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GET /api/patches/814904/?format=api
{ "id": 814904, "url": "http://patchwork.ozlabs.org/api/patches/814904/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170918124230.8152-5-pbutsykin@virtuozzo.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "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": "<20170918124230.8152-5-pbutsykin@virtuozzo.com>", "list_archive_url": null, "date": "2017-09-18T12:42:30", "name": "[v8,4/4] qemu-iotests: add shrinking image test", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "4869da55b38c57497669dc8f84e4cc54e094c76f", "submitter": { "id": 67271, "url": "http://patchwork.ozlabs.org/api/people/67271/?format=api", "name": "Pavel Butsykin", "email": "pbutsykin@virtuozzo.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170918124230.8152-5-pbutsykin@virtuozzo.com/mbox/", "series": [ { "id": 3635, "url": "http://patchwork.ozlabs.org/api/series/3635/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3635", "date": "2017-09-18T12:42:28", "name": "Add shrink image for qcow2", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/3635/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/814904/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/814904/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=virtuozzo.com header.i=@virtuozzo.com\n\theader.b=\"Dql69krn\"; dkim-atps=neutral", "spf=none (sender IP is )\n\tsmtp.mailfrom=pbutsykin@virtuozzo.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 3xwm2h1BF2z9s78\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 18 Sep 2017 22:46:03 +1000 (AEST)", "from localhost ([::1]:36381 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dtvR2-0005Rd-Bs\n\tfor incoming@patchwork.ozlabs.org; Mon, 18 Sep 2017 08:46:00 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:33476)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <pbutsykin@virtuozzo.com>) id 1dtvOH-0003Tf-Bl\n\tfor qemu-devel@nongnu.org; Mon, 18 Sep 2017 08:43:13 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <pbutsykin@virtuozzo.com>) id 1dtvOD-0003U2-6c\n\tfor qemu-devel@nongnu.org; Mon, 18 Sep 2017 08:43:09 -0400", "from mail-eopbgr00138.outbound.protection.outlook.com\n\t([40.107.0.138]:27658\n\thelo=EUR02-AM5-obe.outbound.protection.outlook.com)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <pbutsykin@virtuozzo.com>)\n\tid 1dtvO2-0003IH-PC; Mon, 18 Sep 2017 08:42:55 -0400", "from pavelb-Z68P-DS3.sw.ru (195.214.232.6) by\n\tDB6PR0802MB2549.eurprd08.prod.outlook.com (2603:10a6:4:a1::19) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.35.12;\n\tMon, 18 Sep 2017 12:42:50 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=virtuozzo.com;\n\ts=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version;\n\tbh=4b8KLvws7piRFKwocd1fAA3y6MAKVD5B09ZO5bOD2mA=;\n\tb=Dql69krngcV/kTAohWFDz+JCJhIEloX+UPbmaxMbgRdx34zC19v44+uhjrGYSYiJQGovksdvzUYZWxlwi6/iiUAKp/Q7at1fSkx8ibqRbwoejVq0hSt90VqTYW/zeqMJUu8HY8HoWjjg7roY/YQ/Iz/Fwz1x5dki16Ey1Cbsqes=", "From": "Pavel Butsykin <pbutsykin@virtuozzo.com>", "To": "qemu-block@nongnu.org,\n\tqemu-devel@nongnu.org", "Date": "Mon, 18 Sep 2017 15:42:30 +0300", "Message-Id": "<20170918124230.8152-5-pbutsykin@virtuozzo.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170918124230.8152-1-pbutsykin@virtuozzo.com>", "References": "<20170918124230.8152-1-pbutsykin@virtuozzo.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[195.214.232.6]", "X-ClientProxiedBy": "DB6PR0202CA0006.eurprd02.prod.outlook.com\n\t(2603:10a6:4:29::16) To DB6PR0802MB2549.eurprd08.prod.outlook.com\n\t(2603:10a6:4:a1::19)", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "e290b776-9a68-4bea-4014-08d4fe92c696", "X-Microsoft-Antispam": "UriScan:; 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SFP:1102; SCL:1; SRVR:DB6PR0802MB2549;\n\tH:pavelb-Z68P-DS3.sw.ru; FPR:; SPF:None; PTR:InfoNoRecords; A:1;\n\tMX:1; LANG:en; ", "Received-SPF": "None (protection.outlook.com: virtuozzo.com does not designate\n\tpermitted sender hosts)", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "virtuozzo.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "18 Sep 2017 12:42:50.8842\n\t(UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DB6PR0802MB2549", "X-detected-operating-system": "by eggs.gnu.org: Windows 7 or 8 [fuzzy]", "X-Received-From": "40.107.0.138", "Subject": "[Qemu-devel] [PATCH v8 4/4] qemu-iotests: add shrinking image test", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "kwolf@redhat.com, pbutsykin@virtuozzo.com, jsnow@redhat.com,\n\tarmbru@redhat.com, mreitz@redhat.com, den@openvz.org", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>\nReviewed-by: Max Reitz <mreitz@redhat.com>\nReviewed-by: John Snow <jsnow@redhat.com>\n---\n tests/qemu-iotests/163 | 170 +++++++++++++++++++++++++++++++++++++++++++++\n tests/qemu-iotests/163.out | 5 ++\n tests/qemu-iotests/group | 1 +\n 3 files changed, 176 insertions(+)\n create mode 100644 tests/qemu-iotests/163\n create mode 100644 tests/qemu-iotests/163.out", "diff": "diff --git a/tests/qemu-iotests/163 b/tests/qemu-iotests/163\nnew file mode 100644\nindex 0000000000..403842354e\n--- /dev/null\n+++ b/tests/qemu-iotests/163\n@@ -0,0 +1,170 @@\n+#!/usr/bin/env python\n+#\n+# Tests for shrinking images\n+#\n+# Copyright (c) 2016-2017 Parallels International GmbH\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 <http://www.gnu.org/licenses/>.\n+#\n+\n+import os, random, iotests, struct, qcow2\n+from iotests import qemu_img, qemu_io, image_size\n+\n+test_img = os.path.join(iotests.test_dir, 'test.img')\n+check_img = os.path.join(iotests.test_dir, 'check.img')\n+\n+def size_to_int(str):\n+ suff = ['B', 'K', 'M', 'G', 'T']\n+ return int(str[:-1]) * 1024**suff.index(str[-1:])\n+\n+class ShrinkBaseClass(iotests.QMPTestCase):\n+ image_len = '128M'\n+ shrink_size = '10M'\n+ chunk_size = '16M'\n+ refcount_bits = '16'\n+\n+ def __qcow2_check(self, filename):\n+ entry_bits = 3\n+ entry_size = 1 << entry_bits\n+ l1_mask = 0x00fffffffffffe00\n+ div_roundup = lambda n, d: (n + d - 1) / d\n+\n+ def split_by_n(data, n):\n+ for x in xrange(0, len(data), n):\n+ yield struct.unpack('>Q', data[x:x + n])[0] & l1_mask\n+\n+ def check_l1_table(h, l1_data):\n+ l1_list = list(split_by_n(l1_data, entry_size))\n+ real_l1_size = div_roundup(h.size,\n+ 1 << (h.cluster_bits*2 - entry_size))\n+ used, unused = l1_list[:real_l1_size], l1_list[real_l1_size:]\n+\n+ self.assertTrue(len(used) != 0, \"Verifying l1 table content\")\n+ self.assertFalse(any(unused), \"Verifying l1 table content\")\n+\n+ def check_reftable(fd, h, reftable):\n+ for offset in split_by_n(reftable, entry_size):\n+ if offset != 0:\n+ fd.seek(offset)\n+ cluster = fd.read(1 << h.cluster_bits)\n+ self.assertTrue(any(cluster), \"Verifying reftable content\")\n+\n+ with open(filename, \"rb\") as fd:\n+ h = qcow2.QcowHeader(fd)\n+\n+ fd.seek(h.l1_table_offset)\n+ l1_table = fd.read(h.l1_size << entry_bits)\n+\n+ fd.seek(h.refcount_table_offset)\n+ reftable = fd.read(h.refcount_table_clusters << h.cluster_bits)\n+\n+ check_l1_table(h, l1_table)\n+ check_reftable(fd, h, reftable)\n+\n+ def __raw_check(self, filename):\n+ pass\n+\n+ image_check = {\n+ 'qcow2' : __qcow2_check,\n+ 'raw' : __raw_check\n+ }\n+\n+ def setUp(self):\n+ if iotests.imgfmt == 'raw':\n+ qemu_img('create', '-f', iotests.imgfmt, test_img, self.image_len)\n+ qemu_img('create', '-f', iotests.imgfmt, check_img,\n+ self.shrink_size)\n+ else:\n+ qemu_img('create', '-f', iotests.imgfmt,\n+ '-o', 'cluster_size=' + self.cluster_size +\n+ ',refcount_bits=' + self.refcount_bits,\n+ test_img, self.image_len)\n+ qemu_img('create', '-f', iotests.imgfmt,\n+ '-o', 'cluster_size=%s'% self.cluster_size,\n+ check_img, self.shrink_size)\n+ qemu_io('-c', 'write -P 0xff 0 ' + self.shrink_size, check_img)\n+\n+ def tearDown(self):\n+ os.remove(test_img)\n+ os.remove(check_img)\n+\n+ def image_verify(self):\n+ self.assertEqual(image_size(test_img), image_size(check_img),\n+ \"Verifying image size\")\n+ self.image_check[iotests.imgfmt](self, test_img)\n+\n+ if iotests.imgfmt == 'raw':\n+ return\n+ self.assertEqual(qemu_img('check', test_img), 0,\n+ \"Verifying image corruption\")\n+\n+ def test_empty_image(self):\n+ qemu_img('resize', '-f', iotests.imgfmt, '--shrink', test_img,\n+ self.shrink_size)\n+\n+ self.assertEqual(\n+ qemu_io('-c', 'read -P 0x00 %s'%self.shrink_size, test_img),\n+ qemu_io('-c', 'read -P 0x00 %s'%self.shrink_size, check_img),\n+ \"Verifying image content\")\n+\n+ self.image_verify()\n+\n+ def test_sequential_write(self):\n+ for offs in range(0, size_to_int(self.image_len),\n+ size_to_int(self.chunk_size)):\n+ qemu_io('-c', 'write -P 0xff %d %s' % (offs, self.chunk_size),\n+ test_img)\n+\n+ qemu_img('resize', '-f', iotests.imgfmt, '--shrink', test_img,\n+ self.shrink_size)\n+\n+ self.assertEqual(qemu_img(\"compare\", test_img, check_img), 0,\n+ \"Verifying image content\")\n+\n+ self.image_verify()\n+\n+ def test_random_write(self):\n+ offs_list = range(0, size_to_int(self.image_len),\n+ size_to_int(self.chunk_size))\n+ random.shuffle(offs_list)\n+ for offs in offs_list:\n+ qemu_io('-c', 'write -P 0xff %d %s' % (offs, self.chunk_size),\n+ test_img)\n+\n+ qemu_img('resize', '-f', iotests.imgfmt, '--shrink', test_img,\n+ self.shrink_size)\n+\n+ self.assertEqual(qemu_img(\"compare\", test_img, check_img), 0,\n+ \"Verifying image content\")\n+\n+ self.image_verify()\n+\n+class TestShrink512(ShrinkBaseClass):\n+ image_len = '3M'\n+ shrink_size = '1M'\n+ chunk_size = '256K'\n+ cluster_size = '512'\n+ refcount_bits = '64'\n+\n+class TestShrink64K(ShrinkBaseClass):\n+ cluster_size = '64K'\n+\n+class TestShrink1M(ShrinkBaseClass):\n+ cluster_size = '1M'\n+ refcount_bits = '1'\n+\n+ShrinkBaseClass = None\n+\n+if __name__ == '__main__':\n+ iotests.main(supported_fmts=['raw', 'qcow2'])\ndiff --git a/tests/qemu-iotests/163.out b/tests/qemu-iotests/163.out\nnew file mode 100644\nindex 0000000000..dae404e278\n--- /dev/null\n+++ b/tests/qemu-iotests/163.out\n@@ -0,0 +1,5 @@\n+.........\n+----------------------------------------------------------------------\n+Ran 9 tests\n+\n+OK\ndiff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group\nindex 4bd5017008..82c38b403b 100644\n--- a/tests/qemu-iotests/group\n+++ b/tests/qemu-iotests/group\n@@ -166,6 +166,7 @@\n 159 rw auto quick\n 160 rw auto quick\n 162 auto quick\n+163 rw auto quick\n 165 rw auto quick\n 170 rw auto quick\n 171 rw auto quick\n", "prefixes": [ "v8", "4/4" ] }