constellation/image/initrd/mkosi.skeleton/usr/sbin/aws-nvme-disk
2023-09-27 17:58:19 +02:00

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#!/usr/bin/env bash
# Copyright (c) Edgeless Systems GmbH
#
# SPDX-License-Identifier: AGPL-3.0-only
set -euo pipefail
shopt -s extglob nullglob inherit_errexit
AWS_STATE_DISK_DEVICENAME="sdb"
AWS_STATE_DISK_SYMLINK="/dev/${AWS_STATE_DISK_DEVICENAME}"
function onError {
echo "Failed to symlink state disk"
sleep 2 # give the serial console time to print the error message
}
trap onError ERR
# hack: aws nvme udev rules are never executed. Create symlinks for the nvme devices manually.
while [[ ! -L ${AWS_STATE_DISK_SYMLINK} ]]; do
for nvmedisk in /dev/nvme*n1; do
linkname=$(nvme amzn id-ctrl -b "${nvmedisk}" | tail -c +3073 | head -c 32 | tr -d ' ') || true
if [[ -n ${linkname} ]] && [[ ${linkname} == "${AWS_STATE_DISK_DEVICENAME}" ]]; then
ln -s "${nvmedisk}" "${AWS_STATE_DISK_SYMLINK}"
fi
done
if [[ -L ${AWS_STATE_DISK_SYMLINK} ]]; then
break
fi
echo "Waiting for state disk to appear.."
sleep 2
done
echo "AWS state disk found"
echo "${AWS_STATE_DISK_SYMLINK}""$(readlink -f "${AWS_STATE_DISK_SYMLINK}")"