Newer
Older
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
285
286
# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# 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.
import json
from typing import Any, Dict, List, Tuple
from common.Constants import DEFAULT_CONTEXT_NAME, DEFAULT_TOPOLOGY_NAME
from common.method_wrappers.ServiceExceptions import InvalidArgumentException
from common.proto.context_pb2 import ConfigActionEnum, Device, DeviceConfig
from common.proto.device_pb2 import MonitoringSettings
from common.proto.kpi_sample_types_pb2 import KpiSampleType
from common.tools.grpc.Tools import grpc_message_to_json
from .driver_api._Driver import _Driver, RESOURCE_ENDPOINTS
from .monitoring.MonitoringLoops import MonitoringLoops
ERROR_ENDPOINT = 'Device({:s}): GetConfig retrieved malformed Endpoint({:s})'
ERROR_GET = 'Device({:s}): Unable to Get resource(key={:s}); error({:s})'
ERROR_GET_INIT = 'Device({:s}): Unable to Get Initial resource(key={:s}); error({:s})'
ERROR_SET = 'Device({:s}): Unable to Set resource(key={:s}, value={:s}); error({:s})'
ERROR_DELETE = 'Device({:s}): Unable to Delete resource(key={:s}, value={:s}); error({:s})'
ERROR_SAMPLETYPE = 'Device({:s})/EndPoint({:s}): SampleType({:s}/{:s}) not supported'
ERROR_SUBSCRIBE = 'Device({:s}): Unable to Subscribe subscription(key={:s}, duration={:s}, interval={:s}); '+\
'error({:s})'
ERROR_MISSING_KPI = 'Device({:s}): Kpi({:s}) not found'
ERROR_UNSUBSCRIBE = 'Device({:s}): Unable to Unsubscribe subscription(key={:s}, duration={:s}, interval={:s}); '+\
'error({:s})'
def check_connect_rules(device_config : DeviceConfig) -> Dict[str, Any]:
connection_config_rules = dict()
unexpected_config_rules = list()
for config_rule in device_config.config_rules:
is_action_set = (config_rule.action == ConfigActionEnum.CONFIGACTION_SET)
is_custom_rule = (config_rule.WhichOneof('config_rule') == 'custom')
if is_action_set and is_custom_rule and (config_rule.custom.resource_key.startswith('_connect/')):
connect_attribute = config_rule.custom.resource_key.replace('_connect/', '')
connection_config_rules[connect_attribute] = config_rule.custom.resource_value
else:
unexpected_config_rules.append(config_rule)
if len(unexpected_config_rules) > 0:
unexpected_config_rules = grpc_message_to_json(device_config)
unexpected_config_rules = unexpected_config_rules['config_rules']
unexpected_config_rules = list(filter(
lambda cr: cr.get('custom', {})['resource_key'].replace('_connect/', '') not in connection_config_rules,
unexpected_config_rules))
str_unexpected_config_rules = json.dumps(unexpected_config_rules, sort_keys=True)
raise InvalidArgumentException(
'device.device_config.config_rules', str_unexpected_config_rules,
extra_details='RPC method AddDevice only accepts connection Config Rules that should start '\
'with "_connect/" tag. Others should be configured after adding the device.')
return connection_config_rules
def get_connect_rules(device_config : DeviceConfig) -> Dict[str, Any]:
connect_rules = dict()
for config_rule in device_config.config_rules:
if config_rule.action != ConfigActionEnum.CONFIGACTION_SET: continue
if config_rule.WhichOneof('config_rule') != 'custom': continue
if not config_rule.custom.resource_key.startswith('_connect/'): continue
connect_attribute = config_rule.custom.resource_key.replace('_connect/', '')
connect_rules[connect_attribute] = config_rule.custom.resource_value
return connect_rules
def check_no_endpoints(device_endpoints) -> None:
if len(device_endpoints) == 0: return
unexpected_endpoints = []
for device_endpoint in device_endpoints:
unexpected_endpoints.append(grpc_message_to_json(device_endpoint))
str_unexpected_endpoints = json.dumps(unexpected_endpoints, sort_keys=True)
raise InvalidArgumentException(
'device.device_endpoints', str_unexpected_endpoints,
extra_details='RPC method AddDevice does not accept Endpoints. Endpoints are discovered through '\
'interrogation of the physical device.')
def populate_endpoints(device : Device, driver : _Driver, monitoring_loops : MonitoringLoops) -> List[str]:
device_uuid = device.device_id.device_uuid.uuid
resources_to_get = [RESOURCE_ENDPOINTS]
results_getconfig = driver.GetConfig(resources_to_get)
errors : List[str] = list()
for endpoint in results_getconfig:
if len(endpoint) != 2:
errors.append(ERROR_ENDPOINT.format(device_uuid, str(endpoint)))
continue
resource_key, resource_value = endpoint
if isinstance(resource_value, Exception):
errors.append(ERROR_GET.format(device_uuid, str(resource_key), str(resource_value)))
continue
endpoint_uuid = resource_value.get('uuid')
device_endpoint = device.device_endpoints.add()
device_endpoint.topology_id.context_id.context_uuid.uuid = DEFAULT_CONTEXT_NAME
device_endpoint.topology_id.topology_uuid.uuid = DEFAULT_TOPOLOGY_NAME
device_endpoint.endpoint_id.device_id.device_uuid.uuid = device_uuid
device_endpoint.endpoint_id.endpoint_uuid.uuid = endpoint_uuid
device_endpoint.endpoint_type = resource_value.get('type')
sample_types : Dict[int, str] = resource_value.get('sample_types', {})
for kpi_sample_type, monitor_resource_key in sample_types.items():
device_endpoint.kpi_sample_types.append(kpi_sample_type)
monitoring_loops.add_resource_key(device_uuid, endpoint_uuid, kpi_sample_type, monitor_resource_key)
return errors
def populate_config_rules(device : Device, driver : _Driver) -> List[str]:
device_uuid = device.device_id.device_uuid.uuid
resources_to_get = ['ALL']
results_getconfig = driver.GetConfig()
errors : List[str] = list()
for resource_key, resource_value in zip(resources_to_get, results_getconfig):
if isinstance(resource_value, Exception):
errors.append(ERROR_GET.format(device_uuid, str(resource_key), str(resource_value)))
continue
config_rule = device.device_config.config_rules.add()
config_rule.action = ConfigActionEnum.CONFIGACTION_SET
config_rule.custom.resource_key = resource_key
config_rule.custom.resource_value = json.dumps(resource_value, sort_keys=True)
return errors
def populate_initial_config_rules(device_uuid : str, device_config : DeviceConfig, driver : _Driver) -> List[str]:
results_getinitconfig = driver.GetInitialConfig()
errors : List[str] = list()
for resource_key, resource_value in results_getinitconfig:
if isinstance(resource_value, Exception):
errors.append(ERROR_GET_INIT.format(device_uuid, str(resource_key), str(resource_value)))
continue
config_rule = device_config.config_rules.add()
config_rule.action = ConfigActionEnum.CONFIGACTION_SET
config_rule.custom.resource_key = resource_key
config_rule.custom.resource_value = json.dumps(resource_value, sort_keys=True)
return errors
def compute_rules_to_add_delete(
device : Device, request : Device
) -> Tuple[List[Tuple[str, Any]], List[Tuple[str, Any]]]:
# convert config rules from context into a dictionary
# TODO: add support for non-custom config rules
context_config_rules = {
config_rule.custom.resource_key: config_rule.custom.resource_value
for config_rule in device.device_config.config_rules
if config_rule.WhichOneof('config_rule') == 'custom'
}
# convert config rules from request into a list
# TODO: add support for non-custom config rules
request_config_rules = [
(config_rule.action, config_rule.custom.resource_key, config_rule.custom.resource_value)
for config_rule in request.device_config.config_rules
if config_rule.WhichOneof('config_rule') == 'custom'
]
resources_to_set : List[Tuple[str, Any]] = [] # key, value
resources_to_delete : List[Tuple[str, Any]] = [] # key, value
for action, key, value in request_config_rules:
if action == ConfigActionEnum.CONFIGACTION_SET:
if (key in context_config_rules) and (context_config_rules[key][0] == value): continue
resources_to_set.append((key, value))
elif action == ConfigActionEnum.CONFIGACTION_DELETE:
if key not in context_config_rules: continue
resources_to_delete.append((key, value))
return resources_to_set, resources_to_delete
def configure_rules(device : Device, driver : _Driver, resources_to_set : List[Tuple[str, Any]]) -> List[str]:
device_uuid = device.device_id.device_uuid.uuid
results_setconfig = driver.SetConfig(resources_to_set)
errors : List[str] = list()
for (resource_key, resource_value), result in zip(resources_to_set, results_setconfig):
if isinstance(result, Exception):
errors.append(ERROR_SET.format(device_uuid, str(resource_key), str(resource_value), str(result)))
continue
# add to config of device
config_rule = device.device_config.config_rules.add()
config_rule.action = ConfigActionEnum.CONFIGACTION_SET
config_rule.custom.resource_key = resource_key
config_rule.custom.resource_value = json.dumps(resource_value, sort_keys=True)
return errors
def deconfigure_rules(device : Device, driver : _Driver, resources_to_delete : List[Tuple[str, Any]]) -> List[str]:
device_uuid = device.device_id.device_uuid.uuid
results_deleteconfig = driver.DeleteConfig(resources_to_delete)
errors : List[str] = list()
for (resource_key, resource_value), result in zip(resources_to_delete, results_deleteconfig):
if isinstance(result, Exception):
errors.append(ERROR_DELETE.format(device_uuid, str(resource_key), str(resource_value), str(result)))
continue
# remove from config of device
config_rule = device.device_config.config_rules.add()
config_rule.action = ConfigActionEnum.CONFIGACTION_SET
config_rule.custom.resource_key = resource_key
config_rule.custom.resource_value = json.dumps(resource_value, sort_keys=True)
return errors
def subscribe_kpi(request : MonitoringSettings, driver : _Driver, monitoring_loops : MonitoringLoops) -> List[str]:
kpi_uuid = request.kpi_id.kpi_id.uuid
device_uuid = request.kpi_descriptor.device_id.device_uuid.uuid
endpoint_uuid = request.kpi_descriptor.endpoint_id.endpoint_uuid.uuid
kpi_sample_type = request.kpi_descriptor.kpi_sample_type
resource_key = monitoring_loops.get_resource_key(device_uuid, endpoint_uuid, kpi_sample_type)
if resource_key is None:
kpi_sample_type_name = KpiSampleType.Name(kpi_sample_type).upper().replace('KPISAMPLETYPE_', '')
return [
ERROR_SAMPLETYPE.format(
str(device_uuid), str(endpoint_uuid), str(kpi_sample_type), str(kpi_sample_type_name)
)
]
sampling_duration = request.sampling_duration_s # seconds
sampling_interval = request.sampling_interval_s # seconds
resources_to_subscribe = [(resource_key, sampling_duration, sampling_interval)]
results_subscribestate = driver.SubscribeState(resources_to_subscribe)
errors : List[str] = list()
for (resource_key, duration, interval), result in zip(resources_to_subscribe, results_subscribestate):
if isinstance(result, Exception):
errors.append(ERROR_SUBSCRIBE.format(
str(device_uuid), str(resource_key), str(duration), str(interval), str(result)
))
continue
monitoring_loops.add_kpi(device_uuid, resource_key, kpi_uuid, sampling_duration, sampling_interval)
monitoring_loops.add_device(device_uuid, driver)
return errors
def unsubscribe_kpi(request : MonitoringSettings, driver : _Driver, monitoring_loops : MonitoringLoops) -> List[str]:
kpi_uuid = request.kpi_id.kpi_id.uuid
device_uuid = request.kpi_descriptor.device_id.device_uuid.uuid
#endpoint_uuid = request.kpi_descriptor.endpoint_id.endpoint_uuid.uuid
#kpi_sample_type = request.kpi_descriptor.kpi_sample_type
# TODO: consider if further validation needs to be done (correct endpoint_uuid?, correct kpi_sample_type?)
#resource_key = monitoring_loops.get_resource_key(device_uuid, endpoint_uuid, kpi_sample_type)
#if resource_key is None:
# kpi_sample_type_name = KpiSampleType.Name(kpi_sample_type).upper().replace('KPISAMPLETYPE_', '')
# return [ERROR_SAMPLETYPE.format(device_uuid, endpoint_uuid, str(kpi_sample_type), str(kpi_sample_type_name))]
kpi_details = monitoring_loops.get_kpi_by_uuid(kpi_uuid)
if kpi_details is None:
return [ERROR_MISSING_KPI.format(str(device_uuid), str(kpi_uuid))]
device_uuid, resource_key, sampling_duration, sampling_interval = kpi_details
resources_to_unsubscribe = [(resource_key, sampling_duration, sampling_interval)]
results_unsubscribestate = driver.UnsubscribeState(resources_to_unsubscribe)
errors : List[str] = list()
for (resource_key, duration, interval), result in zip(resources_to_unsubscribe, results_unsubscribestate):
if isinstance(result, Exception):
errors.append(ERROR_UNSUBSCRIBE.format(
device_uuid, str(resource_key), str(duration), str(interval), str(result)))
continue
monitoring_loops.remove_kpi(kpi_uuid)
#monitoring_loops.remove_device(device_uuid) # Do not remove; one monitoring_loop/device used by multiple requests
return errors