681d096ef2
This fixes bug 1008029. The allocation is done as follows (according to the value of port['fixed_ips']): - api_router.ATTR_NOT_SPECIFIED - Quantum will generate an IP address. If a v4 subnet is defined then a v4 address will be generated. If a v6 subnet is defined then a v6 address will be generated. If both are defined then both v4 and v6 addresses will be generated. - user configuration which may contain a list of the following: - ip_address - the specific IP address will be generated - subnet_id - an IP address from the subnet will be generated Change-Id: I3bb1b83b8824364b37dbecfa140331c4a1fd2762
91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
# Copyright (c) 2012 OpenStack, LLC.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sqlalchemy as sa
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from sqlalchemy import orm
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from quantum.db import model_base
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class HasTenant(object):
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"""Tenant mixin, add to subclasses that have a tenant."""
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# NOTE(jkoelker) tenant_id is just a free form string ;(
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tenant_id = sa.Column(sa.String(255))
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class IPAllocationRange(model_base.BASEV2):
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"""Internal representation of a free IP address range in a Quantum
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subnet. The range of available ips is [first_ip..last_ip]. The
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allocation retrieves the first entry from the range. If the first
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entry is equal to the last entry then this row will be deleted.
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Recycling ips involves appending to existing ranges. This is
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only done if the range is contiguous. If not, the first_ip will be
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the same as the last_ip. When adjacent ips are recycled the ranges
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will be merged.
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"""
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subnet_id = sa.Column(sa.String(36), sa.ForeignKey('subnets.id'),
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nullable=True)
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first_ip = sa.Column(sa.String(64), nullable=False)
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last_ip = sa.Column(sa.String(64), nullable=False)
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class IPAllocation(model_base.BASEV2):
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"""Internal representation of allocated IP addresses in a Quantum subnet.
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"""
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port_id = sa.Column(sa.String(36), sa.ForeignKey('ports.id'),
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nullable=False, primary_key=True)
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ip_address = sa.Column(sa.String(64), nullable=False, primary_key=True)
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subnet_id = sa.Column(sa.String(36), sa.ForeignKey('subnets.id'),
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nullable=False, primary_key=True)
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network_id = sa.Column(sa.String(36), sa.ForeignKey("networks.id"),
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nullable=False, primary_key=True)
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class Port(model_base.BASEV2, HasTenant):
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"""Represents a port on a quantum v2 network."""
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network_id = sa.Column(sa.String(36), sa.ForeignKey("networks.id"),
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nullable=False)
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fixed_ips = orm.relationship(IPAllocation, backref='ports', lazy="dynamic")
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mac_address = sa.Column(sa.String(32), nullable=False)
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admin_state_up = sa.Column(sa.Boolean(), nullable=False)
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status = sa.Column(sa.String(16), nullable=False)
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device_id = sa.Column(sa.String(255), nullable=False)
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class Subnet(model_base.BASEV2):
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"""Represents a quantum subnet.
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When a subnet is created the first and last entries will be created. These
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are used for the IP allocation.
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"""
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network_id = sa.Column(sa.String(36), sa.ForeignKey('networks.id'))
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ip_version = sa.Column(sa.Integer, nullable=False)
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cidr = sa.Column(sa.String(64), nullable=False)
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gateway_ip = sa.Column(sa.String(64))
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#TODO(danwent):
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# - dns_namservers
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# - excluded_ranges
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# - additional_routes
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class Network(model_base.BASEV2, HasTenant):
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"""Represents a v2 quantum network."""
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name = sa.Column(sa.String(255))
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ports = orm.relationship(Port, backref='networks')
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subnets = orm.relationship(Subnet, backref='networks')
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status = sa.Column(sa.String(16))
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admin_state_up = sa.Column(sa.Boolean)
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