#!/usr/bin/env python3

import importlib.util
import sys
import ipaddress

if len(sys.argv) != 3 :
    print('error',file=sys.stderr)
    sys.exit(1)

spec = importlib.util.spec_from_file_location('netplan','/usr/share/netplan/netplan/configmanager.py')
netplan = importlib.util.module_from_spec(spec)
spec.loader.exec_module(netplan)
netplan_config_manager = netplan.ConfigManager()
netplan_config_manager.parse()

interface = sys.argv[1]
needle = sys.argv[2]

raw_ip = None
if needle.startswith('replication_'):
    for ip in netplan_config_manager.ethernets[interface]['addresses']:
        if ip.startswith('10.3'):
            raw_ip = ip
            break
        else:
            continue
else:
    for ip in netplan_config_manager.ethernets[interface]['addresses']:
        if not ip.startswith('10.3'):
            raw_ip = ip
            break
        else:
            continue
if not raw_ip:
    print('error 2',file=sys.stderr)
    sys.exit(1)

object_interface = ipaddress.IPv4Interface(raw_ip)

needle = needle.replace('replication_','')

if needle.lower() == 'ip':
    print(object_interface.ip.compressed)
    sys.exit()
elif needle.lower() == 'network':
    print(object_interface.network.compressed)
    sys.exit()