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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (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 copy, json
from typing import Dict, List, Optional, Tuple, Union
from common.DeviceTypes import DeviceTypeEnum
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def get_descriptors_add_contexts(contexts : List[Dict]) -> List[Dict]:
contexts_add = copy.deepcopy(contexts)
for context in contexts_add:
context['topology_ids'] = []
context['service_ids'] = []
return contexts_add
def get_descriptors_add_topologies(topologies : List[Dict]) -> List[Dict]:
topologies_add = copy.deepcopy(topologies)
for topology in topologies_add:
topology['device_ids'] = []
topology['link_ids'] = []
return topologies_add
def get_descriptors_add_services(services : List[Dict]) -> List[Dict]:
services_add = []
for service in services:
service_copy = copy.deepcopy(service)
service_copy['service_endpoint_ids'] = []
service_copy['service_constraints'] = []
service_copy['service_config'] = {'config_rules': []}
services_add.append(service_copy)
return services_add
def get_descriptors_add_slices(slices : List[Dict]) -> List[Dict]:
slices_add = []
for slice_ in slices:
slice_copy = copy.deepcopy(slice_)
slice_copy['slice_endpoint_ids'] = []
slice_copy['slice_constraints'] = []
slice_copy['slice_config'] = {'config_rules': []}
slices_add.append(slice_copy)
return slices_add
TypeResourceValue = Union[str, int, bool, float, dict, list]
def format_custom_config_rules(config_rules : List[Dict]) -> List[Dict]:
for config_rule in config_rules:
if 'custom' not in config_rule: continue
custom_resource_value : TypeResourceValue = config_rule['custom']['resource_value']
if isinstance(custom_resource_value, (dict, list)):
custom_resource_value = json.dumps(custom_resource_value, sort_keys=True, indent=0)
config_rule['custom']['resource_value'] = custom_resource_value
elif not isinstance(custom_resource_value, str):
config_rule['custom']['resource_value'] = str(custom_resource_value)
return config_rules
def format_device_custom_config_rules(device : Dict) -> Dict:
config_rules = device.get('device_config', {}).get('config_rules', [])
config_rules = format_custom_config_rules(config_rules)
device['device_config']['config_rules'] = config_rules
return device
def format_service_custom_config_rules(service : Dict) -> Dict:
config_rules = service.get('service_config', {}).get('config_rules', [])
config_rules = format_custom_config_rules(config_rules)
service['service_config']['config_rules'] = config_rules
return service
def format_slice_custom_config_rules(slice_ : Dict) -> Dict:
config_rules = slice_.get('slice_config', {}).get('config_rules', [])
return slice_
def split_devices_by_rules(devices : List[Dict]) -> Tuple[List[Dict], List[Dict]]:
devices_add = []
devices_config = []
for device in devices:
connect_rules = []
config_rules = []
for config_rule in device.get('device_config', {}).get('config_rules', []):
custom_resource_key : Optional[str] = config_rule.get('custom', {}).get('resource_key')
if custom_resource_key is not None and custom_resource_key.startswith('_connect/'):
connect_rules.append(config_rule)
else:
config_rules.append(config_rule)
if len(connect_rules) > 0:
device_add = copy.deepcopy(device)
device_add['device_endpoints'] = []
device_add['device_config'] = {'config_rules': connect_rules}
devices_add.append(device_add)
if len(config_rules) > 0:
device['device_config'] = {'config_rules': config_rules}
devices_config.append(device)
return devices_add, devices_config
CONTROLLER_DEVICE_TYPES = {
DeviceTypeEnum.EMULATED_IP_SDN_CONTROLLER.value,
DeviceTypeEnum.EMULATED_MICROWAVE_RADIO_SYSTEM.value,
DeviceTypeEnum.EMULATED_OPEN_LINE_SYSTEM.value,
DeviceTypeEnum.IP_SDN_CONTROLLER.value,
DeviceTypeEnum.MICROWAVE_RADIO_SYSTEM.value,
DeviceTypeEnum.OPEN_LINE_SYSTEM.value,
DeviceTypeEnum.TERAFLOWSDN_CONTROLLER.value,
}
def split_controllers_and_network_devices(devices : List[Dict]) -> Tuple[List[Dict], List[Dict]]:
controllers : List[Dict] = list()
network_devices : List[Dict] = list()
for device in devices:
device_type = device.get('device_type')
if device_type in CONTROLLER_DEVICE_TYPES:
controllers.append(device)
else:
network_devices.append(device)
return controllers, network_devices