From patchwork Mon Jan 27 14:07:47 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quirin Gylstorff X-Patchwork-Id: 13951424 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 A9514C02188 for ; Mon, 27 Jan 2025 14:08:20 +0000 (UTC) Received: from mta-65-227.siemens.flowmailer.net (mta-65-227.siemens.flowmailer.net [185.136.65.227]) by mx.groups.io with SMTP id smtpd.web11.52024.1737986899038437719 for ; Mon, 27 Jan 2025 06:08:20 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=Quirin.Gylstorff@siemens.com header.s=fm2 header.b=LrRZzX6V; spf=pass (domain: rts-flowmailer.siemens.com, ip: 185.136.65.227, mailfrom: fm-51332-202501271408154fb27e24cbea2e4789-c0it6m@rts-flowmailer.siemens.com) Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 202501271408154fb27e24cbea2e4789 for ; Mon, 27 Jan 2025 15:08:15 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2; d=siemens.com; i=Quirin.Gylstorff@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=R8aYW007y1NjFH2p6vG1eTMpo/BEaz2e18pR9cZIHxU=; b=LrRZzX6VFSecT4e1Tf9GDbbUM6RPfsGvE8mb6tAH9KQ7xcymMIz+crVZwA0a4U5FEWtfCv FHu4JIUV5qVY++myp2R0tT4+QVDlhaD8M3Roma1zL2xoHhMXQ2OngDUWFCWVh9p0u2c9thTD IptWOjQ/45lqG/SQRUF3GCklx5ltUY4lzSSWo2WaCNRLwqkTxHRvy3WmOxeUji3ME+e05/9C Az3/BiQ+g9i/ZLsIvWxuecSbGAslTEhafWo5YkptrH/l5bFKrghjDOYu1zx6WLcclvFE4iJd CYODlG/y/klCE3mFb2tT20/MtaG4ijT+gZQN8/Gae12URL1Yy1dtxOhw==; From: Quirin Gylstorff To: ludwig.nussel@siemens.com, cip-dev@lists.cip-project.org, jan.kiszka@siemens.com Subject: [cip-dev][isar-cip-core][RFC] read-only-rootfs.bbclass: Exclude var and home from the erofs and squashfs Date: Mon, 27 Jan 2025 15:07:47 +0100 Message-ID: <20250127140814.762632-1-Quirin.Gylstorff@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-51332:519-21489:flowmailer 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 ; Mon, 27 Jan 2025 14:08:20 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/17671 From: Quirin Gylstorff This excludes the content of both var and home from the root file system. This fixes issue #126. Signed-off-by: Quirin Gylstorff --- classes/read-only-rootfs.bbclass | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/classes/read-only-rootfs.bbclass b/classes/read-only-rootfs.bbclass index 9ebcadc..b3bab32 100644 --- a/classes/read-only-rootfs.bbclass +++ b/classes/read-only-rootfs.bbclass @@ -34,6 +34,10 @@ copy_dpkg_state() { sudo cp -a ${ROOTFSDIR}/var/lib/dpkg "$IMMUTABLE_VAR_LIB/" } +RO_ROOTFS_EXCLUDE_DIRS = "var home" +EROFS_EXCLUDE_DIRS = "${RO_ROOTFS_EXCLUDE_DIRS}" +SQUASHFS_EXCLUDE_DIRS = "${RO_ROOTFS_EXCLUDE_DIRS}" + image_configure_fstab() { sudo tee '${IMAGE_ROOTFS}/etc/fstab' << EOF # Begin /etc/fstab