vmware-nsx/neutron/extensions/loadbalancer.py
Paul Michali e0f4a5d27c Remove dupl. for get_resources in adv. services
There is duplication of logic related to creating API resources
for advanced services extensions. Extracted the common logic
out into a new module that can be used by the services.
There are already UT cases in the services that exercises
the logic, so no new tests were added.

Change-Id: Ib52e2de6f215a1755f11a382dc4451a05ce3b147
Closes-Bug: 1258656
2013-12-28 11:38:35 -05:00

473 lines
18 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack Foundation.
# 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.
import abc
import six
from neutron.api import extensions
from neutron.api.v2 import attributes as attr
from neutron.api.v2 import base
from neutron.api.v2 import resource_helper
from neutron.common import exceptions as qexception
from neutron import manager
from neutron.plugins.common import constants
from neutron.services.service_base import ServicePluginBase
# Loadbalancer Exceptions
class VipNotFound(qexception.NotFound):
message = _("Vip %(vip_id)s could not be found")
class VipExists(qexception.NeutronException):
message = _("Another Vip already exists for pool %(pool_id)s")
class PoolNotFound(qexception.NotFound):
message = _("Pool %(pool_id)s could not be found")
class MemberNotFound(qexception.NotFound):
message = _("Member %(member_id)s could not be found")
class HealthMonitorNotFound(qexception.NotFound):
message = _("Health_monitor %(monitor_id)s could not be found")
class PoolMonitorAssociationNotFound(qexception.NotFound):
message = _("Monitor %(monitor_id)s is not associated "
"with Pool %(pool_id)s")
class PoolMonitorAssociationExists(qexception.Conflict):
message = _('health_monitor %(monitor_id)s is already associated '
'with pool %(pool_id)s')
class StateInvalid(qexception.NeutronException):
message = _("Invalid state %(state)s of Loadbalancer resource %(id)s")
class PoolInUse(qexception.InUse):
message = _("Pool %(pool_id)s is still in use")
class PoolStatsNotFound(qexception.NotFound):
message = _("Statistics of Pool %(pool_id)s could not be found")
class ProtocolMismatch(qexception.BadRequest):
message = _("Protocol %(vip_proto)s does not match "
"pool protocol %(pool_proto)s")
class MemberExists(qexception.NeutronException):
message = _("Member with address %(address)s and port %(port)s "
"already present in pool %(pool)s")
RESOURCE_ATTRIBUTE_MAP = {
'vips': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:string': None},
'required_by_policy': True,
'is_visible': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'default': '',
'is_visible': True},
'description': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'subnet_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True},
'address': {'allow_post': True, 'allow_put': False,
'default': attr.ATTR_NOT_SPECIFIED,
'validate': {'type:ip_address_or_none': None},
'is_visible': True},
'port_id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True},
'protocol_port': {'allow_post': True, 'allow_put': False,
'validate': {'type:range': [0, 65535]},
'convert_to': attr.convert_to_int,
'is_visible': True},
'protocol': {'allow_post': True, 'allow_put': False,
'validate': {'type:values': ['TCP', 'HTTP', 'HTTPS']},
'is_visible': True},
'pool_id': {'allow_post': True, 'allow_put': True,
'validate': {'type:uuid': None},
'is_visible': True},
'session_persistence': {'allow_post': True, 'allow_put': True,
'convert_to': attr.convert_none_to_empty_dict,
'default': {},
'validate': {
'type:dict_or_empty': {
'type': {'type:values': ['APP_COOKIE',
'HTTP_COOKIE',
'SOURCE_IP'],
'required': True},
'cookie_name': {'type:string': None,
'required': False}}},
'is_visible': True},
'connection_limit': {'allow_post': True, 'allow_put': True,
'default': -1,
'convert_to': attr.convert_to_int,
'is_visible': True},
'admin_state_up': {'allow_post': True, 'allow_put': True,
'default': True,
'convert_to': attr.convert_to_boolean,
'is_visible': True},
'status': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'status_description': {'allow_post': False, 'allow_put': False,
'is_visible': True}
},
'pools': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:string': None},
'required_by_policy': True,
'is_visible': True},
'vip_id': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'default': '',
'is_visible': True},
'description': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True, 'default': ''},
'subnet_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True},
'protocol': {'allow_post': True, 'allow_put': False,
'validate': {'type:values': ['TCP', 'HTTP', 'HTTPS']},
'is_visible': True},
'provider': {'allow_post': True, 'allow_put': False,
'validate': {'type:string': None},
'is_visible': True, 'default': attr.ATTR_NOT_SPECIFIED},
'lb_method': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'is_visible': True},
'members': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'health_monitors': {'allow_post': True, 'allow_put': True,
'default': None,
'validate': {'type:uuid_list': None},
'convert_to': attr.convert_to_list,
'is_visible': True},
'health_monitors_status': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'admin_state_up': {'allow_post': True, 'allow_put': True,
'default': True,
'convert_to': attr.convert_to_boolean,
'is_visible': True},
'status': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'status_description': {'allow_post': False, 'allow_put': False,
'is_visible': True}
},
'members': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:string': None},
'required_by_policy': True,
'is_visible': True},
'pool_id': {'allow_post': True, 'allow_put': True,
'validate': {'type:uuid': None},
'is_visible': True},
'address': {'allow_post': True, 'allow_put': False,
'validate': {'type:ip_address': None},
'is_visible': True},
'protocol_port': {'allow_post': True, 'allow_put': False,
'validate': {'type:range': [0, 65535]},
'convert_to': attr.convert_to_int,
'is_visible': True},
'weight': {'allow_post': True, 'allow_put': True,
'default': 1,
'validate': {'type:range': [0, 256]},
'convert_to': attr.convert_to_int,
'is_visible': True},
'admin_state_up': {'allow_post': True, 'allow_put': True,
'default': True,
'convert_to': attr.convert_to_boolean,
'is_visible': True},
'status': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'status_description': {'allow_post': False, 'allow_put': False,
'is_visible': True}
},
'health_monitors': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:string': None},
'required_by_policy': True,
'is_visible': True},
'type': {'allow_post': True, 'allow_put': False,
'validate': {'type:values': ['PING', 'TCP', 'HTTP', 'HTTPS']},
'is_visible': True},
'delay': {'allow_post': True, 'allow_put': True,
'validate': {'type:non_negative': None},
'convert_to': attr.convert_to_int,
'is_visible': True},
'timeout': {'allow_post': True, 'allow_put': True,
'convert_to': attr.convert_to_int,
'is_visible': True},
'max_retries': {'allow_post': True, 'allow_put': True,
'validate': {'type:range': [1, 10]},
'convert_to': attr.convert_to_int,
'is_visible': True},
'http_method': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'default': 'GET',
'is_visible': True},
'url_path': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'default': '/',
'is_visible': True},
'expected_codes': {'allow_post': True, 'allow_put': True,
'validate': {
'type:regex':
'^(\d{3}(\s*,\s*\d{3})*)$|^(\d{3}-\d{3})$'},
'default': '200',
'is_visible': True},
'admin_state_up': {'allow_post': True, 'allow_put': True,
'default': True,
'convert_to': attr.convert_to_boolean,
'is_visible': True},
'status': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'status_description': {'allow_post': False, 'allow_put': False,
'is_visible': True},
'pools': {'allow_post': False, 'allow_put': False,
'is_visible': True}
}
}
SUB_RESOURCE_ATTRIBUTE_MAP = {
'health_monitors': {
'parent': {'collection_name': 'pools',
'member_name': 'pool'},
'parameters': {'id': {'allow_post': True, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'validate': {'type:string': None},
'required_by_policy': True,
'is_visible': True},
}
}
}
class Loadbalancer(extensions.ExtensionDescriptor):
@classmethod
def get_name(cls):
return "LoadBalancing service"
@classmethod
def get_alias(cls):
return "lbaas"
@classmethod
def get_description(cls):
return "Extension for LoadBalancing service"
@classmethod
def get_namespace(cls):
return "http://wiki.openstack.org/neutron/LBaaS/API_1.0"
@classmethod
def get_updated(cls):
return "2012-10-07T10:00:00-00:00"
@classmethod
def get_resources(cls):
plural_mappings = resource_helper.build_plural_mappings(
{}, RESOURCE_ATTRIBUTE_MAP)
plural_mappings['health_monitors_status'] = 'health_monitor_status'
attr.PLURALS.update(plural_mappings)
action_map = {'pool': {'stats': 'GET'}}
resources = resource_helper.build_resource_info(plural_mappings,
RESOURCE_ATTRIBUTE_MAP,
constants.LOADBALANCER,
action_map=action_map)
plugin = manager.NeutronManager.get_service_plugins()[
constants.LOADBALANCER]
for collection_name in SUB_RESOURCE_ATTRIBUTE_MAP:
# Special handling needed for sub-resources with 'y' ending
# (e.g. proxies -> proxy)
resource_name = collection_name[:-1]
parent = SUB_RESOURCE_ATTRIBUTE_MAP[collection_name].get('parent')
params = SUB_RESOURCE_ATTRIBUTE_MAP[collection_name].get(
'parameters')
controller = base.create_resource(collection_name, resource_name,
plugin, params,
allow_bulk=True,
parent=parent)
resource = extensions.ResourceExtension(
collection_name,
controller, parent,
path_prefix=constants.COMMON_PREFIXES[constants.LOADBALANCER],
attr_map=params)
resources.append(resource)
return resources
@classmethod
def get_plugin_interface(cls):
return LoadBalancerPluginBase
def update_attributes_map(self, attributes):
super(Loadbalancer, self).update_attributes_map(
attributes, extension_attrs_map=RESOURCE_ATTRIBUTE_MAP)
def get_extended_resources(self, version):
if version == "2.0":
return RESOURCE_ATTRIBUTE_MAP
else:
return {}
@six.add_metaclass(abc.ABCMeta)
class LoadBalancerPluginBase(ServicePluginBase):
def get_plugin_name(self):
return constants.LOADBALANCER
def get_plugin_type(self):
return constants.LOADBALANCER
def get_plugin_description(self):
return 'LoadBalancer service plugin'
@abc.abstractmethod
def get_vips(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def get_vip(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_vip(self, context, vip):
pass
@abc.abstractmethod
def update_vip(self, context, id, vip):
pass
@abc.abstractmethod
def delete_vip(self, context, id):
pass
@abc.abstractmethod
def get_pools(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def get_pool(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_pool(self, context, pool):
pass
@abc.abstractmethod
def update_pool(self, context, id, pool):
pass
@abc.abstractmethod
def delete_pool(self, context, id):
pass
@abc.abstractmethod
def stats(self, context, pool_id):
pass
@abc.abstractmethod
def create_pool_health_monitor(self, context, health_monitor, pool_id):
pass
@abc.abstractmethod
def get_pool_health_monitor(self, context, id, pool_id, fields=None):
pass
@abc.abstractmethod
def delete_pool_health_monitor(self, context, id, pool_id):
pass
@abc.abstractmethod
def get_members(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def get_member(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_member(self, context, member):
pass
@abc.abstractmethod
def update_member(self, context, id, member):
pass
@abc.abstractmethod
def delete_member(self, context, id):
pass
@abc.abstractmethod
def get_health_monitors(self, context, filters=None, fields=None):
pass
@abc.abstractmethod
def get_health_monitor(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_health_monitor(self, context, health_monitor):
pass
@abc.abstractmethod
def update_health_monitor(self, context, id, health_monitor):
pass
@abc.abstractmethod
def delete_health_monitor(self, context, id):
pass