369 lines
13 KiB
Python
369 lines
13 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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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 properties
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from heat.engine.resources.neutron import neutron
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from heat.engine.resources.neutron import subnet
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from heat.engine import support
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class Router(neutron.NeutronResource):
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PROPERTIES = (
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NAME, EXTERNAL_GATEWAY, VALUE_SPECS, ADMIN_STATE_UP,
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L3_AGENT_ID,
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) = (
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'name', 'external_gateway_info', 'value_specs', 'admin_state_up',
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'l3_agent_id',
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)
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_EXTERNAL_GATEWAY_KEYS = (
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EXTERNAL_GATEWAY_NETWORK, EXTERNAL_GATEWAY_ENABLE_SNAT,
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) = (
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'network', 'enable_snat',
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)
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ATTRIBUTES = (
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STATUS, EXTERNAL_GATEWAY_INFO_ATTR, NAME_ATTR, ADMIN_STATE_UP_ATTR,
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TENANT_ID, SHOW,
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) = (
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'status', 'external_gateway_info', 'name', 'admin_state_up',
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'tenant_id', 'show',
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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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_('The name of the router.'),
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update_allowed=True
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),
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EXTERNAL_GATEWAY: properties.Schema(
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properties.Schema.MAP,
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_('External network gateway configuration for a router.'),
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schema={
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EXTERNAL_GATEWAY_NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('ID or name of the external network for the gateway.'),
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required=True,
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update_allowed=True
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),
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EXTERNAL_GATEWAY_ENABLE_SNAT: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Enables Source NAT on the router gateway. NOTE: The '
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'default policy setting in Neutron restricts usage of '
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'this property to administrative users only.'),
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update_allowed=True
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),
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},
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update_allowed=True
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),
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VALUE_SPECS: properties.Schema(
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properties.Schema.MAP,
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_('Extra parameters to include in the creation request.'),
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default={},
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update_allowed=True
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),
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ADMIN_STATE_UP: properties.Schema(
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properties.Schema.BOOLEAN,
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_('The administrative state of the router.'),
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default=True,
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update_allowed=True
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),
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L3_AGENT_ID: properties.Schema(
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properties.Schema.STRING,
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_('ID of the L3 agent. NOTE: The default policy setting in '
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'Neutron restricts usage of this property to administrative '
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'users only.'),
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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 router.")
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),
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EXTERNAL_GATEWAY_INFO_ATTR: attributes.Schema(
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_("Gateway network for the router.")
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),
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NAME_ATTR: attributes.Schema(
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_("Friendly name of the router.")
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),
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ADMIN_STATE_UP_ATTR: attributes.Schema(
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_("Administrative state of the router.")
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),
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TENANT_ID: attributes.Schema(
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_("Tenant owning the router.")
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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 add_dependencies(self, deps):
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super(Router, self).add_dependencies(deps)
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external_gw = self.properties.get(self.EXTERNAL_GATEWAY)
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if external_gw:
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external_gw_net = external_gw.get(self.EXTERNAL_GATEWAY_NETWORK)
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for res in self.stack.itervalues():
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if res.has_interface('OS::Neutron::Subnet'):
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subnet_net = res.properties.get(
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subnet.Subnet.NETWORK) or res.properties.get(
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subnet.Subnet.NETWORK_ID)
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if subnet_net == external_gw_net:
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deps += (self, res)
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def prepare_properties(self, properties, name):
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props = super(Router, self).prepare_properties(properties, name)
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gateway = props.get(self.EXTERNAL_GATEWAY)
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if gateway:
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self.client_plugin().resolve_network(
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gateway, self.EXTERNAL_GATEWAY_NETWORK, 'network_id')
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if gateway[self.EXTERNAL_GATEWAY_ENABLE_SNAT] is None:
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del gateway[self.EXTERNAL_GATEWAY_ENABLE_SNAT]
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return props
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def handle_create(self):
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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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l3_agent_id = props.pop(self.L3_AGENT_ID, None)
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router = self.neutron().create_router({'router': props})['router']
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self.resource_id_set(router['id'])
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if l3_agent_id:
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self._replace_agent(l3_agent_id)
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def _show_resource(self):
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return self.neutron().show_router(
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self.resource_id)['router']
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def check_create_complete(self, *args):
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attributes = self._show_resource()
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return self.is_built(attributes)
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def handle_delete(self):
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client = self.neutron()
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try:
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client.delete_router(self.resource_id)
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except Exception as ex:
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self.client_plugin().ignore_not_found(ex)
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else:
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return self._delete_task()
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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props = self.prepare_update_properties(json_snippet)
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l3_agent_id = props.pop(self.L3_AGENT_ID, None)
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if self.L3_AGENT_ID in prop_diff:
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self._replace_agent(l3_agent_id)
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del prop_diff[self.L3_AGENT_ID]
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if len(prop_diff) > 0:
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self.neutron().update_router(
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self.resource_id, {'router': props})
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def _replace_agent(self, l3_agent_id=None):
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ret = self.neutron().list_l3_agent_hosting_routers(
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self.resource_id)
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for agent in ret['agents']:
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self.neutron().remove_router_from_l3_agent(
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agent['id'], self.resource_id)
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if l3_agent_id:
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self.neutron().add_router_to_l3_agent(
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l3_agent_id, {'router_id': self.resource_id})
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class RouterInterface(neutron.NeutronResource):
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PROPERTIES = (
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ROUTER_ID, SUBNET_ID, SUBNET, PORT_ID,
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) = (
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'router_id', 'subnet_id', 'subnet', 'port_id',
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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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_('The router id.'),
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required=True
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),
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SUBNET_ID: properties.Schema(
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properties.Schema.STRING,
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support_status=support.SupportStatus(
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support.DEPRECATED,
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_('Use property %s.') % SUBNET)
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),
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SUBNET: properties.Schema(
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properties.Schema.STRING,
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_('The subnet, either subnet or port_id should be '
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'specified.')
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),
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PORT_ID: properties.Schema(
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properties.Schema.STRING,
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_('The port id, either subnet or port_id should be specified.')
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),
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}
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@staticmethod
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def _validate_depr_subnet_keys(properties, subnet_key, depr_subnet_key):
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subnet_value = properties.get(subnet_key)
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subnet_id_value = properties.get(depr_subnet_key)
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if subnet_value and subnet_id_value:
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raise exception.ResourcePropertyConflict(subnet_key,
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depr_subnet_key)
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if not subnet_value and not subnet_id_value:
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return False
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return True
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def validate(self):
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'''
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Validate any of the provided params
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'''
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super(RouterInterface, self).validate()
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prop_subnet_exists = self._validate_depr_subnet_keys(
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self.properties, self.SUBNET, self.SUBNET_ID)
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port_id = self.properties.get(self.PORT_ID)
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if prop_subnet_exists and port_id:
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raise exception.ResourcePropertyConflict(self.SUBNET,
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self.PORT_ID)
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if not prop_subnet_exists and not port_id:
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raise exception.PropertyUnspecifiedError(self.SUBNET,
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self.PORT_ID)
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def handle_create(self):
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router_id = self.properties.get(self.ROUTER_ID)
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key = 'subnet_id'
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value = self.client_plugin().resolve_subnet(
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dict(self.properties), self.SUBNET, key)
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if not value:
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key = self.PORT_ID
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value = self.properties.get(key)
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self.neutron().add_interface_router(
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router_id,
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{key: value})
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self.resource_id_set('%s:%s=%s' % (router_id, key, value))
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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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client = self.neutron()
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tokens = self.resource_id.replace('=', ':').split(':')
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if len(tokens) == 2: # compatible with old data
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tokens.insert(1, 'subnet_id')
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(router_id, key, value) = tokens
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try:
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client.remove_interface_router(
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router_id,
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{key: value})
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except Exception as ex:
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self.client_plugin().ignore_not_found(ex)
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class RouterGateway(neutron.NeutronResource):
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support_status = support.SupportStatus(
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support.DEPRECATED,
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_('RouterGateway resource is deprecated and should not be used. '
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'Instead use the `external_gateway_info` property in the router '
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'resource to set up the gateway.')
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)
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PROPERTIES = (
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ROUTER_ID, NETWORK_ID, NETWORK,
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) = (
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'router_id', 'network_id', 'network'
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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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_('ID of the router.'),
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required=True
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),
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NETWORK_ID: properties.Schema(
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properties.Schema.STRING,
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support_status=support.SupportStatus(
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support.DEPRECATED,
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_('Use property %s.') % NETWORK),
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required=False
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),
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NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('external network for the gateway.'),
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required=False
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),
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}
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def validate(self):
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super(RouterGateway, self).validate()
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self._validate_depr_property_required(
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self.properties, self.NETWORK, self.NETWORK_ID)
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def add_dependencies(self, deps):
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super(RouterGateway, self).add_dependencies(deps)
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for resource in self.stack.itervalues():
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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'):
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dep_router_id = resource.properties.get(
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RouterInterface.ROUTER_ID)
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router_id = self.properties.get(self.ROUTER_ID)
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if dep_router_id == router_id:
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deps += (self, resource)
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# depend on any subnet in this template with the same network_id
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# as this network_id, as the gateway implicitly creates a port
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# on that subnet
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if resource.has_interface('OS::Neutron::Subnet'):
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dep_network = resource.properties.get(
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subnet.Subnet.NETWORK) or resource.properties.get(
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subnet.Subnet.NETWORK_ID)
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network = self.properties.get(
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self.NETWORK) or self.properties.get(self.NETWORK_ID)
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if dep_network == network:
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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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network_id = self.client_plugin().resolve_network(
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dict(self.properties), self.NETWORK, 'network_id')
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self.neutron().add_gateway_router(
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router_id,
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{'network_id': network_id})
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self.resource_id_set('%s:%s' % (router_id, network_id))
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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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client = self.neutron()
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(router_id, network_id) = self.resource_id.split(':')
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try:
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client.remove_gateway_router(router_id)
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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::Router': Router,
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'OS::Neutron::RouterInterface': RouterInterface,
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'OS::Neutron::RouterGateway': RouterGateway,
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}
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