From patchwork Fri Jan 29 07:00:09 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yolkfull Chow X-Patchwork-Id: 75666 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o0T70VEn017809 for ; Fri, 29 Jan 2010 07:00:32 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932223Ab0A2HAL (ORCPT ); Fri, 29 Jan 2010 02:00:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932199Ab0A2HAI (ORCPT ); Fri, 29 Jan 2010 02:00:08 -0500 Received: from mx1.redhat.com ([209.132.183.28]:20297 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755275Ab0A2HAE (ORCPT ); Fri, 29 Jan 2010 02:00:04 -0500 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o0T702tF000874 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 29 Jan 2010 02:00:02 -0500 Received: from localhost.localdomain ([10.66.91.168]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o0T6xxK9010131; Fri, 29 Jan 2010 02:00:00 -0500 From: Yolkfull Chow To: autotest@test.kernel.org Cc: kvm@vger.kernel.org, Yolkfull Chow Subject: [Autotest PATCH] KVM-test: Add a subtest 'qemu_img' Date: Fri, 29 Jan 2010 15:00:09 +0800 Message-Id: <1264748409-9503-1-git-send-email-yzhou@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Fri, 29 Jan 2010 07:00:32 +0000 (UTC) diff --git a/client/tests/kvm/tests/qemu_img.py b/client/tests/kvm/tests/qemu_img.py new file mode 100644 index 0000000..e6352a0 --- /dev/null +++ b/client/tests/kvm/tests/qemu_img.py @@ -0,0 +1,235 @@ +import re, os, logging, commands +from autotest_lib.client.common_lib import utils, error +import kvm_vm, kvm_utils + + +def run_qemu_img(test, params, env): + """ + `qemu-img' functions test: + 1) Judge what subcommand is going to be tested + 2) Run subcommand test + + @param test: kvm test object + @param params: Dictionary with the test parameters + @param env: Dictionary with test environment. + """ + cmd = kvm_utils.get_path(test.bindir, params.get("qemu_img_binary")) + if not os.path.exists(cmd): + raise error.TestError("Binary of 'qemu-img' not found") + image_format = params.get("image_format") + image_size = params.get("image_size", "10G") + image_name = kvm_vm.get_image_filename(params, test.bindir) + + def check(cmd, img): + cmd += " check %s" % img + logging.info("Checking image '%s'..." % img) + o = commands.getoutput(cmd) + if "does not support checks" in o or "No errors" in o: + return (True, "") + return (False, o) + + # Subcommand 'qemu-img check' test + # This tests will 'dd' to create a specified size file, and check it. + # Then convert it to supported image_format in each loop and check again. + def check_test(cmd): + test_image = params.get("image_name_dd") + create_image_cmd = params.get("create_image_cmd") + create_image_cmd = create_image_cmd % test_image + s, o = commands.getstatusoutput(create_image_cmd) + if s != 0: + raise error.TestError("Failed command: %s; Output is: %s" % + (create_image_cmd, o)) + s, o = check(cmd, test_image) + if not s: + raise error.TestFail("Check image '%s' failed with error: %s" % + (test_image, o)) + for fmt in params.get("supported_image_formats").split(): + output_image = test_image + ".%s" % fmt + convert(cmd, fmt, test_image, output_image) + s, o = check(cmd, output_image) + if not s: + raise error.TestFail("Check image '%s' got error: %s" % + (output_image, o)) + os.remove(output_image) + os.remove(test_image) + + def create(cmd, img_name, fmt, img_size=None, base_img=None, + base_img_fmt=None, encrypted="no"): + cmd += " create" + if encrypted == "yes": + cmd += " -e" + if base_img: + cmd += " -b %s" % base_img + if base_img_fmt: + cmd += " -F %s" % base_img_fmt + cmd += " -f %s" % fmt + cmd += " %s" % img_name + if img_size: + cmd += " %s" % img_size + s, o = commands.getstatusoutput(cmd) + if s != 0: + raise error.TestFail("Create image '%s' failed: %s;Command:\n%s" % + (img_name, o, cmd)) + logging.info("Created image '%s'" % img_name) + + # Subcommand 'qemu-img create' test + def create_test(cmd): + image_large = params.get("image_name_large") + img = kvm_utils.get_path(test.bindir, image_large) + img += '.' + image_format + create(cmd, img_name=img, fmt=image_format, + img_size=params.get("image_size_large")) + os.remove(img) + + def convert(cmd, output_fmt, img_name, output_filename, + fmt=None, compressed="no", encrypted="no"): + cmd += " convert" + if compressed == "yes": + cmd += " -c" + if encrypted == "yes": + cmd += " -e" + if fmt: + cmd += " -f %s" % fmt + cmd += " -O %s" % output_fmt + cmd += " %s %s" % (img_name, output_filename) + logging.info("Converting '%s' from format '%s' to '%s'" % + (img_name, fmt, output_fmt)) + s, o = commands.getstatusoutput(cmd) + if s != 0: + raise error.TestFail("Image converted failed; Command: %s;" + "Output is: %s" % (cmd, o)) + + # Subcommand 'qemu-img convert' test + def convert_test(cmd): + dest_img_fmt = params.get("dest_image_format") + output_filename = "%s.converted_%s" % (image_name, dest_img_fmt) + + convert(cmd, dest_img_fmt, image_name, output_filename, + image_format, params.get("compressed"), params.get("encrypted")) + + if dest_img_fmt == "qcow2": + s, o = check(cmd, output_filename) + if s: + os.remove(output_filename) + else: + raise error.TestFail("Check image '%s' failed with error: %s" % + (output_filename, o)) + else: + os.remove(output_filename) + + def info(cmd, img, string=None, fmt=None): + cmd += " info" + if fmt: + cmd += " -f %s" % fmt + cmd += " %s" % img + s, o = commands.getstatusoutput(cmd) + if s != 0: + logging.error("Get info of image '%s' failed: %s" % (img, o)) + return None + if not string: + return o + string += ": (.*)" + str = re.findall(string, o) + if str: + return str[0] + return None + + # Subcommand 'qemu-img info' test + def info_test(cmd): + img_info = info(cmd, image_name) + logging.info("Info of image '%s': \n%s" % (image_name, img_info)) + if not image_format in img_info: + raise error.TestFail("Got unexpected format of image '%s'" + " in info test" % image_name) + if not image_size in img_info: + raise error.TestFail("Got unexpected size of image '%s'" + " in info test" % image_name) + + # Subcommand 'qemu-img snapshot' test + def snapshot_test(cmd): + cmd += " snapshot" + for i in range(2): + crtcmd = cmd + sn_name = "snapshot%d" % i + crtcmd += " -c %s %s" % (sn_name, image_name) + s, o = commands.getstatusoutput(crtcmd) + if s != 0: + raise error.TestFail("Create snapshot failed via command: %s;" + "Output is: %s" % (crtcmd, o)) + logging.info("Created snapshot '%s' in '%s'" % (sn_name,image_name)) + listcmd = cmd + listcmd += " -l %s" % image_name + s, o = commands.getstatusoutput(listcmd) + if not ("snapshot0" in o and "snapshot1" in o and s == 0): + raise error.TestFail("Snapshot created failed or missed;" + "snapshot list is: \n%s" % o) + for i in range(2): + sn_name = "snapshot%d" % i + delcmd = cmd + delcmd += " -d %s %s" % (sn_name, image_name) + s, o = commands.getstatusoutput(delcmd) + if s != 0: + raise error.TestFail("Delete snapshot '%s' failed: %s" % + (sn_name, o)) + + #Subcommand 'qemu-img commit' test + def commit_test(cmd): + pass + + def rebase(cmd, img_name, base_img, backing_fmt, mode="unsafe"): + cmd += " rebase" + if mode == "unsafe": + cmd += " -u" + cmd += " -b %s -F %s %s" % (base_img, backing_fmt, img_name) + logging.info("Trying to rebase '%s' to '%s'..." % (img_name, base_img)) + s, o = commands.getstatusoutput(cmd) + if s != 0: + raise error.TestError("Failed to rebase '%s' to '%s': %s" % + (img_name, base_img, o)) + + # Subcommand 'qemu-img rebase' test + # Change the backing file of a snapshot image in "unsafe mode": + # Assume the previous backing file had missed and we just have to change + # reference of snapshot to new one. After change the backing file of a + # snapshot image in unsafe mode, the snapshot should work still. + def rebase_test(cmd): + if not 'rebase' in utils.system_output(cmd+' --help',ignore_status=True): + raise error.TestNAError("Current kvm user space version does not" + " support 'rebase' subcommand") + sn_fmt = params.get("snapshot_format", "qcow2") + sn1 = params.get("image_name_snapshot1") + sn1 = kvm_utils.get_path(test.bindir, sn1) + ".%s" % sn_fmt + base_img = kvm_vm.get_image_filename(params, test.bindir) + create(cmd, sn1, sn_fmt, base_img=base_img, base_img_fmt=image_format) + + # Create snapshot2 based on snapshot1 + sn2 = params.get("image_name_snapshot2") + sn2 = kvm_utils.get_path(test.bindir, sn2) + ".%s" % sn_fmt + create(cmd, sn2, sn_fmt, base_img=sn1, base_img_fmt=sn_fmt) + + rebase_mode = params.get("rebase_mode") + if rebase_mode == "unsafe": + os.remove(sn1) + + rebase(cmd, sn2, base_img, image_format, mode=rebase_mode) + + # Check sn2's format and backing_file + actual_base_img = info(cmd, sn2, "backing file") + base_img_name = os.path.basename(params.get("image_name")) + if not base_img_name in actual_base_img: + raise error.TestFail("After rebase the backing_file of 'sn2' is " + "'%s' which is not expected as '%s'" + % (actual_base_img, base_img_name)) + s, o = check(cmd, sn2) + if not s: + raise error.TestFail("Check image '%s' failed after rebase;" + "got error: %s" % (sn2, o)) + try: + os.remove(sn2) + os.remove(sn1) + except: + pass + + # Here starts test + subcommand = params.get("subcommand") + eval("%s_test(cmd)" % subcommand) diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample index 2d03f1f..e7670c7 100644 --- a/client/tests/kvm/tests_base.cfg.sample +++ b/client/tests/kvm/tests_base.cfg.sample @@ -273,6 +273,46 @@ variants: type = physical_resources_check catch_uuid_cmd = dmidecode | awk -F: '/UUID/ {print $2}' + - qemu_img: + type = qemu_img + vms = '' + variants: + - check: + subcommand = check + image_name_dd = dd_created_image + force_create_image_dd = no + remove_image_dd = yes + create_image_cmd = "dd if=/dev/zero of=%s bs=1G count=1" + # Test the convertion from 'dd_image_name' to specified format + supported_image_formats = qcow2 raw + - create: + subcommand = create + images += " large" + force_create_image_large = yes + image_size_large = 1G + image_name_large = create_large_image + remove_image_large = yes + - convert: + subcommand = convert + variants: + - to_qcow2: + dest_image_format = qcow2 + compressed = no + encrypted = no + - to_raw: + dest_image_format = raw + - snapshot: + subcommand = snapshot + - commit: + subcommand = commit + - info: + subcommand = info + - rebase: + subcommand = rebase + rebase_mode = unsafe + image_name_snapshot1 = sn1 + image_name_snapshot2 = sn2 + # NICs variants: - @rtl8139: