142 lines
5.6 KiB
Python
142 lines
5.6 KiB
Python
# Copyright 2014 Rackspace
|
|
#
|
|
# 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 oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
from pecan import rest
|
|
from stevedore import driver as stevedore_driver
|
|
|
|
from octavia.common import data_models
|
|
from octavia.common import exceptions
|
|
from octavia.db import repositories
|
|
|
|
CONF = cfg.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class BaseController(rest.RestController):
|
|
|
|
def __init__(self):
|
|
super(BaseController, self).__init__()
|
|
self.repositories = repositories.Repositories()
|
|
self.handler = stevedore_driver.DriverManager(
|
|
namespace='octavia.api.handlers',
|
|
name=CONF.api_settings.api_handler,
|
|
invoke_on_load=True
|
|
).driver
|
|
|
|
@staticmethod
|
|
def _convert_db_to_type(db_entity, to_type, children=False):
|
|
"""Converts a data model into an Octavia WSME type
|
|
|
|
:param db_entity: data model to convert
|
|
:param to_type: converts db_entity to this time
|
|
"""
|
|
if isinstance(to_type, list):
|
|
to_type = to_type[0]
|
|
|
|
def _convert(db_obj):
|
|
return to_type.from_data_model(db_obj, children=children)
|
|
if isinstance(db_entity, list):
|
|
converted = [_convert(db_obj) for db_obj in db_entity]
|
|
else:
|
|
converted = _convert(db_entity)
|
|
return converted
|
|
|
|
@staticmethod
|
|
def _get_db_obj(session, repo, data_model, id):
|
|
"""Gets an object from the database and returns it."""
|
|
db_obj = repo.get(session, id=id)
|
|
if not db_obj:
|
|
LOG.exception('%(name)s %(id)s not found',
|
|
{'name': data_model._name(), 'id': id})
|
|
raise exceptions.NotFound(
|
|
resource=data_model._name(), id=id)
|
|
return db_obj
|
|
|
|
def _get_db_lb(self, session, id):
|
|
"""Get a load balancer from the database."""
|
|
return self._get_db_obj(session, self.repositories.load_balancer,
|
|
data_models.LoadBalancer, id)
|
|
|
|
def _get_db_listener(self, session, id):
|
|
"""Get a listener from the database."""
|
|
return self._get_db_obj(session, self.repositories.listener,
|
|
data_models.Listener, id)
|
|
|
|
def _get_db_pool(self, session, id):
|
|
"""Get a pool from the database."""
|
|
return self._get_db_obj(session, self.repositories.pool,
|
|
data_models.Pool, id)
|
|
|
|
def _get_db_member(self, session, id):
|
|
"""Get a member from the database."""
|
|
return self._get_db_obj(session, self.repositories.member,
|
|
data_models.Member, id)
|
|
|
|
def _get_db_l7policy(self, session, id):
|
|
"""Get a L7 Policy from the database."""
|
|
return self._get_db_obj(session, self.repositories.l7policy,
|
|
data_models.L7Policy, id)
|
|
|
|
def _get_db_l7rule(self, session, id):
|
|
"""Get a L7 Rule from the database."""
|
|
return self._get_db_obj(session, self.repositories.l7rule,
|
|
data_models.L7Rule, id)
|
|
|
|
def _get_default_quotas(self, project_id):
|
|
"""Gets the project's default quotas."""
|
|
quotas = data_models.Quotas(
|
|
project_id=project_id,
|
|
load_balancer=CONF.quotas.default_load_balancer_quota,
|
|
listener=CONF.quotas.default_listener_quota,
|
|
pool=CONF.quotas.default_pool_quota,
|
|
health_monitor=CONF.quotas.default_health_monitor_quota,
|
|
member=CONF.quotas.default_member_quota)
|
|
return quotas
|
|
|
|
def _get_db_quotas(self, session, project_id):
|
|
"""Gets the project's quotas from the database, or responds with the
|
|
|
|
default quotas.
|
|
"""
|
|
# At this point project_id should not ever be None or Unset
|
|
db_quotas = self.repositories.quotas.get(
|
|
session, project_id=project_id)
|
|
if not db_quotas:
|
|
LOG.debug("No custom quotas for project %s. Returning "
|
|
"defaults...", project_id)
|
|
db_quotas = self._get_default_quotas(project_id=project_id)
|
|
else:
|
|
# Fill in any that are using the configured defaults
|
|
if db_quotas.load_balancer is None:
|
|
db_quotas.load_balancer = (CONF.quotas.
|
|
default_load_balancer_quota)
|
|
if db_quotas.listener is None:
|
|
db_quotas.listener = CONF.quotas.default_listener_quota
|
|
if db_quotas.pool is None:
|
|
db_quotas.pool = CONF.quotas.default_pool_quota
|
|
if db_quotas.health_monitor is None:
|
|
db_quotas.health_monitor = (CONF.quotas.
|
|
default_health_monitor_quota)
|
|
if db_quotas.member is None:
|
|
db_quotas.member = CONF.quotas.default_member_quota
|
|
return db_quotas
|
|
|
|
def _get_lb_project_id(self, session, id):
|
|
"""Get the project_id of the load balancer from the database."""
|
|
lb = self._get_db_obj(session, self.repositories.load_balancer,
|
|
data_models.LoadBalancer, id)
|
|
return lb.project_id
|