Synnefo

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from django.core.management.base import BaseCommand

from optparse import make_option

from snf_django.management.utils import pprint_table

from synnefo.plankton.utils import image_backend

class Command(BaseCommand):

    help = "List public snapshots or snapshots available to a user."

    option_list = BaseCommand.option_list + (

        make_option(

            '--user-id',

            dest='userid',

            default=None,

            help="List all snapshots available to that user."

                 " If no user is specified, only public snapshots"

                 " are displayed."),

    )

    def handle(self, **options):

        user = options['userid']

        with image_backend(user) as backend:

            snapshots = backend.list_snapshots(user)

        headers = ("id", "name", "volume_id", "size", "mapfile")

        table = []

        for snap in snapshots:

            fields = (snap["id"], snap["name"], snap["volume_id"],

                      snap["size"], snap["mapfile"])

            table.append(fields)

        pprint_table(self.stdout, table, headers)