vmware-nsx/quantum/plugins/brocade/db/models.py
Sergey Skripnick 1e166f3efd Docstrings formatted according to pep257
Bug #1020184

quantum/plugins/bigswitch/*
quantum/plugins/brocade/*

Change-Id: I9bf4381738319551a5993d4b279a5cec3425b7ef
2013-04-30 09:27:49 +03:00

152 lines
4.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2013 Brocade Communications System, Inc.
# 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.
#
# Authors:
# Shiv Haris (sharis@brocade.com)
# Varma Bhupatiraju (vbhupati@#brocade.com)
"""Brocade specific database schema/model."""
import sqlalchemy as sa
from quantum.db import model_base
from quantum.db import models_v2
class BrocadeNetwork(model_base.BASEV2, models_v2.HasId):
"""Schema for brocade network."""
vlan = sa.Column(sa.String(10))
class BrocadePort(model_base.BASEV2):
"""Schema for brocade port."""
port_id = sa.Column(sa.String(36), primary_key=True, default="")
network_id = sa.Column(sa.String(36),
sa.ForeignKey("brocadenetworks.id"),
nullable=False)
admin_state_up = sa.Column(sa.Boolean, nullable=False)
physical_interface = sa.Column(sa.String(36))
vlan_id = sa.Column(sa.String(36))
tenant_id = sa.Column(sa.String(36))
def create_network(context, net_id, vlan):
"""Create a brocade specific network/port-profiles."""
session = context.session
with session.begin(subtransactions=True):
net = BrocadeNetwork(id=net_id, vlan=vlan)
session.add(net)
return net
def delete_network(context, net_id):
"""Delete a brocade specific network/port-profiles."""
session = context.session
with session.begin(subtransactions=True):
net = (session.query(BrocadeNetwork).filter_by(id=net_id).first())
if net is not None:
session.delete(net)
def get_network(context, net_id, fields=None):
"""Get brocade specific network, with vlan extension."""
session = context.session
return (session.query(BrocadeNetwork).filter_by(id=net_id).first())
def get_networks(context, filters=None, fields=None):
"""Get all brocade specific networks."""
session = context.session
try:
nets = session.query(BrocadeNetwork).all()
return nets
except sa.exc.SQLAlchemyError:
return None
def create_port(context, port_id, network_id, physical_interface,
vlan_id, tenant_id, admin_state_up):
"""Create a brocade specific port, has policy like vlan."""
# port_id is truncated: since the linux-bridge tap device names are
# based on truncated port id, this enables port lookups using
# tap devices
port_id = port_id[0:11]
session = context.session
with session.begin(subtransactions=True):
port = BrocadePort(port_id=port_id,
network_id=network_id,
physical_interface=physical_interface,
vlan_id=vlan_id,
admin_state_up=admin_state_up,
tenant_id=tenant_id)
session.add(port)
return port
def get_port(context, port_id):
"""get a brocade specific port."""
port_id = port_id[0:11]
session = context.session
port = (session.query(BrocadePort).filter_by(port_id=port_id).first())
return port
def get_ports(context, network_id=None):
"""get a brocade specific port."""
session = context.session
ports = (session.query(BrocadePort).filter_by(network_id=network_id).all())
return ports
def delete_port(context, port_id):
"""delete brocade specific port."""
port_id = port_id[0:11]
session = context.session
with session.begin(subtransactions=True):
port = (session.query(BrocadePort).filter_by(port_id=port_id).first())
if port is not None:
session.delete(port)
def get_port_from_device(session, port_id):
"""get port from the tap device."""
# device is same as truncated port_id
port = (session.query(BrocadePort).filter_by(port_id=port_id).first())
return port
def update_port_state(context, port_id, admin_state_up):
"""Update port attributes."""
port_id = port_id[0:11]
session = context.session
session.query(BrocadePort).filter_by(
port_id=port_id).update({'admin_state_up': admin_state_up})