neutron/neutron/plugins/ml2/drivers/arista/db.py

81 lines
2.7 KiB
Python

# Copyright (c) 2013 OpenStack Foundation
#
# 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.
import sqlalchemy as sa
from neutron.db import model_base
from neutron.db import models_v2
UUID_LEN = 36
STR_LEN = 255
class AristaProvisionedNets(model_base.BASEV2, models_v2.HasId,
models_v2.HasTenant):
"""Stores networks provisioned on Arista EOS.
Saves the segmentation ID for each network that is provisioned
on EOS. This information is used during synchronization between
Neutron and EOS.
"""
__tablename__ = 'arista_provisioned_nets'
network_id = sa.Column(sa.String(UUID_LEN))
segmentation_id = sa.Column(sa.Integer)
def eos_network_representation(self, segmentation_type):
return {u'networkId': self.network_id,
u'segmentationTypeId': self.segmentation_id,
u'segmentationType': segmentation_type}
class AristaProvisionedVms(model_base.BASEV2, models_v2.HasId,
models_v2.HasTenant):
"""Stores VMs provisioned on Arista EOS.
All VMs launched on physical hosts connected to Arista
Switches are remembered
"""
__tablename__ = 'arista_provisioned_vms'
vm_id = sa.Column(sa.String(STR_LEN))
host_id = sa.Column(sa.String(STR_LEN))
port_id = sa.Column(sa.String(UUID_LEN))
network_id = sa.Column(sa.String(UUID_LEN))
def eos_vm_representation(self):
return {u'vmId': self.vm_id,
u'host': self.host_id,
u'ports': {self.port_id: [{u'portId': self.port_id,
u'networkId': self.network_id}]}}
def eos_port_representation(self):
return {u'vmId': self.vm_id,
u'host': self.host_id,
u'portId': self.port_id,
u'networkId': self.network_id}
class AristaProvisionedTenants(model_base.BASEV2, models_v2.HasId,
models_v2.HasTenant):
"""Stores Tenants provisioned on Arista EOS.
Tenants list is maintained for sync between Neutron and EOS.
"""
__tablename__ = 'arista_provisioned_tenants'
def eos_tenant_representation(self):
return {u'tenantId': self.tenant_id}