From patchwork Wed Sep 15 17:53:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanna Czenczek X-Patchwork-Id: 12497099 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46A44C433F5 for ; Wed, 15 Sep 2021 18:08:06 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BF03B611C8 for ; Wed, 15 Sep 2021 18:08:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BF03B611C8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:57036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mQZKG-0000Th-Vq for qemu-devel@archiver.kernel.org; Wed, 15 Sep 2021 14:08:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51940) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQZ6e-0006Se-Dh for qemu-devel@nongnu.org; Wed, 15 Sep 2021 13:54:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:49258) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQZ6c-0006rH-9E for qemu-devel@nongnu.org; Wed, 15 Sep 2021 13:54:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631728437; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7f8jWXwv/UeM2qL7zOLHTHGXiOIsI8zl10DcCWQrbtA=; b=CNu7Vs9ex96+Yu9UtVCmSxluHATeVJ7T9eQ0jmvS9EdSOSKAMqwRTV3iNhW0/cb+RsjZ9l fAqaxy3kEv0b/ZDnJsSoCQsTJjYTh+gHTPIfwPC8BSLHTvCRdqk4ZU1T/0y0ROmiRzelUc OL8tn6o/Rjd+8zRDbzQf87uTX6I7/iA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-470-1Ao9B-FnMyC97usb_g3grw-1; Wed, 15 Sep 2021 13:53:55 -0400 X-MC-Unique: 1Ao9B-FnMyC97usb_g3grw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F2B151966321; Wed, 15 Sep 2021 17:53:54 +0000 (UTC) Received: from localhost (unknown [10.39.192.101]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 828BA6B54B; Wed, 15 Sep 2021 17:53:54 +0000 (UTC) From: Hanna Reitz To: qemu-block@nongnu.org Subject: [PULL 16/32] tests: add migrate-during-backup Date: Wed, 15 Sep 2021 19:53:02 +0200 Message-Id: <20210915175318.853225-17-hreitz@redhat.com> In-Reply-To: <20210915175318.853225-1-hreitz@redhat.com> References: <20210915175318.853225-1-hreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hreitz@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.39, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , Hanna Reitz , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Vladimir Sementsov-Ogievskiy Add a simple test which tries to run migration during backup. bdrv_inactivate_all() should fail. But due to bug (see next commit with fix) it doesn't, nodes are inactivated and continued backup crashes on assertion "assert(!(bs->open_flags & BDRV_O_INACTIVE));" in bdrv_co_write_req_prepare(). Signed-off-by: Vladimir Sementsov-Ogievskiy Message-Id: <20210911120027.8063-2-vsementsov@virtuozzo.com> Signed-off-by: Hanna Reitz --- .../qemu-iotests/tests/migrate-during-backup | 97 +++++++++++++++++++ .../tests/migrate-during-backup.out | 5 + 2 files changed, 102 insertions(+) create mode 100755 tests/qemu-iotests/tests/migrate-during-backup create mode 100644 tests/qemu-iotests/tests/migrate-during-backup.out diff --git a/tests/qemu-iotests/tests/migrate-during-backup b/tests/qemu-iotests/tests/migrate-during-backup new file mode 100755 index 0000000000..1046904c5a --- /dev/null +++ b/tests/qemu-iotests/tests/migrate-during-backup @@ -0,0 +1,97 @@ +#!/usr/bin/env python3 +# group: migration disabled +# +# Copyright (c) 2021 Virtuozzo International GmbH +# +# 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 . +# + +import os +import iotests +from iotests import qemu_img_create, qemu_io + + +disk_a = os.path.join(iotests.test_dir, 'disk_a') +disk_b = os.path.join(iotests.test_dir, 'disk_b') +size = '1M' +mig_file = os.path.join(iotests.test_dir, 'mig_file') +mig_cmd = 'exec: cat > ' + mig_file + + +class TestMigrateDuringBackup(iotests.QMPTestCase): + def tearDown(self): + self.vm.shutdown() + os.remove(disk_a) + os.remove(disk_b) + os.remove(mig_file) + + def setUp(self): + qemu_img_create('-f', iotests.imgfmt, disk_a, size) + qemu_img_create('-f', iotests.imgfmt, disk_b, size) + qemu_io('-c', f'write 0 {size}', disk_a) + + self.vm = iotests.VM().add_drive(disk_a) + self.vm.launch() + result = self.vm.qmp('blockdev-add', { + 'node-name': 'target', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': disk_b + } + }) + self.assert_qmp(result, 'return', {}) + + def test_migrate(self): + result = self.vm.qmp('blockdev-backup', device='drive0', + target='target', sync='full', + speed=1, x_perf={ + 'max-workers': 1, + 'max-chunk': 64 * 1024 + }) + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('job-pause', id='drive0') + self.assert_qmp(result, 'return', {}) + + result = self.vm.qmp('migrate-set-capabilities', + capabilities=[{'capability': 'events', + 'state': True}]) + self.assert_qmp(result, 'return', {}) + result = self.vm.qmp('migrate', uri=mig_cmd) + self.assert_qmp(result, 'return', {}) + + e = self.vm.events_wait((('MIGRATION', + {'data': {'status': 'completed'}}), + ('MIGRATION', + {'data': {'status': 'failed'}}))) + + # Don't assert that e is 'failed' now: this way we'll miss + # possible crash when backup continues :) + + result = self.vm.qmp('block-job-set-speed', device='drive0', + speed=0) + self.assert_qmp(result, 'return', {}) + result = self.vm.qmp('job-resume', id='drive0') + self.assert_qmp(result, 'return', {}) + + # For future: if something changes so that both migration + # and backup pass, let's not miss that moment, as it may + # be a bug as well as improvement. + self.assert_qmp(e, 'data/status', 'failed') + + +if __name__ == '__main__': + iotests.main(supported_fmts=['qcow2'], + supported_protocols=['file']) diff --git a/tests/qemu-iotests/tests/migrate-during-backup.out b/tests/qemu-iotests/tests/migrate-during-backup.out new file mode 100644 index 0000000000..ae1213e6f8 --- /dev/null +++ b/tests/qemu-iotests/tests/migrate-during-backup.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK