Synnefo

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

from synnefo.logic.backend import delete_network

from synnefo.management.common import get_network

from synnefo import quotas

class Command(BaseCommand):

    can_import_settings = True

    help = "Remove a network from the Database, and Ganeti"

    output_transaction = True  # The management command runs inside

                               # an SQL transaction

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

        if len(args) < 1:

            raise CommandError("Please provide a network ID")

        network = get_network(args[0])

        self.stdout.write('Trying to remove network: %s\n' % str(network))

        if network.machines.exists():

            raise CommandError('Network is not empty. Can not delete')

        network.action = 'DESTROY'

        network.save()

        if network.userid:

            quotas.issue_and_accept_commission(network, delete=True)

        for bnet in network.backend_networks.exclude(operstate="DELETED"):

            delete_network(network, bnet.backend)

        self.stdout.write("Successfully submitted Ganeti jobs to"

                          " remove network %s" % network.backend_id)