| /* |
| * 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 |
| * |
| * 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 org.apache.dubbo.admin.controller; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.dubbo.admin.common.exception.ParamValidationException; |
| import org.apache.dubbo.admin.common.exception.ResourceNotFoundException; |
| import org.apache.dubbo.admin.common.exception.VersionValidationException; |
| import org.apache.dubbo.admin.common.util.Constants; |
| import org.apache.dubbo.admin.model.dto.BalancingDTO; |
| import org.apache.dubbo.admin.service.OverrideService; |
| import org.apache.dubbo.admin.service.ProviderService; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.http.HttpStatus; |
| import org.springframework.web.bind.annotation.PathVariable; |
| import org.springframework.web.bind.annotation.RequestBody; |
| import org.springframework.web.bind.annotation.RequestMapping; |
| import org.springframework.web.bind.annotation.RequestMethod; |
| import org.springframework.web.bind.annotation.RequestParam; |
| import org.springframework.web.bind.annotation.ResponseStatus; |
| import org.springframework.web.bind.annotation.RestController; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| |
| @RestController |
| @RequestMapping("/api/{env}/rules/balancing") |
| public class LoadBalanceController { |
| |
| private final OverrideService overrideService; |
| private final ProviderService providerService; |
| |
| @Autowired |
| public LoadBalanceController(OverrideService overrideService, ProviderService providerService) { |
| this.overrideService = overrideService; |
| this.providerService = providerService; |
| } |
| |
| @RequestMapping(method = RequestMethod.POST) |
| @ResponseStatus(HttpStatus.CREATED) |
| public boolean createLoadbalance(@RequestBody BalancingDTO balancingDTO, @PathVariable String env) throws ParamValidationException { |
| if (StringUtils.isBlank(balancingDTO.getService()) && StringUtils.isBlank(balancingDTO.getApplication())) { |
| throw new ParamValidationException("Either Service or application is required."); |
| } |
| String application = balancingDTO.getApplication(); |
| if (StringUtils.isNotEmpty(application) && this.providerService.findVersionInApplication(application).equals("2.6")) { |
| throw new VersionValidationException("dubbo 2.6 does not support application scope load balancing config"); |
| } |
| overrideService.saveBalance(balancingDTO); |
| return true; |
| } |
| |
| @RequestMapping(value = "/{id}", method = RequestMethod.PUT) |
| public boolean updateLoadbalance(@PathVariable String id, @RequestBody BalancingDTO balancingDTO, @PathVariable String env) throws ParamValidationException { |
| if (id == null) { |
| throw new ParamValidationException("Unknown ID!"); |
| } |
| id = id.replace(Constants.ANY_VALUE, Constants.PATH_SEPARATOR); |
| BalancingDTO balancing = overrideService.findBalance(id); |
| if (balancing == null) { |
| throw new ResourceNotFoundException("Unknown ID!"); |
| } |
| |
| overrideService.saveBalance(balancingDTO); |
| return true; |
| } |
| |
| @RequestMapping(method = RequestMethod.GET) |
| public List<BalancingDTO> searchLoadbalances(@RequestParam(required = false) String service, |
| @RequestParam(required = false) String application, |
| @PathVariable String env) { |
| |
| if (StringUtils.isBlank(service) && StringUtils.isBlank(application)) { |
| throw new ParamValidationException("Either service or application is required"); |
| } |
| BalancingDTO balancingDTO; |
| if (StringUtils.isNotBlank(application)) { |
| balancingDTO = overrideService.findBalance(application); |
| } else { |
| balancingDTO = overrideService.findBalance(service); |
| } |
| List<BalancingDTO> balancingDTOS = new ArrayList<>(); |
| if (balancingDTO != null) { |
| balancingDTOS.add(balancingDTO); |
| } |
| return balancingDTOS; |
| } |
| |
| @RequestMapping(value = "/{id}", method = RequestMethod.GET) |
| public BalancingDTO detailLoadBalance(@PathVariable String id, @PathVariable String env) throws ParamValidationException { |
| id = id.replace(Constants.ANY_VALUE, Constants.PATH_SEPARATOR); |
| BalancingDTO balancingDTO = overrideService.findBalance(id); |
| if (balancingDTO == null) { |
| throw new ResourceNotFoundException("Unknown ID!"); |
| } |
| return balancingDTO; |
| |
| // LoadBalance loadBalance = OverrideUtils.overrideToLoadBalance(override); |
| // BalancingDTO balancingDTO = new BalancingDTO(); |
| // balancingDTO.setService(loadBalance.getService()); |
| // balancingDTO.setMethodName(loadBalance.getMethod()); |
| // balancingDTO.setStrategy(loadBalance.getStrategy()); |
| } |
| |
| @RequestMapping(value = "/{id}", method = RequestMethod.DELETE) |
| public boolean deleteLoadBalance(@PathVariable String id, @PathVariable String env) { |
| if (id == null) { |
| throw new IllegalArgumentException("Argument of id is null!"); |
| } |
| id = id.replace(Constants.ANY_VALUE, Constants.PATH_SEPARATOR); |
| overrideService.deleteBalance(id); |
| return true; |
| } |
| |
| |
| } |