Coverage for /builds/BuildGrid/buildgrid/buildgrid/server/client/capabilities.py: 100.00%

1# Copyright (C) 2018 Bloomberg LP 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# <http://www.apache.org/licenses/LICENSE-2.0> 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14 

15 

16import grpc 

17 

18from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2, remote_execution_pb2_grpc 

19from buildgrid.server.logging import buildgrid_logger 

20 

21LOGGER = buildgrid_logger(__name__) 

22 

23 

24class CapabilitiesInterface: 

25 """Interface for calls the the Capabilities Service.""" 

26 

27 def __init__(self, channel: grpc.Channel) -> None: 

28 """Initialises an instance of the capabilities service. 

29 

30 Args: 

31 channel (grpc.Channel): A gRPC channel to the CAS endpoint. 

32 """ 

33 self.__stub = remote_execution_pb2_grpc.CapabilitiesStub(channel) 

34 

35 def get_capabilities(self, instance_name: str) -> remote_execution_pb2.ServerCapabilities: 

36 """Returns the capabilities or the server to the user. 

37 

38 Args: 

39 instance_name (str): The name of the instance.""" 

40 

41 request = remote_execution_pb2.GetCapabilitiesRequest(instance_name=instance_name) 

42 try: 

43 return self.__stub.GetCapabilities(request) 

44 

45 except grpc.RpcError as e: 

46 LOGGER.debug(e) 

47 raise ConnectionError(e.details())