#!/bin/python3
from datetime import datetime
import sys

if len(sys.argv) != 3:
    raise Exception('Provide output file name and environment')
if len(sys.argv[2]) != 6:
    raise Exception('Environment name must be exactly 6 characters')

with open(sys.argv[1], 'wb') as tkey:
    value = ''.join([sys.argv[2], datetime.utcnow().strftime('%Y%m%d%H')])
    tkey.write(value.encode('utf-8'))
    with open('/dev/random', 'rb') as rand:
        tkey.write(rand.read(32))