def __init__(self,
plugin,
collection,
resource,
attr_info,
allow_bulk=False,
member_actions=None,
parent=None,
allow_pagination=False,
allow_sorting=False):
if member_actions is None:
member_actions = []
self._plugin = plugin
self._collection = collection.replace('-', '_')
self._resource = resource.replace('-', '_')
self._attr_info = attr_info
self._allow_bulk = allow_bulk
self._allow_pagination = allow_pagination
self._allow_sorting = allow_sorting
self._native_bulk = self._is_native_bulk_supported()
self._native_pagination = self._is_native_pagination_supported()
self._native_sorting = self._is_native_sorting_supported()
self._policy_attrs = [
name for (name, info) in self._attr_info.items()
if info.get('required_by_policy')
]
self._notifier = n_rpc.get_notifier('network')
# use plugin's dhcp notifier, if this is already instantiated
agent_notifiers = getattr(plugin, 'agent_notifiers', {})
self._dhcp_agent_notifier = (agent_notifiers.get(
const.AGENT_TYPE_DHCP) or dhcp_rpc_agent_api.DhcpAgentNotifyAPI())
if cfg.CONF.notify_nova_on_port_data_changes:
from neutron.notifiers import nova
self._nova_notifier = nova.Notifier()
self._member_actions = member_actions
self._primary_key = self._get_primary_key()
if self._allow_pagination and self._native_pagination:
# Native pagination need native sorting support
if not self._native_sorting:
raise exceptions.Invalid(
_("Native pagination depend on native sorting"))
if not self._allow_sorting:
LOG.info(
_LI("Allow sorting is enabled because native "
"pagination requires native sorting"))
self._allow_sorting = True
if parent:
self._parent_id_name = '%s_id' % parent['member_name']
parent_part = '_%s' % parent['member_name']
else:
self._parent_id_name = None
parent_part = ''
self._plugin_handlers = {
self.LIST: 'get%s_%s' % (parent_part, self._collection),
self.SHOW: 'get%s_%s' % (parent_part, self._resource)
}
for action in [self.CREATE, self.UPDATE, self.DELETE]:
self._plugin_handlers[action] = '%s%s_%s' % (action, parent_part,
self._resource)
def _nova_notify(self, action, resource, *args):
action_resource = '%s_%s' % (action, resource)
if not hasattr(self, '_nova_notifier'):
# this is scoped to avoid a dependency on nova client when nova
# notifications aren't enabled
from neutron.notifiers import nova
self._nova_notifier = nova.Notifier()
self._nova_notifier.send_network_change(action_resource, *args)
def test_endpoint_types(self, mock_client):
nova.Notifier()
mock_client.assert_called_once_with(
nova.NOVA_API_VERSION,
session=mock.ANY,
region_name=cfg.CONF.nova.region_name,
endpoint_type='public',
extensions=mock.ANY)
mock_client.reset_mock()
cfg.CONF.set_override('endpoint_type', 'internal', 'nova')
nova.Notifier()
mock_client.assert_called_once_with(
nova.NOVA_API_VERSION,
session=mock.ANY,
region_name=cfg.CONF.nova.region_name,
endpoint_type='internal',
extensions=mock.ANY)
def setUp(self, plugin=None):
super(TestNovaNotify, self).setUp()
class FakePlugin(object):
def get_port(self, context, port_id):
device_id = '32102d7b-1cf4-404d-b50a-97aae1f55f87'
return {'device_id': device_id, 'device_owner': 'compute:None'}
self.nova_notifier = nova.Notifier()
self.nova_notifier._plugin_ref = FakePlugin()
def setUp(self, plugin=None):
super(TestNovaNotify, self).setUp()
class FakePlugin(object):
def get_port(self, context, port_id):
return {'device_id': 'instance_uuid',
'device_owner': 'compute:None'}
self.nova_notifier = nova.Notifier()
self.nova_notifier._plugin_ref = FakePlugin()
def __init__(self):
if cfg.CONF.notify_nova_on_port_status_changes:
from neutron.notifiers import nova
# NOTE(arosen) These event listeners are here to hook into when
# port status changes and notify nova about their change.
self.nova_notifier = nova.Notifier()
event.listen(models_v2.Port, 'after_insert',
self.nova_notifier.send_port_status)
event.listen(models_v2.Port, 'after_update',
self.nova_notifier.send_port_status)
event.listen(models_v2.Port.status, 'set',
self.nova_notifier.record_port_status_changed)
def setUp(self, plugin=None):
super(TestNovaNotify, self).setUp()
class FakePlugin(object):
def get_port(self, context, port_id):
device_id = '32102d7b-1cf4-404d-b50a-97aae1f55f87'
return {
'device_id': device_id,
'device_owner': DEVICE_OWNER_COMPUTE
}
self.nova_notifier = nova.Notifier()
directory.add_plugin(n_const.CORE, FakePlugin())
def setUp(self, plugin=None):
super(TestNovaNotify, self).setUp()
self.ctx = n_ctx.get_admin_context()
self.port_uuid = uuidutils.generate_uuid()
class FakePlugin(object):
def get_port(self, context, port_id):
device_id = '32102d7b-1cf4-404d-b50a-97aae1f55f87'
return {'device_id': device_id,
'device_owner': DEVICE_OWNER_COMPUTE,
'id': port_id}
self.nova_notifier = nova.Notifier()
directory.add_plugin(plugin_constants.CORE, FakePlugin())
def _nova_notifier(self):
return nova.Notifier()
def __init__(self,
plugin,
collection,
resource,
attr_info,
allow_bulk=False,
member_actions=None,
parent=None,
allow_pagination=False,
allow_sorting=False):
""" 控制器初始化 add by ;luoyibing
:param allowbulk 是否允许批量？
:param collection "subnet"
:param resource "subnet"
:param attr_info
:param plugin 插件信息
{
agent_notifters:{"DHCP agent":"DHCCPAgent***","L3 agent":"***","Loadbalancer agent"：“**”}
,extension_manager:
，mechaism manager 含义指 ？
,network schedule......
:param member_actions
resource
"""
if member_actions is None:
member_actions = []
self._plugin = plugin
self._collection = collection.replace('-', '_')
self._resource = resource.replace('-', '_')
self._attr_info = attr_info
self._allow_bulk = allow_bulk
self._allow_pagination = allow_pagination
self._allow_sorting = allow_sorting
self._native_bulk = self._is_native_bulk_supported()
self._native_pagination = self._is_native_pagination_supported()
self._native_sorting = self._is_native_sorting_supported()
self._policy_attrs = [
name for (name, info) in self._attr_info.items()
if info.get('required_by_policy')
]
self._notifier = n_rpc.get_notifier(
'network'
) #建立根据network.controller 名称通知的发布者:具体过程调用notifier.py中prepare方法实现
# use plugin's dhcp notifier, if this is already instantiated
agent_notifiers = getattr(plugin, 'agent_notifiers',
{}) #从插件中获取agent_notitfiers
self._dhcp_agent_notifier = ( #agent_notifiers中获取dhcp agent或者 DhcpAgentNotifyAPI
agent_notifiers.get(const.AGENT_TYPE_DHCP)
or dhcp_rpc_agent_api.DhcpAgentNotifyAPI())
if cfg.CONF.notify_nova_on_port_data_changes: #neutron.conf配置文件中配置项
from neutron.notifiers import nova
self._nova_notifier = nova.Notifier() #引入通知计算节点的Notifier
self._member_actions = member_actions
self._primary_key = self._get_primary_key()
if self._allow_pagination and self._native_pagination:
# Native pagination need native sorting support
if not self._native_sorting:
raise exceptions.Invalid(
_("Native pagination depend on native sorting"))
if not self._allow_sorting:
LOG.info(
_("Allow sorting is enabled because native "
"pagination requires native sorting"))
self._allow_sorting = True
if parent:
self._parent_id_name = '%s_id' % parent['member_name']
parent_part = '_%s' % parent['member_name']
else:
self._parent_id_name = None
parent_part = ''
self._plugin_handlers = {
self.LIST: 'get%s_%s' % (parent_part, self._collection),
self.SHOW: 'get%s_%s' % (parent_part, self._resource)
}
for action in [self.CREATE, self.UPDATE, self.DELETE]:
self._plugin_handlers[action] = '%s%s_%s' % (
action, parent_part, self._resource) #??创建对应的资源handers
def _get_client():
global client
if client is None:
client = n_nova.Notifier().nclient
return client
def __init__(self):
self.nclient = n_nova.Notifier().nclient
