Synnefo

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from django.core.management.base import CommandError

from snf_django.management.commands import RemoveCommand

from optparse import make_option

from synnefo.management.common import pool_table_from_type

POOL_CHOICES = ['bridge', 'mac-prefix']

class Command(RemoveCommand):

    help = "Remove a pool."

    args = "<pool ID>"

    output_transaction = True

    option_list = RemoveCommand.option_list + (

        make_option("--type", dest="type",

                    choices=POOL_CHOICES,

                    help="Type of pool"

                    ),

    )

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

        type_ = options['type']

        if not type_:

            raise CommandError("Type of pool is mandatory")

        pool_table = pool_table_from_type(type_)

        force = options['force']

        self.confirm_deletion(force, "pool(s)", args)

        try:

            pool_id = int(args[0])

            pool = pool_table.objects.get(id=pool_id)

        except (ValueError, pool_table.DoesNotExist):

            raise CommandError("Invalid pool ID")

        pool.delete()