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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 32F6AC41514 for ; Thu, 22 Aug 2019 16:34:15 +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 0915A23404 for ; Thu, 22 Aug 2019 16:34:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0915A23404 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]:45636 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i0q2Q-0006OV-44 for qemu-devel@archiver.kernel.org; Thu, 22 Aug 2019 12:34:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43828) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i0q0G-00054z-Ix for qemu-devel@nongnu.org; Thu, 22 Aug 2019 12:32:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i0q0E-00050Q-Lv for qemu-devel@nongnu.org; Thu, 22 Aug 2019 12:32:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42744) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i0q0E-0004xq-8q for qemu-devel@nongnu.org; Thu, 22 Aug 2019 12:31:58 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id D94713C928; Thu, 22 Aug 2019 16:31:54 +0000 (UTC) Received: from work-vm (ovpn-117-231.ams2.redhat.com [10.36.117.231]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A340E10016E9; Thu, 22 Aug 2019 16:31:52 +0000 (UTC) Date: Thu, 22 Aug 2019 17:31:50 +0100 From: "Dr. David Alan Gilbert" To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Message-ID: <20190822163150.GA3332@work-vm> References: <20190822114747.GS3267@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20190822114747.GS3267@redhat.com> User-Agent: Mutt/1.12.1 (2019-06-15) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 22 Aug 2019 16:31:54 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] more automated/public CI for QEMU pullreqs 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 , Samuel Ortiz , Kashyap Chamarthy , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Richard Henderson , QEMU Developers , Stefan Hajnoczi , Paolo Bonzini , Alex =?iso-8859-1?Q?Benn=E9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Archived-At: List-Archive: * Daniel P. Berrang=E9 (berrange@redhat.com) wrote: > On Fri, Aug 16, 2019 at 07:16:55PM +0100, Peter Maydell wrote: > > The two major contenders suggested were: > >=20 > > (1) GitLab CI, which supports custom 'runners' which we can set > > up to run builds and tests on machines we have project access to > >=20 > > (2) Patchew, which can handle running tests on multiple machines (eg > > we do s390 testing today for all patches on list), and which we could > > enhance to provide support for the release-manager to do their work > >=20 > > Advantages of Gitlab CI: > > * somebody else is doing the development and maintainance of the > > CI tool -- bigger 'bus factor' than patchew > > * already does (more or less) what we want without needing > > extra coding work > >=20 > > Advantages of Patchew: > > * we're already using it for patch submissions, so we know it's > > not going to go away > > * it's very easy to deploy to a new host > > * no dependencies except Python, so works anywhere we expect > > to be able to build QEMU (whereas gitlab CI's runner is > > written in Go, and there seem to be ongoing issues with getting > > it actually to compile for other architectures than x86) >=20 > IMHO the development tools/processes chosen should enable the project > contributors to maximise the time they can put into developing useful > features for QEMU itself. Time we spend writing CI systems like patchew > is time we're taking away from writing QEMU features, unless the new CI > system offers major efficiency benefits over other existing solutions. >=20 > A second important aspect is that to enable a smooth/shallow onramp > for new contributors it is useful to have our development processes > and tools be familiar to those with general open source dev experience > outside QEMU. >=20 > With both these points in mind, I think it is pretty hard sell to > say we should write & maintain a custom CI system just for QEMU > unless it is offering major compelling functionality we can't do > without. >=20 > IOW, I'd be biased in favour of GitLab CI. I'd agree; and I'd also find it useful to have runners setup for Gitlab CI for related things (it would be useful for the virtio-fs stuff); if there are problems on other architectures then we should find some go wranglers to go fix it. Dave > Regards, > Daniel > --=20 > |: https://berrange.com -o- https://www.flickr.com/photos/dberr= ange :| > |: https://libvirt.org -o- https://fstop138.berrange= .com :| > |: https://entangle-photo.org -o- https://www.instagram.com/dberr= ange :| >=20 -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK