From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 553E8C49361 for ; Fri, 18 Jun 2021 23:11:31 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1EA4561205 for ; Fri, 18 Jun 2021 23:11:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EA4561205 Authentication-Results: mail.kernel.org; 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]:46516 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1luNe6-0004aA-AP for qemu-devel@archiver.kernel.org; Fri, 18 Jun 2021 19:11:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34836) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luNY6-0006qT-Gi for qemu-devel@nongnu.org; Fri, 18 Jun 2021 19:05:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:25788) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luNY4-000698-Br for qemu-devel@nongnu.org; Fri, 18 Jun 2021 19:05:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1624057515; 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=I3JoV4/anRIaOT8jUQIDAeTqTKxjpvve+9HrE6wm3hA=; b=NqxsYKU8+WOC/BwshujTFzv0UAOqAxpyXnJ7TvD7mPzuTF4BkG7hiBmueAF7lih6l06nFE pY6OmAtIgBSGT3xOY9YCBE7eX15DtYIAB2I0piy3hScsHFr/MULpf55MAcauyIThikcky7 jdbAu5VJA8vaxZy+FIDjlITSZ7YTlbU= 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-492-ZFaRUdudNGmhXQpnBxFX8A-1; Fri, 18 Jun 2021 19:05:13 -0400 X-MC-Unique: ZFaRUdudNGmhXQpnBxFX8A-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D07DC18D6A2C; Fri, 18 Jun 2021 23:05:12 +0000 (UTC) Received: from scv.redhat.com (ovpn-113-126.rdu2.redhat.com [10.10.113.126]) by smtp.corp.redhat.com (Postfix) with ESMTP id CD8511017CE5; Fri, 18 Jun 2021 23:05:11 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PULL 12/72] scripts/qom-fuse: Convert to QOMCommand Date: Fri, 18 Jun 2021 19:03:55 -0400 Message-Id: <20210618230455.2891199-13-jsnow@redhat.com> In-Reply-To: <20210618230455.2891199-1-jsnow@redhat.com> References: <20210618230455.2891199-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 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: 8bit Content-Type: text/plain; charset="US-ASCII" 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: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.194, 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 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: Peter Maydell , Markus Armbruster , John Snow , Eduardo Habkost , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Move qom-fuse onto the QOMCommand base established in python/qemu/qmp/qom_common.py. The interface doesn't change incompatibly, "qom-fuse mountpoint" still works as an invocation, and QMP_SOCKET is still used as the environment variable. Signed-off-by: John Snow Message-id: 20210603003719.1321369-13-jsnow@redhat.com Signed-off-by: John Snow --- scripts/qmp/qom-fuse | 59 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 46 insertions(+), 13 deletions(-) diff --git a/scripts/qmp/qom-fuse b/scripts/qmp/qom-fuse index 1fb3008a16..1676fb78d9 100755 --- a/scripts/qmp/qom-fuse +++ b/scripts/qmp/qom-fuse @@ -7,11 +7,19 @@ may be browsed, queried and edited using traditional shell tooling. This script requires the 'fusepy' python package. -ENV: - QMP_SOCKET: Path to the QMP server socket -Usage: - qom-fuse /mount/to/here +usage: qom-fuse [-h] [--socket SOCKET] + +Mount a QOM tree as a FUSE filesystem + +positional arguments: + Mount point + +optional arguments: + -h, --help show this help message and exit + --socket SOCKET, -s SOCKET + QMP socket path or address (addr:port). May also be + set via QMP_SOCKET environment variable. """ ## # Copyright IBM, Corp. 2012 @@ -25,30 +33,56 @@ Usage: # See the COPYING file in the top-level directory. ## +import argparse from errno import ENOENT, EPERM import os import stat import sys +from typing import Dict import fuse from fuse import FUSE, FuseOSError, Operations sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python')) -from qemu.qmp import QEMUMonitorProtocol, QMPResponseError +from qemu.qmp import QMPResponseError +from qemu.qmp.qom_common import QOMCommand fuse.fuse_python_api = (0, 2) -class QOMFS(Operations): - """QOMFS implements fuse.Operations to provide a QOM filesystem.""" - def __init__(self, qmp): - self.qmp = qmp - self.qmp.connect() - self.ino_map = {} +class QOMFuse(QOMCommand, Operations): + """ + QOMFuse implements both fuse.Operations and QOMCommand. + + Operations implements the FS, and QOMCommand implements the CLI command. + """ + name = 'fuse' + help = 'Mount a QOM tree as a FUSE filesystem' + fuse: FUSE + + @classmethod + def configure_parser(cls, parser: argparse.ArgumentParser) -> None: + super().configure_parser(parser) + parser.add_argument( + 'mount', + metavar='', + action='store', + help="Mount point", + ) + + def __init__(self, args: argparse.Namespace): + super().__init__(args) + self.mount = args.mount + self.ino_map: Dict[str, int] = {} self.ino_count = 1 + def run(self) -> int: + print(f"Mounting QOMFS to '{self.mount}'", file=sys.stderr) + self.fuse = FUSE(self, self.mount, foreground=True) + return 0 + def get_ino(self, path): """Get an inode number for a given QOM path.""" if path in self.ino_map: @@ -171,5 +205,4 @@ class QOMFS(Operations): if __name__ == '__main__': - fuse = FUSE(QOMFS(QEMUMonitorProtocol(os.environ['QMP_SOCKET'])), - sys.argv[1], foreground=True) + sys.exit(QOMFuse.entry_point()) -- 2.31.1