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 Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 060BECD11BF for ; Sat, 23 Mar 2024 13:40:29 +0000 (UTC) Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by mx.groups.io with SMTP id smtpd.web10.8817.1711201225417583474 for ; Sat, 23 Mar 2024 06:40:26 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=pVdR3RA+; spf=pass (domain: bootlin.com, ip: 217.70.183.194, mailfrom: alexandre.belloni@bootlin.com) Received: by mail.gandi.net (Postfix) with ESMTPSA id 5ACF540004; Sat, 23 Mar 2024 13:40:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1711201223; 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: in-reply-to:in-reply-to:references:references; bh=JosB2GMoHRc0tNGPDNiDY71Zl91v4GIpC4Ggg9MN648=; b=pVdR3RA+vQ/xHOeg1yWKldc11zjjD+PuRXBFLeXPU75/i53bUCs3YyVe1c9D9jEmRbKdsY B8/6ZYFXXE9NJdPgfztREoyNmG+c8TGNTk1ilHY0TaVqcCcTzaKc5jKCrCJcvThJYAuZJf VHV7JfnG3LxHqbw+PO7D9yQBcU9gDqnFsT5fNmVTVT2wClcEbVwvZ6HQT/RvarW3Xm+ORg EFcgKgYcjVHTrpk3oeFk3bRzgsGumJUxtw6cXP6lAHEwz265j0useL57KFEULtTA+47gjX 8LwKvSk7JtKA2Nd0eLE2DMNFg8gtk039QjExIgGs5T5nXDOPxywS1ImeyWL7Fg== Date: Sat, 23 Mar 2024 14:40:23 +0100 From: Alexandre Belloni To: johannes.schneider@leica-geosystems.com Cc: openembedded-core@lists.openembedded.org, richard.purdie@linuxfoundation.org Subject: Re: [OE-core] [PATCH v4 0/3] pkg-database and systemd-sysext image Message-ID: <202403231340237d0319a2@mail.local> References: <20240304061553.2281009-1-johannes.schneider@leica-geosystems.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240304061553.2281009-1-johannes.schneider@leica-geosystems.com> X-GND-Sasl: alexandre.belloni@bootlin.com List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Sat, 23 Mar 2024 13:40:29 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/197452 Hello, The series causes failures on the autobuilders: https://autobuilder.yoctoproject.org/typhoon/#/builders/79/builds/6548/steps/14/logs/stdio 2024-03-21 21:05:49,848 - oe-selftest - INFO - 6: 20/46 500/587 (137.73s) (0 failed) (imagefeatures.ImageFeatures.test_image_gen_pkgdbfs) 2024-03-21 21:05:49,848 - oe-selftest - INFO - testtools.testresult.real._StringException: Traceback (most recent call last): File "/home/pokybuild/yocto-worker/oe-selftest-centos/build/meta/lib/oeqa/selftest/cases/imagefeatures.py", line 327, in test_image_gen_pkgdbfs self.assertTrue(os.path.exists(os.path.join(img_vars['DEPLOY_DIR_IMAGE'], 'var/lib/opkg/status')), 'opkg\'s status file was not present in: %s' % tar_file) File "/usr/lib64/python3.9/unittest/case.py", line 688, in assertTrue raise self.failureException(msg) AssertionError: False is not true : opkg's status file was not present in: /home/pokybuild/yocto-worker/oe-selftest-centos/build/build-st-3332915/tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs-pkgdb.tar.gz On 04/03/2024 07:15:50+0100, Johannes Schneider via lists.openembedded.org wrote: > systemd-sysext allows to overlay another image (or multiple) ontop of > a "base-image" = the current rootfs, via the use of overlayfs; to add > tools and features meant for development purposes. > > To quote the documentation on systemd-sysext: > " ...addition in order to make debugging/development easier). System > extension images should not be misunderstood as a generic software > packaging framework, ..." > > To build a lean image, that only holds packages that are not already > part of the base-image, a snapshot of the package-database is taken > after the installation of the base-rootfs is done, and picked up again > when collecting the rootfs of such a extension image. > > with all this in place an example usage could look like this: > some-core-image.bb > inherit core-image > IMAGE_GEN_PKGDBFS = "1" > > extending-image.bb > inherit image-sysext > IMAGE_FSTYPES = "squashfs" > IMAGE_BASE_PKGDB = "some-core-image" > # the above pointing at a package-db similar to: > # build/deploy/images/$MACHINE/some-core-image-$MACHINE-20240210172305-pkgdb.rootfs.tar.gz > > then on the device, running some-core-image, with the extension image placed at FN: > $> ln -s "$FN" /run/extensions/$(basename $FN).raw > $> systemd-sysext list > $> SYSTEMD_LOG_LEVEL=debug systemd-sysext merge > > As long as the VERSION_ID of the extension image matches the os-release > in the base image, the above commands return sucessfully; > for details on the compativility check see the docs for systemd-sysext. > > ========= > > changes with v2: > rebase from 'kirkstone' onto 'master' > > changes with v3; > incorporate review suggestions for simplification > add task dependency handling > add oe-selftest for the pkgdb handling > add variable documentation and > some more comments, and examples in the commit-msg > > changes with v4; > rebase onto 'master' => no functional changes > fixed patchtest findings > > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > View/Reply Online (#196588): https://lists.openembedded.org/g/openembedded-core/message/196588 > Mute This Topic: https://lists.openembedded.org/mt/104717642/3617179 > Group Owner: openembedded-core+owner@lists.openembedded.org > Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [alexandre.belloni@bootlin.com] > -=-=-=-=-=-=-=-=-=-=-=- > -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com