config

#!/usr/bin/python

import argparse
import yaml
import iproute

parser = argparse.ArgumentParser()
parser.set_defaults(config=None, action=None)
parser.add_argument("profile")
parser.add_argument("action")

options = parser.parse_args()

with open("config.yaml") as stream:
    configuration = yaml.load(stream)

profile_name = options.profile
profile = configuration["profiles"][profile_name]
action = options.action
interface = profile["interface"]

assert action in ["up", "down"]

add_delete = {"up": "add", "down": "delete"}[action]

def run(commands):
    for command in commands:
        print(' '.join(command))

if action == "up":
    run(iproute.ip_link_set_up(interface))

for address in profile.get("addresses", []):
    run(iproute.ip_address(add_delete, address, interface, profile.get("alias")))

for route in profile.get("routes", []):
    run(iproute.ip_route(add_delete, route["network"], route.get("gateway"), interface))