Synnefo

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from optparse import make_option

from django.core.management.base import CommandError

from snf_django.management.commands import SynnefoCommand

from synnefo.management import common

from synnefo.logic import servers

class Command(SynnefoCommand):

    help = "Attach a floating IP to a VM or router"

    option_list = SynnefoCommand.option_list + (

        make_option(

            '--machine',

            dest='machine',

            default=None,

            help='The server id the floating-ip will be attached to'),

    )

    @common.convert_api_faults

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

        if not args or len(args) > 1:

            raise CommandError("Command accepts exactly one argument")

        floating_ip_id = args[0]  # this is the floating-ip address

        device = options['machine']

        if not device:

            raise CommandError('Please give either a server or a router id')

        #get the vm

        vm = common.get_vm(device, for_update=True)

        floating_ip = common.get_floating_ip_by_id(floating_ip_id,

                                                   for_update=True)

        servers.create_port(vm.userid, floating_ip.network,

                            use_ipaddress=floating_ip, machine=vm)

        self.stdout.write("Attached %s to %s.\n" % (floating_ip, vm))