Synnefo

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from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from synnefo.db.models import Network

class Command(BaseCommand):

    args = "<network id>"

    help = "Modify a network"

    option_list = BaseCommand.option_list + (

        make_option('--name',

            dest='name',

            metavar='NAME',

            help="Set network's name"),

        make_option('--owner',

            dest='owner',

            metavar='USER_ID',

            help="Set network's owner"),

        make_option('--subnet',

            dest='subnet',

            help="Set network's subnet"),

        make_option('--gateway',

            dest='gateway',

            help="Set network's gateway"),

        make_option('--subnet6',

            dest='subnet6',

            help="Set network's IPv6 subnet"),

        make_option('--gateway6',

            dest='gateway6',

            help="Set network's IPv6 gateway"),

        make_option('--dhcp',

            dest='dhcp',

            help="Set if network will use nfdhcp"),

        make_option('--state',

            dest='state',

            metavar='STATE',

            help="Set network's state")

    )

    def handle(self, *args, **options):

        if len(args) != 1:

            raise CommandError("Please provide a server ID")

        try:

            network_id = int(args[0])

            network = Network.objects.get(id=network_id)

        except (ValueError, Network.DoesNotExist):

            raise CommandError("Invalid network id")

        name = options.get('name')

        if name is not None:

            network.name = name

        owner = options.get('owner')

        if owner is not None:

            network.userid = owner

        subnet = options.get('subnet')

        if subnet is not None:

            network.subnet = subnet

        gateway = options.get('gateway')

        if gateway is not None:

            network.gateway = gateway

        subnet6 = options.get('subnet6')

        if subnet6 is not None:

            network.subnet6 = subnet6

        gateway6 = options.get('gateway6')

        if gateway6 is not None:

            network.gateway6 = gateway6

        dhcp = options.get('dhcp')

        if dhcp is not None:

            network.dhcp = dhcp

        state = options.get('state')

        if state is not None:

            allowed = [x[0] for x in Network.OPER_STATES]

            if state not in allowed:

                msg = "Invalid state, must be one of %s" % ', '.join(allowed)

                raise CommandError(msg)

            network.state = state

        network.save()