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('--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

        state = options.get('state')

        if state is not None:

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

            if state not in allowed:

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

                raise CommandError(msg)

            network.state = state

        network.save()