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.nacos.naming.controllers;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.api.naming.CommonParams;
  import com.alibaba.nacos.api.naming.pojo.AbstractHealthChecker;
  import com.alibaba.nacos.core.utils.WebUtils;
  import com.alibaba.nacos.naming.core.Cluster;
  import com.alibaba.nacos.naming.core.Service;
  import com.alibaba.nacos.naming.core.ServiceManager;
  import com.alibaba.nacos.naming.exception.NacosException;
  import com.alibaba.nacos.naming.healthcheck.HealthCheckType;
  import com.alibaba.nacos.naming.misc.Loggers;
  import com.alibaba.nacos.naming.misc.UtilsAndCommons;
  
  import org.apache.commons.lang3.BooleanUtils;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.commons.lang3.math.NumberUtils;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.RestController;
  
  import javax.servlet.http.HttpServletRequest;
  
  /**
   * @author nkorange
   */
  @RestController
  @RequestMapping(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/cluster")
  public class ClusterController {
  
      @Autowired
      protected ServiceManager serviceManager;
  
      @RequestMapping(value = "", method = RequestMethod.PUT)
      public String update(HttpServletRequest request) throws Exception {
  
          String namespaceId = WebUtils.optional(request, CommonParams.NAMESPACE_ID,
              Constants.DEFAULT_NAMESPACE_ID);
          String clusterName = WebUtils.required(request, CommonParams.CLUSTER_NAME);
          String serviceName = WebUtils.required(request, CommonParams.SERVICE_NAME);
          String healthChecker = WebUtils.required(request, "healthChecker");
          String metadata = WebUtils.optional(request, "metadata", StringUtils.EMPTY);
          String checkPort = WebUtils.required(request, "checkPort");
          String useInstancePort4Check = WebUtils.required(request, "useInstancePort4Check");
  
          Service service = serviceManager.getService(namespaceId, serviceName);
          if (service == null) {
              throw new NacosException(NacosException.INVALID_PARAM, "service not found:" + serviceName);
          }
  
          Cluster cluster = service.getClusterMap().get(clusterName);
          if (cluster == null) {
              Loggers.SRV_LOG.warn("[UPDATE-CLUSTER] cluster not exist, will create it: {}, service: {}", clusterName, serviceName);
              cluster = new Cluster(clusterName, service);
          }
  
          cluster.setDefCkport(NumberUtils.toInt(checkPort));
          cluster.setUseIPPort4Check(BooleanUtils.toBoolean(useInstancePort4Check));
  
          JSONObject healthCheckObj = JSON.parseObject(healthChecker);
          AbstractHealthChecker abstractHealthChecker;
          String type = healthCheckObj.getString("type");
          Class<AbstractHealthChecker> healthCheckClass = HealthCheckType.ofHealthCheckerClass(type);
          if(healthCheckClass == null){
              throw new NacosException(NacosException.INVALID_PARAM, "unknown health check type:" + healthChecker);
          }
          abstractHealthChecker = JSON.parseObject(healthChecker, healthCheckClass);
  
          cluster.setHealthChecker(abstractHealthChecker);
          cluster.setMetadata(UtilsAndCommons.parseMetadata(metadata));
          cluster.init();
          service.getClusterMap().put(clusterName, cluster);
          service.setLastModifiedMillis(System.currentTimeMillis());
          service.recalculateChecksum();
          service.validate();
  
          serviceManager.addOrReplaceService(service);
  
          return "ok";
      }
  
  }
  