From patchwork Tue Oct 20 17:27:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 1385127 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=QgG4IKyt; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4CG1B36klzz9s0b for ; Wed, 21 Oct 2020 04:40:43 +1100 (AEDT) Received: from localhost ([::1]:35518 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUvcn-0001rr-PH for incoming@patchwork.ozlabs.org; Tue, 20 Oct 2020 13:40:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35868) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUvQY-0002m3-JG for qemu-devel@nongnu.org; Tue, 20 Oct 2020 13:28:02 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:25817) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kUvQW-00007U-HU for qemu-devel@nongnu.org; Tue, 20 Oct 2020 13:28:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603214876; 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=icGz5CFfyQZmFGJI0bgMFaTx4NMIZ8PsweUuB+1srN4=; b=QgG4IKytH/q2hezX+/d6NvNwKp3c02p1QzDdxfETABt7CsvMlrH03NwFCAyOOHZ6cZ1WpK OjRXyvfwI2PnNe5/3wMdjFxJjFIHUCJj7vOrBZapGw1aYMKhNzquTjJGtDTpCq3YRHEOTv sDSQYVaBwxzz84ozW80AoFwR0257exo= 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-421-r_C-QLNvPX6opq-bKp6HGA-1; Tue, 20 Oct 2020 13:27:54 -0400 X-MC-Unique: r_C-QLNvPX6opq-bKp6HGA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A8AF864098; Tue, 20 Oct 2020 17:27:53 +0000 (UTC) Received: from scv.redhat.com (ovpn-115-172.rdu2.redhat.com [10.10.115.172]) by smtp.corp.redhat.com (Postfix) with ESMTP id 318A41A3D6; Tue, 20 Oct 2020 17:27:52 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PULL 05/21] python/machine.py: Don't modify state in _base_args() Date: Tue, 20 Oct 2020 13:27:26 -0400 Message-Id: <20201020172742.1483258-6-jsnow@redhat.com> In-Reply-To: <20201020172742.1483258-1-jsnow@redhat.com> References: <20201020172742.1483258-1-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 Received-SPF: pass client-ip=216.205.24.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/20 01:16:16 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H4=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 , Peter Maydell , Eduardo Habkost , qemu-block@nongnu.org, Max Reitz , Cleber Rosa , John Snow Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Don't append to the _remove_files list during _base_args; instead do so during _launch. Rework _base_args as a @property to help facilitate this impression. This has the additional benefit of making the type of _console_address easier to analyze statically. Signed-off-by: John Snow Reviewed-by: Kevin Wolf Message-id: 20201006235817.3280413-5-jsnow@redhat.com Signed-off-by: John Snow --- python/qemu/machine.py | 17 ++++++++++------- python/qemu/qtest.py | 7 ++++--- 2 files changed, 14 insertions(+), 10 deletions(-) diff --git a/python/qemu/machine.py b/python/qemu/machine.py index 71fe58be05..812ca7d349 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -25,7 +25,7 @@ import subprocess import tempfile from types import TracebackType -from typing import Optional, Type +from typing import List, Optional, Type from . import console_socket, qmp from .qmp import SocketAddrT @@ -137,7 +137,9 @@ def __init__(self, binary, args=None, wrapper=None, name=None, self._console_index = 0 self._console_set = False self._console_device_type = None - self._console_address = None + self._console_address = os.path.join( + self._sock_dir, f"{self._name}-console.sock" + ) self._console_socket = None self._remove_files = [] self._user_killed = False @@ -253,7 +255,8 @@ def _load_io_log(self): with open(self._qemu_log_path, "r") as iolog: self._iolog = iolog.read() - def _base_args(self): + @property + def _base_args(self) -> List[str]: args = ['-display', 'none', '-vga', 'none'] if self._qmp_set: @@ -271,9 +274,6 @@ def _base_args(self): for _ in range(self._console_index): args.extend(['-serial', 'null']) if self._console_set: - self._console_address = os.path.join(self._sock_dir, - self._name + "-console.sock") - self._remove_files.append(self._console_address) chardev = ('socket,id=console,path=%s,server,nowait' % self._console_address) args.extend(['-chardev', chardev]) @@ -289,6 +289,9 @@ def _pre_launch(self): self._qemu_log_path = os.path.join(self._temp_dir, self._name + ".log") self._qemu_log_file = open(self._qemu_log_path, 'wb') + if self._console_set: + self._remove_files.append(self._console_address) + if self._qmp_set: if self._remove_monitor_sockfile: assert isinstance(self._monitor_address, str) @@ -374,7 +377,7 @@ def _launch(self): devnull = open(os.path.devnull, 'rb') self._pre_launch() self._qemu_full_args = (self._wrapper + [self._binary] + - self._base_args() + self._args) + self._base_args + self._args) LOG.debug('VM launch command: %r', ' '.join(self._qemu_full_args)) self._popen = subprocess.Popen(self._qemu_full_args, stdin=devnull, diff --git a/python/qemu/qtest.py b/python/qemu/qtest.py index 7700c0b09b..7fde2565a0 100644 --- a/python/qemu/qtest.py +++ b/python/qemu/qtest.py @@ -19,7 +19,7 @@ import os import socket -from typing import Optional, TextIO +from typing import List, Optional, TextIO from .machine import QEMUMachine @@ -111,8 +111,9 @@ def __init__(self, binary, args=None, name=None, test_dir="/var/tmp", self._qtest = None self._qtest_path = os.path.join(sock_dir, name + "-qtest.sock") - def _base_args(self): - args = super()._base_args() + @property + def _base_args(self) -> List[str]: + args = super()._base_args args.extend(['-qtest', 'unix:path=' + self._qtest_path, '-accel', 'qtest']) return args