Synnefo

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from optparse import make_option

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

from synnefo.management import common

#from snf_django.management.utils import parse_bool

from synnefo.volume import snapshots

class Command(BaseCommand):

    args = "<volume ID>"

    help = "Create a snapshot from the specified volume"

    option_list = BaseCommand.option_list + (

        make_option(

            '--wait',

            dest='wait',

            default="True",

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

            metavar="True|False",

            help="Wait for Ganeti job to complete."),

        make_option(

            "--name",

            dest="name",

            default=None,

            help="Display name of the snapshot"),

        make_option(

            "--description",

            dest="description",

            default=None,

            help="Display description of the snapshot"),

    )

    @common.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")

        if name is None:

            raise CommandError("'name' option is required")

        description = options.get("description")

        if description is None:

            description = "Snapshot of Volume '%s" % volume.id

        snapshot = snapshots.create(volume.userid,

                                    volume,

                                    name=name,

                                    description=description,

                                    metadata={})

        msg = ("Created snapshot of volume '%s' with ID %s\n"

               % (volume.id, snapshot["id"]))

        self.stdout.write(msg)