Files
deb-networking-midonet/midonet/neutron/extensions/gateway_device.py
YAMAMOTO Takashi 8dccb738db pep8: Configure flake8-import-order properly
Closes-Bug: #1703554
Change-Id: Id77c5fafaf4ccf168903914975004915507886ea
2017-07-21 19:50:02 +09:00

334 lines
12 KiB
Python

# Copyright (C) 2015 Midokura SARL
# 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
from neutron_lib.api import extensions as api_extensions
from neutron_lib.api import validators
from neutron_lib.db import constants as db_const
from neutron_lib import exceptions as nexception
from neutron_lib.plugins import directory
from oslo_log import log as logging
import six
from neutron.api import extensions
from neutron.api.v2 import base
from neutron.api.v2 import resource_helper
from midonet.neutron._i18n import _
from midonet.neutron.common import constants
class GatewayDeviceNotFound(nexception.NotFound):
message = _("Gateway device %(id)s does not exist")
class RemoteMacEntryNotFound(nexception.NotFound):
message = _("Remote MAC entry %(id)s does not exist")
class RemoteMacEntryWrongGatewayDevice(nexception.InvalidInput):
message = _("Remote MAC entry %(id)s does not belong to gateway "
"device %(gateway_device_id)s")
class ResourceNotFound(nexception.NotFound):
message = _("specified resource %(resource_id)s does not exist")
class HwVtepTypeInvalid(nexception.InvalidInput):
message = _("Gateway device %(type)s must be specified with "
"management_port and management_ip")
class RouterVtepTypeInvalid(nexception.InvalidInput):
message = _("Gateway device %(type)s must be specified with "
"resource_id")
class NetworkVlanTypeInvalid(nexception.InvalidInput):
message = _("Gateway device %(type)s must be specified with "
"resource_id")
class DuplicateRemoteMacEntry(nexception.InUse):
message = _("Request contains duplicate remote mac address entry: "
"mac_address %(mac_address)s.")
class GatewayDeviceParamDuplicate(nexception.InUse):
message = _("%(param_name)s %(param_value)s %(reason)s")
def __init__(self, **kwargs):
if 'reason' not in kwargs:
kwargs['reason'] = "is already used"
super(GatewayDeviceParamDuplicate, self).__init__(**kwargs)
class GatewayDeviceInUse(nexception.InUse):
message = _("Gateway device %(id)s %(reason)s")
def __init__(self, **kwargs):
if 'reason' not in kwargs:
kwargs['reason'] = "is in use by l2 gateway"
super(GatewayDeviceInUse, self).__init__(**kwargs)
class DeviceInUseByGatewayDevice(nexception.InUse):
message = _("device %(resource_id)s (%(resource_type)s) %(reason)s")
def __init__(self, **kwargs):
if 'reason' not in kwargs:
kwargs['reason'] = "is in use by gateway device"
super(DeviceInUseByGatewayDevice, self).__init__(**kwargs)
class TunnelIPsExhausted(nexception.BadRequest):
message = _("Unable to complete operation for Gateway Device. "
"The number of tunnel ips exceeds the maximum 1.")
class TunnelIPsRequired(nexception.BadRequest):
message = _("Unable to complete operation for Gateway Device. "
"The tunnel ips are required for %(gw_type)s type.")
class OperationRemoteMacEntryNotSupported(nexception.Conflict):
message = _("Unable to operate remote_mac_entry for gateway device "
"%(type)s type.")
def _validate_port_or_none(data, valid_values=None):
if data is None:
return
return validators.validate_range(data, [0, 65535])
validators.add_validator('_midonet_port_or_none', _validate_port_or_none)
GATEWAY_DEVICE = 'gateway_device'
GATEWAY_DEVICES = '%ss' % GATEWAY_DEVICE
HW_VTEP_TYPE = 'hw_vtep'
ROUTER_DEVICE_TYPE = 'router_vtep'
NETWORK_VLAN_TYPE = 'network_vlan'
gateway_device_valid_types = [HW_VTEP_TYPE, ROUTER_DEVICE_TYPE,
NETWORK_VLAN_TYPE]
OVSDB = 'ovsdb'
gateway_device_valid_protocols = [OVSDB]
GATEWAY_DEVICE_PREFIX = '/gw'
PLURAL_IES = 'ies'
LOG = logging.getLogger(__name__)
# Attribute Map
RESOURCE_ATTRIBUTE_MAP = {
'gateway_devices': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': db_const.NAME_FIELD_SIZE},
'default': "",
'is_visible': True},
'type': {'allow_post': True, 'allow_put': False,
'validate': {'type:values': gateway_device_valid_types},
'default': HW_VTEP_TYPE,
'is_visible': True},
'tenant_id': {'allow_post': True, 'allow_put': False,
'required_by_policy': True,
'validate': {
'type:string': db_const.PROJECT_ID_FIELD_SIZE
},
'is_visible': True},
'management_ip': {'allow_post': True, 'allow_put': False,
'default': None,
'validate': {'type:ip_address_or_none': None},
'is_visible': True},
'management_port': {'allow_post': True, 'allow_put': False,
'validate': {'type:_midonet_port_or_none': None},
'default': None, 'is_visible': True},
'management_protocol': {'allow_post': True, 'allow_put': False,
'is_visible': True, 'default': None},
'resource_id': {'allow_post': True, 'allow_put': False,
'validate': {
'type:string': db_const.DEVICE_ID_FIELD_SIZE},
'is_visible': True, 'required_by_policy': True,
'default': ""},
'tunnel_ips': {'allow_post': True, 'allow_put': True,
'is_visible': True, 'default': ''},
'remote_mac_entries': {'allow_post': False, 'allow_put': False,
'default': None,
'is_visible': True}
}
}
SUB_RESOURCE_ATTRIBUTE_MAP = {
'remote_mac_entries': {
'parent': {'collection_name': 'gateway_devices',
'member_name': 'gateway_device'},
'parameters': {'id': {
'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True,
'primary_key': True},
'vtep_address': {
'allow_post': True, 'allow_put': False,
'is_visible': True, 'default': None,
'validate': {'type:ip_address': None}},
'mac_address': {
'allow_post': True, 'allow_put': False,
'is_visible': True,
'validate': {'type:mac_address': None}},
'segmentation_id': {
'allow_post': True, 'allow_put': False,
'is_visible': True,
'validate': {'type:non_negative': None}},
# FIXME(kengo): Workaround to avoid 400 error
# when issue creation request without tenant_id.
# We will address with one of following solution this
# after discussion with neutron.
# 1. delete this definition if neutron core is modified.
# 2. add DB column and remain this definition
# if neutron core is not modified.
'tenant_id': {
'allow_post': True,
'allow_put': False,
'required_by_policy': True,
'validate': {'type:string': db_const.PROJECT_ID_FIELD_SIZE},
'is_visible': False}
}
}
}
class Gateway_device(api_extensions.ExtensionDescriptor):
"""Gateway device extension."""
@classmethod
def get_name(cls):
return "Midonet Gateway Device Extension"
@classmethod
def get_alias(cls):
return "gateway-device"
@classmethod
def get_description(cls):
return "The gateway device extension."
@classmethod
def get_updated(cls):
return "2015-11-11T10:00:00-00:00"
@classmethod
def get_resources(cls):
"""Returns Ext Resources."""
plural_mappings = resource_helper.build_plural_mappings(
{}, RESOURCE_ATTRIBUTE_MAP)
resources = resource_helper.build_resource_info(
plural_mappings,
RESOURCE_ATTRIBUTE_MAP,
constants.GATEWAY_DEVICE)
plugin = directory.get_plugin(constants.GATEWAY_DEVICE)
for collection_name in SUB_RESOURCE_ATTRIBUTE_MAP:
# Special handling needed for sub-resources with 'y' ending
# (e.g. proxies -> proxy)
if collection_name[-3:] == PLURAL_IES:
resource_name = collection_name[:-3] + 'y'
else:
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=GATEWAY_DEVICE_PREFIX,
attr_map=params)
resources.append(resource)
return resources
def get_extended_resources(self, version):
if version == "2.0":
return RESOURCE_ATTRIBUTE_MAP
else:
return {}
@six.add_metaclass(abc.ABCMeta)
class GwDevicePluginBase(object):
path_prefix = GATEWAY_DEVICE_PREFIX
@abc.abstractmethod
def create_gateway_device(self, context, gw_dev):
pass
@abc.abstractmethod
def update_gateway_device(self, context, id, gw_dev):
pass
@abc.abstractmethod
def delete_gateway_device(self, context, id):
pass
@abc.abstractmethod
def get_gateway_devices(self, context, filters=None, fields=None,
sorts=None, limit=None, marker=None,
page_reverse=False):
pass
@abc.abstractmethod
def get_gateway_device(self, context, id, fields=None):
pass
@abc.abstractmethod
def create_gateway_device_remote_mac_entry(self, context,
gateway_device_id,
remote_mac_entry):
pass
@abc.abstractmethod
def delete_gateway_device_remote_mac_entry(self, context,
id, gateway_device_id):
pass
@abc.abstractmethod
def get_gateway_device_remote_mac_entries(self, context, gateway_device_id,
filters=None, fields=None,
sorts=None, limit=None,
marker=None, page_reverse=False):
pass
@abc.abstractmethod
def get_gateway_device_remote_mac_entry(self, context, id,
gateway_device_id, fields=None):
pass