root / snf-cyclades-app / synnefo / api / management / commands / network-create.py @ 53b9ba10
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# Copyright 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
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from optparse import make_option |
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from django.core.management.base import BaseCommand, CommandError |
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from synnefo.db.models import Network, Backend |
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from synnefo.logic.backend import create_network |
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from _common import validate_network_info |
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NETWORK_TYPES = ['PUBLIC_ROUTED', 'PRIVATE_MAC_FILTERED', |
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'PRIVATE_PHYSICAL_VLAN', 'CUSTOM_ROUTED', |
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'CUSTOM_BRIDGED']
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class Command(BaseCommand): |
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can_import_settings = True
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output_transaction = True
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help = "Create a new network"
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option_list = BaseCommand.option_list + ( |
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make_option('--name',
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dest='name',
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help="Name of network"),
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make_option('--owner',
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dest='owner',
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help="The owner of the network"),
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make_option('--subnet',
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dest='subnet',
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default=None,
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# required=True,
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help='Subnet of the network'),
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make_option('--gateway',
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dest='gateway',
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default=None,
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help='Gateway of the network'),
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make_option('--dhcp',
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dest='dhcp',
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action='store_true',
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default=False,
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help='Automatically assign IPs'),
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make_option('--public',
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dest='public',
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action='store_true',
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default=False,
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help='Network is public'),
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make_option('--type',
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dest='type',
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default='PRIVATE_MAC_FILTERED',
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choices=NETWORK_TYPES, |
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help='Type of network. Choices: ' + ', '.join(NETWORK_TYPES)), |
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make_option('--subnet6',
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dest='subnet6',
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default=None,
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help='IPv6 subnet of the network'),
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make_option('--gateway6',
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dest='gateway6',
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default=None,
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help='IPv6 gateway of the network'),
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make_option('--backend-id',
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dest='backend_id',
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default=None,
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help='ID of the backend that the network will be created. Only for'
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' public networks'),
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make_option('--link',
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dest='link',
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default=None,
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help="Connectivity link of the Network. None for default."),
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make_option('--mac-prefix',
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dest='mac_prefix',
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default=None,
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help="MAC prefix of the network. None for default")
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) |
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def handle(self, *args, **options): |
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if args:
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raise CommandError("Command doesn't accept any arguments") |
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name = options['name']
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subnet = options['subnet']
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net_type = options['type']
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backend_id = options['backend_id']
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public = options['public']
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link = options['link']
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mac_prefix = options['mac_prefix']
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if not name: |
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raise CommandError("Name is required") |
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if not subnet: |
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raise CommandError("Subnet is required") |
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if public and not backend_id: |
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raise CommandError("backend-id is required") |
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if backend_id and not public: |
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raise CommandError("Private networks must be created to" |
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" all backends")
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if mac_prefix and net_type == "PRIVATE_MAC_FILTERED": |
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raise CommandError("Can not override MAC_FILTERED mac-prefix") |
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if link and net_type == "PRIVATE_PHYSICAL_VLAN": |
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raise CommandError("Can not override PHYSICAL_VLAN link") |
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if backend_id:
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try:
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backend_id = int(backend_id)
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backend = Backend.objects.get(id=backend_id) |
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except ValueError: |
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raise CommandError("Invalid backend ID") |
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except Backend.DoesNotExist:
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raise CommandError("Backend not found in DB") |
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default_link, default_mac_prefix = net_resources(net_type) |
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if not link: |
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link = default_link |
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if not mac_prefix: |
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mac_prefix = default_mac_prefix |
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subnet, gateway, subnet6, gateway6 = validate_network_info(options) |
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if not link: |
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raise CommandError("Can not create network. No connectivity link") |
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network = Network.objects.create( |
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name=name, |
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userid=options['owner'],
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subnet=subnet, |
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gateway=gateway, |
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dhcp=options['dhcp'],
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type=net_type, |
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public=public, |
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link=link, |
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mac_prefix=mac_prefix, |
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gateway6=gateway6, |
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subnet6=subnet6, |
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state='PENDING')
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if public:
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# Create BackendNetwork only to the specified Backend
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network.create_backend_network(backend) |
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create_network(network, backends=[backend]) |
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else:
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# Create BackendNetwork entries for all Backends
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network.create_backend_network() |
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create_network(network) |