#!/bin/sh -e

config_file=/etc/sd_alias.conf

get_scsi_id()
{
	echo $1 | sed -n "s/.*scsi-\([^-]*\).*/\1/p"
}

get_scsi_alias()
{
	[ -n "$1" ] || exit 1
	set -- $(grep $1 $config_file)
	echo $2
}

id_path=$1

[ -f "$config_file" ] || exit 1

sd_alias=$(get_scsi_alias $(get_scsi_id $id_path))

[ -n "$sd_alias" ] || exit 1
echo "SD_ALIAS=$sd_alias"
