112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
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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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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 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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class ExtraRoute(neutron.NeutronResource):
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support_status = support.SupportStatus(
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status=support.UNSUPPORTED,
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message=_('This resource is not supported, use at your own risk.'))
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PROPERTIES = (
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ROUTER_ID, DESTINATION, NEXTHOP,
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) = (
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'router_id', 'destination', 'nexthop',
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)
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properties_schema = {
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ROUTER_ID: properties.Schema(
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properties.Schema.STRING,
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description=_('The router id.'),
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required=True,
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constraints=[
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constraints.CustomConstraint('neutron.router')
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]
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),
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DESTINATION: properties.Schema(
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properties.Schema.STRING,
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description=_('Network in CIDR notation.'),
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required=True),
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NEXTHOP: properties.Schema(
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properties.Schema.STRING,
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description=_('Nexthop IP address.'),
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required=True)
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}
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def add_dependencies(self, deps):
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super(ExtraRoute, self).add_dependencies(deps)
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for resource in six.itervalues(self.stack):
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# depend on any RouterInterface in this template with the same
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# router_id as this router_id
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if (resource.has_interface('OS::Neutron::RouterInterface') and
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resource.properties['router_id'] ==
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self.properties['router_id']):
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deps += (self, resource)
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# depend on any RouterGateway in this template with the same
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# router_id as this router_id
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elif (resource.has_interface('OS::Neutron::RouterGateway') and
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resource.properties['router_id'] ==
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self.properties['router_id']):
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deps += (self, resource)
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def handle_create(self):
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router_id = self.properties.get(self.ROUTER_ID)
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routes = self.neutron().show_router(
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router_id).get('router').get('routes')
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if not routes:
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routes = []
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new_route = {'destination': self.properties[self.DESTINATION],
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'nexthop': self.properties[self.NEXTHOP]}
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if new_route in routes:
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msg = _('Route duplicates an existing route.')
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raise exception.Error(msg)
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routes.append(new_route)
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self.neutron().update_router(router_id, {'router':
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{'routes': routes}})
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new_route['router_id'] = router_id
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self.resource_id_set(
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'%(router_id)s:%(destination)s:%(nexthop)s' % new_route)
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def handle_delete(self):
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if not self.resource_id:
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return
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(router_id, destination, nexthop) = self.resource_id.split(':')
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try:
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routes = self.neutron().show_router(
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router_id).get('router').get('routes', [])
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try:
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routes.remove({'destination': destination,
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'nexthop': nexthop})
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except ValueError:
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return
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self.neutron().update_router(router_id, {'router':
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{'routes': routes}})
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except Exception as ex:
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self.client_plugin().ignore_not_found(ex)
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def resource_mapping():
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return {
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'OS::Neutron::ExtraRoute': ExtraRoute,
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}
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