142 lines
4.5 KiB
Python
142 lines
4.5 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import six
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from heat.common import exception
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from heat.common.i18n import _
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from heat.engine import attributes
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from heat.engine import constraints
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from heat.engine import properties
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from heat.engine.resources.openstack.neutron import net
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from heat.engine import support
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class ProviderNet(net.Net):
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support_status = support.SupportStatus(version='2014.1')
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PROPERTIES = (
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NAME, PROVIDER_NETWORK_TYPE, PROVIDER_PHYSICAL_NETWORK,
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PROVIDER_SEGMENTATION_ID, ADMIN_STATE_UP, SHARED,
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) = (
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'name', 'network_type', 'physical_network',
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'segmentation_id', 'admin_state_up', 'shared',
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)
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ATTRIBUTES = (
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STATUS, SUBNETS, SHOW,
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) = (
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'status', 'subnets', 'show',
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)
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properties_schema = {
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NAME: net.Net.properties_schema[NAME],
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PROVIDER_NETWORK_TYPE: properties.Schema(
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properties.Schema.STRING,
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_('A string specifying the provider network type for the '
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'network.'),
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update_allowed=True,
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required=True,
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constraints=[
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constraints.AllowedValues(['vlan', 'flat']),
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]
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),
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PROVIDER_PHYSICAL_NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('A string specifying physical network mapping for the '
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'network.'),
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update_allowed=True,
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required=True,
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),
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PROVIDER_SEGMENTATION_ID: properties.Schema(
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properties.Schema.STRING,
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_('A string specifying the segmentation id for the '
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'network.'),
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update_allowed=True
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),
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ADMIN_STATE_UP: net.Net.properties_schema[ADMIN_STATE_UP],
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SHARED: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Whether this network should be shared across all tenants.'),
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default=True,
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update_allowed=True
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),
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}
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attributes_schema = {
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STATUS: attributes.Schema(
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_("The status of the network.")
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),
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SUBNETS: attributes.Schema(
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_("Subnets of this network.")
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),
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SHOW: attributes.Schema(
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_("All attributes.")
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),
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}
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def validate(self):
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'''
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Validates to ensure that segmentation_id is not there for flat
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network type.
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'''
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super(ProviderNet, self).validate()
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if (self.properties[self.PROVIDER_SEGMENTATION_ID] and
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self.properties[self.PROVIDER_NETWORK_TYPE] != 'vlan'):
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msg = _('segmentation_id not allowed for flat network type.')
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raise exception.StackValidationFailed(message=msg)
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@staticmethod
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def add_provider_extension(props, key):
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props['provider:' + key] = props.pop(key)
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@staticmethod
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def prepare_provider_properties(self, props):
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self.add_provider_extension(props, self.PROVIDER_NETWORK_TYPE)
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self.add_provider_extension(props, self.PROVIDER_PHYSICAL_NETWORK)
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if self.PROVIDER_SEGMENTATION_ID in six.iterkeys(props):
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self.add_provider_extension(props, self.PROVIDER_SEGMENTATION_ID)
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def handle_create(self):
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'''
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Adds 'provider:' extension to the required properties during create.
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'''
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props = self.prepare_properties(
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self.properties,
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self.physical_resource_name())
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self.prepare_provider_properties(self, props)
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prov_net = self.neutron().create_network({'network': props})['network']
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self.resource_id_set(prov_net['id'])
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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'''
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Adds 'provider:' extension to the required properties during update.
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'''
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props = self.prepare_update_properties(json_snippet)
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self.prepare_provider_properties(self, props)
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self.neutron().update_network(self.resource_id, {'network': props})
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def resource_mapping():
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return {
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'OS::Neutron::ProviderNet': ProviderNet,
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}
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