ec35f074cc
This allows exception imports to be encapsulated inside the neutron plugin, and plugins are likely the most appropriate place for custom constraints to live. Change-Id: I5766edb305b7cfffdcd8943fb6edce7f3e9ff26d
187 lines
6.5 KiB
Python
187 lines
6.5 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.
|
|
|
|
from heat.engine import attributes
|
|
from heat.engine import properties
|
|
from heat.engine.resources.neutron import neutron
|
|
|
|
import neutronclient.common.exceptions as neutron_exp
|
|
|
|
|
|
class Net(neutron.NeutronResource):
|
|
PROPERTIES = (
|
|
NAME, VALUE_SPECS, ADMIN_STATE_UP, TENANT_ID, SHARED,
|
|
DHCP_AGENT_IDS,
|
|
) = (
|
|
'name', 'value_specs', 'admin_state_up', 'tenant_id', 'shared',
|
|
'dhcp_agent_ids',
|
|
)
|
|
|
|
ATTRIBUTES = (
|
|
STATUS, NAME_ATTR, SUBNETS, ADMIN_STATE_UP_ATTR, TENANT_ID_ATTR, SHOW,
|
|
) = (
|
|
"status", "name", "subnets", "admin_state_up", "tenant_id", "show",
|
|
)
|
|
|
|
properties_schema = {
|
|
NAME: properties.Schema(
|
|
properties.Schema.STRING,
|
|
_('A string specifying a symbolic name for the network, which is '
|
|
'not required to be unique.'),
|
|
update_allowed=True
|
|
),
|
|
VALUE_SPECS: properties.Schema(
|
|
properties.Schema.MAP,
|
|
_('Extra parameters to include in the "network" object in the '
|
|
'creation request. Parameters are often specific to installed '
|
|
'hardware or extensions.'),
|
|
default={},
|
|
update_allowed=True
|
|
),
|
|
ADMIN_STATE_UP: properties.Schema(
|
|
properties.Schema.BOOLEAN,
|
|
_('A boolean value specifying the administrative status of the '
|
|
'network.'),
|
|
default=True,
|
|
update_allowed=True
|
|
),
|
|
TENANT_ID: properties.Schema(
|
|
properties.Schema.STRING,
|
|
_('The ID of the tenant which will own the network. Only '
|
|
'administrative users can set the tenant identifier; this '
|
|
'cannot be changed using authorization policies.')
|
|
),
|
|
SHARED: properties.Schema(
|
|
properties.Schema.BOOLEAN,
|
|
_('Whether this network should be shared across all tenants. '
|
|
'Note that the default policy setting restricts usage of this '
|
|
'attribute to administrative users only.'),
|
|
default=False,
|
|
update_allowed=True
|
|
),
|
|
DHCP_AGENT_IDS: properties.Schema(
|
|
properties.Schema.LIST,
|
|
_('The IDs of the DHCP agent to schedule the network. Note that '
|
|
'the default policy setting in Neutron restricts usage of this '
|
|
'property to administrative users only.'),
|
|
update_allowed=True
|
|
),
|
|
}
|
|
|
|
attributes_schema = {
|
|
STATUS: attributes.Schema(
|
|
_("The status of the network.")
|
|
),
|
|
NAME_ATTR: attributes.Schema(
|
|
_("The name of the network.")
|
|
),
|
|
SUBNETS: attributes.Schema(
|
|
_("Subnets of this network.")
|
|
),
|
|
ADMIN_STATE_UP_ATTR: attributes.Schema(
|
|
_("The administrative status of the network.")
|
|
),
|
|
TENANT_ID_ATTR: attributes.Schema(
|
|
_("The tenant owning this network.")
|
|
),
|
|
SHOW: attributes.Schema(
|
|
_("All attributes.")
|
|
),
|
|
}
|
|
|
|
def handle_create(self):
|
|
props = self.prepare_properties(
|
|
self.properties,
|
|
self.physical_resource_name())
|
|
|
|
dhcp_agent_ids = props.pop(self.DHCP_AGENT_IDS, None)
|
|
|
|
net = self.neutron().create_network({'network': props})['network']
|
|
self.resource_id_set(net['id'])
|
|
|
|
if dhcp_agent_ids:
|
|
self._replace_dhcp_agents(dhcp_agent_ids)
|
|
|
|
def _show_resource(self):
|
|
return self.neutron().show_network(
|
|
self.resource_id)['network']
|
|
|
|
def check_create_complete(self, *args):
|
|
attributes = self._show_resource()
|
|
return self.is_built(attributes)
|
|
|
|
def handle_delete(self):
|
|
client = self.neutron()
|
|
try:
|
|
client.delete_network(self.resource_id)
|
|
except neutron_exp.NeutronClientException as ex:
|
|
self._handle_not_found_exception(ex)
|
|
else:
|
|
return self._delete_task()
|
|
|
|
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
|
|
props = self.prepare_update_properties(json_snippet)
|
|
|
|
dhcp_agent_ids = props.pop(self.DHCP_AGENT_IDS, None)
|
|
|
|
if self.DHCP_AGENT_IDS in prop_diff:
|
|
if dhcp_agent_ids is not None:
|
|
self._replace_dhcp_agents(dhcp_agent_ids)
|
|
del prop_diff[self.DHCP_AGENT_IDS]
|
|
|
|
if len(prop_diff) > 0:
|
|
self.neutron().update_network(
|
|
self.resource_id, {'network': props})
|
|
|
|
def check_update_complete(self, *args):
|
|
attributes = self._show_resource()
|
|
return self.is_built(attributes)
|
|
|
|
def _handle_not_found_exception(self, ex):
|
|
# raise any exception which is not for a not found network
|
|
if not (ex.status_code == 404 or
|
|
isinstance(ex, neutron_exp.NetworkNotFoundClient)):
|
|
raise ex
|
|
|
|
def _replace_dhcp_agents(self, dhcp_agent_ids):
|
|
ret = self.neutron().list_dhcp_agent_hosting_networks(
|
|
self.resource_id)
|
|
old = set([agent['id'] for agent in ret['agents']])
|
|
new = set(dhcp_agent_ids)
|
|
|
|
for dhcp_agent_id in new - old:
|
|
try:
|
|
self.neutron().add_network_to_dhcp_agent(
|
|
dhcp_agent_id, {'network_id': self.resource_id})
|
|
except neutron_exp.NeutronClientException as ex:
|
|
# if 409 is happened, the agent is already associated.
|
|
if ex.status_code != 409:
|
|
raise ex
|
|
|
|
for dhcp_agent_id in old - new:
|
|
try:
|
|
self.neutron().remove_network_from_dhcp_agent(
|
|
dhcp_agent_id, self.resource_id)
|
|
except neutron_exp.NeutronClientException as ex:
|
|
# assume 2 patterns about status_code following:
|
|
# 404: the network or agent is already gone
|
|
# 409: the network isn't scheduled by the dhcp_agent
|
|
if ex.status_code not in (404, 409):
|
|
raise ex
|
|
|
|
|
|
def resource_mapping():
|
|
return {
|
|
'OS::Neutron::Net': Net,
|
|
}
|