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image-builder: create /etc/machine-id

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systemd complains if `/etc/machine-id` does not exist. Create the `machine-id`
file to make systemd happy, it'll bind-mount that file to write the machine id.

fixes #296
fixes github.com/kata-containers/runtime#1537

Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit is contained in:
Julio Montes 2019-05-22 12:22:59 -05:00
parent 67b66c4d95
commit a438d086b2
1 changed files with 3 additions and 0 deletions
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3
image-builder/image_builder.sh
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@ -382,6 +382,9 @@ create_rootfs_image() {
find "${mount_dir}" -type f -name "${u}" -exec rm -f {} \;
done
info "Creating empty machine-id to allow systemd to bind-mount it"
touch "${mount_dir}/etc/machine-id"
info "Unmounting root partition"
umount "${mount_dir}"
OK "Root partition unmounted"