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bh=dbAw7PvjWcgtmVdP29WBBS3AczKZX+keWTjz5w3MXFA=; b=AWvr70WRqIHhjBMQh+lggvA3SlY6cASrtBkNoC1ULUViBlSOcyWbTmU6u3/1L7b2qPoEMt q2b6uczv75uJWgJGp1QHB6QZYGvA5jIGrsEk+Y+Qk8gdhIc5eTX3y5UG9uqKw3Yphs2Fp9 n9TvbEWNQt7179443qFdylCY+hUkmZY= X-MC-Unique: oEIFdamwOlSf3PwM-KkiYw-1 From: John Snow To: qemu-devel@nongnu.org Subject: [PULL 04/44] Python: add utility function for retrieving port redirection Date: Thu, 27 May 2021 22:31:40 -0400 Message-Id: <20210528023220.417057-5-jsnow@redhat.com> In-Reply-To: <20210528023220.417057-1-jsnow@redhat.com> References: <20210528023220.417057-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: Kevin Wolf , Peter Maydell , Thomas Huth , Eduardo Habkost , qemu-block@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Wainer dos Santos Moschetta , Max Reitz , Willian Rampazzo , Eric Auger , Cleber Rosa , John Snow , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Cleber Rosa 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 Message-Id: <20210412044644.55083-4-crosa@redhat.com> Signed-off-by: John Snow --- 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[in= t]: + """ + Returns the port given to the hostfwd parameter via info usernet + + :param info_usernet_output: output generated by hmp command "info user= net" + :return: the port number allocated by the hostfwd option + """ + for line in info_usernet_output.split('\r\n'): + regex =3D r'TCP.HOST_FORWARD.*127\.0\.0\.1\s+(\d+)\s+10\.' + match =3D 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_usern= et.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=3Dvnet,hostfwd=3D:127.0.0.1:0= -:22') + self.vm.launch() + res =3D self.vm.command('human-monitor-command', + command_line=3D'info usernet') + port =3D 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 t= han' + ' zero')) diff --git a/tests/acceptance/linux_ssh_mips_malta.py b/tests/acceptance/li= nux_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 =20 +from qemu.utils import get_info_usernet_hostfwd_port + =20 class LinuxSSH(Test): =20 @@ -70,18 +72,14 @@ def get_kernel_info(self, endianess, wordsize): def setUp(self): super(LinuxSSH, self).setUp() =20 - def get_portfwd(self): + def ssh_connect(self, username, password): + self.ssh_logger =3D logging.getLogger('ssh') res =3D self.vm.command('human-monitor-command', command_line=3D'info usernet') - line =3D res.split('\r\n')[2] - port =3D re.split(r'.*TCP.HOST_FORWARD.*127\.0\.0\.1 (\d+)\s+10\..= *', - line)[1] + port =3D 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 =3D logging.getLogger('ssh') - port =3D self.get_portfwd() self.ssh_session =3D ssh.Session(self.VM_IP, port=3Dint(port), user=3Dusername, password=3Dpasswor= d) for i in range(10): diff --git a/tests/acceptance/virtiofs_submounts.py b/tests/acceptance/virt= iofs_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 =20 +from qemu.utils import get_info_usernet_hostfwd_port + =20 def run_cmd(args): subp =3D subprocess.Popen(args, @@ -73,27 +75,14 @@ class VirtiofsSubmountsTest(LinuxTest): :avocado: tags=3Daccel:kvm """ =20 - def get_portfwd(self): - port =3D None - + def ssh_connect(self, username, keyfile): + self.ssh_logger =3D logging.getLogger('ssh') res =3D self.vm.command('human-monitor-command', command_line=3D'info usernet') - for line in res.split('\r\n'): - match =3D \ - re.search(r'TCP.HOST_FORWARD.*127\.0\.0\.1\s+(\d+)\s+10\.', - line) - if match is not None: - port =3D int(match[1]) - break - + port =3D 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 =3D logging.getLogger('ssh') - port =3D self.get_portfwd() self.ssh_session =3D ssh.Session('127.0.0.1', port=3Dport, user=3Dusername, key=3Dkeyfile) 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__), '..', '..', 'pytho= n')) 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=3D[]): self.console_init() usernet_info =3D guest.qmp("human-monitor-command", command_line=3D"info usernet") - self.ssh_port =3D None - for l in usernet_info["return"].splitlines(): - fields =3D l.split() - if "TCP[HOST_FORWARD]" in fields and "22" in fields: - self.ssh_port =3D l.split()[3] + self.ssh_port =3D 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) --=20 2.31.1