Synnefo

# Copyright 2012 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

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

    command_option_list = RemoveCommand.command_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()