, so relative backing names 56527ab22aSMax Reitz# should work 571278dce7SMax Reitz# (We have to filter the backing file format because vmdk always 581278dce7SMax Reitz# reports it (as vmdk), whereas other image formats would do so only 591278dce7SMax Reitz# with the backing_fmt creation option, which neither vmdk nor qcow 601278dce7SMax Reitz# support) 61527ab22aSMax ReitzTEST_IMG="json:{'driver':'$IMGFMT','file':{'driver':'file','filename':'$TEST_IMG'}}" \ 621278dce7SMax Reitz _img_info | _filter_img_info | grep -v 'backing file format' 63527ab22aSMax Reitz 64527ab22aSMax Reitzecho 65527ab22aSMax Reitzecho '=== Non-reconstructable filename ===' 66527ab22aSMax Reitzecho 67527ab22aSMax Reitz 68527ab22aSMax Reitz# Across blkdebug without a config file, you cannot reconstruct filenames, so 698df68616SMax Reitz# qemu is incapable of knowing the directory of the top image from the filename 708df68616SMax Reitz# alone. However, using bdrv_dirname(), it should still work. 71d327a942SMax Reitz# (Filter out the json:{} filename so this test works with external data files) 72527ab22aSMax ReitzTEST_IMG="json:{ 73527ab22aSMax Reitz 'driver': '$IMGFMT', 74527ab22aSMax Reitz 'file': { 75527ab22aSMax Reitz 'driver': 'blkdebug', 76527ab22aSMax Reitz 'image': { 77527ab22aSMax Reitz 'driver': 'file', 78527ab22aSMax Reitz 'filename': '$TEST_IMG' 79527ab22aSMax Reitz }, 80527ab22aSMax Reitz 'set-state': [ 81527ab22aSMax Reitz { 82527ab22aSMax Reitz 'event': 'read_aio', 83527ab22aSMax Reitz 'new_state': 42 84527ab22aSMax Reitz } 85527ab22aSMax Reitz ] 86527ab22aSMax Reitz } 87d327a942SMax Reitz}" _img_info | _filter_img_info | grep -v 'backing file format' \ 88d327a942SMax Reitz | _filter_json_filename 89527ab22aSMax Reitz 90527ab22aSMax Reitzecho 91527ab22aSMax Reitzecho '=== Backing name is always relative to the backed image ===' 92527ab22aSMax Reitzecho 93527ab22aSMax Reitz 94527ab22aSMax Reitz# omit the image size; it should work anyway 95b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG_REL.base" -F $IMGFMT 96527ab22aSMax Reitz 97c0625e80SMax Reitzecho 98c0625e80SMax Reitzecho '=== Nodes without a common directory ===' 99c0625e80SMax Reitzecho 100c0625e80SMax Reitz 101c0625e80SMax Reitzcp "$TEST_IMG" "$TEST_IMG.copy" 102c0625e80SMax Reitz 103c0625e80SMax Reitz# Should inform us that the actual path of the backing file cannot be determined 104c0625e80SMax ReitzTEST_IMG="json:{ 105c0625e80SMax Reitz 'driver': '$IMGFMT', 106c0625e80SMax Reitz 'file': { 107c0625e80SMax Reitz 'driver': 'quorum', 108c0625e80SMax Reitz 'vote-threshold': 1, 109c0625e80SMax Reitz 'children': [ 110c0625e80SMax Reitz { 111c0625e80SMax Reitz 'driver': 'file', 112c0625e80SMax Reitz 'filename': '$TEST_IMG' 113c0625e80SMax Reitz }, 114c0625e80SMax Reitz { 115c0625e80SMax Reitz 'driver': 'file', 116c0625e80SMax Reitz 'filename': '$TEST_IMG.copy' 117c0625e80SMax Reitz } 118c0625e80SMax Reitz ] 119c0625e80SMax Reitz } 120d327a942SMax Reitz}" _img_info | _filter_img_info | grep -v 'backing file format' \ 121d327a942SMax Reitz | _filter_json_filename 122c0625e80SMax Reitz 123527ab22aSMax Reitz 124527ab22aSMax Reitz# success, all done 125527ab22aSMax Reitzecho '*** done' 126527ab22aSMax Reitzrm -f $seq.full 127527ab22aSMax Reitzstatus=0 128