Terraform base36 external data source

base36.py

import json
import sys

BS = "0123456789abcdefghijklmnopqrstuvwxyz"

def parse_input():
    input = sys.stdin.read()
    return json.loads(input)

def to_base(n, b): 
    return "0" if not n else to_base(n//b, b).lstrip("0") + BS[n%b]

def b36_encode(s):
    """
    Converts string to base16 integer, then to base36 string
    """
    n = int("".join([hex(ord(c))[2:] for c in s]), base=16)
    return to_base(n, 36)


if __name__ == "__main__":
    input = parse_input()
    result = b36_encode(input.get('input'))
    print(json.dumps(
        {"val": result}
    ))

main.tf

data "external" "base36" {
  program = ["python3", "base36.py"]
  query = {
    input = "damon"
  }
}

output "base36_val" {
  value = data.external.base36.result.val
}