From patchwork Wed May 8 08:56:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 10934807 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7EABF924 for ; Wed, 8 May 2019 09:03:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E155282EC for ; Wed, 8 May 2019 09:03:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 61310289BA; Wed, 8 May 2019 09:03:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D4C24282EC for ; Wed, 8 May 2019 09:03:55 +0000 (UTC) Received: from localhost ([127.0.0.1]:33500 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hOIUV-0005V5-2Y for patchwork-qemu-devel@patchwork.kernel.org; Wed, 08 May 2019 05:03:55 -0400 Received: from eggs.gnu.org ([209.51.188.92]:42116) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hOINl-0007Yf-NI for qemu-devel@nongnu.org; Wed, 08 May 2019 04:56:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hOINk-0002xr-2y for qemu-devel@nongnu.org; Wed, 08 May 2019 04:56:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42376) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hOINj-0002wO-PQ for qemu-devel@nongnu.org; Wed, 08 May 2019 04:56:55 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id F4112C0586D8; Wed, 8 May 2019 08:56:54 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-45.ams2.redhat.com [10.36.116.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1924560C70; Wed, 8 May 2019 08:56:52 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id F2FE0A1EA; Wed, 8 May 2019 10:56:45 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Wed, 8 May 2019 10:56:40 +0200 Message-Id: <20190508085645.11595-9-kraxel@redhat.com> In-Reply-To: <20190508085645.11595-1-kraxel@redhat.com> References: <20190508085645.11595-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 08 May 2019 08:56:55 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 08/13] tests/vm: serial console support helpers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Ed Maste , =?utf-8?q?Ale?= =?utf-8?q?x_Benn=C3=A9e?= , Kamil Rytarowski , Gerd Hoffmann , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Li-Wen Hsu , Brad Smith Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add a bunch of helpers to talk to the guest using the serial console. Also drop the hard-coded -serial parameter for the vm so QEMUMachine.set_console() actually works. Signed-off-by: Gerd Hoffmann --- tests/vm/basevm.py | 82 ++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 80 insertions(+), 2 deletions(-) diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py index 9c6bb317ac89..a27d2c72f5f5 100755 --- a/tests/vm/basevm.py +++ b/tests/vm/basevm.py @@ -13,7 +13,9 @@ from __future__ import print_function import os +import re import sys +import socket import logging import time import datetime @@ -91,8 +93,7 @@ class BaseVM(object): "-cpu", "max", "-netdev", "user,id=vnet,hostfwd=:127.0.0.1:0-:22", "-device", "virtio-net-pci,netdev=vnet", - "-vnc", "127.0.0.1:0,to=20", - "-serial", "file:%s" % os.path.join(self._tmpdir, "serial.out")] + "-vnc", "127.0.0.1:0,to=20"] if vcpus and vcpus > 1: self._args += ["-smp", str(vcpus)] if kvm_available(self.arch): @@ -173,6 +174,8 @@ class BaseVM(object): logging.debug("QEMU args: %s", " ".join(args)) qemu_bin = os.environ.get("QEMU", "qemu-system-" + self.arch) guest = QEMUMachine(binary=qemu_bin, args=args) + guest.set_machine('pc') + guest.set_console() try: guest.launch() except: @@ -195,6 +198,81 @@ class BaseVM(object): raise Exception("Cannot find ssh port from 'info usernet':\n%s" % \ usernet_info) + def console_init(self, timeout = 120): + vm = self._guest + vm.console_socket.settimeout(timeout) + + def console_log(self, text): + for line in re.split("[\r\n]", text): + # filter out terminal escape sequences + line = re.sub("\x1b\[[0-9;?]*[a-zA-Z]", "", line) + line = re.sub("\x1b\([0-9;?]*[a-zA-Z]", "", line) + # replace unprintable chars + line = re.sub("\x1b", "", line) + line = re.sub("[\x00-\x1f]", ".", line) + if line == "": + continue + # log console line + sys.stderr.write("con recv: %s\n" % line) + + def console_wait(self, expect): + vm = self._guest + output = "" + while True: + try: + chars = vm.console_socket.recv(1024) + except socket.timeout: + sys.stderr.write("console: *** read timeout ***\n") + sys.stderr.write("console: waiting for: '%s'\n" % expect) + sys.stderr.write("console: line buffer:\n") + sys.stderr.write("\n") + self.console_log(output.rstrip()) + sys.stderr.write("\n") + raise + output += chars + if expect in output: + break + if "\r" in output or "\n" in output: + lines = re.split("[\r\n]", output) + output = lines.pop() + if self.debug: + self.console_log("\n".join(lines)) + if self.debug: + self.console_log(output) + + def console_send(self, command): + vm = self._guest + if self.debug: + logline = re.sub("\n", "", command) + logline = re.sub("[\x00-\x1f]", ".", logline) + sys.stderr.write("con send: %s\n" % logline) + for char in list(command): + vm.console_socket.send(char) + time.sleep(0.01) + + def console_wait_send(self, wait, command): + self.console_wait(wait) + self.console_send(command) + + def console_ssh_init(self, prompt, user, pw): + sshkey_cmd = "echo '%s' > .ssh/authorized_keys\n" % SSH_PUB_KEY.rstrip() + self.console_wait_send("login:", "%s\n" % user) + self.console_wait_send("Password:", "%s\n" % pw) + self.console_wait_send(prompt, "mkdir .ssh\n") + self.console_wait_send(prompt, sshkey_cmd) + self.console_wait_send(prompt, "chmod 755 .ssh\n") + self.console_wait_send(prompt, "chmod 644 .ssh/authorized_keys\n") + + def console_sshd_config(self, prompt): + self.console_wait(prompt) + self.console_send("echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config\n") + for var in self.envvars: + self.console_wait(prompt) + self.console_send("echo 'AcceptEnv %s' >> /etc/ssh/sshd_config\n" % var) + + def print_step(self, text): + sys.stderr.write("### %s ...\n" % text) + def wait_ssh(self, seconds=300): starttime = datetime.datetime.now() endtime = starttime + datetime.timedelta(seconds=seconds)