From b1f6a8e180367c945b67c6c9bbcec5c856be3779 Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Fri, 8 Nov 2019 09:46:03 +0100 Subject: [PATCH] iotests: Test multiple blockdev-snapshot calls Test that doing a second blockdev-snapshot doesn't make the first overlay's backing file go away. Signed-off-by: Kevin Wolf Reviewed-by: Peter Krempa --- tests/qemu-iotests/273 | 76 +++++++++ tests/qemu-iotests/273.out | 337 +++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 414 insertions(+) create mode 100755 tests/qemu-iotests/273 create mode 100644 tests/qemu-iotests/273.out diff --git a/tests/qemu-iotests/273 b/tests/qemu-iotests/273 new file mode 100755 index 0000000000..98a672516d --- /dev/null +++ b/tests/qemu-iotests/273 @@ -0,0 +1,76 @@ +#!/usr/bin/env bash +# +# Test multiple blockdev-snapshot calls with 'backing': null +# +# Copyright (C) 2019 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 . +# + +seq=$(basename "$0") +echo "QA output created by $seq" + +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +# This is a qcow2 regression test +_supported_fmt qcow2 +_supported_proto file +_supported_os Linux + +do_run_qemu() +{ + echo Testing: "$@" + $QEMU -nographic -qmp-pretty stdio -nodefaults "$@" + echo +} + +run_qemu() +{ + do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | + _filter_generated_node_ids | _filter_imgfmt | _filter_actual_image_size +} + +TEST_IMG="$TEST_IMG.base" _make_test_img 64M +TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" +_make_test_img -b "$TEST_IMG.mid" + +run_qemu \ + -blockdev file,node-name=base,filename="$TEST_IMG.base" \ + -blockdev file,node-name=midf,filename="$TEST_IMG.mid" \ + -blockdev '{"driver":"qcow2","node-name":"mid","file":"midf","backing":null}' \ + -blockdev file,node-name=topf,filename="$TEST_IMG" \ + -blockdev '{"driver":"qcow2","file":"topf","node-name":"top","backing":null}' \ +<