Synnefo

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from optparse import make_option

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

from synnefo.management.common import get_floating_ip_by_address

from synnefo.logic import servers

class Command(BaseCommand):

    can_import_settings = True

    output_transaction = True

    help = "Dettach a floating IP from a VM or router"

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

        if not args or len(args)>1:

            raise CommandError("Command accepts exactly one argument")

        address = args[0]

        #get the floating-ip

        floating_ip = get_floating_ip_by_address(address, for_update=True)

        if not floating_ip.nic:

            raise CommandError('This floating IP is not attached to a device')

        nic = floating_ip.nic

        vm = nic.machine

        servers.disconnect(vm, nic)

        self.stdout.write("Dettached floating IP %s from  %s.\n"

                           % (floating_ip_id, vm))