From patchwork Tue Nov 1 12:29:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasanna Kumar Kalever X-Patchwork-Id: 9407315 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A6FF460721 for ; Tue, 1 Nov 2016 12:29:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A377E2969E for ; Tue, 1 Nov 2016 12:29:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 97FA7296A9; Tue, 1 Nov 2016 12:29:36 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B1E342969E for ; Tue, 1 Nov 2016 12:29:35 +0000 (UTC) Received: from localhost ([::1]:47545 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c1YC6-0006DC-Le for patchwork-qemu-devel@patchwork.kernel.org; Tue, 01 Nov 2016 08:29:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58029) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c1YBq-0006D6-PX for qemu-devel@nongnu.org; Tue, 01 Nov 2016 08:29:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c1YBl-0005ys-Sm for qemu-devel@nongnu.org; Tue, 01 Nov 2016 08:29:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34076) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1c1YBl-0005yW-Lc for qemu-devel@nongnu.org; Tue, 01 Nov 2016 08:29:13 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 41D94C04B939 for ; Tue, 1 Nov 2016 12:29:11 +0000 (UTC) Received: from localhost.localdomain.com (vpn1-6-180.sin2.redhat.com [10.67.6.180]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uA1CT8YU016630; Tue, 1 Nov 2016 08:29:09 -0400 From: Prasanna Kumar Kalever To: qemu-devel@nongnu.org Date: Tue, 1 Nov 2016 17:59:04 +0530 Message-Id: <1478003344-3208-1-git-send-email-prasanna.kalever@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 01 Nov 2016 12:29:11 +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 v1 1/1] qemu-doc: update gluster protocol usage guide 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: jcody@redhat.com, Prasanna Kumar Kalever , vbellur@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Document: 1. The new debug and logfile options with their usages and 2. New json format and its usage. Signed-off-by: Prasanna Kumar Kalever --- qemu-doc.texi | 46 ++++++++++++++++++++++++++++++++-------------- qemu-options.hx | 14 ++++++++++++-- 2 files changed, 44 insertions(+), 16 deletions(-) diff --git a/qemu-doc.texi b/qemu-doc.texi index 023c140..a7c5722 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -1041,35 +1041,50 @@ GlusterFS is an user space distributed file system. You can boot from the GlusterFS disk image with the command: @example -qemu-system-x86_64 -drive file=gluster[+@var{transport}]://[@var{server}[:@var{port}]]/@var{volname}/@var{image}[?socket=...] +URI: +qemu-system-x86_64 -drive file=gluster[+@var{type}]://[@var{host}[:@var{port}]]/@var{volume}/@var{path}[?socket=...] + +JSON: +qemu-system-x86_64 'json:@{"driver":"qcow2","file":@{"driver":"gluster","volume":"testvol","path":"a.img","debug":"N","logfile":"...","server":[@{"type":"tcp","host":"...","port":"..."@},@{"type":"unix","socket":"..."@}]@}@}' @end example @var{gluster} is the protocol. -@var{transport} specifies the transport type used to connect to gluster +@var{type} specifies the transport type used to connect to gluster management daemon (glusterd). Valid transport types are -tcp, unix and rdma. If a transport type isn't specified, then tcp -type is assumed. +tcp, unix. Incase of URI, if a transport type isn't specified, +then tcp type is assumed. -@var{server} specifies the server where the volume file specification for -the given volume resides. This can be either hostname, ipv4 address -or ipv6 address. ipv6 address needs to be within square brackets [ ]. -If transport type is unix, then @var{server} field should not be specified. +@var{host} specifies the server where the volume file specification for +the given volume resides. This can be either hostname, ipv4 address. +If transport type is unix, then @var{host} field should not be specified. Instead @var{socket} field needs to be populated with the path to unix domain socket. @var{port} is the port number on which glusterd is listening. This is optional -and if not specified, QEMU will send 0 which will make gluster to use the -default port. If the transport type is unix, then @var{port} should not be -specified. +and if not specified, it default to port 24007. If the transport type is unix, +then @var{port} should not be specified. + +@var{volume} is the name of the gluster volume which contains the disk image. + +@var{path} is the path to the actual disk image that resides on gluster volume. + +@var{debug} is the logging level of the gluster protocol driver. Debug levels +are 0-9, with 9 being the most verbose, and 0 representing no debugging output. +Default is level of 4. The current logging levels defined in the gluster source +are 0 - None, 1 - Emergency, 2 - Alert, 3 - Critical, 4 - Error, 5 - Warning, +6 - Notice, 7 - Info, 8 - Debug, 9 - Trace + +@var{logfile} is a commandline option to mention log file path which helps in +logging to the specified file and also help in persisting the gfapi logs. The +default is stderr. + -@var{volname} is the name of the gluster volume which contains the disk image. -@var{image} is the path to the actual disk image that resides on gluster volume. You can create a GlusterFS disk image with the command: @example -qemu-img create gluster://@var{server}/@var{volname}/@var{image} @var{size} +qemu-img create gluster://@var{host}/@var{volume}/@var{path} @var{size} @end example Examples @@ -1082,6 +1097,9 @@ qemu-system-x86_64 -drive file=gluster+tcp://[1:2:3:4:5:6:7:8]:24007/testvol/dir qemu-system-x86_64 -drive file=gluster+tcp://server.domain.com:24007/testvol/dir/a.img qemu-system-x86_64 -drive file=gluster+unix:///testvol/dir/a.img?socket=/tmp/glusterd.socket qemu-system-x86_64 -drive file=gluster+rdma://1.2.3.4:24007/testvol/a.img +qemu-system-x86_64 -drive file=gluster://1.2.3.4/testvol/a.img,file.debug=9,file.logfile=/var/log/qemu-gluster.log +qemu-system-x86_64 'json:@{"driver":"qcow2","file":@{"driver":"gluster","volume":"testvol","path":"a.img","debug":"9","logfile":"/var/log/qemu-gluster.log","server":[@{"type":"tcp","host":"1.2.3.4","port":24007@},@{"type":"unix","socket":"/var/run/glusterd.socket"@}]@}@}' +qemu-system-x86_64 -drive driver=qcow2,file.driver=gluster,file.volume=testvol,file.path=/path/a.img,file.debug=9,file.logfile=/var/log/qemu-gluster.log,file.server.0.type=tcp,file.server.0.host=1.2.3.4,file.server.0.port=24007,file.server.1.type=unix,file.server.1.socket=/var/run/glusterd.socket @end example @node disk_images_ssh diff --git a/qemu-options.hx b/qemu-options.hx index b1fbdb0..f5e8ccc 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2595,13 +2595,23 @@ TCP, Unix Domain Sockets and RDMA transport protocols. Syntax for specifying a VM disk image on GlusterFS volume is @example -gluster[+transport]://[server[:port]]/volname/image[?socket=...] + +URI: +gluster[+type]://[host[:port]]/volume/path[?socket=...][,debug=N][,logfile=...] + +JSON: +'json:@{"driver":"qcow2","file":@{"driver":"gluster","volume":"testvol","path":"a.img","debug":"N","logfile":"...","server":[@{"type":"tcp","host":"...","port":"..."@},@{"type":"unix","socket":"..."@}]@}@}' @end example Example @example -qemu-system-x86_64 --drive file=gluster://192.0.2.1/testvol/a.img +URI: +qemu-system-x86_64 --drive file=gluster://192.0.2.1/testvol/a.img,file.debug=9,file.logfile=/var/log/qemu-gluster.log + +JSON: +qemu-system-x86_64 'json:@{"driver":"qcow2","file":@{"driver":"gluster","volume":"testvol","path":"a.img","debug":"9","logfile":"/var/log/qemu-gluster.log","server":[@{"type":"tcp","host":"1.2.3.4","port":24007@},@{"type":"unix","socket":"/var/run/glusterd.socket"@}]@}@}' +qemu-system-x86_64 -drive driver=qcow2,file.driver=gluster,file.volume=testvol,file.path=/path/a.img,file.debug=9,file.logfile=/var/log/qemu-gluster.log,file.server.0.type=tcp,file.server.0.host=1.2.3.4,file.server.0.port=24007,file.server.1.type=unix,file.server.1.socket=/var/run/glusterd.socket @end example See also @url{http://www.gluster.org}.