{"id":813569,"url":"http://patchwork.ozlabs.org/api/patches/813569/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170913181910.29688-19-mreitz@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170913181910.29688-19-mreitz@redhat.com>","list_archive_url":null,"date":"2017-09-13T18:19:10","name":"[18/18] iotests: Add test for active mirroring","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"87a1eddb93850ec1cea0cd8f661092af81d73e53","submitter":{"id":36836,"url":"http://patchwork.ozlabs.org/api/people/36836/?format=json","name":"Max Reitz","email":"mreitz@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170913181910.29688-19-mreitz@redhat.com/mbox/","series":[{"id":2960,"url":"http://patchwork.ozlabs.org/api/series/2960/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2960","date":"2017-09-13T18:18:52","name":"block/mirror: Add active-sync mirroring","version":1,"mbox":"http://patchwork.ozlabs.org/series/2960/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/813569/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/813569/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=)","ext-mx03.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx03.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=mreitz@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xsqz20VH4z9rxl\n\tfor ;\n\tThu, 14 Sep 2017 04:32:46 +1000 (AEST)","from localhost ([::1]:44060 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dsCSq-0002JE-49\n\tfor incoming@patchwork.ozlabs.org; Wed, 13 Sep 2017 14:32:44 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:38017)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dsCIm-0001T4-HX\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 14:22:21 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dsCIl-0006rI-4K\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 14:22:20 -0400","from mx1.redhat.com ([209.132.183.28]:52766)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from )\n\tid 1dsCIe-0006lJ-Dt; Wed, 13 Sep 2017 14:22:12 -0400","from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 7E3A580F94;\n\tWed, 13 Sep 2017 18:22:11 +0000 (UTC)","from localhost (ovpn-204-23.brq.redhat.com [10.40.204.23])\n\tby smtp.corp.redhat.com (Postfix) with ESMTPS id 74FC560600;\n\tWed, 13 Sep 2017 18:22:04 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com 7E3A580F94","From":"Max Reitz ","To":"qemu-block@nongnu.org","Date":"Wed, 13 Sep 2017 20:19:10 +0200","Message-Id":"<20170913181910.29688-19-mreitz@redhat.com>","In-Reply-To":"<20170913181910.29688-1-mreitz@redhat.com>","References":"<20170913181910.29688-1-mreitz@redhat.com>","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.13","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.27]);\n\tWed, 13 Sep 2017 18:22:11 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"[Qemu-devel] [PATCH 18/18] iotests: Add test for active mirroring","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Kevin Wolf , Fam Zheng ,\n\tqemu-devel@nongnu.org, Max Reitz ,\n\tStefan Hajnoczi , John Snow ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Signed-off-by: Max Reitz \n---\n tests/qemu-iotests/151 | 111 +++++++++++++++++++++++++++++++++++++++++++++\n tests/qemu-iotests/151.out | 5 ++\n tests/qemu-iotests/group | 1 +\n 3 files changed, 117 insertions(+)\n create mode 100755 tests/qemu-iotests/151\n create mode 100644 tests/qemu-iotests/151.out","diff":"diff --git a/tests/qemu-iotests/151 b/tests/qemu-iotests/151\nnew file mode 100755\nindex 0000000000..49a60773f9\n--- /dev/null\n+++ b/tests/qemu-iotests/151\n@@ -0,0 +1,111 @@\n+#!/usr/bin/env python\n+#\n+# Tests for active mirroring\n+#\n+# Copyright (C) 2017 Red Hat, Inc.\n+#\n+# This program is free software; you can redistribute it and/or modify\n+# it under the terms of the GNU General Public License as published by\n+# the Free Software Foundation; either version 2 of the License, or\n+# (at your option) any later version.\n+#\n+# This program is distributed in the hope that it will be useful,\n+# but WITHOUT ANY WARRANTY; without even the implied warranty of\n+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n+# GNU General Public License for more details.\n+#\n+# You should have received a copy of the GNU General Public License\n+# along with this program. If not, see .\n+#\n+\n+import os\n+import iotests\n+from iotests import qemu_img\n+\n+source_img = os.path.join(iotests.test_dir, 'source.' + iotests.imgfmt)\n+target_img = os.path.join(iotests.test_dir, 'target.' + iotests.imgfmt)\n+\n+class TestActiveMirror(iotests.QMPTestCase):\n+ image_len = 128 * 1024 * 1024 # MB\n+ potential_writes_in_flight = True\n+\n+ def setUp(self):\n+ qemu_img('create', '-f', iotests.imgfmt, source_img, '128M')\n+ qemu_img('create', '-f', iotests.imgfmt, target_img, '128M')\n+\n+ blk_source = {'node-name': 'source',\n+ 'driver': iotests.imgfmt,\n+ 'file': {'driver': 'file',\n+ 'filename': source_img}}\n+\n+ blk_target = {'node-name': 'target',\n+ 'driver': iotests.imgfmt,\n+ 'file': {'driver': 'file',\n+ 'filename': target_img}}\n+\n+ self.vm = iotests.VM()\n+ self.vm.add_blockdev(self.qmp_to_opts(blk_source))\n+ self.vm.add_blockdev(self.qmp_to_opts(blk_target))\n+ self.vm.launch()\n+\n+ def tearDown(self):\n+ self.vm.shutdown()\n+\n+ if not self.potential_writes_in_flight:\n+ self.assertTrue(iotests.compare_images(source_img, target_img),\n+ 'mirror target does not match source')\n+\n+ os.remove(source_img)\n+ os.remove(target_img)\n+\n+ def doActiveIO(self, sync_source_and_target):\n+ # Fill the source image\n+ self.vm.hmp_qemu_io('source',\n+ 'write -P 1 0 %i' % self.image_len);\n+\n+ # Start some background requests\n+ for offset in range(0, self.image_len, 1024 * 1024):\n+ self.vm.hmp_qemu_io('source', 'write -B -P 2 %i 1M' % offset)\n+\n+ # Start the block job\n+ result = self.vm.qmp('blockdev-mirror',\n+ job_id='mirror',\n+ filter_node_name='mirror-node',\n+ device='source',\n+ target='target',\n+ sync='full',\n+ copy_mode='active-write')\n+ self.assert_qmp(result, 'return', {})\n+\n+ # Start some more requests\n+ for offset in range(0, self.image_len, 1024 * 1024):\n+ self.vm.hmp_qemu_io('mirror-node', 'write -B -P 3 %i 1M' % offset)\n+\n+ # Wait for the READY event\n+ self.wait_ready(drive='mirror')\n+\n+ # Now start some final requests; all of these (which land on\n+ # the source) should be settled using the active mechanism.\n+ # The mirror code itself asserts that the source BDS's dirty\n+ # bitmap will stay clean between READY and COMPLETED.\n+ for offset in range(0, self.image_len, 1024 * 1024):\n+ self.vm.hmp_qemu_io('mirror-node', 'write -B -P 4 %i 1M' % offset)\n+\n+ if sync_source_and_target:\n+ # If source and target should be in sync after the mirror,\n+ # we have to flush before completion\n+ self.vm.hmp_qemu_io('mirror-node', 'flush')\n+ self.potential_writes_in_flight = False\n+\n+ self.complete_and_wait(drive='mirror', wait_ready=False)\n+\n+ def testActiveIO(self):\n+ self.doActiveIO(False)\n+\n+ def testActiveIOFlushed(self):\n+ self.doActiveIO(True)\n+\n+\n+\n+if __name__ == '__main__':\n+ iotests.main(supported_fmts=['qcow2', 'raw'])\ndiff --git a/tests/qemu-iotests/151.out b/tests/qemu-iotests/151.out\nnew file mode 100644\nindex 0000000000..fbc63e62f8\n--- /dev/null\n+++ b/tests/qemu-iotests/151.out\n@@ -0,0 +1,5 @@\n+..\n+----------------------------------------------------------------------\n+Ran 2 tests\n+\n+OK\ndiff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group\nindex 94e764865a..c64adbe5bf 100644\n--- a/tests/qemu-iotests/group\n+++ b/tests/qemu-iotests/group\n@@ -156,6 +156,7 @@\n 148 rw auto quick\n 149 rw auto sudo\n 150 rw auto quick\n+151 rw auto\n 152 rw auto quick\n 153 rw auto quick\n 154 rw auto backing quick\n","prefixes":["18/18"]}