fa2a5c09c5
Bug #1073194 We use openstack common log to do logging. At the same time, we will use quantum logger as our top logger, so that all sub loggers will be set according to quantum.conf Change-Id: I5adf72e6031ad437e05c3521864a83757b3e7887
213 lines
8.3 KiB
Python
213 lines
8.3 KiB
Python
# Copyright (c) 2012 OpenStack, LLC.
|
|
#
|
|
# 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 sqlalchemy.orm import exc
|
|
|
|
from quantum.common import exceptions as q_exc
|
|
import quantum.db.api as db
|
|
from quantum.db import models_v2
|
|
from quantum.openstack.common import cfg
|
|
from quantum.openstack.common import log as logging
|
|
from quantum.plugins.linuxbridge.common import config
|
|
from quantum.plugins.linuxbridge.common import constants
|
|
from quantum.plugins.linuxbridge.db import l2network_models_v2
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def initialize():
|
|
options = {"sql_connection": "%s" % cfg.CONF.DATABASE.sql_connection}
|
|
options.update({"sql_max_retries": cfg.CONF.DATABASE.sql_max_retries})
|
|
options.update({"reconnect_interval":
|
|
cfg.CONF.DATABASE.reconnect_interval})
|
|
options.update({"base": models_v2.model_base.BASEV2})
|
|
db.configure_db(options)
|
|
|
|
|
|
def sync_network_states(network_vlan_ranges):
|
|
"""Synchronize network_states table with current configured VLAN ranges."""
|
|
|
|
session = db.get_session()
|
|
with session.begin():
|
|
# get existing allocations for all physical networks
|
|
allocations = dict()
|
|
states = (session.query(l2network_models_v2.NetworkState).
|
|
all())
|
|
for state in states:
|
|
if state.physical_network not in allocations:
|
|
allocations[state.physical_network] = set()
|
|
allocations[state.physical_network].add(state)
|
|
|
|
# process vlan ranges for each configured physical network
|
|
for physical_network, vlan_ranges in network_vlan_ranges.iteritems():
|
|
# determine current configured allocatable vlans for this
|
|
# physical network
|
|
vlan_ids = set()
|
|
for vlan_range in vlan_ranges:
|
|
vlan_ids |= set(xrange(vlan_range[0], vlan_range[1] + 1))
|
|
|
|
# remove from table unallocated vlans not currently allocatable
|
|
if physical_network in allocations:
|
|
for state in allocations[physical_network]:
|
|
try:
|
|
# see if vlan is allocatable
|
|
vlan_ids.remove(state.vlan_id)
|
|
except KeyError:
|
|
# it's not allocatable, so check if its allocated
|
|
if not state.allocated:
|
|
# it's not, so remove it from table
|
|
LOG.debug("removing vlan %s on physical network "
|
|
"%s from pool" %
|
|
(state.vlan_id, physical_network))
|
|
session.delete(state)
|
|
del allocations[physical_network]
|
|
|
|
# add missing allocatable vlans to table
|
|
for vlan_id in sorted(vlan_ids):
|
|
state = l2network_models_v2.NetworkState(physical_network,
|
|
vlan_id)
|
|
session.add(state)
|
|
|
|
# remove from table unallocated vlans for any unconfigured physical
|
|
# networks
|
|
for states in allocations.itervalues():
|
|
for state in states:
|
|
if not state.allocated:
|
|
LOG.debug("removing vlan %s on physical network %s"
|
|
" from pool" %
|
|
(state.vlan_id, physical_network))
|
|
session.delete(state)
|
|
|
|
|
|
def get_network_state(physical_network, vlan_id):
|
|
"""Get state of specified network"""
|
|
|
|
session = db.get_session()
|
|
try:
|
|
state = (session.query(l2network_models_v2.NetworkState).
|
|
filter_by(physical_network=physical_network,
|
|
vlan_id=vlan_id).
|
|
one())
|
|
return state
|
|
except exc.NoResultFound:
|
|
return None
|
|
|
|
|
|
def reserve_network(session):
|
|
with session.begin(subtransactions=True):
|
|
state = (session.query(l2network_models_v2.NetworkState).
|
|
filter_by(allocated=False).
|
|
first())
|
|
if not state:
|
|
raise q_exc.NoNetworkAvailable()
|
|
LOG.debug("reserving vlan %s on physical network %s from pool" %
|
|
(state.vlan_id, state.physical_network))
|
|
state.allocated = True
|
|
return (state.physical_network, state.vlan_id)
|
|
|
|
|
|
def reserve_specific_network(session, physical_network, vlan_id):
|
|
with session.begin(subtransactions=True):
|
|
try:
|
|
state = (session.query(l2network_models_v2.NetworkState).
|
|
filter_by(physical_network=physical_network,
|
|
vlan_id=vlan_id).
|
|
one())
|
|
if state.allocated:
|
|
if vlan_id == constants.FLAT_VLAN_ID:
|
|
raise q_exc.FlatNetworkInUse(physical_network=
|
|
physical_network)
|
|
else:
|
|
raise q_exc.VlanIdInUse(vlan_id=vlan_id,
|
|
physical_network=physical_network)
|
|
LOG.debug("reserving specific vlan %s on physical network %s "
|
|
"from pool" % (vlan_id, physical_network))
|
|
state.allocated = True
|
|
except exc.NoResultFound:
|
|
LOG.debug("reserving specific vlan %s on physical network %s "
|
|
"outside pool" % (vlan_id, physical_network))
|
|
state = l2network_models_v2.NetworkState(physical_network, vlan_id)
|
|
state.allocated = True
|
|
session.add(state)
|
|
|
|
|
|
def release_network(session, physical_network, vlan_id, network_vlan_ranges):
|
|
with session.begin(subtransactions=True):
|
|
try:
|
|
state = (session.query(l2network_models_v2.NetworkState).
|
|
filter_by(physical_network=physical_network,
|
|
vlan_id=vlan_id).
|
|
one())
|
|
state.allocated = False
|
|
inside = False
|
|
for vlan_range in network_vlan_ranges.get(physical_network, []):
|
|
if vlan_id >= vlan_range[0] and vlan_id <= vlan_range[1]:
|
|
inside = True
|
|
break
|
|
if inside:
|
|
LOG.debug("releasing vlan %s on physical network %s to pool" %
|
|
(vlan_id, physical_network))
|
|
else:
|
|
LOG.debug("releasing vlan %s on physical network %s outside "
|
|
"pool" % (vlan_id, physical_network))
|
|
session.delete(state)
|
|
except exc.NoResultFound:
|
|
LOG.warning("vlan_id %s on physical network %s not found" %
|
|
(vlan_id, physical_network))
|
|
|
|
|
|
def add_network_binding(session, network_id, physical_network, vlan_id):
|
|
with session.begin(subtransactions=True):
|
|
binding = l2network_models_v2.NetworkBinding(network_id,
|
|
physical_network, vlan_id)
|
|
session.add(binding)
|
|
|
|
|
|
def get_network_binding(session, network_id):
|
|
try:
|
|
binding = (session.query(l2network_models_v2.NetworkBinding).
|
|
filter_by(network_id=network_id).
|
|
one())
|
|
return binding
|
|
except exc.NoResultFound:
|
|
return
|
|
|
|
|
|
def get_port_from_device(device):
|
|
"""Get port from database"""
|
|
LOG.debug("get_port_from_device() called")
|
|
session = db.get_session()
|
|
ports = session.query(models_v2.Port).all()
|
|
if not ports:
|
|
return
|
|
for port in ports:
|
|
if port['id'].startswith(device):
|
|
return port
|
|
return
|
|
|
|
|
|
def set_port_status(port_id, status):
|
|
"""Set the port status"""
|
|
LOG.debug("set_port_status as %s called", status)
|
|
session = db.get_session()
|
|
try:
|
|
port = session.query(models_v2.Port).filter_by(id=port_id).one()
|
|
port['status'] = status
|
|
session.merge(port)
|
|
session.flush()
|
|
except exc.NoResultFound:
|
|
raise q_exc.PortNotFound(port_id=port_id)
|