Synnefo

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from optparse import make_option

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

from snf_django.management.utils import parse_bool

from synnefo.management.common import convert_api_faults

from synnefo.management import pprint, common

from synnefo.volume import volumes

class Command(BaseCommand):

    help = "Modify a volume"

    args = "<volume ID>"

    option_list = BaseCommand.option_list + (

        make_option(

            '--name',

            dest='name',

            help="Modify a volume's display name"),

        make_option(

            '--description',

            dest='description',

            help="Modify a volume's display description"),

        make_option(

            '--delete-on-termination',

            dest='delete_on_termination',

            default="True",

            choices=["True", "False"],

            metavar="True|False",

            help="Set whether volume will be preserved when the server"

                 " the volume is attached will be deleted"),

    )

    @convert_api_faults

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

        if len(args) != 1:

            raise CommandError("Please provide a volume ID")

        volume = common.get_volume(args[0])

        name = options.get("name")

        description = options.get("description")

        delete_on_termination = options.get("delete_on_termination")

        if delete_on_termination is not None:

            delete_on_termination = parse_bool(delete_on_termination)

        volume = volumes.update(volume, name, description,

                                delete_on_termination)

        pprint.pprint_volume(volume, stdout=self.stdout)

        self.stdout.write('\n\n')