content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.
   */
  package com.alibaba.csp.sentinel.dashboard.controller.cluster;
  
  import java.util.Collections;
  import java.util.Set;
  
  import com.alibaba.csp.sentinel.util.StringUtil;
  
  import com.alibaba.csp.sentinel.dashboard.domain.cluster.ClusterAppFullAssignRequest;
  import com.alibaba.csp.sentinel.dashboard.domain.cluster.ClusterAppAssignResultVO;
  import com.alibaba.csp.sentinel.dashboard.domain.cluster.ClusterAppSingleServerAssignRequest;
  import com.alibaba.csp.sentinel.dashboard.service.ClusterAssignService;
  import com.alibaba.csp.sentinel.dashboard.domain.Result;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.PostMapping;
  import org.springframework.web.bind.annotation.RequestBody;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  
  /**
   * @author Eric Zhao
   * @since 1.4.1
   */
  @RestController
  @RequestMapping("/cluster/assign")
  public class ClusterAssignController {
  
      private final Logger logger = LoggerFactory.getLogger(ClusterAssignController.class);
  
      @Autowired
      private ClusterAssignService clusterAssignService;
  
      @PostMapping("/all_server/{app}")
      public Result<ClusterAppAssignResultVO> apiAssignAllClusterServersOfApp(@PathVariable String app,
                                                                              @RequestBody
                                                                                  ClusterAppFullAssignRequest assignRequest) {
          if (StringUtil.isEmpty(app)) {
              return Result.ofFail(-1, "app cannot be null or empty");
          }
          if (assignRequest == null || assignRequest.getClusterMap() == null
              || assignRequest.getRemainingList() == null) {
              return Result.ofFail(-1, "bad request body");
          }
          try {
              return Result.ofSuccess(clusterAssignService.applyAssignToApp(app, assignRequest.getClusterMap(),
                  assignRequest.getRemainingList()));
          } catch (Throwable throwable) {
              logger.error("Error when assigning full cluster servers for app: " + app, throwable);
              return Result.ofFail(-1, throwable.getMessage());
          }
      }
  
      @PostMapping("/single_server/{app}")
      public Result<ClusterAppAssignResultVO> apiAssignSingleClusterServersOfApp(@PathVariable String app,
                                                                                 @RequestBody ClusterAppSingleServerAssignRequest assignRequest) {
          if (StringUtil.isEmpty(app)) {
              return Result.ofFail(-1, "app cannot be null or empty");
          }
          if (assignRequest == null || assignRequest.getClusterMap() == null) {
              return Result.ofFail(-1, "bad request body");
          }
          try {
              return Result.ofSuccess(clusterAssignService.applyAssignToApp(app, Collections.singletonList(assignRequest.getClusterMap()),
                  assignRequest.getRemainingList()));
          } catch (Throwable throwable) {
              logger.error("Error when assigning single cluster servers for app: " + app, throwable);
              return Result.ofFail(-1, throwable.getMessage());
          }
      }
  
      @PostMapping("/unbind_server/{app}")
      public Result<ClusterAppAssignResultVO> apiUnbindClusterServersOfApp(@PathVariable String app,
                                                                           @RequestBody Set<String> machineIds) {
          if (StringUtil.isEmpty(app)) {
              return Result.ofFail(-1, "app cannot be null or empty");
          }
          if (machineIds == null || machineIds.isEmpty()) {
              return Result.ofFail(-1, "bad request body");
          }
          try {
              return Result.ofSuccess(clusterAssignService.unbindClusterServers(app, machineIds));
          } catch (Throwable throwable) {
              logger.error("Error when unbinding cluster server {} for app <{}>", machineIds, app, throwable);
              return Result.ofFail(-1, throwable.getMessage());
          }
      }
  }
  