content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   *
   *    https://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.
   */
  package org.apache.bigtop.manager.agent.grpc.service;
  
  import org.apache.bigtop.manager.common.enums.Command;
  import org.apache.bigtop.manager.common.shell.ShellResult;
  import org.apache.bigtop.manager.grpc.generated.ComponentStatusReply;
  import org.apache.bigtop.manager.grpc.generated.ComponentStatusRequest;
  import org.apache.bigtop.manager.grpc.generated.ComponentStatusServiceGrpc;
  import org.apache.bigtop.manager.grpc.payload.ComponentCommandPayload;
  import org.apache.bigtop.manager.stack.core.executor.StackExecutor;
  
  import io.grpc.Status;
  import io.grpc.stub.StreamObserver;
  import lombok.extern.slf4j.Slf4j;
  import net.devh.boot.grpc.server.service.GrpcService;
  
  @Slf4j
  @GrpcService
  public class ComponentStatusServiceGrpcImpl extends ComponentStatusServiceGrpc.ComponentStatusServiceImplBase {
  
      @Override
      public void getComponentStatus(
              ComponentStatusRequest request, StreamObserver<ComponentStatusReply> responseObserver) {
  
          try {
              ComponentCommandPayload payload = new ComponentCommandPayload();
              payload.setCommand(Command.STATUS.getCode());
              payload.setStackName(request.getStackName());
              payload.setStackVersion(request.getStackVersion());
              payload.setServiceName(request.getServiceName());
              payload.setServiceUser(request.getServiceUser());
              payload.setComponentName(request.getComponentName());
  
              ShellResult shellResult = StackExecutor.execute(payload);
              ComponentStatusReply reply = ComponentStatusReply.newBuilder()
                      .setStatus(shellResult.getExitCode())
                      .build();
              responseObserver.onNext(reply);
              responseObserver.onCompleted();
          } catch (Exception e) {
              log.error("Error getting component status", e);
              Status status = Status.UNKNOWN.withDescription(e.getMessage());
              responseObserver.onError(status.asRuntimeException());
          }
      }
  }
  