Newer
Older
# Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (https://tfs.etsi.org/)
#
# 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 logging
from typing import Any, Dict, Optional, Tuple, TypedDict
from common.proto.kpi_sample_types_pb2 import KpiSampleType
from common.type_checkers.Checkers import chk_attribute, chk_string, chk_type
from device.service.driver_api._Driver import RESOURCE_ENDPOINTS
from .Constants import SPECIAL_RESOURCE_MAPPINGS
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
class LANPrefixesDict(TypedDict):
lan: str
lan_tag: str
LOGGER = logging.getLogger(__name__)
SITE_NETWORK_ACCESS_TYPE = "ietf-l3vpn-svc:multipoint"
def service_exists(wim_url: str, auth, service_uuid: str) -> bool:
try:
get_connectivity_service(wim_url, auth, service_uuid)
return True
except: # pylint: disable=bare-except
return False
def get_all_active_connectivity_services(wim_url: str, auth):
try:
LOGGER.info("Sending get all connectivity services")
servicepoint = f"{wim_url}/restconf/data/ietf-l3vpn-svc:l3vpn-svc/vpn-services"
response = requests.get(servicepoint, auth=auth)
if response.status_code != requests.codes.ok:
raise Exception(
"Unable to get all connectivity services",
http_code=response.status_code,
)
return response
except requests.exceptions.ConnectionError:
raise Exception("Request Timeout", http_code=408)
def get_connectivity_service(wim_url, auth, service_uuid):
try:
LOGGER.info("Sending get connectivity service")
servicepoint = f"{wim_url}/restconf/data/ietf-l3vpn-svc:l3vpn-svc/vpn-services/vpn-service={service_uuid}"
response = requests.get(servicepoint)
if response.status_code != requests.codes.ok:
raise Exception(
"Unable to get connectivity service{:s}".format(str(service_uuid)),
http_code=response.status_code,
)
return response
except requests.exceptions.ConnectionError:
raise Exception("Request Timeout", http_code=408)
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
def process_optional_string_field(
endpoint_data: Dict[str, Any],
field_name: str,
endpoint_resource_value: Dict[str, Any],
) -> None:
field_value = chk_attribute(
field_name, endpoint_data, "endpoint_data", default=None
)
if field_value is None:
return
chk_string("endpoint_data.{:s}".format(field_name), field_value)
if len(field_value) > 0:
endpoint_resource_value[field_name] = field_value
def compose_resource_endpoint(
endpoint_data: Dict[str, Any],
) -> Optional[Tuple[str, Dict]]:
try:
# Check type of endpoint_data
chk_type("endpoint_data", endpoint_data, dict)
# Check endpoint UUID (mandatory)
endpoint_uuid = chk_attribute("uuid", endpoint_data, "endpoint_data")
chk_string("endpoint_data.uuid", endpoint_uuid, min_length=1)
endpoint_resource_path = SPECIAL_RESOURCE_MAPPINGS.get(RESOURCE_ENDPOINTS)
endpoint_resource_key = "{:s}/endpoint[{:s}]".format(
endpoint_resource_path, endpoint_uuid
)
endpoint_resource_value = {"uuid": endpoint_uuid}
# Check endpoint optional string fields
process_optional_string_field(endpoint_data, "name", endpoint_resource_value)
process_optional_string_field(
endpoint_data, "site_location", endpoint_resource_value
)
process_optional_string_field(endpoint_data, "ce-ip", endpoint_resource_value)
process_optional_string_field(
endpoint_data, "address_ip", endpoint_resource_value
)
process_optional_string_field(
endpoint_data, "address_prefix", endpoint_resource_value
)
process_optional_string_field(endpoint_data, "mtu", endpoint_resource_value)
process_optional_string_field(
endpoint_data, "ipv4_lan_prefixes", endpoint_resource_value
)
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
process_optional_string_field(endpoint_data, "type", endpoint_resource_value)
process_optional_string_field(
endpoint_data, "context_uuid", endpoint_resource_value
)
process_optional_string_field(
endpoint_data, "topology_uuid", endpoint_resource_value
)
# Check endpoint sample types (optional)
endpoint_sample_types = chk_attribute(
"sample_types", endpoint_data, "endpoint_data", default=[]
)
chk_type("endpoint_data.sample_types", endpoint_sample_types, list)
sample_types = {}
sample_type_errors = []
for i, endpoint_sample_type in enumerate(endpoint_sample_types):
field_name = "endpoint_data.sample_types[{:d}]".format(i)
try:
chk_type(field_name, endpoint_sample_type, (int, str))
if isinstance(endpoint_sample_type, int):
metric_name = KpiSampleType.Name(endpoint_sample_type)
metric_id = endpoint_sample_type
elif isinstance(endpoint_sample_type, str):
metric_id = KpiSampleType.Value(endpoint_sample_type)
metric_name = endpoint_sample_type
else:
str_type = str(type(endpoint_sample_type))
raise Exception("Bad format: {:s}".format(str_type)) # pylint: disable=broad-exception-raised
except Exception as e: # pylint: disable=broad-exception-caught
MSG = "Unsupported {:s}({:s}) : {:s}"
sample_type_errors.append(
MSG.format(field_name, str(endpoint_sample_type), str(e))
)
metric_name = metric_name.lower().replace("kpisampletype_", "")
monitoring_resource_key = "{:s}/state/{:s}".format(
endpoint_resource_key, metric_name
)
sample_types[metric_id] = monitoring_resource_key
if len(sample_type_errors) > 0:
# pylint: disable=broad-exception-raised
raise Exception(
"Malformed Sample Types:\n{:s}".format("\n".join(sample_type_errors))
)
if len(sample_types) > 0:
endpoint_resource_value["sample_types"] = sample_types
if "site_location" in endpoint_data:
endpoint_resource_value["site_location"] = endpoint_data["site_location"]
if "ce-ip" in endpoint_data:
endpoint_resource_value["ce-ip"] = endpoint_data["ce-ip"]
if "address_ip" in endpoint_data:
endpoint_resource_value["address_ip"] = endpoint_data["address_ip"]
if "address_prefix" in endpoint_data:
endpoint_resource_value["address_prefix"] = endpoint_data["address_prefix"]
if "mtu" in endpoint_data:
endpoint_resource_value["mtu"] = endpoint_data["mtu"]
if "ipv4_lan_prefixes" in endpoint_data:
endpoint_resource_value["ipv4_lan_prefixes"] = endpoint_data[
"ipv4_lan_prefixes"
]
return endpoint_resource_key, endpoint_resource_value
except: # pylint: disable=bare-except
LOGGER.exception("Problem composing endpoint({:s})".format(str(endpoint_data)))
return None