constellation/image/mkosi.skeleton/usr/lib/dracut/modules.d/39constellation-mount/aws-nvme-disk.sh
Malte Poll 07f2ed94f8
Manually create AWS state disk symlink (#355)
Co-authored-by: Nils Hanke <Nirusu@users.noreply.github.com>
2022-10-24 11:55:11 +02:00

31 lines
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Bash

#!/usr/bin/env bash
# Copyright (c) Edgeless Systems GmbH
#
# SPDX-License-Identifier: AGPL-3.0-only
set -euo pipefail
shopt -s extglob nullglob
AWS_STATE_DISK_DEVICENAME="sdb"
AWS_STATE_DISK_SYMLINK="/dev/${AWS_STATE_DISK_DEVICENAME}"
# hack: aws nvme udev rules are never executed. Create symlinks for the nvme devices manually.
while [ ! -L "${AWS_STATE_DISK_SYMLINK}" ]
do
for nvmedisk in /dev/nvme*n1
do
linkname=$(nvme amzn id-ctrl -b "${nvmedisk}" | tail -c +3072 | 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}")