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.agent.cache.Caches;
  import org.apache.bigtop.manager.common.shell.ShellResult;
  import org.apache.bigtop.manager.common.utils.JsonUtils;
  import org.apache.bigtop.manager.grpc.generated.ComponentCommandReply;
  import org.apache.bigtop.manager.grpc.generated.ComponentCommandRequest;
  import org.apache.bigtop.manager.grpc.generated.ComponentCommandServiceGrpc;
  import org.apache.bigtop.manager.grpc.payload.ComponentCommandPayload;
  import org.apache.bigtop.manager.stack.core.executor.StackExecutor;
  
  import io.grpc.stub.StreamObserver;
  import lombok.extern.slf4j.Slf4j;
  import net.devh.boot.grpc.server.service.GrpcService;
  
  @Slf4j
  @GrpcService
  public class ComponentCommandServiceGrpcImpl extends ComponentCommandServiceGrpc.ComponentCommandServiceImplBase {
  
      @Override
      public void exec(ComponentCommandRequest request, StreamObserver<ComponentCommandReply> responseObserver) {
          try {
              log.info("Running task {}", Caches.RUNNING_TASK);
              ComponentCommandPayload payload =
                      JsonUtils.readFromString(request.getPayload(), ComponentCommandPayload.class);
              ShellResult shellResult = StackExecutor.execute(payload);
              ComponentCommandReply reply = ComponentCommandReply.newBuilder()
                      .setCode(shellResult.getExitCode())
                      .build();
              responseObserver.onNext(reply);
              responseObserver.onCompleted();
          } catch (Exception e) {
              responseObserver.onError(e);
          }
      }
  }
  