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[185.136.64.227]) by gmr-mx.google.com with ESMTPS id af79cd13be357-7d3b8c676ccsi36079085a.0.2025.06.16.02.44.54 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 Jun 2025 02:44:54 -0700 (PDT) Received-SPF: pass (google.com: domain of fm-1328765-20250616094449945e5129fc79974ee7-64fuha@rts-flowmailer.siemens.com designates 185.136.64.227 as permitted sender) client-ip=185.136.64.227; Received: by mta-64-227.siemens.flowmailer.net with ESMTPSA id 20250616094449945e5129fc79974ee7 for ; Mon, 16 Jun 2025 11:44:49 +0200 X-Patchwork-Original-From: "'Badrikesh Prusty' via isar-users" From: Badrikesh Prusty To: isar-users@googlegroups.com Cc: Badrikesh Prusty Subject: [PATCH v3] isar-installer: Mount /tmp as tmpfs for read-only boot fix Date: Mon, 16 Jun 2025 05:44:33 -0400 Message-ID: <20250616094433.44736-1-badrikesh.prusty@siemens.com> In-Reply-To: References: MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-1328765:519-21489:flowmailer X-Original-Sender: badrikesh.prusty@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=fm2 header.b=f2l1qWGI; spf=pass (google.com: domain of fm-1328765-20250616094449945e5129fc79974ee7-64fuha@rts-flowmailer.siemens.com designates 185.136.64.227 as permitted sender) smtp.mailfrom=fm-1328765-20250616094449945e5129fc79974ee7-64FUHA@rts-flowmailer.siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Badrikesh Prusty Reply-To: Badrikesh Prusty Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, RCVD_IN_RP_CERTIFIED,RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= Fix image installation when isar-image-installer rootfs is booted as read-only by ensuring /tmp is mounted as tmpfs. With the latest isar installer, Bmaptool now creates the /tmp/progress pipe to track and display installation progress in a progress bar. This change utilizes systemd's tmp.mount to mount /tmp as tmpfs. Since systemd versions up to Debian Bookworm ship tmp.mount in /usr/share/systemd/, the file must be copied to a directory where systemctl can enable it. For systemd versions 256.x and newer, tmp.mount is shipped in the appropriate location: /usr/lib/systemd/system/tmp.mount Signed-off-by: Badrikesh Prusty --- .../deploy-image/deploy-image_0.1.bb | 6 ++++-- .../systemd-tmpfs-tmp/files/postinst | 15 +++++++++++++++ .../systemd-tmpfs-tmp/systemd-tmpfs-tmp_0.1.bb | 13 +++++++++++++ 3 files changed, 32 insertions(+), 2 deletions(-) create mode 100644 meta-isar/recipes-installer/systemd-tmpfs-tmp/files/postinst create mode 100644 meta-isar/recipes-installer/systemd-tmpfs-tmp/systemd-tmpfs-tmp_0.1.bb diff --git a/meta-isar/recipes-installer/deploy-image/deploy-image_0.1.bb b/meta-isar/recipes-installer/deploy-image/deploy-image_0.1.bb index 54e521b5..b287a8d1 100644 --- a/meta-isar/recipes-installer/deploy-image/deploy-image_0.1.bb +++ b/meta-isar/recipes-installer/deploy-image/deploy-image_0.1.bb @@ -10,8 +10,10 @@ inherit dpkg-raw SRC_URI = "file://usr/bin/deploy-image-wic.sh \ file://usr/lib/deploy-image-wic/handle-config.sh \ " -DEPENDS:bookworm += "bmap-tools" -DEBIAN_DEPENDS = "bmap-tools, pv, dialog, util-linux, parted, fdisk, gdisk, pigz, xz-utils, pbzip2, zstd" + +DEPENDS:append:bookworm = " bmap-tools" +DEPENDS:append = " systemd-tmpfs-tmp" +DEBIAN_DEPENDS = "bmap-tools, pv, dialog, util-linux, parted, fdisk, gdisk, pigz, systemd-tmpfs-tmp, xz-utils, pbzip2, zstd" do_install[cleandirs] = "${D}/usr/bin/ \ ${D}/usr/lib/deploy-image-wic \ " diff --git a/meta-isar/recipes-installer/systemd-tmpfs-tmp/files/postinst b/meta-isar/recipes-installer/systemd-tmpfs-tmp/files/postinst new file mode 100644 index 00000000..cb979303 --- /dev/null +++ b/meta-isar/recipes-installer/systemd-tmpfs-tmp/files/postinst @@ -0,0 +1,15 @@ +#!/bin/sh + +set -e + +# Enable tmp.mount if /tmp is not configured in /etc/fstab +if ! grep -q '/tmp' /etc/fstab; then + # Ensure tmp.mount exists in systemd path + if [ ! -e /usr/lib/systemd/system/tmp.mount ] && [ ! -e /etc/systemd/system/tmp.mount ]; then + cp /usr/share/systemd/tmp.mount /etc/systemd/system/tmp.mount + fi + + # Enable the mount unit using deb-systemd-helper + deb-systemd-helper enable tmp.mount || true +fi + diff --git a/meta-isar/recipes-installer/systemd-tmpfs-tmp/systemd-tmpfs-tmp_0.1.bb b/meta-isar/recipes-installer/systemd-tmpfs-tmp/systemd-tmpfs-tmp_0.1.bb new file mode 100644 index 00000000..c0ab1bcf --- /dev/null +++ b/meta-isar/recipes-installer/systemd-tmpfs-tmp/systemd-tmpfs-tmp_0.1.bb @@ -0,0 +1,13 @@ +# This software is a part of ISAR. +# Copyright (C) Siemens AG, 2025 +# +# SPDX-License-Identifier: MIT + +inherit dpkg-raw + +DESCRIPTION = "Configures /tmp as systemd-managed temporary filesystem (tmpfs), ensuring read-write access even if rootfs is read-only" +MAINTAINER = "isar-users " + +SRC_URI = "file://postinst" + +DEBIAN_DEPENDS = "systemd"