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root / snf-cyclades-app / synnefo / api / management / commands / network-remove.py @ c34b2908

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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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#   1. Redistributions of source code must retain the above copyright
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#      notice, this list of conditions and the following disclaimer.
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#
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#  2. Redistributions in binary form must reproduce the above copyright
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#     notice, this list of conditions and the following disclaimer in the
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#     documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are
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# those of the authors and should not be interpreted as representing official
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# policies, either expressed or implied, of GRNET S.A.
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#
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from django.core.management.base import BaseCommand, CommandError
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from synnefo.logic.backend import delete_network
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from synnefo.management.common import get_network
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from synnefo import quotas
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class Command(BaseCommand):
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    can_import_settings = True
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    help = "Remove a network from the Database, and Ganeti"
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    output_transaction = True  # The management command runs inside
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                               # an SQL transaction
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    def handle(self, *args, **options):
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        if len(args) < 1:
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            raise CommandError("Please provide a network ID")
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        network = get_network(args[0])
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        self.stdout.write('Trying to remove network: %s\n' % str(network))
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        if network.machines.exists():
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            raise CommandError('Network is not empty. Can not delete')
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        network.action = 'DESTROY'
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        network.save()
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        quotas.issue_and_accept_commission(network, delete=True)
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        delete_network(network)
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        self.stdout.write('Successfully removed network.\n')