141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
# Copyright (c) 2016 Huawei Technologies India Pvt Ltd
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# All Rights Reserved.
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#
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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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from heat.common.i18n import _
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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 neutron
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from heat.engine import support
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from heat.engine import translation
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class PortChain(neutron.NeutronResource):
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"""A resource for neutron networking-sfc.
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This resource used to define the service function path by arranging
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networking-sfc port-pair-groups and set of flow classifiers, to specify
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the classified traffic flows to enter the chain.
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"""
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support_status = support.SupportStatus(
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version='8.0.0',
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status=support.UNSUPPORTED)
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required_service_extension = 'sfc'
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PROPERTIES = (
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NAME, DESCRIPTION, PORT_PAIR_GROUPS, FLOW_CLASSIFIERS,
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CHAIN_PARAMETERS,
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) = (
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'name', 'description', 'port_pair_groups',
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'flow_classifiers', 'chain_parameters',
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)
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properties_schema = {
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NAME: properties.Schema(
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properties.Schema.STRING,
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_('Name of the Port Chain.'),
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update_allowed=True
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),
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DESCRIPTION: properties.Schema(
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properties.Schema.STRING,
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_('Description for the Port Chain.'),
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update_allowed=True
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),
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PORT_PAIR_GROUPS: properties.Schema(
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properties.Schema.LIST,
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_('A list of port pair groups to apply to the Port Chain.'),
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update_allowed=True,
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required=True,
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schema=properties.Schema(
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properties.Schema.STRING,
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_('Port Pair Group ID or Name .'),
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constraints=[
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constraints.CustomConstraint('neutron.port_pair_group')
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]
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)
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),
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FLOW_CLASSIFIERS: properties.Schema(
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properties.Schema.LIST,
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_('A list of flow classifiers to apply to the Port Chain.'),
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default=[],
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update_allowed=True,
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schema=properties.Schema(
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properties.Schema.STRING,
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_('Flow Classifier ID or Name .'),
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constraints=[
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constraints.CustomConstraint('neutron.flow_classifier')
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]
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)
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),
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CHAIN_PARAMETERS: properties.Schema(
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properties.Schema.MAP,
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_('Dictionary of chain parameters. Currently, only '
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'correlation=mpls is supported by default.'),
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default={"correlation": "mpls"}
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),
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}
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def translation_rules(self, props):
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return [
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.PORT_PAIR_GROUPS],
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client_plugin=self.client_plugin(),
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finder='resolve_ext_resource',
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entity='port_pair_group'
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.FLOW_CLASSIFIERS],
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client_plugin=self.client_plugin(),
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finder='resolve_ext_resource',
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entity='flow_classifier'
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),
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]
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def _show_resource(self):
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return self.client_plugin().show_ext_resource('port_chain',
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self.resource_id)
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def handle_create(self):
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props = self.prepare_properties(self.properties,
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self.physical_resource_name())
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port_chain = self.client_plugin().create_ext_resource(
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'port_chain', props)
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self.resource_id_set(port_chain['id'])
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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if prop_diff:
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self.prepare_update_properties(prop_diff)
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self.client_plugin().update_ext_resource('port_chain',
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prop_diff,
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self.resource_id)
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def handle_delete(self):
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if self.resource_id is None:
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return
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with self.client_plugin().ignore_not_found:
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self.client_plugin().delete_ext_resource('port_chain',
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self.resource_id)
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def resource_mapping():
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return {
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'OS::Neutron::PortChain': PortChain,
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}
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