/
port_tuple.py
284 lines (250 loc) · 11.3 KB
/
port_tuple.py
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2014 Cloudwatt
# All Rights Reserved.
#
# 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.
#
# @author: Rudra Rugge
from vnc_api.vnc_api import *
from config_db import *
from agent import Agent
class PortTupleAgent(Agent):
def __init__(self, svc_mon, vnc_lib, cassandra, config_section, logger):
super(PortTupleAgent, self).__init__(svc_mon, vnc_lib,
cassandra, config_section)
self._logger = logger
def handle_service_type(self):
return 'port-tuple'
def _allocate_iip_for_family(self, iip_family, si, port, vmi):
create_iip = True
update_vmi = False
iip_name = si.uuid + '-' + port['type'] + '-' + iip_family
for iip_id in si.instance_ips:
iip = InstanceIpSM.get(iip_id)
if iip and iip.name == iip_name:
create_iip = False
iip_id = iip.uuid
if iip.uuid not in vmi.instance_ips:
update_vmi = True
break
if create_iip:
iip_obj = InstanceIp(name=iip_name, instance_ip_family=iip_family)
vn_obj = self._vnc_lib.virtual_network_read(id=vmi.virtual_network)
iip_obj.add_virtual_network(vn_obj)
iip_obj.set_service_instance_ip(True)
iip_obj.set_instance_ip_secondary(True)
iip_obj.set_instance_ip_mode('active-active')
try:
self._vnc_lib.instance_ip_create(iip_obj)
self._vnc_lib.ref_relax_for_delete(iip_obj.uuid, vn_obj.uuid)
except RefsExistError:
self._vnc_lib.instance_ip_update(iip_obj)
except Exception as e:
return
iip_id = iip_obj.uuid
tag = ServiceInterfaceTag(interface_type=port['type'])
self._vnc_lib.ref_update('service-instance', si.uuid,
'instance-ip', iip_id, None, 'ADD', tag)
InstanceIpSM.locate(iip_id)
si.update()
if create_iip or update_vmi:
self._vnc_lib.ref_update('instance-ip', iip_id,
'virtual-machine-interface', vmi.uuid, None, 'ADD')
self._vnc_lib.ref_relax_for_delete(iip_id, vmi.uuid)
vmi.update()
return
def _allocate_shared_iip(self, si, port, vmi, vmi_obj):
self._allocate_iip_for_family('v4', si, port, vmi)
self._allocate_iip_for_family('v6', si, port, vmi)
return
def set_port_service_health_check(self, port, vmi):
# handle add
for health_id in port['service-health-checks']:
if health_id in vmi.service_health_checks:
continue
self._vnc_lib.ref_update('virtual-machine-interface', vmi.uuid,
'service-health-check', health_id, None, 'ADD')
vmi.update()
# handle deletes
for health_id in vmi.service_health_checks:
if health_id in port['service-health-checks']:
continue
self._vnc_lib.ref_update('virtual-machine-interface', vmi.uuid,
'service-health-check', health_id, None, 'DELETE')
vmi.update()
def set_port_static_routes(self, port, vmi):
# handle add
for irt_id in port['interface-route-tables']:
if irt_id in vmi.interface_route_tables:
continue
self._vnc_lib.ref_update('virtual-machine-interface', vmi.uuid,
'interface-route-table', irt_id, None, 'ADD')
vmi.update()
# handle deletes
for irt_id in vmi.interface_route_tables:
if irt_id in port['interface-route-tables']:
continue
self._vnc_lib.ref_update('virtual-machine-interface', vmi.uuid,
'interface-route-table', irt_id, None, 'DELETE')
vmi.update()
def update_secondary_iip(self, vmi):
for iip_id in vmi.instance_ips:
iip = InstanceIpSM.get(iip_id)
if not iip or not iip.instance_ip_secondary:
continue
update = False
iip_obj = InstanceIp()
iip_obj.name = iip.name
iip_obj.uuid = iip.uuid
if vmi.aaps and len(vmi.aaps):
if iip.secondary_tracking_ip != vmi.aaps[0]['ip']:
iip_obj.set_secondary_ip_tracking_ip(vmi.aaps[0]['ip'])
update = True
if iip.instance_ip_mode != vmi.aaps[0].get('address_mode', 'active-standby'):
iip_obj.set_instance_ip_mode(vmi.aaps[0].get('address_mode', 'active-standby'))
update = True
else:
if iip.secondary_tracking_ip:
iip_obj.set_secondary_ip_tracking_ip(None)
update = True
if iip.instance_ip_mode != 'active-active':
iip_obj.set_instance_ip_mode('active-active')
update = True
if update:
self._vnc_lib.instance_ip_update(iip_obj)
iip.update(iip_obj.serialize_to_json())
def set_port_allowed_address_pairs(self, port, vmi, vmi_obj):
if not port['allowed-address-pairs'] or \
not port['allowed-address-pairs'].get('allowed_address_pair', None):
if vmi.aaps and len(vmi.aaps):
vmi_obj.set_virtual_machine_interface_allowed_address_pairs(AllowedAddressPairs())
self._vnc_lib.virtual_machine_interface_update(vmi_obj)
vmi.update()
self.update_secondary_iip(vmi)
return
aaps = port['allowed-address-pairs'].get('allowed_address_pair', None)
update_aap = False
if len(aaps) != len(vmi.aaps or []):
update_aap = True
else:
for idx in range(0, len(vmi.aaps)):
if vmi.aaps[idx]['ip'] != aaps[idx]['ip']:
update_aap = True
break
if update_aap:
vmi_obj.set_virtual_machine_interface_allowed_address_pairs(
port['allowed-address-pairs'])
self._vnc_lib.virtual_machine_interface_update(vmi_obj)
vmi.update()
self.update_secondary_iip(vmi)
def delete_shared_iip(self, iip):
if not iip.service_instance_ip or not iip.instance_ip_secondary:
return
if iip.service_instance:
return
for vmi_id in iip.virtual_machine_interfaces:
self._vnc_lib.ref_update('instance-ip', iip.uuid,
'virtual-machine-interface', vmi_id, None, 'DELETE')
try:
self._vnc_lib.instance_ip_delete(id=iip.uuid)
InstanceIpSM.delete(iip.uuid)
except NoIdError:
return
def delete_old_vmi_links(self, vmi):
for iip_id in list(vmi.instance_ips):
iip = InstanceIpSM.get(iip_id)
if not iip or not iip.service_instance:
continue
self._vnc_lib.ref_update('instance-ip', iip_id,
'virtual-machine-interface', vmi.uuid, None, 'DELETE')
vmi.instance_ips.remove(iip_id)
for irt_id in vmi.interface_route_tables:
irt = InterfaceRouteTableSM.get(irt_id)
if irt and irt.service_instance:
self._vnc_lib.ref_update('virtual-machine-interface', vmi.uuid,
'interface-route-table', irt.uuid, None, 'DELETE')
vmi.interface_route_tables.remove(irt_id)
for health_id in vmi.service_health_checks:
health = ServiceHealthCheckSM.get(health_id)
if health and health.service_instance:
self._vnc_lib.ref_update('virtual-machine-interface', vmi.uuid,
'service-health-check', health.uuid, None, 'DELETE')
vmi.service_health_checks.remove(health_id)
def set_port_service_chain_ip(self, si, port, vmi, vmi_obj):
self._allocate_shared_iip(si, port, vmi, vmi_obj)
def get_port_config(self, st, si):
st_if_list = st.params.get('interface_type', [])
si_if_list = si.params.get('interface_list', [])
port_config = {}
for index in range(0, len(st_if_list)):
try:
si_if = si_if_list[index]
st_if = st_if_list[index]
except IndexError:
continue
port = {}
port['type'] = st_if.get('service_interface_type')
port['shared-ip'] = st_if.get('shared_ip')
port['static-route-enable'] = st_if.get('static_route_enable')
port['allowed-address-pairs'] = si_if.get('allowed_address_pairs')
port['interface-route-tables'] = []
for irt_id in si.interface_route_tables:
irt = InterfaceRouteTableSM.get(irt_id)
if irt and irt.service_interface_tag == port['type']:
port['interface-route-tables'].append(irt.uuid)
port['service-health-checks'] = []
for health_id in si.service_health_checks:
health = ServiceHealthCheckSM.get(health_id)
if health and health.service_interface_tag == port['type']:
port['service-health-checks'].append(health.uuid)
port_config[st_if.get('service_interface_type')] = port
return port_config
def update_port_tuple(self, vmi=None, pt_id=None):
if vmi:
if not vmi.port_tuple:
self.delete_old_vmi_links(vmi)
return
pt = PortTupleSM.get(vmi.port_tuple)
if pt_id:
pt = PortTupleSM.get(pt_id)
if not pt:
return
si = ServiceInstanceSM.get(pt.parent_key)
if not si:
return
st = ServiceTemplateSM.get(si.service_template)
port_config = self.get_port_config(st, si)
if not port_config:
return
for vmi_id in list(pt.virtual_machine_interfaces):
vmi = VirtualMachineInterfaceSM.get(vmi_id)
if not vmi:
continue
if not vmi.params:
continue
port = port_config[vmi.params.get('service_interface_type')]
if not port:
continue
vmi_obj = VirtualMachineInterface(fq_name=vmi.fq_name,
name=vmi.name, parent_type='project')
vmi_obj.uuid = vmi.uuid
self.set_port_service_chain_ip(si, port, vmi, vmi_obj)
self.set_port_allowed_address_pairs(port, vmi, vmi_obj)
self.set_port_service_health_check(port, vmi)
self.set_port_static_routes(port, vmi)
def update_port_tuples(self):
for si in ServiceInstanceSM.values():
for pt_id in si.port_tuples:
self.update_port_tuple(pt_id=pt_id)
for iip in InstanceIpSM.values():
self.delete_shared_iip(iip)