From patchwork Tue Sep 22 10:49:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 304766 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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS 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 D7BDAC2D0E2 for ; Tue, 22 Sep 2020 11:11:00 +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 5476C207C3 for ; Tue, 22 Sep 2020 11:11:00 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Tue, 22 Sep 2020 10:50:45 +0000 (UTC) Received: from localhost (ovpn-114-26.ams2.redhat.com [10.36.114.26]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3EC9E610AF; Tue, 22 Sep 2020 10:50:42 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH v2 14/20] iotests: Let _make_test_img guess $TEST_IMG_FILE Date: Tue, 22 Sep 2020 12:49:26 +0200 Message-Id: <20200922104932.46384-15-mreitz@redhat.com> In-Reply-To: <20200922104932.46384-1-mreitz@redhat.com> References: <20200922104932.46384-1-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=216.205.24.124; envelope-from=mreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 00:31:51 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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 , qemu-devel@nongnu.org, Stefan Hajnoczi , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" When most iotests want to create a test image that is named differently from the default $TEST_IMG, they do something like this: TEST_IMG="$TEST_IMG.base" _make_test_img $options This works fine with the "file" protocol, but not so much for anything else: _make_test_img tries to create an image under $TEST_IMG_FILE first, and only under $TEST_IMG if the former is not set; and on everything but "file", $TEST_IMG_FILE is set. There are two ways we can fix this: First, we could make all tests adjust not only TEST_IMG, but also TEST_IMG_FILE if that is present (e.g. with something like _set_test_img_suffix $suffix that would affect not only TEST_IMG but also TEST_IMG_FILE, if necessary). This is a pretty clean solution, and this is maybe what we should have done from the start. But it would also require changes to most existing bash tests. So the alternative is this: Let _make_test_img see whether $TEST_IMG_FILE still points to the original value. If so, it is possible that the caller has adjusted $TEST_IMG but not $TEST_IMG_FILE. In such a case, we can (for most protocols) derive the corresponding $TEST_IMG_FILE value from $TEST_IMG value and thus work around what technically is the caller misbehaving. This second solution is less clean, but it is robust against people keeping their old habit of adjusting TEST_IMG only, and requires much less changes. So this patch implements it. Signed-off-by: Max Reitz --- tests/qemu-iotests/common.rc | 40 +++++++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc index 494490a272..23f46da2db 100644 --- a/tests/qemu-iotests/common.rc +++ b/tests/qemu-iotests/common.rc @@ -268,6 +268,7 @@ else TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT fi fi +ORIG_TEST_IMG_FILE=$TEST_IMG_FILE ORIG_TEST_IMG="$TEST_IMG" if [ -z "$TEST_DIR" ]; then @@ -330,6 +331,30 @@ _get_data_file() | sed -e "s#\\\$TEST_IMG#$1#" } +# Translate a $TEST_IMG to its corresponding $TEST_IMG_FILE for +# different protocols +_test_img_to_test_img_file() +{ + case "$IMGPROTO" in + file) + echo "$1" + ;; + + nfs) + echo "$1" | sed -e "s#nfs://127.0.0.1##" + ;; + + ssh) + echo "$1" | \ + sed -e "s#ssh://\\($USER@\\)\\?127.0.0.1\\(:[0-9]\\+\\)\\?##" + ;; + + *) + return 1 + ;; + esac +} + _make_test_img() { # extra qemu-img options can be added by tests @@ -343,10 +368,19 @@ _make_test_img() local opts_param=false local misc_params=() - if [ -n "$TEST_IMG_FILE" ]; then - img_name=$TEST_IMG_FILE - else + if [ -z "$TEST_IMG_FILE" ]; then img_name=$TEST_IMG + elif [ "$IMGOPTSSYNTAX" != "true" -a \ + "$TEST_IMG_FILE" = "$ORIG_TEST_IMG_FILE" ]; then + # Handle cases of tests only updating TEST_IMG, but not TEST_IMG_FILE + img_name=$(_test_img_to_test_img_file "$TEST_IMG") + if [ "$?" != 0 ]; then + img_name=$TEST_IMG_FILE + fi + else + # $TEST_IMG_FILE is not the default value, so it definitely has been + # modified by the test + img_name=$TEST_IMG_FILE fi if [ -n "$IMGOPTS" ]; then