1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# Copyright (c) 2012 OpenStack Foundation.
#
# 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 neutron_lib.api.definitions import network
from neutron_lib.api.definitions import port
from neutron_lib.api.definitions import portbindings_extended
from neutron_lib.api.definitions import subnet
NETWORK = network.RESOURCE_NAME
SUBNET = subnet.RESOURCE_NAME
PORT = port.RESOURCE_NAME
PORT_BINDING = portbindings_extended.RESOURCE_NAME
SECURITY_GROUP = 'security_group'
L2POPULATION = 'l2population'
DVR = 'dvr'
RESOURCES = 'resources'
CREATE = 'create'
DELETE = 'delete'
UPDATE = 'update'
ACTIVATE = 'activate'
DEACTIVATE = 'deactivate'
AGENT = 'q-agent-notifier'
PLUGIN = 'q-plugin'
SERVER_RESOURCE_VERSIONS = 'q-server-resource-versions'
L3PLUGIN = 'q-l3-plugin'
REPORTS = 'q-reports-plugin'
DHCP = 'q-dhcp-notifer'
METERING_PLUGIN = 'q-metering-plugin'
L3_AGENT = 'l3_agent'
DHCP_AGENT = 'dhcp_agent'
METERING_AGENT = 'metering_agent'
RESOURCE_TOPIC_PATTERN = "neutron-vo-%(resource_type)s-%(version)s"
def get_topic_name(prefix, table, operation, host=None):
"""Create a topic name.
The topic name needs to be synced between the agent and the
plugin. The plugin will send a fanout message to all of the
listening agents so that the agents in turn can perform their
updates accordingly.
:param prefix: Common prefix for the plugin/agent message queues.
:param table: The table in question (NETWORK, SUBNET, PORT).
:param operation: The operation that invokes notification (CREATE,
DELETE, UPDATE)
:param host: Add host to the topic
:returns: The topic name.
"""
if host:
return '{}-{}-{}.{}'.format(prefix, table, operation, host)
return '{}-{}-{}'.format(prefix, table, operation)
|
