Creating Netmiko object to access an SSH device via SpectroServer telnetd

spectro_netmiko.py

#!/usr/env/bin python3
"""
Example of connecting to an SSH device via SpectroServer telnetd service using
Netmiko.
"""

from telnetlib import Telnet
from netmiko import ConnectHandler
from getpass import getpass

SPECTROSERVER_HOST = "10.10.10.10" # Change accordingly
SPECTROSERVER_PORT = 31415 # This is default port of telnetd service
DEVICE_IP = "172.16.200.12" # Change to IP address of network device


def main() -> None:

    device = {
        "device_type": "cisco_ios",
        "host": DEVICE_IP,
        "username": input("Device username: "),
        "password": getpass("Device password: ")
    }
   
    relay_cmd = f"relay {DEVICE_IP} 22"

    tn = Telnet(SPECTROSERVER_HOST, SPECTROSERVER_PORT)
    tn.write(relay_cmd.encode('ascii') + "\r\n".encode('ascii'))
    sock = tn.get_socket()

    net_connect = ConnectHandler(sock=sock, **device)
    output = net_connect.send_command("show version")
    print(output)
    net_connect.disconnect()


if __name__ == "__main__":
    main()