Synnefo

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from optparse import make_option

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

from synnefo.management import common

from synnefo.logic import subnets

HELP_MSG = """

Update a subnet without authenticating the user. Only the name of a subnet can

be updated.

"""

class Command(BaseCommand):

    help = "Update a Subnet." + HELP_MSG

    args = "<Subnet ID>"

    option_list = BaseCommand.option_list + (

        make_option("--name", dest="name",

                    help="The new subnet name."),

    )

    @common.convert_api_faults

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

        if len(args) != 1:

            raise CommandError("Command accepts only the subnet ID as an"

                               " argument. Use snf-manage subnet-modify --help"

                               " for more info.")

        subnet_id = args[0]

        name = options["name"]

        if not name:

            raise CommandError("--name is mandatory")

        subnet = common.get_resource("subnet", subnet_id, for_update=True)

        user_id = common.get_resource("network", subnet.network.id).userid

        subnets.update_subnet(sub_id=subnet_id,

                              name=name,

                              user_id=user_id)