From 3dd48fdc55613c102f2811c63ceefd9aebcd44ca Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Fri, 10 Jun 2016 20:57:50 +0200 Subject: iotests: Add test for oVirt-like storage migration Signed-off-by: Max Reitz Message-id: 20160610185750.30956-6-mreitz@redhat.com Reviewed-by: Kevin Wolf Reviewed-by: Fam Zheng Signed-off-by: Max Reitz --- tests/qemu-iotests/156 | 174 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100755 tests/qemu-iotests/156 (limited to 'tests/qemu-iotests/156') diff --git a/tests/qemu-iotests/156 b/tests/qemu-iotests/156 new file mode 100755 index 0000000000..cc95ff1f98 --- /dev/null +++ b/tests/qemu-iotests/156 @@ -0,0 +1,174 @@ +#!/bin/bash +# +# Tests oVirt-like storage migration: +# - Create snapshot +# - Create target image with (not yet existing) target backing chain +# (i.e. just write the name of a soon-to-be-copied-over backing file into it) +# - drive-mirror the snapshot to the target with mode=existing and sync=top +# - In the meantime, copy the original source files to the destination via +# conventional means (i.e. outside of qemu) +# - Complete the drive-mirror job +# - Delete all source images +# +# Copyright (C) 2016 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=mreitz@redhat.com + +seq="$(basename $0)" +echo "QA output created by $seq" + +here="$PWD" +status=1 # failure is the default! + +_cleanup() +{ + rm -f "$TEST_IMG{,.target}{,.backing,.overlay}" +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.qemu + +_supported_fmt qcow2 qed +_supported_proto generic +_supported_os Linux + +# Create source disk +TEST_IMG="$TEST_IMG.backing" _make_test_img 1M +_make_test_img -b "$TEST_IMG.backing" 1M + +$QEMU_IO -c 'write -P 1 0 256k' "$TEST_IMG.backing" | _filter_qemu_io +$QEMU_IO -c 'write -P 2 64k 192k' "$TEST_IMG" | _filter_qemu_io + +_launch_qemu -drive if=none,id=source,file="$TEST_IMG" + +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'qmp_capabilities' }" \ + 'return' + +# Create snapshot +TEST_IMG="$TEST_IMG.overlay" _make_test_img -b "$TEST_IMG" 1M +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'blockdev-snapshot-sync', + 'arguments': { 'device': 'source', + 'snapshot-file': '$TEST_IMG.overlay', + 'format': '$IMGFMT', + 'mode': 'existing' } }" \ + 'return' + +# Write something to the snapshot +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'human-monitor-command', + 'arguments': { 'command-line': + 'qemu-io source \"write -P 3 128k 128k\"' } }" \ + 'return' + +# Create target image +TEST_IMG="$TEST_IMG.target.overlay" _make_test_img -b "$TEST_IMG.target" 1M + +# Mirror snapshot +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'drive-mirror', + 'arguments': { 'device': 'source', + 'target': '$TEST_IMG.target.overlay', + 'mode': 'existing', + 'sync': 'top' } }" \ + 'return' + +# Wait for convergence +_send_qemu_cmd $QEMU_HANDLE \ + '' \ + 'BLOCK_JOB_READY' + +# Write some more +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'human-monitor-command', + 'arguments': { 'command-line': + 'qemu-io source \"write -P 4 192k 64k\"' } }" \ + 'return' + +# Copy source backing chain to the target before completing the job +cp "$TEST_IMG.backing" "$TEST_IMG.target.backing" +cp "$TEST_IMG" "$TEST_IMG.target" +$QEMU_IMG rebase -u -b "$TEST_IMG.target.backing" "$TEST_IMG.target" + +# Complete block job +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'block-job-complete', + 'arguments': { 'device': 'source' } }" \ + '' + +_send_qemu_cmd $QEMU_HANDLE \ + '' \ + 'BLOCK_JOB_COMPLETED' + +# Remove the source images +rm -f "$TEST_IMG{,.backing,.overlay}" + +echo + +# Check online disk contents +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'human-monitor-command', + 'arguments': { 'command-line': + 'qemu-io source \"read -P 1 0k 64k\"' } }" \ + 'return' + +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'human-monitor-command', + 'arguments': { 'command-line': + 'qemu-io source \"read -P 2 64k 64k\"' } }" \ + 'return' + +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'human-monitor-command', + 'arguments': { 'command-line': + 'qemu-io source \"read -P 3 128k 64k\"' } }" \ + 'return' + +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'human-monitor-command', + 'arguments': { 'command-line': + 'qemu-io source \"read -P 4 192k 64k\"' } }" \ + 'return' + +echo + +_send_qemu_cmd $QEMU_HANDLE \ + "{ 'execute': 'quit' }" \ + 'return' + +wait=1 _cleanup_qemu + +echo + +# Check offline disk contents +$QEMU_IO -c 'read -P 1 0k 64k' \ + -c 'read -P 2 64k 64k' \ + -c 'read -P 3 128k 64k' \ + -c 'read -P 4 192k 64k' \ + "$TEST_IMG.target.overlay" | _filter_qemu_io + +echo + +# success, all done +echo '*** done' +rm -f $seq.full +status=0 -- cgit v1.2.3