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Gylstorff" To: jan.kiszka@siemens.com, isar-users@googlegroups.com Subject: [PATCH] classes/image-postproc-extension: Remove /etc/machine-id Date: Tue, 19 Apr 2022 17:36:40 +0200 Message-Id: <20220419153640.222797-1-Quirin.Gylstorff@siemens.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-51332:519-21489:flowmailer X-TUID: 5ppHKJxW44hJ From: kas In a read-only system the machine id should be deleted or set to `unitialized\n`[1]. Systemd will generate a new machine-id during the first boot. In the case of a read-only root file system Systemd generates a mount point with the machine id. If an overlay for /etc is used this creates a mount conflict. To avoid the conflict between the overlay filesystem and systemd /etc/machine-id mount point deleted the file /etc/machine-id. [1]: https://systemd.io/BUILDING_IMAGES/ Signed-off-by: Quirin Gylstorff --- meta/classes/image-postproc-extension.bbclass | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/meta/classes/image-postproc-extension.bbclass b/meta/classes/image-postproc-extension.bbclass index ca520273..0c412c0d 100644 --- a/meta/classes/image-postproc-extension.bbclass +++ b/meta/classes/image-postproc-extension.bbclass @@ -57,7 +57,7 @@ ROOTFS_POSTPROCESS_COMMAND =+ "image_postprocess_machine_id" image_postprocess_machine_id() { # systemd(1) takes care of recreating the machine-id on first boot sudo rm -f '${IMAGE_ROOTFS}/var/lib/dbus/machine-id' - sudo install -m 644 '/dev/null' '${IMAGE_ROOTFS}/etc/machine-id' + sudo rm -f '${IMAGE_ROOTFS}/etc/machine-id' } ROOTFS_POSTPROCESS_COMMAND =+ "image_postprocess_sshd_key_regen" -- 2.35.1