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[109.186.134.209]) by smtp.gmail.com with ESMTPSA id 14sm14160206wmk.19.2020.07.26.08.25.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Jul 2020 08:25:38 -0700 (PDT) From: Nir Soffer X-Google-Original-From: Nir Soffer To: qemu-block@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 2/2] qemu-iotests: Test convert to qcow2 compressed to NBD Date: Sun, 26 Jul 2020 18:25:32 +0300 Message-Id: <20200726152532.256261-3-nsoffer@redhat.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200726152532.256261-1-nsoffer@redhat.com> References: <20200726152532.256261-1-nsoffer@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=nirsof@gmail.com; helo=mail-wr1-x432.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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 , Nir Soffer , Max Reitz Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Add test for "qemu-img convert -O qcow2 -c" to NBD target. The use case is writing compressed disk content to OVA archive. Signed-off-by: Nir Soffer --- tests/qemu-iotests/302 | 83 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/302.out | 27 +++++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 111 insertions(+) create mode 100755 tests/qemu-iotests/302 create mode 100644 tests/qemu-iotests/302.out diff --git a/tests/qemu-iotests/302 b/tests/qemu-iotests/302 new file mode 100755 index 0000000000..cefde1f7cf --- /dev/null +++ b/tests/qemu-iotests/302 @@ -0,0 +1,83 @@ +#!/usr/bin/env python3 +# +# Tests conveting qcow2 compressed to NBD +# +# Copyright (c) 2020 Nir Soffer +# +# 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 . +# +# owner=nirsof@gmail.com + +import json +import iotests + +from iotests import ( + file_path, + qemu_img, + qemu_img_create, + qemu_img_log, + qemu_img_pipe, + qemu_io, + qemu_nbd, +) + +iotests.script_initialize(supported_fmts=["qcow2"]) + +# Create source disk, format does not matter. +src_disk = file_path("disk.img") +qemu_img_create("-f", "raw", src_disk, "10m") +qemu_io("-f", "raw", "-c", "write 1m 64K", src_disk) + +# The use case is writing qcow2 image directly into a tar file. Code to create +# real tar file not included. +# +# offset content +# ------------------------------- +# 0 first memebr header +# 512 first member data +# 1024 second memeber header +# 1536 second member data + +tar_file = file_path("test.tar") +out = qemu_img_pipe("measure", "-O", "qcow2", "--output", "json", src_disk) +measure = json.loads(out) +qemu_img_create("-f", "raw", tar_file, str(measure["required"])) + +nbd_sock = file_path("nbd-sock", base_dir=iotests.sock_dir) +nbd_uri = "nbd+unix:///exp?socket=" + nbd_sock + +# Use raw format to allow creating qcow2 directy into tar file. +qemu_nbd( + "--socket", nbd_sock, + "--persistent", + "--export-name", "exp", + "--format", "raw", + "--offset", "1536", + tar_file) + +iotests.log("=== Target image info ===") +qemu_img_log("info", nbd_uri) + +# Write image into the tar file. In a real applicatio we would write a tar +# entry after writing the image. +qemu_img("convert", "-f", "raw", "-O", "qcow2", "-c", src_disk, nbd_uri) + +iotests.log("=== Converted image info ===") +qemu_img_log("info", nbd_uri) + +iotests.log("=== Converted image check ===") +qemu_img_log("check", nbd_uri) + +iotests.log("=== Comparing to source disk ===") +qemu_img_log("compare", src_disk, nbd_uri) diff --git a/tests/qemu-iotests/302.out b/tests/qemu-iotests/302.out new file mode 100644 index 0000000000..babef3d574 --- /dev/null +++ b/tests/qemu-iotests/302.out @@ -0,0 +1,27 @@ +=== Target image info === +image: nbd+unix:///exp?socket=SOCK_DIR/PID-nbd-sock +file format: raw +virtual size: 446 KiB (457216 bytes) +disk size: unavailable + +=== Converted image info === +image: nbd+unix:///exp?socket=SOCK_DIR/PID-nbd-sock +file format: qcow2 +virtual size: 10 MiB (10485760 bytes) +disk size: unavailable +cluster_size: 65536 +Format specific information: + compat: 1.1 + compression type: zlib + lazy refcounts: false + refcount bits: 16 + corrupt: false + +=== Converted image check === +No errors were found on the image. +1/160 = 0.62% allocated, 100.00% fragmented, 100.00% compressed clusters +Image end offset: 393216 + +=== Comparing to source disk === +Images are identical. + diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 1d0252e1f0..1e1cb27bc8 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -308,3 +308,4 @@ 297 meta 299 auto quick 301 backing quick +302 quick