From patchwork Wed Feb 16 10:53:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanna Czenczek X-Patchwork-Id: 12748417 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 22021C433EF for ; Wed, 16 Feb 2022 10:56:08 +0000 (UTC) Received: from localhost ([::1]:37638 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nKHyh-0001TS-7L for qemu-devel@archiver.kernel.org; Wed, 16 Feb 2022 05:56:07 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKHxR-0007ev-I5 for qemu-devel@nongnu.org; Wed, 16 Feb 2022 05:54:49 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:60668) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKHxN-0001uQ-EM for qemu-devel@nongnu.org; Wed, 16 Feb 2022 05:54:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645008883; 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=WmXOH52WHHHlkQ8ykG72P/Fg40u1I9GHba+vw+GwmXk=; b=JWOkGTRko9TiVoPf+p+gvqo56uDusYtvdkHL+ZtLpLigyS2aREmkeXnwaRkcl/UsbS2EQY ef+BqFN6EH7YDj26bJFFR496zR+GYCZngnIi5R2v2twJp9YX6msILGg7xe5FwrWH+ddx00 3P+eNqDlhDExd4jqPu/eP7Qcq/WoaDA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-98-7JNYyCx4Pm-c2iDg_tPxUQ-1; Wed, 16 Feb 2022 05:54:42 -0500 X-MC-Unique: 7JNYyCx4Pm-c2iDg_tPxUQ-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 587D8802924; Wed, 16 Feb 2022 10:54:41 +0000 (UTC) Received: from localhost (unknown [10.39.195.8]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E1E0578DD9; Wed, 16 Feb 2022 10:54:05 +0000 (UTC) From: Hanna Reitz To: qemu-block@nongnu.org Subject: [PATCH v2 2/3] iotests: Allow using QMP with the QSD Date: Wed, 16 Feb 2022 11:53:54 +0100 Message-Id: <20220216105355.30729-3-hreitz@redhat.com> In-Reply-To: <20220216105355.30729-1-hreitz@redhat.com> References: <20220216105355.30729-1-hreitz@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=hreitz@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.083, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Hanna Reitz , Eric Blake , qemu-devel@nongnu.org, Stefan Hajnoczi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add a parameter to optionally open a QMP connection when creating a QemuStorageDaemon instance. Signed-off-by: Hanna Reitz Reviewed-by: Eric Blake --- tests/qemu-iotests/iotests.py | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 6ba65eb1ff..6027780180 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -39,6 +39,7 @@ from qemu.machine import qtest from qemu.qmp import QMPMessage +from qemu.aqmp.legacy import QEMUMonitorProtocol # Use this logger for logging messages directly from the iotests module logger = logging.getLogger('qemu.iotests') @@ -348,14 +349,30 @@ def cmd(self, cmd): class QemuStorageDaemon: - def __init__(self, *args: str, instance_id: str = 'a'): + _qmp: Optional[QEMUMonitorProtocol] = None + _qmpsock: Optional[str] = None + # Python < 3.8 would complain if this type were not a string literal + # (importing `annotations` from `__future__` would work; but not on <= 3.6) + _p: 'Optional[subprocess.Popen[bytes]]' = None + + def __init__(self, *args: str, instance_id: str = 'a', qmp: bool = False): assert '--pidfile' not in args self.pidfile = os.path.join(test_dir, f'qsd-{instance_id}-pid') all_args = [qsd_prog] + list(args) + ['--pidfile', self.pidfile] + if qmp: + self._qmpsock = os.path.join(sock_dir, f'qsd-{instance_id}.sock') + all_args += ['--chardev', + f'socket,id=qmp-sock,path={self._qmpsock}', + '--monitor', 'qmp-sock'] + + self._qmp = QEMUMonitorProtocol(self._qmpsock, server=True) + # Cannot use with here, we want the subprocess to stay around # pylint: disable=consider-using-with self._p = subprocess.Popen(all_args) + if self._qmp is not None: + self._qmp.accept() while not os.path.exists(self.pidfile): if self._p.poll() is not None: cmd = ' '.join(all_args) @@ -370,11 +387,24 @@ def __init__(self, *args: str, instance_id: str = 'a'): assert self._pid == self._p.pid + def qmp(self, cmd: str, args: Optional[Dict[str, object]] = None) \ + -> QMPMessage: + assert self._qmp is not None + return self._qmp.cmd(cmd, args) + def stop(self, kill_signal=15): self._p.send_signal(kill_signal) self._p.wait() self._p = None + if self._qmp: + self._qmp.close() + + if self._qmpsock is not None: + try: + os.remove(self._qmpsock) + except OSError: + pass try: os.remove(self.pidfile) except OSError: