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Thu, 08 May 2025 12:51:42 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/18782 On 06.05.25 14:07, Quirin Gylstorff wrote: > From: Quirin Gylstorff > > This adds an helper script > `/usr/lib/factory-reset/set-factory-reset-marker` which writes the marker file to > the correct location. > Missing description how to use this. This way, it's just some piece of script, lying around in a folder that is on no one's radar. > Signed-off-by: Quirin Gylstorff > --- > .../factory-reset-helper_0.1.bb | 34 +++++++++++++++++++ > .../files/set-factory-reset-marker.sh.tmpl | 28 +++++++++++++++ > 2 files changed, 62 insertions(+) > create mode 100644 recipes-support/factory-reset-helper/factory-reset-helper_0.1.bb > create mode 100644 recipes-support/factory-reset-helper/files/set-factory-reset-marker.sh.tmpl > > diff --git a/recipes-support/factory-reset-helper/factory-reset-helper_0.1.bb b/recipes-support/factory-reset-helper/factory-reset-helper_0.1.bb > new file mode 100644 > index 0000000..72cf5fd > --- /dev/null > +++ b/recipes-support/factory-reset-helper/factory-reset-helper_0.1.bb > @@ -0,0 +1,34 @@ > +# > +# CIP Core, generic profile > +# > +# Copyright (c) Siemens AG, 2025 > +# > +# Authors: > +# Quirin Gylstorff > +# > +# SPDX-License-Identifier: MIT > + > +inherit dpkg-raw > +DPKG_ARCH = "all" > +DESCRIPTION = "helper script to execute a factory reset with a file" ...to request the reset via a marker file. It's not executing anything. > + > +# if this file exists execute a factory reset for the given > +# list of factory-reset targets. > +INITRAMFS_FACTORY_RESET_MARKER ?= ".factory-reset" > +# use labels as crypt setup replaces the label links if > +# an partition is encrypted > +INITRAMFS_FACTORY_RESET_MARKER_STORAGE_DEVICE ??= "/dev/disk/by-partlabel/var" This is duplicating configuration of initramfs-factory-reset-hook. You should make clear that the expectation is that these variable are tuned at global conf level, not in the recipes. That leads the point that we are missing some overview document that describes the adaptation and usage of this new feature. Jan > + > +SRC_URI = "file://set-factory-reset-marker.sh.tmpl" > + > +TEMPLATE_FILES += "set-factory-reset-marker.sh.tmpl" > +TEMPLATE_VARS += " INITRAMFS_FACTORY_RESET_MARKER \ > + INITRAMFS_FACTORY_RESET_MARKER_STORAGE_DEVICE" > +DEBIAN_DEPENDS .= ", coreutils, util-linux" > + > +do_install[cleandirs] += "${D}/usr/lib/factory-reset/" > +do_install:prepend() { > + install -m 0755 "${WORKDIR}/set-factory-reset-marker.sh" \ > + "${D}/usr/lib/factory-reset/" > +} > + > diff --git a/recipes-support/factory-reset-helper/files/set-factory-reset-marker.sh.tmpl b/recipes-support/factory-reset-helper/files/set-factory-reset-marker.sh.tmpl > new file mode 100644 > index 0000000..eacb8fb > --- /dev/null > +++ b/recipes-support/factory-reset-helper/files/set-factory-reset-marker.sh.tmpl > @@ -0,0 +1,28 @@ > +#!/bin/sh > +# > +# CIP Core, generic profile > +# > +# Copyright (c) Siemens AG, 2025 > +# > +# Authors: > +# Quirin Gylstorff > +# > +# SPDX-License-Identifier: MIT > + > + > +marker="$(basename "${INITRAMFS_FACTORY_RESET_MARKER}")" > +marker_storage_device="${INITRAMFS_FACTORY_RESET_MARKER_STORAGE_DEVICE}" > + > +marker_mnt="$(findmnt --first-only --output TARGET --noheadings "${marker_storage_device}")" > +tmp_mnt=$(mktemp -d) > +if [ -z "$marker_mnt" ]; then > + mount "${marker_storage_device}" "$tmp_mnt" > + marker_mnt="${tmp_mnt}" > +fi > +touch "${marker_mnt}/${marker}" > + > +if mountpoint -q "$tmp_mnt"; then > + umount "$tmp_mnt" > +fi > +rmdir "$tmp_mnt" > + -- Siemens AG, Foundational Technologies Linux Expert Center