Init commit for standalone enodebd
Change-Id: I88eeef5135dd7ba8551ddd9fb6a0695f5325337b
diff --git a/configuration/mconfigs.py b/configuration/mconfigs.py
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--- /dev/null
+++ b/configuration/mconfigs.py
@@ -0,0 +1,65 @@
+"""
+Copyright 2020 The Magma Authors.
+
+This source code is licensed under the BSD-style license found in the
+LICENSE file in the root directory of this source tree.
+
+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 Any as TAny
+from typing import Dict
+
+from google.protobuf.internal.well_known_types import Any
+from configuration import service_configs
+from configuration.exceptions import LoadConfigError
+
+
+def filter_configs_by_key(configs_by_key: Dict[str, TAny]) -> Dict[str, TAny]:
+ """
+ Given a JSON-deserialized map of mconfig protobuf Any's keyed by service
+ name, filter out any entires without a corresponding service or which have
+ values that aren't registered in the protobuf symbol database yet.
+
+ Args:
+ configs_by_key:
+ JSON-deserialized service mconfigs keyed by service name
+
+ Returns:
+ The input map without any services which currently don't exist.
+ """
+ magmad_cfg = service_configs.load_service_config('magmad')
+ services = magmad_cfg.get('magma_services', [])
+ services.append('magmad')
+ services += magmad_cfg.get('registered_dynamic_services', [])
+ services = set(services)
+
+ filtered_configs_by_key = {}
+ for srv, cfg in configs_by_key.items():
+ if srv not in services:
+ continue
+ filtered_configs_by_key[srv] = cfg
+ return filtered_configs_by_key
+
+
+def unpack_mconfig_any(mconfig_any: Any, mconfig_struct: TAny) -> TAny:
+ """
+ Unpack a protobuf Any type into a given an empty protobuf message struct
+ for a service.
+
+ Args:
+ mconfig_any: protobuf Any type to unpack
+ mconfig_struct: protobuf message struct
+
+ Returns: Concrete protobuf object that the provided Any wraps
+ """
+ unpacked = mconfig_any.Unpack(mconfig_struct)
+ if not unpacked:
+ raise LoadConfigError(
+ 'Cannot unpack Any type into message: %s' % mconfig_struct,
+ )
+ return mconfig_struct