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.core.controller;
  
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.common.model.RestResult;
  import com.alibaba.nacos.common.model.RestResultUtils;
  import com.alibaba.nacos.common.utils.JacksonUtils;
  import com.alibaba.nacos.common.utils.LoggerUtils;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.core.cluster.Member;
  import com.alibaba.nacos.api.common.NodeState;
  import com.alibaba.nacos.core.cluster.ServerMemberManager;
  import com.alibaba.nacos.core.controller.compatibility.Compatibility;
  import com.alibaba.nacos.core.utils.Commons;
  import com.alibaba.nacos.core.utils.Loggers;
  import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
  import com.alibaba.nacos.plugin.auth.constant.ApiType;
  import com.alibaba.nacos.plugin.auth.constant.SignType;
  import org.springframework.web.bind.annotation.GetMapping;
  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.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.util.ArrayList;
  import java.util.Collection;
  
  /**
   * Cluster communication interface.
   *
   * @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
   */
  @RestController
  @RequestMapping(Commons.NACOS_CORE_CONTEXT + "/cluster")
  @Deprecated
  public class NacosClusterController {
      
      private final ServerMemberManager memberManager;
      
      public NacosClusterController(ServerMemberManager memberManager) {
          this.memberManager = memberManager;
      }
      
      @GetMapping(value = "/self")
      @Secured(resource = Commons.NACOS_CORE_CONTEXT + "/cluster", action = ActionTypes.READ, signType = SignType.CONSOLE)
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "GET {contextPath:nacos}/v3/admin/core/cluster/node/self")
      public RestResult<Member> self() {
          return RestResultUtils.success(memberManager.getSelf());
      }
      
      /**
       * The console displays the list of cluster members.
       *
       * @param ipKeyWord search keyWord
       * @return all members
       */
      @GetMapping(value = "/nodes")
      @Secured(resource = Commons.NACOS_CORE_CONTEXT + "/cluster", action = ActionTypes.READ, signType = SignType.CONSOLE)
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "GET ${contextPath:nacos}/v3/admin/core/cluster/node/list")
      public RestResult<Collection<Member>> listNodes(
              @RequestParam(value = "keyword", required = false) String ipKeyWord) {
          Collection<Member> members = memberManager.allMembers();
          Collection<Member> result = new ArrayList<>();
          
          members.stream().sorted().forEach(member -> {
              if (StringUtils.isBlank(ipKeyWord)) {
                  result.add(member);
                  return;
              }
              final String address = member.getAddress();
              if (StringUtils.equals(address, ipKeyWord) || StringUtils.startsWith(address, ipKeyWord)) {
                  result.add(member);
              }
          });
          
          return RestResultUtils.success(result);
      }
      
      // The client can get all the nacos node information in the current
      // cluster according to this interface
      
      @GetMapping(value = "/simple/nodes")
      @Secured(resource = Commons.NACOS_CORE_CONTEXT + "/cluster", action = ActionTypes.READ, signType = SignType.CONSOLE)
      @Compatibility(apiType = ApiType.ADMIN_API)
      public RestResult<Collection<String>> listSimpleNodes() {
          return RestResultUtils.success(memberManager.getMemberAddressInfos());
      }
      
      @GetMapping("/health")
      @Secured(resource = Commons.NACOS_CORE_CONTEXT + "/cluster", action = ActionTypes.READ, signType = SignType.CONSOLE)
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "GET {contextPath:nacos}/v3/admin/core/cluster/node/self/health")
      public RestResult<String> getHealth() {
          return RestResultUtils.success(memberManager.getSelf().getState().name());
      }
      
      /**
       * Other nodes return their own metadata information.
       *
       * @param node {@link Member}
       * @return {@link RestResult}
       */
      @Deprecated
      @PostMapping(value = {"/report"})
      @Secured(resource = Commons.NACOS_CORE_CONTEXT
              + "/cluster", action = ActionTypes.WRITE, signType = SignType.CONSOLE, apiType = ApiType.INNER_API)
      @Compatibility(apiType = ApiType.INNER_API)
      public RestResult<String> report(@RequestBody Member node) {
          if (!node.check()) {
              return RestResultUtils.failedWithMsg(400, "Node information is illegal");
          }
          LoggerUtils.printIfDebugEnabled(Loggers.CLUSTER, "node state report, receive info : {}", node);
          node.setState(NodeState.UP);
          node.setFailAccessCnt(0);
          memberManager.update(node);
          return RestResultUtils.success(JacksonUtils.toJson(memberManager.getSelf()));
      }
      
      /**
       * Addressing mode switch.
       *
       * @param type member-lookup name
       * @return {@link RestResult}
       */
      @PostMapping(value = "/switch/lookup")
      @Secured(resource = Commons.NACOS_CORE_CONTEXT
              + "/cluster", action = ActionTypes.WRITE, signType = SignType.CONSOLE)
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "PUT {contextPath:nacos}/v3/admin/core/cluster/lookup")
      public RestResult<String> switchLookup(@RequestParam(name = "type") String type) {
          try {
              memberManager.switchLookup(type);
              return RestResultUtils.success();
          } catch (Throwable ex) {
              return RestResultUtils.failed(ex.getMessage());
          }
      }
      
      /**
       * member leave.
       *
       * @param params member ip list, example [ip1:port1,ip2:port2,...]
       * @return {@link RestResult}
       * @throws Exception {@link Exception}
       */
      @PostMapping("/server/leave")
      @Secured(resource = Commons.NACOS_CORE_CONTEXT
              + "/cluster", action = ActionTypes.WRITE, signType = SignType.CONSOLE)
      @Compatibility(apiType = ApiType.CONSOLE_API)
      public RestResult<String> leave(@RequestBody Collection<String> params,
              @RequestParam(defaultValue = "true") Boolean notifyOtherMembers) throws Exception {
          return RestResultUtils.failed(405, null, "/v1/core/cluster/server/leave API not allow to use temporarily.");
      }
      
  }
  