heat/heat/engine/resources/openstack/neutron/provider_net.py

142 lines
4.5 KiB
Python

#
# 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 six
from heat.common import exception
from heat.common.i18n import _
from heat.engine import attributes
from heat.engine import constraints
from heat.engine import properties
from heat.engine.resources.openstack.neutron import net
from heat.engine import support
class ProviderNet(net.Net):
support_status = support.SupportStatus(version='2014.1')
PROPERTIES = (
NAME, PROVIDER_NETWORK_TYPE, PROVIDER_PHYSICAL_NETWORK,
PROVIDER_SEGMENTATION_ID, ADMIN_STATE_UP, SHARED,
) = (
'name', 'network_type', 'physical_network',
'segmentation_id', 'admin_state_up', 'shared',
)
ATTRIBUTES = (
STATUS, SUBNETS, SHOW,
) = (
'status', 'subnets', 'show',
)
properties_schema = {
NAME: net.Net.properties_schema[NAME],
PROVIDER_NETWORK_TYPE: properties.Schema(
properties.Schema.STRING,
_('A string specifying the provider network type for the '
'network.'),
update_allowed=True,
required=True,
constraints=[
constraints.AllowedValues(['vlan', 'flat']),
]
),
PROVIDER_PHYSICAL_NETWORK: properties.Schema(
properties.Schema.STRING,
_('A string specifying physical network mapping for the '
'network.'),
update_allowed=True,
required=True,
),
PROVIDER_SEGMENTATION_ID: properties.Schema(
properties.Schema.STRING,
_('A string specifying the segmentation id for the '
'network.'),
update_allowed=True
),
ADMIN_STATE_UP: net.Net.properties_schema[ADMIN_STATE_UP],
SHARED: properties.Schema(
properties.Schema.BOOLEAN,
_('Whether this network should be shared across all tenants.'),
default=True,
update_allowed=True
),
}
attributes_schema = {
STATUS: attributes.Schema(
_("The status of the network.")
),
SUBNETS: attributes.Schema(
_("Subnets of this network.")
),
SHOW: attributes.Schema(
_("All attributes.")
),
}
def validate(self):
'''
Validates to ensure that segmentation_id is not there for flat
network type.
'''
super(ProviderNet, self).validate()
if (self.properties[self.PROVIDER_SEGMENTATION_ID] and
self.properties[self.PROVIDER_NETWORK_TYPE] != 'vlan'):
msg = _('segmentation_id not allowed for flat network type.')
raise exception.StackValidationFailed(message=msg)
@staticmethod
def add_provider_extension(props, key):
props['provider:' + key] = props.pop(key)
@staticmethod
def prepare_provider_properties(self, props):
self.add_provider_extension(props, self.PROVIDER_NETWORK_TYPE)
self.add_provider_extension(props, self.PROVIDER_PHYSICAL_NETWORK)
if self.PROVIDER_SEGMENTATION_ID in six.iterkeys(props):
self.add_provider_extension(props, self.PROVIDER_SEGMENTATION_ID)
def handle_create(self):
'''
Adds 'provider:' extension to the required properties during create.
'''
props = self.prepare_properties(
self.properties,
self.physical_resource_name())
self.prepare_provider_properties(self, props)
prov_net = self.neutron().create_network({'network': props})['network']
self.resource_id_set(prov_net['id'])
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
'''
Adds 'provider:' extension to the required properties during update.
'''
props = self.prepare_update_properties(json_snippet)
self.prepare_provider_properties(self, props)
self.neutron().update_network(self.resource_id, {'network': props})
def resource_mapping():
return {
'OS::Neutron::ProviderNet': ProviderNet,
}