root / snf-cyclades-app / synnefo / api / management / commands / network-create.py @ eefb7355
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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.management.common import validate_network_info, get_backend |
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from synnefo.webproject.management.utils import pprint_table |
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from synnefo.db.models import Network |
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from synnefo.logic.backend import create_network |
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from synnefo.api.util import values_from_flavor |
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NETWORK_FLAVORS = Network.FLAVORS.keys() |
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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( |
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"-n",
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"--dry-run",
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dest="dry_run",
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default=False,
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action="store_true"),
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make_option( |
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'--name',
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dest='name',
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help="Name of network"),
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make_option( |
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'--owner',
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dest='owner',
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help="The owner of the network"),
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make_option( |
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'--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( |
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'--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( |
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'--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( |
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'--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( |
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'--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( |
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'--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( |
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'--flavor',
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dest='flavor',
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default=None,
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choices=NETWORK_FLAVORS, |
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help='Network flavor. Choices: ' + ', '.join(NETWORK_FLAVORS)), |
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make_option( |
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'--mode',
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dest='mode',
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default=None,
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help="Overwrite flavor connectivity mode."),
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make_option( |
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'--link',
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dest='link',
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default=None,
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help="Overwrite flavor connectivity link."),
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make_option( |
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'--mac-prefix',
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dest='mac_prefix',
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default=None,
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help="Overwrite flavor connectivity MAC prefix"),
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make_option( |
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'--tags',
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dest='tags',
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default=None,
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help='The tags of the Network (comma separated strings)'),
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make_option( |
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'--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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) |
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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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dry_run = options["dry_run"]
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name = options['name']
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subnet = options['subnet']
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backend_id = options['backend_id']
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public = options['public']
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flavor = options['flavor']
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mode = options['mode']
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link = options['link']
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mac_prefix = options['mac_prefix']
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tags = options['tags']
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userid = options["owner"]
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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 not flavor: |
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raise CommandError("Flavor 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 not userid and not public: |
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raise CommandError("'owner' is required for private networks") |
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if mac_prefix and flavor == "MAC_FILTERED": |
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raise CommandError("Can not override MAC_FILTERED mac-prefix") |
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if link and flavor == "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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backend = get_backend(backend_id) |
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fmode, flink, fmac_prefix, ftags = values_from_flavor(flavor) |
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mode = mode or fmode
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link = link or flink
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mac_prefix = mac_prefix or fmac_prefix
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tags = tags or ftags
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subnet, gateway, subnet6, gateway6 = validate_network_info(options) |
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if not link or not mode: |
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raise CommandError("Can not create network." |
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" No connectivity link or mode")
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netinfo = { |
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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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"gateway6": gateway6,
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"subnet6": subnet6,
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"dhcp": options["dhcp"], |
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"flavor": flavor,
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"public": public,
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"mode": mode,
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"link": link,
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"mac_prefix": mac_prefix,
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"tags": tags,
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"state": "PENDING"} |
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if dry_run:
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self.stdout.write("Creating network:\n") |
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pprint_table(self.stdout, tuple(netinfo.items())) |
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return
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network = Network.objects.create(**netinfo) |
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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) |