You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
280 lines
12 KiB
Python
280 lines
12 KiB
Python
# Copyright (c) 2012 OpenStack Foundation.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
from neutron_lib.api.definitions import network as net_def
|
|
from neutron_lib.api.definitions import port as port_def
|
|
from neutron_lib.api.definitions import subnet as subnet_def
|
|
from neutron_lib.api.definitions import subnetpool as subnetpool_def
|
|
from neutron_lib import constants
|
|
from neutron_lib.db import constants as db_const
|
|
from neutron_lib.db import model_base
|
|
import sqlalchemy as sa
|
|
from sqlalchemy import orm
|
|
from sqlalchemy import sql
|
|
|
|
from neutron.db.network_dhcp_agent_binding import models as ndab_model
|
|
from neutron.db import rbac_db_models
|
|
from neutron.db import standard_attr
|
|
|
|
|
|
class IPAllocationPool(model_base.BASEV2, model_base.HasId):
|
|
"""Representation of an allocation pool in a Neutron subnet."""
|
|
|
|
subnet_id = sa.Column(sa.String(36), sa.ForeignKey('subnets.id',
|
|
ondelete="CASCADE"),
|
|
nullable=True)
|
|
first_ip = sa.Column(sa.String(64), nullable=False)
|
|
last_ip = sa.Column(sa.String(64), nullable=False)
|
|
|
|
def __repr__(self):
|
|
return "%s - %s" % (self.first_ip, self.last_ip)
|
|
|
|
|
|
class IPAllocation(model_base.BASEV2):
|
|
"""Internal representation of allocated IP addresses in a Neutron subnet.
|
|
"""
|
|
|
|
port_id = sa.Column(sa.String(36), sa.ForeignKey('ports.id',
|
|
ondelete="CASCADE"),
|
|
nullable=True)
|
|
ip_address = sa.Column(sa.String(64), nullable=False, primary_key=True)
|
|
subnet_id = sa.Column(sa.String(36), sa.ForeignKey('subnets.id',
|
|
ondelete="CASCADE"),
|
|
nullable=False, primary_key=True)
|
|
network_id = sa.Column(sa.String(36), sa.ForeignKey("networks.id",
|
|
ondelete="CASCADE"),
|
|
nullable=False, primary_key=True)
|
|
revises_on_change = ('port', )
|
|
|
|
|
|
class Route(object):
|
|
"""mixin of a route."""
|
|
|
|
destination = sa.Column(sa.String(64), nullable=False, primary_key=True)
|
|
nexthop = sa.Column(sa.String(64), nullable=False, primary_key=True)
|
|
|
|
|
|
class SubnetRoute(model_base.BASEV2, Route):
|
|
|
|
subnet_id = sa.Column(sa.String(36),
|
|
sa.ForeignKey('subnets.id',
|
|
ondelete="CASCADE"),
|
|
primary_key=True)
|
|
|
|
|
|
class Port(standard_attr.HasStandardAttributes, model_base.BASEV2,
|
|
model_base.HasId, model_base.HasProject):
|
|
"""Represents a port on a Neutron v2 network."""
|
|
|
|
name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
|
|
network_id = sa.Column(sa.String(36), sa.ForeignKey("networks.id"),
|
|
nullable=False)
|
|
fixed_ips = orm.relationship(IPAllocation,
|
|
backref=orm.backref('port',
|
|
load_on_pending=True),
|
|
lazy='subquery',
|
|
cascade='all, delete-orphan',
|
|
order_by=(IPAllocation.ip_address,
|
|
IPAllocation.subnet_id))
|
|
|
|
mac_address = sa.Column(sa.String(32), nullable=False)
|
|
admin_state_up = sa.Column(sa.Boolean(), nullable=False)
|
|
status = sa.Column(sa.String(16), nullable=False)
|
|
device_id = sa.Column(sa.String(db_const.DEVICE_ID_FIELD_SIZE),
|
|
nullable=False)
|
|
device_owner = sa.Column(sa.String(db_const.DEVICE_OWNER_FIELD_SIZE),
|
|
nullable=False)
|
|
ip_allocation = sa.Column(sa.String(16))
|
|
|
|
__table_args__ = (
|
|
sa.Index(
|
|
'ix_ports_network_id_mac_address', 'network_id', 'mac_address'),
|
|
sa.Index(
|
|
'ix_ports_network_id_device_owner', 'network_id', 'device_owner'),
|
|
sa.Index('ix_ports_device_id', 'device_id'),
|
|
sa.UniqueConstraint(
|
|
network_id, mac_address,
|
|
name='uniq_ports0network_id0mac_address'),
|
|
model_base.BASEV2.__table_args__
|
|
)
|
|
api_collections = [port_def.COLLECTION_NAME]
|
|
collection_resource_map = {port_def.COLLECTION_NAME:
|
|
port_def.RESOURCE_NAME}
|
|
tag_support = True
|
|
|
|
def __init__(self, id=None, tenant_id=None, project_id=None, name=None,
|
|
network_id=None, mac_address=None, admin_state_up=None,
|
|
status=None, device_id=None, device_owner=None,
|
|
fixed_ips=None, **kwargs):
|
|
super(Port, self).__init__(**kwargs)
|
|
self.id = id
|
|
self.project_id = project_id or tenant_id
|
|
self.name = name
|
|
self.network_id = network_id
|
|
self.mac_address = mac_address
|
|
self.admin_state_up = admin_state_up
|
|
self.device_owner = device_owner
|
|
self.device_id = device_id
|
|
# Since this is a relationship only set it if one is passed in.
|
|
if fixed_ips:
|
|
self.fixed_ips = fixed_ips
|
|
|
|
# NOTE(arosen): status must be set last as an event is triggered on!
|
|
self.status = status
|
|
|
|
|
|
class DNSNameServer(model_base.BASEV2):
|
|
"""Internal representation of a DNS nameserver."""
|
|
|
|
address = sa.Column(sa.String(128), nullable=False, primary_key=True)
|
|
subnet_id = sa.Column(sa.String(36),
|
|
sa.ForeignKey('subnets.id',
|
|
ondelete="CASCADE"),
|
|
primary_key=True)
|
|
order = sa.Column(sa.Integer, nullable=False, server_default='0')
|
|
|
|
|
|
class Subnet(standard_attr.HasStandardAttributes, model_base.BASEV2,
|
|
model_base.HasId, model_base.HasProject):
|
|
"""Represents a neutron subnet.
|
|
|
|
When a subnet is created the first and last entries will be created. These
|
|
are used for the IP allocation.
|
|
"""
|
|
|
|
name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
|
|
network_id = sa.Column(sa.String(36), sa.ForeignKey('networks.id'),
|
|
nullable=False)
|
|
# Added by the segments service plugin
|
|
segment_id = sa.Column(sa.String(36), sa.ForeignKey('networksegments.id'))
|
|
subnetpool_id = sa.Column(sa.String(36), index=True)
|
|
# NOTE: Explicitly specify join conditions for the relationship because
|
|
# subnetpool_id in subnet might be 'prefix_delegation' when the IPv6 Prefix
|
|
# Delegation is enabled
|
|
subnetpool = orm.relationship(
|
|
'SubnetPool', lazy='joined',
|
|
foreign_keys='Subnet.subnetpool_id',
|
|
primaryjoin='Subnet.subnetpool_id==SubnetPool.id')
|
|
ip_version = sa.Column(sa.Integer, nullable=False)
|
|
cidr = sa.Column(sa.String(64), nullable=False)
|
|
gateway_ip = sa.Column(sa.String(64))
|
|
network_standard_attr = orm.relationship(
|
|
'StandardAttribute', lazy='subquery', viewonly=True,
|
|
secondary='networks', uselist=False,
|
|
load_on_pending=True)
|
|
revises_on_change = ('network_standard_attr', )
|
|
allocation_pools = orm.relationship(IPAllocationPool,
|
|
backref='subnet',
|
|
lazy="subquery",
|
|
cascade='delete')
|
|
enable_dhcp = sa.Column(sa.Boolean())
|
|
dns_nameservers = orm.relationship(DNSNameServer,
|
|
backref='subnet',
|
|
cascade='all, delete, delete-orphan',
|
|
order_by=DNSNameServer.order,
|
|
lazy='subquery')
|
|
routes = orm.relationship(SubnetRoute,
|
|
backref='subnet',
|
|
cascade='all, delete, delete-orphan',
|
|
lazy='subquery')
|
|
ipv6_ra_mode = sa.Column(sa.Enum(constants.IPV6_SLAAC,
|
|
constants.DHCPV6_STATEFUL,
|
|
constants.DHCPV6_STATELESS,
|
|
name='ipv6_ra_modes'),
|
|
nullable=True)
|
|
ipv6_address_mode = sa.Column(sa.Enum(constants.IPV6_SLAAC,
|
|
constants.DHCPV6_STATEFUL,
|
|
constants.DHCPV6_STATELESS,
|
|
name='ipv6_address_modes'),
|
|
nullable=True)
|
|
# subnets don't have their own rbac_entries, they just inherit from
|
|
# the network rbac entries
|
|
rbac_entries = orm.relationship(
|
|
rbac_db_models.NetworkRBAC, lazy='subquery', uselist=True,
|
|
foreign_keys='Subnet.network_id',
|
|
primaryjoin='Subnet.network_id==NetworkRBAC.object_id')
|
|
api_collections = [subnet_def.COLLECTION_NAME]
|
|
collection_resource_map = {subnet_def.COLLECTION_NAME:
|
|
subnet_def.RESOURCE_NAME}
|
|
tag_support = True
|
|
|
|
|
|
class SubnetPoolPrefix(model_base.BASEV2):
|
|
"""Represents a neutron subnet pool prefix
|
|
"""
|
|
|
|
__tablename__ = 'subnetpoolprefixes'
|
|
|
|
cidr = sa.Column(sa.String(64), nullable=False, primary_key=True)
|
|
subnetpool_id = sa.Column(sa.String(36),
|
|
sa.ForeignKey('subnetpools.id',
|
|
ondelete='CASCADE'),
|
|
nullable=False,
|
|
primary_key=True)
|
|
|
|
|
|
class SubnetPool(standard_attr.HasStandardAttributes, model_base.BASEV2,
|
|
model_base.HasId, model_base.HasProject):
|
|
"""Represents a neutron subnet pool.
|
|
"""
|
|
|
|
name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
|
|
ip_version = sa.Column(sa.Integer, nullable=False)
|
|
default_prefixlen = sa.Column(sa.Integer, nullable=False)
|
|
min_prefixlen = sa.Column(sa.Integer, nullable=False)
|
|
max_prefixlen = sa.Column(sa.Integer, nullable=False)
|
|
shared = sa.Column(sa.Boolean, nullable=False)
|
|
is_default = sa.Column(sa.Boolean, nullable=False,
|
|
server_default=sql.false())
|
|
default_quota = sa.Column(sa.Integer, nullable=True)
|
|
hash = sa.Column(sa.String(36), nullable=False, server_default='')
|
|
address_scope_id = sa.Column(sa.String(36), nullable=True)
|
|
prefixes = orm.relationship(SubnetPoolPrefix,
|
|
backref='subnetpools',
|
|
cascade='all, delete, delete-orphan',
|
|
lazy='subquery')
|
|
api_collections = [subnetpool_def.COLLECTION_NAME]
|
|
collection_resource_map = {subnetpool_def.COLLECTION_NAME:
|
|
subnetpool_def.RESOURCE_NAME}
|
|
tag_support = True
|
|
|
|
|
|
class Network(standard_attr.HasStandardAttributes, model_base.BASEV2,
|
|
model_base.HasId, model_base.HasProject):
|
|
"""Represents a v2 neutron network."""
|
|
|
|
name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
|
|
subnets = orm.relationship(
|
|
Subnet,
|
|
lazy="subquery")
|
|
status = sa.Column(sa.String(16))
|
|
admin_state_up = sa.Column(sa.Boolean)
|
|
vlan_transparent = sa.Column(sa.Boolean, nullable=True)
|
|
rbac_entries = orm.relationship(rbac_db_models.NetworkRBAC,
|
|
backref=orm.backref('network',
|
|
load_on_pending=True),
|
|
lazy='subquery',
|
|
cascade='all, delete, delete-orphan')
|
|
availability_zone_hints = sa.Column(sa.String(255))
|
|
# TODO(ihrachys) provide data migration path to fill in mtus for existing
|
|
# networks in Queens when all controllers run Pike+ code
|
|
mtu = sa.Column(sa.Integer, nullable=True)
|
|
dhcp_agents = orm.relationship(
|
|
'Agent', lazy='subquery', viewonly=True,
|
|
secondary=ndab_model.NetworkDhcpAgentBinding.__table__)
|
|
api_collections = [net_def.COLLECTION_NAME]
|
|
collection_resource_map = {net_def.COLLECTION_NAME: net_def.RESOURCE_NAME}
|
|
tag_support = True
|