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# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2012 OpenStack LLC
# Copyright 2012 Canonical Ltd.
#
# 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 keystone import catalog
from keystone.common import sql
from keystone.common.sql import migration
from keystone import config
from keystone import exception
CONF = config.CONF
class Service(sql.ModelBase, sql.DictBase):
__tablename__ = 'service'
id = sql.Column(sql.String(64), primary_key=True)
type = sql.Column(sql.String(255))
extra = sql.Column(sql.JsonBlob())
@classmethod
def from_dict(cls, service_dict):
extra = {}
for k, v in service_dict.copy().iteritems():
if k not in ['id', 'type', 'extra']:
extra[k] = service_dict.pop(k)
service_dict['extra'] = extra
return cls(**service_dict)
def to_dict(self):
extra_copy = self.extra.copy()
extra_copy['id'] = self.id
extra_copy['type'] = self.type
return extra_copy
class Endpoint(sql.ModelBase, sql.DictBase):
__tablename__ = 'endpoint'
id = sql.Column(sql.String(64), primary_key=True)
region = sql.Column('region', sql.String(255))
service_id = sql.Column(sql.String(64),
sql.ForeignKey('service.id'),
nullable=False)
extra = sql.Column(sql.JsonBlob())
@classmethod
def from_dict(cls, endpoint_dict):
extra = {}
for k, v in endpoint_dict.copy().iteritems():
if k not in ['id', 'region', 'service_id', 'extra']:
extra[k] = endpoint_dict.pop(k)
endpoint_dict['extra'] = extra
return cls(**endpoint_dict)
def to_dict(self):
extra_copy = self.extra.copy()
extra_copy['id'] = self.id
extra_copy['region'] = self.region
extra_copy['service_id'] = self.service_id
return extra_copy
class Catalog(sql.Base, catalog.Driver):
def db_sync(self):
migration.db_sync()
# Services
def list_services(self):
session = self.get_session()
services = session.query(Service)
return [s['id'] for s in list(services)]
def get_service(self, service_id):
session = self.get_session()
service_ref = session.query(Service).filter_by(id=service_id).first()
if not service_ref:
raise exception.ServiceNotFound(service_id=service_id)
return service_ref.to_dict()
def delete_service(self, service_id):
session = self.get_session()
with session.begin():
if not session.query(Service).filter_by(id=service_id).delete():
raise exception.ServiceNotFound(service_id=service_id)
session.flush()
def create_service(self, service_id, service_ref):
session = self.get_session()
with session.begin():
service = Service.from_dict(service_ref)
session.add(service)
session.flush()
return service.to_dict()
# Endpoints
def create_endpoint(self, endpoint_id, endpoint_ref):
session = self.get_session()
self.get_service(endpoint_ref['service_id'])
new_endpoint = Endpoint.from_dict(endpoint_ref)
with session.begin():
session.add(new_endpoint)
session.flush()
return new_endpoint.to_dict()
def delete_endpoint(self, endpoint_id):
session = self.get_session()
with session.begin():
if not session.query(Endpoint).filter_by(id=endpoint_id).delete():
raise exception.EndpointNotFound(endpoint_id=endpoint_id)
session.flush()
def get_endpoint(self, endpoint_id):
session = self.get_session()
endpoint_ref = session.query(Endpoint)
endpoint_ref = endpoint_ref.filter_by(id=endpoint_id).first()
if not endpoint_ref:
raise exception.EndpointNotFound(endpoint_id=endpoint_id)
return endpoint_ref.to_dict()
def list_endpoints(self):
session = self.get_session()
endpoints = session.query(Endpoint)
return [e['id'] for e in list(endpoints)]
def get_catalog(self, user_id, tenant_id, metadata=None):
d = dict(CONF.iteritems())
d.update({'tenant_id': tenant_id,
'user_id': user_id})
catalog = {}
endpoints = [self.get_endpoint(e)
for e in self.list_endpoints()]
for ep in endpoints:
service = self.get_service(ep['service_id'])
srv_type = service['type']
srv_name = service['name']
region = ep['region']
if region not in catalog:
catalog[region] = {}
catalog[region][srv_type] = {}
internal_url = ep['internalurl'].replace('$(', '%(')
public_url = ep['publicurl'].replace('$(', '%(')
admin_url = ep['adminurl'].replace('$(', '%(')
catalog[region][srv_type]['id'] = ep['id']
catalog[region][srv_type]['name'] = srv_name
catalog[region][srv_type]['publicURL'] = public_url % d
catalog[region][srv_type]['adminURL'] = admin_url % d
catalog[region][srv_type]['internalURL'] = internal_url % d
return catalog
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