serialnumbergen.sh

#!/bin/bash

function beginArray() {

    case $1 in
    DS916+)
        permanent="NZN"
        serialstart="1130 1230 1330 1430"
        ;;
    DS918+)
        permanent="PDN"
        serialstart="1780 1790 1860 1980"
        ;;
    DS920+)
        permanent="SBR"
        serialstart="2030 2040 20C0 2150"
        ;;
    DS923+)
        permanent="SBR"
        serialstart="2030 2040 20C0 2150"
        ;;
    DS1520+)
        permanent="TRR"
        serialstart="2270"
        ;;
    DS1621+)
        permanent="S7R"
        serialstart="2080"
        ;;
    DS2422+)
        permanent="SLR"
        serialstart="2140 2180"
        ;;
    DS3615xs)
        permanent="LWN"
        serialstart="1130 1230 1330 1430"
        ;;
    DS3617xs)
        permanent="ODN"
        serialstart="1130 1230 1330 1430"
        ;;
    DS3622xs+)
        permanent="SQR"
        serialstart="2030 2040 20C0 2150"
        ;;
    DVA1622)
        permanent="SJR"
        serialstart="2030 2040 20C0 2150"
        ;;
    DVA3219)
        permanent="RFR"
        serialstart="1930 1940"
        ;;
    DVA3221)
        permanent="SJR"
        serialstart="2030 2040 20C0 2150"
        ;;
    FS6400)
        permanent="PSN"
        serialstart="1960"
        ;;
    RS4021xs+)
        permanent="SQR"
        serialstart="2030 2040 20C0 2150"
        ;;
    *)
        permanent="XXX"
        serialstart="0000"
        ;;
    esac

}

function random() {
    printf "%06d" $(($RANDOM % 30000 + 1))
}
function randomhex() {
    val=$(($RANDOM % 255 + 1))
    echo "obase=16; $val" | bc
}

function generateRandomLetter() {
    for i in a b c d e f g h j k l m n p q r s t v w x y z; do
        echo $i
    done | sort -R | tail -1
}

function generateRandomValue() {
    for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f g h j k l m n p q r s t v w x y z; do
        echo $i
    done | sort -R | tail -1
}

function toupper() {

    echo $1 | tr '[:lower:]' '[:upper:]'

}

function generateMacAddress() {

    #toupper "Mac Address: 00:11:32:$(randomhex):$(randomhex):$(randomhex)"
    printf '00:11:32:%02X:%02X:%02X' $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256))

}

function generateSerial() {

    beginArray $1

    case $1 in
    DS916+)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS918+)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS920+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS923+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS1520+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS1621+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS2422+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS3615xs)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS3617xs)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS3622xs+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DVA1622)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DVA3219)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DVA3221)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    FS6400)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    RS4021xs+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    *)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    esac

    echo $serialnum

}

function showhelp() {

    cat <<EOF
$(basename ${0})

----------------------------------------------------------------------------------------
Usage: ${0} <platform>

Available platforms :
----------------------------------------------------------------------------------------
DS916+ DS918+ DS920+ DS923+ DS1520+ DS1621+ DS2422+ DS3615xs DS3617xs DS3622xs+ DVA1622 DVA3219 DVA3221 FS6400 RS4021xs+

e.g. $(basename ${0}) DS3615xs
----------------------------------------------------------------------------------------
EOF

}

if [ -z "$1" ]; then
    showhelp
else
    echo $(generateMacAddress)
    echo $(generateSerial $1)
fi