Portainer Edge agent change host

change-host.py

#!/usr/bin/env python3

import argparse
import base64

# Author: Oskar Manhart
# Thanks to: https://thad.getterman.org/articles/changing-the-host-for-a-portainer-edge-agent/
# Licensed under MIT (mit-license.org)

parser = argparse.ArgumentParser(prog="change-host")
parser.add_argument("key")
parser.add_argument("server")
args = parser.parse_args()

decoded = base64.b64decode("%s=" % args.key).decode()
print("Decoded data:", decoded)

decoded = decoded.split("|")
decoded[1] = args.server
decoded = "|".join(decoded)

encoded = base64.b64encode(str.encode(decoded))

print("New edge key:", encoded)