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bh=4MDbCo26xsnOuPtADTJRyhBP684s/8bn9h+SiAIwujI=; b=GpYmFjy2fXfE/4Y6nEjlc5brfHx34iI4Mjo4/NQwRPDD8Cu9ykywL8BOg5uqrJU6FIA2OX JrMjWI1PzfM33+FQwOOrVcFeV6UcHqG9syzV/PkCEd3QRLPnIOv+eedko2jvyL2HsdNuB0 djBb/K05Cb96Rze38CxRtF0vG+e+YwI= X-MC-Unique: TqrguxZRPWSyOJdd7VoCxg-1 From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, hreitz@redhat.com, aesteve@redhat.com, nsoffer@redhat.com, qemu-devel@nongnu.org Subject: [PATCH 4/4] qemu-iotests: Test qemu-img bitmap/commit exit code on error Date: Thu, 12 Jan 2023 20:14:54 +0100 Message-Id: <20230112191454.169353-5-kwolf@redhat.com> In-Reply-To: <20230112191454.169353-1-kwolf@redhat.com> References: <20230112191454.169353-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1673551023817100001 Content-Type: text/plain; charset="utf-8" This tests that when an error happens while writing back bitmaps to the image file in qcow2_inactivate(), 'qemu-img bitmap/commit' actually return an error value in their exit code instead of making the operation look successful to scripts. Signed-off-by: Kevin Wolf --- .../qemu-iotests/tests/qemu-img-close-errors | 95 +++++++++++++++++++ .../tests/qemu-img-close-errors.out | 23 +++++ 2 files changed, 118 insertions(+) create mode 100755 tests/qemu-iotests/tests/qemu-img-close-errors create mode 100644 tests/qemu-iotests/tests/qemu-img-close-errors.out diff --git a/tests/qemu-iotests/tests/qemu-img-close-errors b/tests/qemu-io= tests/tests/qemu-img-close-errors new file mode 100755 index 0000000000..662f726e5d --- /dev/null +++ b/tests/qemu-iotests/tests/qemu-img-close-errors @@ -0,0 +1,95 @@ +#!/usr/bin/env bash +# group: rw auto quick +# +# Check that errors while closing the image, in particular writing back di= rty +# bitmaps, is correctly reported with a failing qemu-img exit code. +# +# Copyright (C) 2023 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# + +# creator +owner=3Dkwolf@redhat.com + +seq=3D"$(basename $0)" +echo "QA output created by $seq" + +status=3D1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +cd .. +. ./common.rc +. ./common.filter + +_supported_fmt qcow2 +_supported_proto generic + +size=3D1G + +# The error we are going to use is ENOSPC. Depending on how many bitmaps we +# create in the backing file (and therefore increase the used up space), w= e get +# failures in different places. With a low number, only merging the bitmap +# fails, whereas with a higher number, already 'qemu-img commit' fails. +for max_bitmap in 6 7; do + echo + echo "=3D=3D=3D Test with $max_bitmap bitmaps =3D=3D=3D" + + TEST_IMG=3D"$TEST_IMG.base" _make_test_img -q $size + for i in $(seq 1 $max_bitmap); do + $QEMU_IMG bitmap --add "$TEST_IMG.base" "stale-bitmap-$i" + done + + # Simulate a block device of 128 MB by resizing the image file accordi= ngly + # and then enforcing the size with the raw driver + truncate "$TEST_IMG.base" --size 128M + BASE_JSON=3D'json:{ + "driver": "qcow2", + "file": { + "driver": "raw", + "size": 134217728, + "file": { + "driver": "file", + "filename":"'"$TEST_IMG.base"'" + } + } + }' + + _make_test_img -q -b "$BASE_JSON" -F $IMGFMT + $QEMU_IMG bitmap --add "$TEST_IMG" "good-bitmap" + + $QEMU_IO -c 'write 0 126m' "$TEST_IMG" | _filter_qemu_io + + $QEMU_IMG commit -d "$TEST_IMG" 2>&1 | _filter_generated_node_ids + echo "qemu-img commit exit code: ${PIPESTATUS[0]}" + + $QEMU_IMG bitmap --add "$BASE_JSON" "good-bitmap" + echo "qemu-img bitmap --add exit code: $?" + + $QEMU_IMG bitmap --merge "good-bitmap" -b "$TEST_IMG" "$BASE_JSON" \ + "good-bitmap" 2>&1 | _filter_generated_node_ids + echo "qemu-img bitmap --merge exit code: ${PIPESTATUS[0]}" +done + +# success, all done +echo "*** done" +rm -f $seq.full +status=3D0 + diff --git a/tests/qemu-iotests/tests/qemu-img-close-errors.out b/tests/qem= u-iotests/tests/qemu-img-close-errors.out new file mode 100644 index 0000000000..1bfe88f176 --- /dev/null +++ b/tests/qemu-iotests/tests/qemu-img-close-errors.out @@ -0,0 +1,23 @@ +QA output created by qemu-img-close-errors + +=3D=3D=3D Test with 6 bitmaps =3D=3D=3D +wrote 132120576/132120576 bytes at offset 0 +126 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Image committed. +qemu-img commit exit code: 0 +qemu-img bitmap --add exit code: 0 +qemu-img: Lost persistent bitmaps during inactivation of node 'NODE_NAME':= Failed to write bitmap 'good-bitmap' to file: No space left on device +qemu-img: Error while closing the image: Invalid argument +qemu-img: Lost persistent bitmaps during inactivation of node 'NODE_NAME':= Failed to write bitmap 'good-bitmap' to file: No space left on device +qemu-img bitmap --merge exit code: 1 + +=3D=3D=3D Test with 7 bitmaps =3D=3D=3D +wrote 132120576/132120576 bytes at offset 0 +126 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-img: Lost persistent bitmaps during inactivation of node 'NODE_NAME':= Failed to write bitmap 'stale-bitmap-7' to file: No space left on device +qemu-img: Lost persistent bitmaps during inactivation of node 'NODE_NAME':= Failed to write bitmap 'stale-bitmap-7' to file: No space left on device +qemu-img: Error while closing the image: Invalid argument +qemu-img commit exit code: 1 +qemu-img bitmap --add exit code: 0 +qemu-img bitmap --merge exit code: 0 +*** done --=20 2.38.1