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# 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.
from typing import List, Set
from common.proto.context_pb2 import ContextId, Device, Empty, Topology, TopologyId
from common.tools.object_factory.Topology import json_topology_id
from context.client.ContextClient import ContextClient
def get_existing_device_uuids(context_client : ContextClient) -> Set[str]:
existing_device_ids = context_client.ListDeviceIds(Empty())
existing_device_uuids = {device_id.device_uuid.uuid for device_id in existing_device_ids.device_ids}
return existing_device_uuids
def add_device_to_topology(
context_client : ContextClient, context_id : ContextId, topology_uuid : str, device_uuid : str
) -> bool:
topology_id = TopologyId(**json_topology_id(topology_uuid, context_id=context_id))
topology_ro = context_client.GetTopology(topology_id)
device_uuids = {device_id.device_uuid.uuid for device_id in topology_ro.device_ids}
if device_uuid in device_uuids: return False # already existed
topology_rw = Topology()
topology_rw.CopyFrom(topology_ro)
topology_rw.device_ids.add().device_uuid.uuid = device_uuid # pylint: disable=no-member
context_client.SetTopology(topology_rw)
return True
def get_uuids_of_devices_in_topology(
context_client : ContextClient, context_id : ContextId, topology_uuid : str
) -> List[str]:
topology_id = TopologyId(**json_topology_id(topology_uuid, context_id=context_id))
topology = context_client.GetTopology(topology_id)
device_uuids = [device_id.device_uuid.uuid for device_id in topology.device_ids]
return device_uuids
def get_devices_in_topology(
context_client : ContextClient, context_id : ContextId, topology_uuid : str
) -> List[Device]:
device_uuids = get_uuids_of_devices_in_topology(context_client, context_id, topology_uuid)
all_devices = context_client.ListDevices(Empty())
devices_in_topology = list()
for device in all_devices.devices:
device_uuid = device.device_id.device_uuid.uuid
if device_uuid not in device_uuids: continue
devices_in_topology.append(device)
return devices_in_topology