From patchwork Thu Jun 25 12:55:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 279462 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 669B0C433E0 for ; Thu, 25 Jun 2020 13:03:20 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2F78C20672 for ; Thu, 25 Jun 2020 13:03:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="B2UPwR0+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F78C20672 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38800 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1joRXD-0006Cx-CR for qemu-devel@archiver.kernel.org; Thu, 25 Jun 2020 09:03:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49612) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1joRQI-0002js-6k for qemu-devel@nongnu.org; Thu, 25 Jun 2020 08:56:10 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:44496) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1joRQE-0003Fk-5u for qemu-devel@nongnu.org; Thu, 25 Jun 2020 08:56:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593089764; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MWtTyWpJgwjT//Lfo9OBEk7z8rIK5maX8s8CieLbWLA=; b=B2UPwR0+0Kco13tx2+w/+VZIL9hmfq/mwwh40sjaeMRaw2eYqcXC87NiePPNwEX2XmJF/r wBCfVUOwDqdypETzLjf5PhGI6GZHMUWx638opAcPdGoueuT+o6CmjqMaFfcfT1m5WoNXa2 Uzk1ER5X+yBNhdoP2tSzFOBC1hSIfAs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-1-WesZ0OHtPp-y7gD4PSS5YQ-1; Thu, 25 Jun 2020 08:56:00 -0400 X-MC-Unique: WesZ0OHtPp-y7gD4PSS5YQ-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7EA2FEC1A0; Thu, 25 Jun 2020 12:55:59 +0000 (UTC) Received: from localhost (ovpn-113-182.ams2.redhat.com [10.36.113.182]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1BB1061981; Thu, 25 Jun 2020 12:55:58 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH 04/19] iotests.py: Add qemu_img_pipe_and_status() Date: Thu, 25 Jun 2020 14:55:33 +0200 Message-Id: <20200625125548.870061-5-mreitz@redhat.com> In-Reply-To: <20200625125548.870061-1-mreitz@redhat.com> References: <20200625125548.870061-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mreitz@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=mreitz@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/25 02:30:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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 , Maxim Levitsky , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This function will be used by the next patch, which intends to check both the exit code and qemu-img's output. Signed-off-by: Max Reitz --- tests/qemu-iotests/iotests.py | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 5ea4c4df8b..eee94e18cc 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -29,7 +29,7 @@ import struct import subprocess import sys from typing import (Any, Callable, Dict, Iterable, - List, Optional, Sequence, TypeVar) + List, Optional, Sequence, Tuple, TypeVar) import unittest # pylint: disable=import-error, wrong-import-position @@ -90,15 +90,23 @@ luks_default_secret_object = 'secret,id=keysec0,data=' + \ luks_default_key_secret_opt = 'key-secret=keysec0' -def qemu_img(*args): - '''Run qemu-img and return the exit code''' - devnull = open('/dev/null', 'r+') - exitcode = subprocess.call(qemu_img_args + list(args), - stdin=devnull, stdout=devnull) +def qemu_img_pipe_and_status(*args: str) -> Tuple[str, int]: + """ + Run qemu-img and return both its output and its exit code + """ + subp = subprocess.Popen(qemu_img_args + list(args), + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + universal_newlines=True) + exitcode = subp.wait() if exitcode < 0: sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args)))) - return exitcode + return (subp.communicate()[0], exitcode) + +def qemu_img(*args: str) -> int: + '''Run qemu-img and return the exit code''' + return qemu_img_pipe_and_status(*args)[1] def ordered_qmp(qmsg, conv_keys=True): # Dictionaries are not ordered prior to 3.6, therefore: @@ -140,17 +148,9 @@ def qemu_img_verbose(*args): % (-exitcode, ' '.join(qemu_img_args + list(args)))) return exitcode -def qemu_img_pipe(*args): +def qemu_img_pipe(*args: str) -> str: '''Run qemu-img and return its output''' - subp = subprocess.Popen(qemu_img_args + list(args), - stdout=subprocess.PIPE, - stderr=subprocess.STDOUT, - universal_newlines=True) - exitcode = subp.wait() - if exitcode < 0: - sys.stderr.write('qemu-img received signal %i: %s\n' - % (-exitcode, ' '.join(qemu_img_args + list(args)))) - return subp.communicate()[0] + return qemu_img_pipe_and_status(*args)[0] def qemu_img_log(*args): result = qemu_img_pipe(*args)