/
loadbalancer_db.py
251 lines (201 loc) · 8.91 KB
/
loadbalancer_db.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
#
# Copyright (c) 2014 Juniper Networks, Inc. All rights reserved.
#
import requests
import time
import uuid
from oslo.config import cfg
from cfgm_common import exceptions as vnc_exc
from neutron.common import exceptions as n_exc
from neutron.extensions import loadbalancer
from neutron.extensions.loadbalancer import LoadBalancerPluginBase
from vnc_api.vnc_api import VncApi
import loadbalancer_healthmonitor
import loadbalancer_member
import loadbalancer_pool
import virtual_ip
class LoadBalancerPluginDb(LoadBalancerPluginBase):
def __init__(self):
admin_user = cfg.CONF.keystone_authtoken.admin_user
admin_password = cfg.CONF.keystone_authtoken.admin_password
admin_tenant_name = cfg.CONF.keystone_authtoken.admin_tenant_name
api_srvr_ip = cfg.CONF.APISERVER.api_server_ip
api_srvr_port = cfg.CONF.APISERVER.api_server_port
try:
auth_host = cfg.CONF.keystone_authtoken.auth_host
except cfg.NoSuchOptError:
auth_host = "127.0.0.1"
try:
auth_protocol = cfg.CONF.keystone_authtoken.auth_protocol
except cfg.NoSuchOptError:
auth_protocol = "http"
try:
auth_port = cfg.CONF.keystone_authtoken.auth_port
except cfg.NoSuchOptError:
auth_port = "35357"
try:
auth_url = cfg.CONF.keystone_authtoken.auth_url
except cfg.NoSuchOptError:
auth_url = "/v2.0/tokens"
try:
auth_type = cfg.CONF.keystone_authtoken.auth_type
except cfg.NoSuchOptError:
auth_type = "keystone"
try:
api_server_url = cfg.CONF.APISERVER.api_server_url
except cfg.NoSuchOptError:
api_server_url = "/"
# Retry till a api-server is up
connected = False
while not connected:
try:
self._api = VncApi(
admin_user, admin_password, admin_tenant_name,
api_srvr_ip, api_srvr_port, api_server_url,
auth_host=auth_host, auth_port=auth_port,
auth_protocol=auth_protocol, auth_url=auth_url,
auth_type=auth_type)
connected = True
except requests.exceptions.RequestException as e:
time.sleep(3)
self._pool_manager = \
loadbalancer_pool.LoadbalancerPoolManager(self._api)
self._vip_manager = virtual_ip.VirtualIpManager(self._api)
self._member_manager = \
loadbalancer_member.LoadbalancerMemberManager(self._api)
self._monitor_manager = \
loadbalancer_healthmonitor.LoadbalancerHealthmonitorManager(
self._api)
def get_api_client(self):
return self._api
def get_vips(self, context, filters=None, fields=None):
return self._vip_manager.get_collection(context, filters, fields)
def get_vip(self, context, id, fields=None):
return self._vip_manager.get_resource(context, id, fields)
def create_vip(self, context, vip):
try:
return self._vip_manager.create(context, vip)
except vnc_exc.PermissionDenied as ex:
raise n_exc.BadRequest(resource='vip', msg=str(ex))
def update_vip(self, context, id, vip):
return self._vip_manager.update(context, id, vip)
def delete_vip(self, context, id):
return self._vip_manager.delete(context, id)
def get_pools(self, context, filters=None, fields=None):
return self._pool_manager.get_collection(context, filters, fields)
def get_pool(self, context, id, fields=None):
return self._pool_manager.get_resource(context, id, fields)
def create_pool(self, context, pool):
try:
return self._pool_manager.create(context, pool)
except vnc_exc.PermissionDenied as ex:
raise n_exc.BadRequest(resource='pool', msg=str(ex))
def update_pool(self, context, id, pool):
return self._pool_manager.update(context, id, pool)
def delete_pool(self, context, id):
return self._pool_manager.delete(context, id)
def stats(self, context, pool_id):
pass
def create_pool_health_monitor(self, context, health_monitor, pool_id):
""" Associate an health monitor with a pool.
"""
m = health_monitor['health_monitor']
try:
pool = self._api.loadbalancer_pool_read(id=pool_id)
except NoIdError:
raise loadbalancer.PoolNotFound(pool_id=pool_id)
try:
monitor = self._api.loadbalancer_healthmonitor_read(id=m['id'])
except NoIdError:
raise loadbalancer.HealthMonitorNotFound(monitor_id=m['id'])
if not context.is_admin:
tenant_id = str(uuid.UUID(context.tenant_id))
if tenant_id != pool.parent_uuid or \
tenant_id != monitor.parent_uuid:
raise n_exc.NotAuthorized()
pool_refs = monitor.get_loadbalancer_pool_back_refs()
if pool_refs is not None:
for ref in pool_refs:
if ref['uuid'] == pool_id:
raise loadbalancer.PoolMonitorAssociationExists(
monitor_id=m['id'], pool_id=pool_id)
pool.add_loadbalancer_healthmonitor(monitor)
self._api.loadbalancer_pool_update(pool)
res = {
'id': monitor.uuid,
'tenant_id': monitor.parent_uuid.replace('-', '')
}
return res
def get_pool_health_monitor(self, context, id, pool_id, fields=None):
""" Query a specific pool, health_monitor association.
"""
try:
pool = self._api.loadbalancer_pool_read(id=pool_id)
except NoIdError:
raise loadbalancer.PoolNotFound(pool_id=id)
tenant_id = str(uuid.UUID(context.tenant_id))
if not context.is_admin and tenant_id != pool.parent_uuid:
raise loadbalancer.PoolNotFound(pool_id=id)
in_list = False
for mref in pool.get_loadbalancer_healthmonitor_refs() or []:
if mref['uuid'] == id:
in_list = True
break
if not in_list:
raise loadbalancer.PoolMonitorAssociationNotFound(
monitor_id=id, pool_id=pool_id)
res = {
'pool_id': pool_id,
'monitor_id': id,
'status': self._pool_manager._get_object_status(pool),
'tenant_id': pool.parent_uuid.replace('-', '')
}
return self._pool_manager._fields(res, fields)
def delete_pool_health_monitor(self, context, id, pool_id):
try:
pool = self._api.loadbalancer_pool_read(id=pool_id)
except NoIdError:
raise loadbalancer.PoolNotFound(pool_id=id)
tenant_id = str(uuid.UUID(context.tenant_id))
if not context.is_admin and tenant_id != pool.parent_uuid:
raise loadbalancer.PoolNotFound(pool_id=id)
try:
monitor = self._api.loadbalancer_healthmonitor_read(id=id)
except NoIdError:
raise loadbalancer.HealthMonitorNotFound(monitor_id=id)
in_list = False
for mref in pool.get_loadbalancer_healthmonitor_refs():
if mref['uuid'] == id:
in_list = True
break
if not in_list:
raise loadbalancer.PoolMonitorAssociationNotFound(
monitor_id=id, pool_id=pool_id)
pool.del_loadbalancer_healthmonitor(monitor)
self._api.loadbalancer_pool_update(pool)
def get_members(self, context, filters=None, fields=None):
return self._member_manager.get_collection(context, filters, fields)
def get_member(self, context, id, fields=None):
return self._member_manager.get_resource(context, id, fields)
def create_member(self, context, member):
try:
return self._member_manager.create(context, member)
except vnc_exc.PermissionDenied as ex:
raise n_exc.BadRequest(resource='member', msg=str(ex))
def update_member(self, context, id, member):
return self._member_manager.update(context, id, member)
def delete_member(self, context, id):
return self._member_manager.delete(context, id)
def get_health_monitors(self, context, filters=None, fields=None):
return self._monitor_manager.get_collection(context, filters, fields)
def get_health_monitor(self, context, id, fields=None):
return self._monitor_manager.get_resource(context, id, fields)
def create_health_monitor(self, context, health_monitor):
try:
return self._monitor_manager.create(context, health_monitor)
except vnc_exc.PermissionDenied as ex:
raise n_exc.BadRequest(resource='health_monitor', msg=str(ex))
def update_health_monitor(self, context, id, health_monitor):
return self._monitor_manager.update(context, id, health_monitor)
def delete_health_monitor(self, context, id):
return self._monitor_manager.delete(context, id)