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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]:60296 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhGky-00023n-A4 for qemu-devel@archiver.kernel.org; Thu, 13 May 2021 15:12:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46058) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhGjr-0001IK-OS for qemu-devel@nongnu.org; Thu, 13 May 2021 15:11:15 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:36327) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhGjn-0005oi-UV for qemu-devel@nongnu.org; Thu, 13 May 2021 15:11:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620933070; 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=mVi8fAg78nITj3P3v7AZGlu4+wiB0viF8BafvvSl08c=; b=VKYRtGV/rlkT0YA1aVN8m9MRdgeDb6nBp2iOGpDOxZ7/sQq4RPGDRIU7EbGgNGflCz8hQl yk/QE7YdwdeXyzB1FHtPg4oXV6Dp1n+9cDRRLCCixi5kAyjDQ+YEc6Eb+TM/Uop/egpw5o 3Nz7/e7+32TlEXxI+zJxoLLJNbP0bCE= 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-200-Ne8UKScdM82xojnBtU5bTg-1; Thu, 13 May 2021 15:11:08 -0400 X-MC-Unique: Ne8UKScdM82xojnBtU5bTg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 87C2E8042C2; Thu, 13 May 2021 19:11:06 +0000 (UTC) Received: from [10.10.117.64] (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id EF68277F18; Thu, 13 May 2021 19:10:29 +0000 (UTC) Subject: Re: [PATCH v3 03/11] Python: add utility function for retrieving port redirection To: Cleber Rosa , qemu-devel@nongnu.org References: <20210412044644.55083-1-crosa@redhat.com> <20210412044644.55083-4-crosa@redhat.com> From: John Snow Message-ID: Date: Thu, 13 May 2021 15:10:28 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210412044644.55083-4-crosa@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.699, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_FILL_THIS_FORM_SHORT=0.01 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: Thomas Huth , Eduardo Habkost , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , Wainer dos Santos Moschetta , Willian Rampazzo , Eric Auger , Willian Rampazzo , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Aurelien Jarno , Beraldo Leal Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/12/21 12:46 AM, Cleber Rosa wrote: > Slightly different versions for the same utility code are currently > present on different locations. This unifies them all, giving > preference to the version from virtiofs_submounts.py, because of the > last tweaks added to it. > > While at it, this adds a "qemu.utils" module to host the utility > function and a test. > > Signed-off-by: Cleber Rosa > Reviewed-by: Wainer dos Santos Moschetta > Reviewed-by: Eric Auger > Reviewed-by: Willian Rampazzo > --- > python/qemu/utils.py | 33 ++++++++++++++++++++++++ > tests/acceptance/info_usernet.py | 29 +++++++++++++++++++++ > tests/acceptance/linux_ssh_mips_malta.py | 16 +++++------- > tests/acceptance/virtiofs_submounts.py | 21 ++++----------- > tests/vm/basevm.py | 7 ++--- > 5 files changed, 76 insertions(+), 30 deletions(-) > create mode 100644 python/qemu/utils.py > create mode 100644 tests/acceptance/info_usernet.py > > diff --git a/python/qemu/utils.py b/python/qemu/utils.py > new file mode 100644 > index 00000000000..5ed789275ee > --- /dev/null > +++ b/python/qemu/utils.py > @@ -0,0 +1,33 @@ > +""" > +QEMU utility library > + > +This offers miscellaneous utility functions, which may not be easily > +distinguishable or numerous to be in their own module. > +""" > + > +# Copyright (C) 2021 Red Hat Inc. > +# > +# Authors: > +# Cleber Rosa > +# > +# This work is licensed under the terms of the GNU GPL, version 2. See > +# the COPYING file in the top-level directory. > +# > + > +import re > +from typing import Optional > + > + > +def get_info_usernet_hostfwd_port(info_usernet_output: str) -> Optional[int]: > + """ > + Returns the port given to the hostfwd parameter via info usernet > + > + :param info_usernet_output: output generated by hmp command "info usernet" > + :return: the port number allocated by the hostfwd option > + """ > + for line in info_usernet_output.split('\r\n'): > + regex = r'TCP.HOST_FORWARD.*127\.0\.0\.1\s+(\d+)\s+10\.' > + match = re.search(regex, line) > + if match is not None: > + return int(match[1]) > + return None > diff --git a/tests/acceptance/info_usernet.py b/tests/acceptance/info_usernet.py > new file mode 100644 > index 00000000000..9c1fd903a0b > --- /dev/null > +++ b/tests/acceptance/info_usernet.py > @@ -0,0 +1,29 @@ > +# Test for the hmp command "info usernet" > +# > +# Copyright (c) 2021 Red Hat, Inc. > +# > +# Author: > +# Cleber Rosa > +# > +# This work is licensed under the terms of the GNU GPL, version 2 or > +# later. See the COPYING file in the top-level directory. > + > +from avocado_qemu import Test > + > +from qemu.utils import get_info_usernet_hostfwd_port > + > + > +class InfoUsernet(Test): > + > + def test_hostfwd(self): > + self.vm.add_args('-netdev', 'user,id=vnet,hostfwd=:127.0.0.1:0-:22') > + self.vm.launch() > + res = self.vm.command('human-monitor-command', > + command_line='info usernet') > + port = get_info_usernet_hostfwd_port(res) > + self.assertIsNotNone(port, > + ('"info usernet" output content does not seem to ' > + 'contain the redirected port')) > + self.assertGreater(port, 0, > + ('Found a redirected port that is not greater than' > + ' zero')) > diff --git a/tests/acceptance/linux_ssh_mips_malta.py b/tests/acceptance/linux_ssh_mips_malta.py > index 6dbd02d49d5..052008f02d4 100644 > --- a/tests/acceptance/linux_ssh_mips_malta.py > +++ b/tests/acceptance/linux_ssh_mips_malta.py > @@ -18,6 +18,8 @@ > from avocado.utils import archive > from avocado.utils import ssh > > +from qemu.utils import get_info_usernet_hostfwd_port > + > > class LinuxSSH(Test): > > @@ -70,18 +72,14 @@ def get_kernel_info(self, endianess, wordsize): > def setUp(self): > super(LinuxSSH, self).setUp() > > - def get_portfwd(self): > + def ssh_connect(self, username, password): > + self.ssh_logger = logging.getLogger('ssh') > res = self.vm.command('human-monitor-command', > command_line='info usernet') > - line = res.split('\r\n')[2] > - port = re.split(r'.*TCP.HOST_FORWARD.*127\.0\.0\.1 (\d+)\s+10\..*', > - line)[1] > + port = get_info_usernet_hostfwd_port(res) > + if not port: > + self.cancel("Failed to retrieve SSH port") > self.log.debug("sshd listening on port:" + port) > - return port > - > - def ssh_connect(self, username, password): > - self.ssh_logger = logging.getLogger('ssh') > - port = self.get_portfwd() > self.ssh_session = ssh.Session(self.VM_IP, port=int(port), > user=username, password=password) > for i in range(10): > diff --git a/tests/acceptance/virtiofs_submounts.py b/tests/acceptance/virtiofs_submounts.py > index ca64b76301f..57a7047342f 100644 > --- a/tests/acceptance/virtiofs_submounts.py > +++ b/tests/acceptance/virtiofs_submounts.py > @@ -9,6 +9,8 @@ > from avocado_qemu import wait_for_console_pattern > from avocado.utils import ssh > > +from qemu.utils import get_info_usernet_hostfwd_port > + > > def run_cmd(args): > subp = subprocess.Popen(args, > @@ -73,27 +75,14 @@ class VirtiofsSubmountsTest(LinuxTest): > :avocado: tags=accel:kvm > """ > > - def get_portfwd(self): > - port = None > - > + def ssh_connect(self, username, keyfile): > + self.ssh_logger = logging.getLogger('ssh') > res = self.vm.command('human-monitor-command', > command_line='info usernet') > - for line in res.split('\r\n'): > - match = \ > - re.search(r'TCP.HOST_FORWARD.*127\.0\.0\.1\s+(\d+)\s+10\.', > - line) > - if match is not None: > - port = int(match[1]) > - break > - > + port = get_info_usernet_hostfwd_port(res) > self.assertIsNotNone(port) > self.assertGreater(port, 0) > self.log.debug('sshd listening on port: %d', port) > - return port > - > - def ssh_connect(self, username, keyfile): > - self.ssh_logger = logging.getLogger('ssh') > - port = self.get_portfwd() > self.ssh_session = ssh.Session('127.0.0.1', port=port, > user=username, key=keyfile) > for i in range(10): > diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py > index 00f1d5ca8da..75ce07df364 100644 > --- a/tests/vm/basevm.py > +++ b/tests/vm/basevm.py > @@ -21,6 +21,7 @@ > sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python')) > from qemu.accel import kvm_available > from qemu.machine import QEMUMachine > +from qemu.utils import get_info_usernet_hostfwd_port > import subprocess > import hashlib > import argparse > @@ -306,11 +307,7 @@ def boot(self, img, extra_args=[]): > self.console_init() > usernet_info = guest.qmp("human-monitor-command", > command_line="info usernet") > - self.ssh_port = None > - for l in usernet_info["return"].splitlines(): > - fields = l.split() > - if "TCP[HOST_FORWARD]" in fields and "22" in fields: > - self.ssh_port = l.split()[3] > + self.ssh_port = get_info_usernet_hostfwd_port(usernet_info) > if not self.ssh_port: > raise Exception("Cannot find ssh port from 'info usernet':\n%s" % \ > usernet_info) > ACK on this. Can we stick it on top of https://gitlab.com/jsnow/qemu/-/merge_requests/4 ? (You posted this before I posted v6 of the Python series, but I am not sure how close you are with this series. Actually, I'm not sure how close we are on mine either.)