From nobody Tue Nov 11 20:52:16 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1565368341; cv=none; d=zoho.com; s=zohoarc; b=SVRVWoidvXYqCJp655tLplxKU1Hg/r1R3tQYbMKYciHXgPEScPig1yJkMhO0oJbwoIvJPD/HEEbWnCEPazAP9XXsBO3qOe/DyItrs5gMZLhjmThdM5MdPIV3qp5vjmcEJXrxON8OZcPkTbZP3lniNGHqXVTTaS8C5d80LvZ8KZA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565368341; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=cCqCTD88k+/c2DrfN7WLygOJFuFA7c4p6hWaJv5zJxo=; b=XAHMUFc4Nh4RCTV6kPOnHXVVu+B6UwKi/+N53BmnmPRpZzSrt0w4I2tBIBQygSuwiSHi51RtuQgu3MLURwAsolp0hKDKUOXpfUZSorCv4fHallvSJwtjlMy3JsTuqvKITkbTWKJeT3k/9QGtoqPTs53/K7PmFBXrhENb5D1Mfzw= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1565368341622888.1095932093191; Fri, 9 Aug 2019 09:32:21 -0700 (PDT) Received: from localhost ([::1]:32908 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hw7oS-0007TQ-Kl for importer@patchew.org; Fri, 09 Aug 2019 12:32:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57834) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hw7YX-0004MA-3G for qemu-devel@nongnu.org; Fri, 09 Aug 2019 12:15:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hw7YV-0004mu-Ma for qemu-devel@nongnu.org; Fri, 09 Aug 2019 12:15:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51832) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hw7YS-0004kx-Kw; Fri, 09 Aug 2019 12:15:48 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EF13D316EFEC; Fri, 9 Aug 2019 16:15:47 +0000 (UTC) Received: from localhost (unknown [10.40.205.179]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5F3CD60BF7; Fri, 9 Aug 2019 16:15:47 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Fri, 9 Aug 2019 18:14:05 +0200 Message-Id: <20190809161407.11920-41-mreitz@redhat.com> In-Reply-To: <20190809161407.11920-1-mreitz@redhat.com> References: <20190809161407.11920-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Fri, 09 Aug 2019 16:15:48 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v6 40/42] iotests: Add filter mirror test cases 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 , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" This patch adds some test cases how mirroring relates to filters. One of them tests what happens when you mirror off a filtered COW node, two others use the mirror filter node as basically our only example of an implicitly created filter node so far (besides the commit filter). Signed-off-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/041 | 146 ++++++++++++++++++++++++++++++++++++- tests/qemu-iotests/041.out | 4 +- 2 files changed, 147 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041 index 0c1432f189..c2b5299f62 100755 --- a/tests/qemu-iotests/041 +++ b/tests/qemu-iotests/041 @@ -20,8 +20,9 @@ =20 import time import os +import json import iotests -from iotests import qemu_img, qemu_io +from iotests import qemu_img, qemu_img_pipe, qemu_io =20 backing_img =3D os.path.join(iotests.test_dir, 'backing.img') target_backing_img =3D os.path.join(iotests.test_dir, 'target-backing.img') @@ -1191,5 +1192,148 @@ class TestReplaces(iotests.QMPTestCase): os.remove(test_img) os.remove(target_img) =20 +# Tests for mirror with filters (and how the mirror filter behaves, as +# an example for an implicit filter) +class TestFilters(iotests.QMPTestCase): + def setUp(self): + qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M') + qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img, test_i= mg) + qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img, target= _img) + + qemu_io('-c', 'write -P 1 0 512k', backing_img) + qemu_io('-c', 'write -P 2 512k 512k', test_img) + + self.vm =3D iotests.VM() + self.vm.launch() + + result =3D self.vm.qmp('blockdev-add', **{ + 'node-name': 'target', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': target_img + }, + 'backing': None + }) + self.assert_qmp(result, 'return', {}) + + self.filterless_chain =3D { + 'node-name': 'source', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': test_img + }, + 'backing': { + 'node-name': 'backing', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': backing_img + } + } + } + + def tearDown(self): + self.vm.shutdown() + + os.remove(test_img) + os.remove(target_img) + os.remove(backing_img) + + def test_cor(self): + result =3D self.vm.qmp('blockdev-add', **{ + 'node-name': 'filter', + 'driver': 'copy-on-read', + 'file': self.filterless_chain + }) + self.assert_qmp(result, 'return', {}) + + result =3D self.vm.qmp('blockdev-mirror', + job_id=3D'mirror', + device=3D'filter', + target=3D'target', + sync=3D'top') + self.assert_qmp(result, 'return', {}) + + self.complete_and_wait('mirror') + + self.vm.qmp('blockdev-del', node_name=3D'target') + + target_map =3D qemu_img_pipe('map', '--output=3Djson', target_img) + target_map =3D json.loads(target_map) + + assert target_map[0]['start'] =3D=3D 0 + assert target_map[0]['length'] =3D=3D 512 * 1024 + assert target_map[0]['depth'] =3D=3D 1 + + assert target_map[1]['start'] =3D=3D 512 * 1024 + assert target_map[1]['length'] =3D=3D 512 * 1024 + assert target_map[1]['depth'] =3D=3D 0 + + def test_implicit_mirror_filter(self): + result =3D self.vm.qmp('blockdev-add', **self.filterless_chain) + self.assert_qmp(result, 'return', {}) + + # We need this so we can query from above the mirror node + result =3D self.vm.qmp('device_add', + driver=3D'virtio-blk', + id=3D'virtio', + bus=3D'pci.0', + drive=3D'source') + self.assert_qmp(result, 'return', {}) + + result =3D self.vm.qmp('blockdev-mirror', + job_id=3D'mirror', + device=3D'source', + target=3D'target', + sync=3D'top') + self.assert_qmp(result, 'return', {}) + + # The mirror filter is now an implicit node, so it should be + # invisible when querying the backing chain + device_info =3D self.vm.qmp('query-block')['return'][0] + assert device_info['qdev'] =3D=3D '/machine/peripheral/virtio/virt= io-backend' + + assert device_info['inserted']['node-name'] =3D=3D 'source' + + image_info =3D device_info['inserted']['image'] + assert image_info['filename'] =3D=3D test_img + assert image_info['backing-image']['filename'] =3D=3D backing_img + + self.complete_and_wait('mirror') + + def test_explicit_mirror_filter(self): + # Same test as above, but this time we give the mirror filter + # a node-name so it will not be invisible + result =3D self.vm.qmp('blockdev-add', **self.filterless_chain) + self.assert_qmp(result, 'return', {}) + + # We need this so we can query from above the mirror node + result =3D self.vm.qmp('device_add', + driver=3D'virtio-blk', + id=3D'virtio', + bus=3D'pci.0', + drive=3D'source') + self.assert_qmp(result, 'return', {}) + + result =3D self.vm.qmp('blockdev-mirror', + job_id=3D'mirror', + device=3D'source', + target=3D'target', + sync=3D'top', + filter_node_name=3D'mirror-filter') + self.assert_qmp(result, 'return', {}) + + # With a node-name given to it, the mirror filter should now + # be visible + device_info =3D self.vm.qmp('query-block')['return'][0] + assert device_info['qdev'] =3D=3D '/machine/peripheral/virtio/virt= io-backend' + + assert device_info['inserted']['node-name'] =3D=3D 'mirror-filter' + + self.complete_and_wait('mirror') + + if __name__ =3D=3D '__main__': iotests.main(supported_fmts=3D['qcow2', 'qed']) diff --git a/tests/qemu-iotests/041.out b/tests/qemu-iotests/041.out index 2c448b4239..ffc779b4d1 100644 --- a/tests/qemu-iotests/041.out +++ b/tests/qemu-iotests/041.out @@ -1,5 +1,5 @@ -..........................................................................= ................ +..........................................................................= ................... ---------------------------------------------------------------------- -Ran 90 tests +Ran 93 tests =20 OK --=20 2.21.0