sentinel-dashboard持久化改造（控制台）——zo

dashboard（控制台端）

改造结构目录

• controller部分

  
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• rule 部分

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• 配置部分

  
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代码

controller改造

• ZookeeperConfig

package com.alibaba.csp.sentinel.dashboard.config;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.ApiDefinitionEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.GatewayFlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.*;
import com.alibaba.csp.sentinel.dashboard.rule.zookeeper.ZookeeperConfigUtil;
import com.alibaba.csp.sentinel.datasource.Converter;
import com.alibaba.fastjson.JSON;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.List;

@Configuration
public class ZookeeperConfig {
    @Value("${zookeeper.address}")
    private String zkAddress;

    @Bean
    public Converter<List<FlowRuleEntity>, String> flowRuleEntityEncoder() {
        return JSON::toJSONString;
    }

    @Bean
    public Converter<String, List<FlowRuleEntity>> flowRuleEntityDecoder() {
        return s -> JSON.parseArray(s, FlowRuleEntity.class);
    }
    //
    @Bean
    public Converter<List<DegradeRuleEntity>, String> degradeRuleEntityEncoder() {
        return JSON::toJSONString;
    }
    @Bean
    public Converter<String, List<DegradeRuleEntity>> degradeRuleEntityDecoder() {
        return s -> JSON.parseArray(s, DegradeRuleEntity.class);
    }

    @Bean
    public Converter<List<SystemRuleEntity>, String> systemRuleEntityEncoder() {
        return JSON::toJSONString;
    }
    @Bean
    public Converter<String, List<SystemRuleEntity>> systemRuleEntityDecoder() {
        return s -> JSON.parseArray(s, SystemRuleEntity.class);
    }

    @Bean
    public Converter<List<AuthorityRuleEntity>, String> authorityRuleEntityEncoder() {
        return JSON::toJSONString;
    }
    @Bean
    public Converter<String, List<AuthorityRuleEntity>> authorityRuleEntityDecoder() {
        return s -> JSON.parseArray(s, AuthorityRuleEntity.class);
    }

    @Bean
    public Converter<List<ParamFlowRuleEntity>, String> paramFlowRuleEntityEncoder() {
        return JSON::toJSONString;
    }
    @Bean
    public Converter<String, List<ParamFlowRuleEntity>> paramFlowRuleEntityDecoder() {
        return s -> JSON.parseArray(s, ParamFlowRuleEntity.class);
    }

    @Bean
    public Converter<List<GatewayFlowRuleEntity>, String> gatewayFlowRuleEntityEncoder() {
        return JSON::toJSONString;
    }
    @Bean
    public Converter<String, List<GatewayFlowRuleEntity>> gatewayFlowRuleEntityDecoder() {
        return s -> JSON.parseArray(s, GatewayFlowRuleEntity.class);
    }

    @Bean
    public Converter<List<ApiDefinitionEntity>, String> apiDefinitionRuleEntityEncoder() {
        return JSON::toJSONString;
    }
    @Bean
    public Converter<String, List<ApiDefinitionEntity>> apiDefinitionRuleEntityDecoder() {
        return s -> JSON.parseArray(s, ApiDefinitionEntity.class);
    }


    @Bean
    public CuratorFramework zkClient() {
        CuratorFramework zkClient =
                CuratorFrameworkFactory.newClient(zkAddress,
                        new ExponentialBackoffRetry(ZookeeperConfigUtil.SLEEP_TIME, ZookeeperConfigUtil.RETRY_TIMES));
        zkClient.start();

        return zkClient;
    }
}

• GatewayApiRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper.gateway;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.ApiDefinitionEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.ApiPredicateItemEntity;
import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.domain.vo.gateway.api.AddApiReqVo;
import com.alibaba.csp.sentinel.dashboard.domain.vo.gateway.api.ApiPredicateItemVo;
import com.alibaba.csp.sentinel.dashboard.domain.vo.gateway.api.UpdateApiReqVo;
import com.alibaba.csp.sentinel.dashboard.repository.gateway.InMemApiDefinitionStore;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.*;

import static com.alibaba.csp.sentinel.adapter.gateway.common.SentinelGatewayConstants.*;

/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 13:52
 * @description:
 */
@RestController
@RequestMapping(value = "/zk/gateway/api")
public class GatewayApiRuleZkController {
    private final Logger logger = LoggerFactory.getLogger(GatewayApiRuleZkController.class);

    @Autowired
    private InMemApiDefinitionStore repository;


    @Autowired
    @Qualifier("apiRuleZookeeperProvider")
    private DynamicRuleProvider<List<ApiDefinitionEntity>> ruleProvider;
    @Autowired
    @Qualifier("apiRuleZookeeperPublisher")
    private DynamicRulePublisher<List<ApiDefinitionEntity>> rulePublisher;

    @GetMapping("/list.json")
    @AuthAction(AuthService.PrivilegeType.READ_RULE)
    public Result<List<ApiDefinitionEntity>> queryApis(String app, String ip, Integer port) {

        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isEmpty(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }

        try {
            //List<ApiDefinitionEntity> apis = sentinelApiClient.fetchApis(app, ip, port).get();
            List<ApiDefinitionEntity> apis = ruleProvider.getRules(app);
            repository.saveAll(apis);
            return Result.ofSuccess(apis);
        } catch (Throwable throwable) {
            logger.error("queryApis error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
    }

    @PostMapping("/new.json")
    @AuthAction(AuthService.PrivilegeType.WRITE_RULE)
    public Result<ApiDefinitionEntity> addApi(HttpServletRequest request, @RequestBody AddApiReqVo reqVo) {

        String app = reqVo.getApp();
        if (StringUtil.isBlank(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }

        ApiDefinitionEntity entity = new ApiDefinitionEntity();
        entity.setApp(app.trim());

        String ip = reqVo.getIp();
        if (StringUtil.isBlank(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        entity.setIp(ip.trim());

        Integer port = reqVo.getPort();
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }
        entity.setPort(port);

        // API名称
        String apiName = reqVo.getApiName();
        if (StringUtil.isBlank(apiName)) {
            return Result.ofFail(-1, "apiName can't be null or empty");
        }
        entity.setApiName(apiName.trim());

        // 匹配规则列表
        List<ApiPredicateItemVo> predicateItems = reqVo.getPredicateItems();
        if (CollectionUtils.isEmpty(predicateItems)) {
            return Result.ofFail(-1, "predicateItems can't empty");
        }

        List<ApiPredicateItemEntity> predicateItemEntities = new ArrayList<>();
        for (ApiPredicateItemVo predicateItem : predicateItems) {
            ApiPredicateItemEntity predicateItemEntity = new ApiPredicateItemEntity();

            // 匹配模式
            Integer matchStrategy = predicateItem.getMatchStrategy();
            if (!Arrays.asList(URL_MATCH_STRATEGY_EXACT, URL_MATCH_STRATEGY_PREFIX, URL_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
                return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
            }
            predicateItemEntity.setMatchStrategy(matchStrategy);

            // 匹配串
            String pattern = predicateItem.getPattern();
            if (StringUtil.isBlank(pattern)) {
                return Result.ofFail(-1, "pattern can't be null or empty");
            }
            predicateItemEntity.setPattern(pattern);

            predicateItemEntities.add(predicateItemEntity);
        }
        entity.setPredicateItems(new LinkedHashSet<>(predicateItemEntities));

        // 检查API名称不能重复
        List<ApiDefinitionEntity> allApis = repository.findAllByMachine(MachineInfo.of(app.trim(), ip.trim(), port));
        if (allApis.stream().map(o -> o.getApiName()).anyMatch(o -> o.equals(apiName.trim()))) {
            return Result.ofFail(-1, "apiName exists: " + apiName);
        }

        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);

        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("add gateway api error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }

        if (!publishApis(app, ip, port)) {
            logger.warn("publish gateway apis fail after add");
        }

        return Result.ofSuccess(entity);
    }

    @PostMapping("/save.json")
    @AuthAction(AuthService.PrivilegeType.WRITE_RULE)
    public Result<ApiDefinitionEntity> updateApi(@RequestBody UpdateApiReqVo reqVo) {
        String app = reqVo.getApp();
        if (StringUtil.isBlank(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }

        Long id = reqVo.getId();
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }

        ApiDefinitionEntity entity = repository.findById(id);
        if (entity == null) {
            return Result.ofFail(-1, "api does not exist, id=" + id);
        }

        // 匹配规则列表
        List<ApiPredicateItemVo> predicateItems = reqVo.getPredicateItems();
        if (CollectionUtils.isEmpty(predicateItems)) {
            return Result.ofFail(-1, "predicateItems can't empty");
        }

        List<ApiPredicateItemEntity> predicateItemEntities = new ArrayList<>();
        for (ApiPredicateItemVo predicateItem : predicateItems) {
            ApiPredicateItemEntity predicateItemEntity = new ApiPredicateItemEntity();

            // 匹配模式
            int matchStrategy = predicateItem.getMatchStrategy();
            if (!Arrays.asList(URL_MATCH_STRATEGY_EXACT, URL_MATCH_STRATEGY_PREFIX, URL_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
                return Result.ofFail(-1, "Invalid matchStrategy: " + matchStrategy);
            }
            predicateItemEntity.setMatchStrategy(matchStrategy);

            // 匹配串
            String pattern = predicateItem.getPattern();
            if (StringUtil.isBlank(pattern)) {
                return Result.ofFail(-1, "pattern can't be null or empty");
            }
            predicateItemEntity.setPattern(pattern);

            predicateItemEntities.add(predicateItemEntity);
        }
        entity.setPredicateItems(new LinkedHashSet<>(predicateItemEntities));

        Date date = new Date();
        entity.setGmtModified(date);

        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("update gateway api error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }

        if (!publishApis(app, entity.getIp(), entity.getPort())) {
            logger.warn("publish gateway apis fail after update");
        }

        return Result.ofSuccess(entity);
    }

    @PostMapping("/delete.json")
    @AuthAction(AuthService.PrivilegeType.DELETE_RULE)

    public Result<Long> deleteApi(Long id) {
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }

        ApiDefinitionEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }

        try {
            repository.delete(id);
        } catch (Throwable throwable) {
            logger.error("delete gateway api error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }

        if (!publishApis(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort())) {
            logger.warn("publish gateway apis fail after delete");
        }

        return Result.ofSuccess(id);
    }

    private boolean publishApis(String app, String ip, Integer port) {
        List<ApiDefinitionEntity> apis = repository.findAllByMachine(MachineInfo.of(app, ip, port));
        //return sentinelApiClient.modifyApis(app, ip, port, apis);
        try {
            rulePublisher.publish(app, apis);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }


}

• GatewayFlowRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper.gateway;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.GatewayFlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.GatewayParamFlowItemEntity;
import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.domain.vo.gateway.rule.AddFlowRuleReqVo;
import com.alibaba.csp.sentinel.dashboard.domain.vo.gateway.rule.GatewayParamFlowItemVo;
import com.alibaba.csp.sentinel.dashboard.domain.vo.gateway.rule.UpdateFlowRuleReqVo;
import com.alibaba.csp.sentinel.dashboard.repository.gateway.InMemGatewayFlowRuleStore;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.*;

import java.util.Arrays;
import java.util.Date;
import java.util.List;

import static com.alibaba.csp.sentinel.adapter.gateway.common.SentinelGatewayConstants.*;
import static com.alibaba.csp.sentinel.adapter.gateway.common.SentinelGatewayConstants.PARAM_MATCH_STRATEGY_CONTAINS;
import static com.alibaba.csp.sentinel.adapter.gateway.common.SentinelGatewayConstants.PARAM_MATCH_STRATEGY_REGEX;
import static com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.GatewayFlowRuleEntity.*;
import static com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.GatewayFlowRuleEntity.INTERVAL_UNIT_DAY;
import static com.alibaba.csp.sentinel.slots.block.RuleConstant.*;
import static com.alibaba.csp.sentinel.slots.block.RuleConstant.CONTROL_BEHAVIOR_DEFAULT;
import static com.alibaba.csp.sentinel.slots.block.RuleConstant.CONTROL_BEHAVIOR_RATE_LIMITER;

/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 14:09
 * @description:
 */
@RestController
@RequestMapping(value = "/zk/gateway/flow")
public class GatewayFlowRuleZkController {
    private final Logger logger = LoggerFactory.getLogger(GatewayFlowRuleZkController.class);

    @Autowired
    private InMemGatewayFlowRuleStore repository;

    @Autowired
    @Qualifier("gatewayFlowRuleZookeeperProvider")
    private DynamicRuleProvider<List<GatewayFlowRuleEntity>> ruleProvider;
    @Autowired
    @Qualifier("gatewayFlowRuleZookeeperPublisher")
    private DynamicRulePublisher<List<GatewayFlowRuleEntity>> rulePublisher;

    @GetMapping("/list.json")
    @AuthAction(AuthService.PrivilegeType.READ_RULE)
    public Result<List<GatewayFlowRuleEntity>> queryFlowRules(String app, String ip, Integer port) {

        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isEmpty(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }

        try {
            // List<GatewayFlowRuleEntity> rules = sentinelApiClient.fetchGatewayFlowRules(app, ip, port).get();
            List<GatewayFlowRuleEntity> rules = ruleProvider.getRules(app);
            repository.saveAll(rules);
            return Result.ofSuccess(rules);
        } catch (Throwable throwable) {
            logger.error("query gateway flow rules error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
    }

    @PostMapping("/new.json")
    @AuthAction(AuthService.PrivilegeType.WRITE_RULE)
    public Result<GatewayFlowRuleEntity> addFlowRule(@RequestBody AddFlowRuleReqVo reqVo) {

        String app = reqVo.getApp();
        if (StringUtil.isBlank(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }

        GatewayFlowRuleEntity entity = new GatewayFlowRuleEntity();
        entity.setApp(app.trim());

        String ip = reqVo.getIp();
        if (StringUtil.isBlank(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        entity.setIp(ip.trim());

        Integer port = reqVo.getPort();
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }
        entity.setPort(port);

        // API类型, Route ID或API分组
        Integer resourceMode = reqVo.getResourceMode();
        if (resourceMode == null) {
            return Result.ofFail(-1, "resourceMode can't be null");
        }
        if (!Arrays.asList(RESOURCE_MODE_ROUTE_ID, RESOURCE_MODE_CUSTOM_API_NAME).contains(resourceMode)) {
            return Result.ofFail(-1, "invalid resourceMode: " + resourceMode);
        }
        entity.setResourceMode(resourceMode);

        // API名称
        String resource = reqVo.getResource();
        if (StringUtil.isBlank(resource)) {
            return Result.ofFail(-1, "resource can't be null or empty");
        }
        entity.setResource(resource.trim());

        // 针对请求属性
        GatewayParamFlowItemVo paramItem = reqVo.getParamItem();
        if (paramItem != null) {
            GatewayParamFlowItemEntity itemEntity = new GatewayParamFlowItemEntity();
            entity.setParamItem(itemEntity);

            // 参数属性 0-ClientIP 1-Remote Host 2-Header 3-URL参数 4-Cookie
            Integer parseStrategy = paramItem.getParseStrategy();
            if (!Arrays.asList(PARAM_PARSE_STRATEGY_CLIENT_IP, PARAM_PARSE_STRATEGY_HOST, PARAM_PARSE_STRATEGY_HEADER
                    , PARAM_PARSE_STRATEGY_URL_PARAM, PARAM_PARSE_STRATEGY_COOKIE).contains(parseStrategy)) {
                return Result.ofFail(-1, "invalid parseStrategy: " + parseStrategy);
            }
            itemEntity.setParseStrategy(paramItem.getParseStrategy());

            // 当参数属性为2-Header 3-URL参数 4-Cookie时，参数名称必填
            if (Arrays.asList(PARAM_PARSE_STRATEGY_HEADER, PARAM_PARSE_STRATEGY_URL_PARAM, PARAM_PARSE_STRATEGY_COOKIE).contains(parseStrategy)) {
                // 参数名称
                String fieldName = paramItem.getFieldName();
                if (StringUtil.isBlank(fieldName)) {
                    return Result.ofFail(-1, "fieldName can't be null or empty");
                }
                itemEntity.setFieldName(paramItem.getFieldName());
            }

            String pattern = paramItem.getPattern();
            // 如果匹配串不为空，验证匹配模式
            if (StringUtil.isNotEmpty(pattern)) {
                itemEntity.setPattern(pattern);
                Integer matchStrategy = paramItem.getMatchStrategy();
                if (!Arrays.asList(PARAM_MATCH_STRATEGY_EXACT, PARAM_MATCH_STRATEGY_CONTAINS, PARAM_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
                    return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
                }
                itemEntity.setMatchStrategy(matchStrategy);
            }
        }

        // 阈值类型 0-线程数 1-QPS
        Integer grade = reqVo.getGrade();
        if (grade == null) {
            return Result.ofFail(-1, "grade can't be null");
        }
        if (!Arrays.asList(FLOW_GRADE_THREAD, FLOW_GRADE_QPS).contains(grade)) {
            return Result.ofFail(-1, "invalid grade: " + grade);
        }
        entity.setGrade(grade);

        // QPS阈值
        Double count = reqVo.getCount();
        if (count == null) {
            return Result.ofFail(-1, "count can't be null");
        }
        if (count < 0) {
            return Result.ofFail(-1, "count should be at lease zero");
        }
        entity.setCount(count);

        // 间隔
        Long interval = reqVo.getInterval();
        if (interval == null) {
            return Result.ofFail(-1, "interval can't be null");
        }
        if (interval <= 0) {
            return Result.ofFail(-1, "interval should be greater than zero");
        }
        entity.setInterval(interval);

        // 间隔单位
        Integer intervalUnit = reqVo.getIntervalUnit();
        if (intervalUnit == null) {
            return Result.ofFail(-1, "intervalUnit can't be null");
        }
        if (!Arrays.asList(INTERVAL_UNIT_SECOND, INTERVAL_UNIT_MINUTE, INTERVAL_UNIT_HOUR, INTERVAL_UNIT_DAY).contains(intervalUnit)) {
            return Result.ofFail(-1, "Invalid intervalUnit: " + intervalUnit);
        }
        entity.setIntervalUnit(intervalUnit);

        // 流控方式 0-快速失败 2-匀速排队
        Integer controlBehavior = reqVo.getControlBehavior();
        if (controlBehavior == null) {
            return Result.ofFail(-1, "controlBehavior can't be null");
        }
        if (!Arrays.asList(CONTROL_BEHAVIOR_DEFAULT, CONTROL_BEHAVIOR_RATE_LIMITER).contains(controlBehavior)) {
            return Result.ofFail(-1, "invalid controlBehavior: " + controlBehavior);
        }
        entity.setControlBehavior(controlBehavior);

        if (CONTROL_BEHAVIOR_DEFAULT == controlBehavior) {
            // 0-快速失败, 则Burst size必填
            Integer burst = reqVo.getBurst();
            if (burst == null) {
                return Result.ofFail(-1, "burst can't be null");
            }
            if (burst < 0) {
                return Result.ofFail(-1, "invalid burst: " + burst);
            }
            entity.setBurst(burst);
        } else if (CONTROL_BEHAVIOR_RATE_LIMITER == controlBehavior) {
            // 1-匀速排队, 则超时时间必填
            Integer maxQueueingTimeoutMs = reqVo.getMaxQueueingTimeoutMs();
            if (maxQueueingTimeoutMs == null) {
                return Result.ofFail(-1, "maxQueueingTimeoutMs can't be null");
            }
            if (maxQueueingTimeoutMs < 0) {
                return Result.ofFail(-1, "invalid maxQueueingTimeoutMs: " + maxQueueingTimeoutMs);
            }
            entity.setMaxQueueingTimeoutMs(maxQueueingTimeoutMs);
        }

        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);

        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("add gateway flow rule error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }

        if (!publishRules(app, ip, port)) {
            logger.warn("publish gateway flow rules fail after add");
        }

        return Result.ofSuccess(entity);
    }

    @PostMapping("/save.json")
    @AuthAction(AuthService.PrivilegeType.WRITE_RULE)
    public Result<GatewayFlowRuleEntity> updateFlowRule(@RequestBody UpdateFlowRuleReqVo reqVo) {

        String app = reqVo.getApp();
        if (StringUtil.isBlank(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }

        Long id = reqVo.getId();
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }

        GatewayFlowRuleEntity entity = repository.findById(id);
        if (entity == null) {
            return Result.ofFail(-1, "gateway flow rule does not exist, id=" + id);
        }

        // 针对请求属性
        GatewayParamFlowItemVo paramItem = reqVo.getParamItem();
        if (paramItem != null) {
            GatewayParamFlowItemEntity itemEntity = new GatewayParamFlowItemEntity();
            entity.setParamItem(itemEntity);

            // 参数属性 0-ClientIP 1-Remote Host 2-Header 3-URL参数 4-Cookie
            Integer parseStrategy = paramItem.getParseStrategy();
            if (!Arrays.asList(PARAM_PARSE_STRATEGY_CLIENT_IP, PARAM_PARSE_STRATEGY_HOST, PARAM_PARSE_STRATEGY_HEADER
                    , PARAM_PARSE_STRATEGY_URL_PARAM, PARAM_PARSE_STRATEGY_COOKIE).contains(parseStrategy)) {
                return Result.ofFail(-1, "invalid parseStrategy: " + parseStrategy);
            }
            itemEntity.setParseStrategy(paramItem.getParseStrategy());

            // 当参数属性为2-Header 3-URL参数 4-Cookie时，参数名称必填
            if (Arrays.asList(PARAM_PARSE_STRATEGY_HEADER, PARAM_PARSE_STRATEGY_URL_PARAM, PARAM_PARSE_STRATEGY_COOKIE).contains(parseStrategy)) {
                // 参数名称
                String fieldName = paramItem.getFieldName();
                if (StringUtil.isBlank(fieldName)) {
                    return Result.ofFail(-1, "fieldName can't be null or empty");
                }
                itemEntity.setFieldName(paramItem.getFieldName());
            }

            String pattern = paramItem.getPattern();
            // 如果匹配串不为空，验证匹配模式
            if (StringUtil.isNotEmpty(pattern)) {
                itemEntity.setPattern(pattern);
                Integer matchStrategy = paramItem.getMatchStrategy();
                if (!Arrays.asList(PARAM_MATCH_STRATEGY_EXACT, PARAM_MATCH_STRATEGY_CONTAINS, PARAM_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
                    return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
                }
                itemEntity.setMatchStrategy(matchStrategy);
            }
        } else {
            entity.setParamItem(null);
        }

        // 阈值类型 0-线程数 1-QPS
        Integer grade = reqVo.getGrade();
        if (grade == null) {
            return Result.ofFail(-1, "grade can't be null");
        }
        if (!Arrays.asList(FLOW_GRADE_THREAD, FLOW_GRADE_QPS).contains(grade)) {
            return Result.ofFail(-1, "invalid grade: " + grade);
        }
        entity.setGrade(grade);

        // QPS阈值
        Double count = reqVo.getCount();
        if (count == null) {
            return Result.ofFail(-1, "count can't be null");
        }
        if (count < 0) {
            return Result.ofFail(-1, "count should be at lease zero");
        }
        entity.setCount(count);

        // 间隔
        Long interval = reqVo.getInterval();
        if (interval == null) {
            return Result.ofFail(-1, "interval can't be null");
        }
        if (interval <= 0) {
            return Result.ofFail(-1, "interval should be greater than zero");
        }
        entity.setInterval(interval);

        // 间隔单位
        Integer intervalUnit = reqVo.getIntervalUnit();
        if (intervalUnit == null) {
            return Result.ofFail(-1, "intervalUnit can't be null");
        }
        if (!Arrays.asList(INTERVAL_UNIT_SECOND, INTERVAL_UNIT_MINUTE, INTERVAL_UNIT_HOUR, INTERVAL_UNIT_DAY).contains(intervalUnit)) {
            return Result.ofFail(-1, "Invalid intervalUnit: " + intervalUnit);
        }
        entity.setIntervalUnit(intervalUnit);

        // 流控方式 0-快速失败 2-匀速排队
        Integer controlBehavior = reqVo.getControlBehavior();
        if (controlBehavior == null) {
            return Result.ofFail(-1, "controlBehavior can't be null");
        }
        if (!Arrays.asList(CONTROL_BEHAVIOR_DEFAULT, CONTROL_BEHAVIOR_RATE_LIMITER).contains(controlBehavior)) {
            return Result.ofFail(-1, "invalid controlBehavior: " + controlBehavior);
        }
        entity.setControlBehavior(controlBehavior);

        if (CONTROL_BEHAVIOR_DEFAULT == controlBehavior) {
            // 0-快速失败, 则Burst size必填
            Integer burst = reqVo.getBurst();
            if (burst == null) {
                return Result.ofFail(-1, "burst can't be null");
            }
            if (burst < 0) {
                return Result.ofFail(-1, "invalid burst: " + burst);
            }
            entity.setBurst(burst);
        } else if (CONTROL_BEHAVIOR_RATE_LIMITER == controlBehavior) {
            // 2-匀速排队, 则超时时间必填
            Integer maxQueueingTimeoutMs = reqVo.getMaxQueueingTimeoutMs();
            if (maxQueueingTimeoutMs == null) {
                return Result.ofFail(-1, "maxQueueingTimeoutMs can't be null");
            }
            if (maxQueueingTimeoutMs < 0) {
                return Result.ofFail(-1, "invalid maxQueueingTimeoutMs: " + maxQueueingTimeoutMs);
            }
            entity.setMaxQueueingTimeoutMs(maxQueueingTimeoutMs);
        }

        Date date = new Date();
        entity.setGmtModified(date);

        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("update gateway flow rule error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }

        if (!publishRules(app, entity.getIp(), entity.getPort())) {
            logger.warn("publish gateway flow rules fail after update");
        }

        return Result.ofSuccess(entity);
    }


    @PostMapping("/delete.json")
    @AuthAction(AuthService.PrivilegeType.DELETE_RULE)
    public Result<Long> deleteFlowRule(Long id) {

        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }

        GatewayFlowRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }

        try {
            repository.delete(id);
        } catch (Throwable throwable) {
            logger.error("delete gateway flow rule error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }

        if (!publishRules(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort())) {
            logger.warn("publish gateway flow rules fail after delete");
        }

        return Result.ofSuccess(id);
    }

    private boolean publishRules(String app, String ip, Integer port) {
        List<GatewayFlowRuleEntity> rules = repository.findAllByMachine(MachineInfo.of(app, ip, port));
        // return sentinelApiClient.modifyGatewayFlowRules(app, ip, port, rules);
        try {
            rulePublisher.publish(app,rules);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}

• AuthorityRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.AuthorityRuleEntity;
import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.repository.rule.RuleRepository;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.slots.block.RuleConstant;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.*;

import java.util.Date;
import java.util.List;

/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 14:09
 * @description:
 */
@RestController
@RequestMapping(value = "/zk/authority")
public class AuthorityRuleZkController {

    private final Logger logger = LoggerFactory.getLogger(AuthorityRuleZkController.class);

    @Autowired
    private RuleRepository<AuthorityRuleEntity, Long> repository;
    @Autowired
    @Qualifier("authorityRuleZookeeperProvider")
    private DynamicRuleProvider<List<AuthorityRuleEntity>> ruleProvider;
    @Autowired
    @Qualifier("authorityRuleZookeeperPublisher")
    private DynamicRulePublisher<List<AuthorityRuleEntity>> rulePublisher;

    @GetMapping("/rules")
    @AuthAction(PrivilegeType.READ_RULE)
    public Result<List<AuthorityRuleEntity>> apiQueryAllRulesForMachine(@RequestParam String app,
                                                                        @RequestParam String ip,
                                                                        @RequestParam Integer port) {
        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app cannot be null or empty");
        }
        if (StringUtil.isEmpty(ip)) {
            return Result.ofFail(-1, "ip cannot be null or empty");
        }
        if (port == null || port <= 0) {
            return Result.ofFail(-1, "Invalid parameter: port");
        }
        try {
            // List<AuthorityRuleEntity> rules = sentinelApiClient.fetchAuthorityRulesOfMachine(app, ip, port);
            List<AuthorityRuleEntity> rules = ruleProvider.getRules(app);
            rules = repository.saveAll(rules);
            return Result.ofSuccess(rules);
        } catch (Throwable throwable) {
            logger.error("Error when querying authority rules", throwable);
            return Result.ofFail(-1, throwable.getMessage());
        }
    }

    private <R> Result<R> checkEntityInternal(AuthorityRuleEntity entity) {
        if (entity == null) {
            return Result.ofFail(-1, "bad rule body");
        }
        if (StringUtil.isBlank(entity.getApp())) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isBlank(entity.getIp())) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (entity.getPort() == null || entity.getPort() <= 0) {
            return Result.ofFail(-1, "port can't be null");
        }
        if (entity.getRule() == null) {
            return Result.ofFail(-1, "rule can't be null");
        }
        if (StringUtil.isBlank(entity.getResource())) {
            return Result.ofFail(-1, "resource name cannot be null or empty");
        }
        if (StringUtil.isBlank(entity.getLimitApp())) {
            return Result.ofFail(-1, "limitApp should be valid");
        }
        if (entity.getStrategy() != RuleConstant.AUTHORITY_WHITE
                && entity.getStrategy() != RuleConstant.AUTHORITY_BLACK) {
            return Result.ofFail(-1, "Unknown strategy (must be blacklist or whitelist)");
        }
        return null;
    }

    @PostMapping("/rule")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<AuthorityRuleEntity> apiAddAuthorityRule(@RequestBody AuthorityRuleEntity entity) {
        Result<AuthorityRuleEntity> checkResult = checkEntityInternal(entity);
        if (checkResult != null) {
            return checkResult;
        }
        entity.setId(null);
        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("Failed to add authority rule", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(entity.getApp(), entity.getIp(), entity.getPort())) {
            logger.info("Publish authority rules failed after rule add");
        }
        return Result.ofSuccess(entity);
    }

    @PutMapping("/rule/{id}")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<AuthorityRuleEntity> apiUpdateParamFlowRule(@PathVariable("id") Long id,
                                                              @RequestBody AuthorityRuleEntity entity) {
        if (id == null || id <= 0) {
            return Result.ofFail(-1, "Invalid id");
        }
        Result<AuthorityRuleEntity> checkResult = checkEntityInternal(entity);
        if (checkResult != null) {
            return checkResult;
        }
        entity.setId(id);
        Date date = new Date();
        entity.setGmtCreate(null);
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
            if (entity == null) {
                return Result.ofFail(-1, "Failed to save authority rule");
            }
        } catch (Throwable throwable) {
            logger.error("Failed to save authority rule", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(entity.getApp(), entity.getIp(), entity.getPort())) {
            logger.info("Publish authority rules failed after rule update");
        }
        return Result.ofSuccess(entity);
    }

    @DeleteMapping("/rule/{id}")
    @AuthAction(PrivilegeType.DELETE_RULE)
    public Result<Long> apiDeleteRule(@PathVariable("id") Long id) {
        if (id == null) {
            return Result.ofFail(-1, "id cannot be null");
        }
        AuthorityRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }
        try {
            repository.delete(id);
        } catch (Exception e) {
            return Result.ofFail(-1, e.getMessage());
        }
        if (!publishRules(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort())) {
            logger.error("Publish authority rules failed after rule delete");
        }
        return Result.ofSuccess(id);
    }

    private boolean publishRules(String app, String ip, Integer port) {
        List<AuthorityRuleEntity> rules = repository.findAllByMachine(MachineInfo.of(app, ip, port));
        // return sentinelApiClient.setAuthorityRuleOfMachine(app, ip, port, rules);
        try {
            rulePublisher.publish(app, rules);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}

• DegradeRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.DegradeRuleEntity;
import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.repository.rule.InMemDegradeRuleStore;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.slots.block.RuleConstant;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.Date;
import java.util.List;


/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 14:09
 * @description:
 */
@Controller
@RequestMapping(value = "/zk/degrade", produces = MediaType.APPLICATION_JSON_VALUE)
public class DegradeRuleZkController {

    private final Logger logger = LoggerFactory.getLogger(DegradeRuleZkController.class);

    @Autowired
    private InMemDegradeRuleStore repository;
    @Autowired
    private SentinelApiClient sentinelApiClient;
    @Autowired
    @Qualifier("degradeRuleZookeeperProvider")
    private DynamicRuleProvider<List<DegradeRuleEntity>> ruleProvider;
    @Autowired
    @Qualifier("degradeRuleZookeeperPublisher")
    private DynamicRulePublisher<List<DegradeRuleEntity>> rulePublisher;

    @ResponseBody
    @RequestMapping("/rules.json")
    @AuthAction(PrivilegeType.READ_RULE)
    public Result<List<DegradeRuleEntity>> queryMachineRules(String app, String ip, Integer port) {

        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isEmpty(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }
        try {
           /* List<DegradeRuleEntity> rules = sentinelApiClient.fetchDegradeRuleOfMachine(app, ip, port);
            rules = repository.saveAll(rules);
            return Result.ofSuccess(rules);*/
            List<DegradeRuleEntity> rules = ruleProvider.getRules(app);
            if (rules != null && !rules.isEmpty()) {
                for (DegradeRuleEntity entity : rules) {
                    entity.setApp(app);
                }
            }
            rules = repository.saveAll(rules);
            return Result.ofSuccess(rules);
        } catch (Throwable throwable) {
            logger.error("queryApps error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
    }

    @ResponseBody
    @RequestMapping("/new.json")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<DegradeRuleEntity> add(String app, String ip, Integer port, String limitApp, String resource,
                                         Double count, Integer timeWindow, Integer grade) throws Exception {
        if (StringUtil.isBlank(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isBlank(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }
        if (StringUtil.isBlank(limitApp)) {
            return Result.ofFail(-1, "limitApp can't be null or empty");
        }
        if (StringUtil.isBlank(resource)) {
            return Result.ofFail(-1, "resource can't be null or empty");
        }
        if (count == null) {
            return Result.ofFail(-1, "count can't be null");
        }
        if (timeWindow == null) {
            return Result.ofFail(-1, "timeWindow can't be null");
        }
        if (grade == null) {
            return Result.ofFail(-1, "grade can't be null");
        }
        if (grade < RuleConstant.DEGRADE_GRADE_RT || grade > RuleConstant.DEGRADE_GRADE_EXCEPTION_COUNT) {
            return Result.ofFail(-1, "Invalid grade: " + grade);
        }
        DegradeRuleEntity entity = new DegradeRuleEntity();
        entity.setApp(app.trim());
        entity.setIp(ip.trim());
        entity.setPort(port);
        entity.setLimitApp(limitApp.trim());
        entity.setResource(resource.trim());
        entity.setCount(count);
        entity.setTimeWindow(timeWindow);
        entity.setGrade(grade);
        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("add error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(app, ip, port)) {
            logger.info("publish degrade rules fail after rule add");
        }
        return Result.ofSuccess(entity);
    }

    @ResponseBody
    @RequestMapping("/save.json")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<DegradeRuleEntity> updateIfNotNull(Long id, String app, String limitApp, String resource,
                                                     Double count, Integer timeWindow, Integer grade) throws Exception {
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }
        if (grade != null) {
            if (grade < RuleConstant.DEGRADE_GRADE_RT || grade > RuleConstant.DEGRADE_GRADE_EXCEPTION_COUNT) {
                return Result.ofFail(-1, "Invalid grade: " + grade);
            }
        }
        DegradeRuleEntity entity = repository.findById(id);
        if (entity == null) {
            return Result.ofFail(-1, "id " + id + " dose not exist");
        }

        if (StringUtil.isNotBlank(app)) {
            entity.setApp(app.trim());
        }

        if (StringUtil.isNotBlank(limitApp)) {
            entity.setLimitApp(limitApp.trim());
        }
        if (StringUtil.isNotBlank(resource)) {
            entity.setResource(resource.trim());
        }
        if (count != null) {
            entity.setCount(count);
        }
        if (timeWindow != null) {
            entity.setTimeWindow(timeWindow);
        }
        if (grade != null) {
            entity.setGrade(grade);
        }
        Date date = new Date();
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("save error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(entity.getApp(), entity.getIp(), entity.getPort())) {
            logger.info("publish degrade rules fail after rule update");
        }
        return Result.ofSuccess(entity);
    }

    @ResponseBody
    @RequestMapping("/delete.json")
    @AuthAction(PrivilegeType.DELETE_RULE)
    public Result<Long> delete(Long id) throws Exception {
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }

        DegradeRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }

        try {
            repository.delete(id);
        } catch (Throwable throwable) {
            logger.error("delete error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort())) {
            logger.info("publish degrade rules fail after rule delete");
        }
        return Result.ofSuccess(id);
    }

    private boolean publishRules(String app, String ip, Integer port) throws Exception {
        List<DegradeRuleEntity> rules = repository.findAllByMachine(MachineInfo.of(app, ip, port));
        rulePublisher.publish(app, rules);
        return sentinelApiClient.setDegradeRuleOfMachine(app, ip, port, rules);
    }
}

• FlowRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.repository.rule.InMemoryRuleRepositoryAdapter;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.*;

import java.util.Date;
import java.util.List;


/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 14:09
 * @description:
 */
@RestController
@RequestMapping(value = "/zk/flow")
public class FlowRuleZkController {

    private final Logger logger = LoggerFactory.getLogger(FlowRuleZkController.class);

    @Autowired
    private InMemoryRuleRepositoryAdapter<FlowRuleEntity> repository;

    @Autowired
    @Qualifier("flowRuleZookeeperProvider")
    private DynamicRuleProvider<List<FlowRuleEntity>> ruleProvider;
    @Autowired
    @Qualifier("flowRuleZookeeperPublisher")
    private DynamicRulePublisher<List<FlowRuleEntity>> rulePublisher;
    @GetMapping("/rules")
    @AuthAction(PrivilegeType.READ_RULE)
    public Result<List<FlowRuleEntity>> apiQueryMachineRules(@RequestParam String app) {

        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        try {
            List<FlowRuleEntity> rules = ruleProvider.getRules(app);
            if (rules != null && !rules.isEmpty()) {
                for (FlowRuleEntity entity : rules) {
                    entity.setApp(app);
                    if (entity.getClusterConfig() != null && entity.getClusterConfig().getFlowId() != null) {
                        entity.setId(entity.getClusterConfig().getFlowId());
                    }
                }
            }
            rules = repository.saveAll(rules);
            return Result.ofSuccess(rules);
        } catch (Throwable throwable) {
            logger.error("Error when querying flow rules", throwable);
            return Result.ofThrowable(-1, throwable);
        }
    }

    private <R> Result<R> checkEntityInternal(FlowRuleEntity entity) {
        if (entity == null) {
            return Result.ofFail(-1, "invalid body");
        }
        if (StringUtil.isBlank(entity.getApp())) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isBlank(entity.getLimitApp())) {
            return Result.ofFail(-1, "limitApp can't be null or empty");
        }
        if (StringUtil.isBlank(entity.getResource())) {
            return Result.ofFail(-1, "resource can't be null or empty");
        }
        if (entity.getGrade() == null) {
            return Result.ofFail(-1, "grade can't be null");
        }
        if (entity.getGrade() != 0 && entity.getGrade() != 1) {
            return Result.ofFail(-1, "grade must be 0 or 1, but " + entity.getGrade() + " got");
        }
        if (entity.getCount() == null || entity.getCount() < 0) {
            return Result.ofFail(-1, "count should be at lease zero");
        }
        if (entity.getStrategy() == null) {
            return Result.ofFail(-1, "strategy can't be null");
        }
        if (entity.getStrategy() != 0 && StringUtil.isBlank(entity.getRefResource())) {
            return Result.ofFail(-1, "refResource can't be null or empty when strategy!=0");
        }
        if (entity.getControlBehavior() == null) {
            return Result.ofFail(-1, "controlBehavior can't be null");
        }
        int controlBehavior = entity.getControlBehavior();
        if (controlBehavior == 1 && entity.getWarmUpPeriodSec() == null) {
            return Result.ofFail(-1, "warmUpPeriodSec can't be null when controlBehavior==1");
        }
        if (controlBehavior == 2 && entity.getMaxQueueingTimeMs() == null) {
            return Result.ofFail(-1, "maxQueueingTimeMs can't be null when controlBehavior==2");
        }
        if (entity.isClusterMode() && entity.getClusterConfig() == null) {
            return Result.ofFail(-1, "cluster config should be valid");
        }
        return null;
    }

    @PostMapping("/rule")
    @AuthAction(value = AuthService.PrivilegeType.WRITE_RULE)
    public Result<FlowRuleEntity> apiAddFlowRule(@RequestBody FlowRuleEntity entity) {

        Result<FlowRuleEntity> checkResult = checkEntityInternal(entity);
        if (checkResult != null) {
            return checkResult;
        }
        entity.setId(null);
        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);
        entity.setLimitApp(entity.getLimitApp().trim());
        entity.setResource(entity.getResource().trim());
        try {
            entity = repository.save(entity);
            publishRules(entity.getApp());
        } catch (Throwable throwable) {
            logger.error("Failed to add flow rule", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        return Result.ofSuccess(entity);
    }

    @PutMapping("/rule/{id}")
    @AuthAction(AuthService.PrivilegeType.WRITE_RULE)

    public Result<FlowRuleEntity> apiUpdateFlowRule(@PathVariable("id") Long id,
                                                    @RequestBody FlowRuleEntity entity) {
        if (id == null || id <= 0) {
            return Result.ofFail(-1, "Invalid id");
        }
        FlowRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofFail(-1, "id " + id + " does not exist");
        }
        if (entity == null) {
            return Result.ofFail(-1, "invalid body");
        }

        entity.setApp(oldEntity.getApp());
        entity.setIp(oldEntity.getIp());
        entity.setPort(oldEntity.getPort());
        Result<FlowRuleEntity> checkResult = checkEntityInternal(entity);
        if (checkResult != null) {
            return checkResult;
        }

        entity.setId(id);
        Date date = new Date();
        entity.setGmtCreate(oldEntity.getGmtCreate());
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
            if (entity == null) {
                return Result.ofFail(-1, "save entity fail");
            }
            publishRules(oldEntity.getApp());
        } catch (Throwable throwable) {
            logger.error("Failed to update flow rule", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        return Result.ofSuccess(entity);
    }

    @DeleteMapping("/rule/{id}")
    @AuthAction(PrivilegeType.DELETE_RULE)
    public Result<Long> apiDeleteRule(@PathVariable("id") Long id) {
        if (id == null || id <= 0) {
            return Result.ofFail(-1, "Invalid id");
        }
        FlowRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }

        try {
            repository.delete(id);
            publishRules(oldEntity.getApp());
        } catch (Exception e) {
            return Result.ofFail(-1, e.getMessage());
        }
        return Result.ofSuccess(id);
    }

    private void publishRules(/*@NonNull*/ String app) throws Exception {
        List<FlowRuleEntity> rules = repository.findAllByApp(app);
        rulePublisher.publish(app, rules);
    }
}

• ParamFlowRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
import com.alibaba.csp.sentinel.dashboard.client.CommandNotFoundException;
import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.SentinelVersion;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.ParamFlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.discovery.AppManagement;
import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.repository.rule.RuleRepository;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.dashboard.util.VersionUtils;
import com.alibaba.csp.sentinel.slots.block.RuleConstant;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.*;

import java.util.Date;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;


/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 14:09
 * @description:
 */
@RestController
@RequestMapping(value = "/zk/paramFlow")
public class ParamFlowRuleZkController {

    private final Logger logger = LoggerFactory.getLogger(ParamFlowRuleZkController.class);

    @Autowired
    private AppManagement appManagement;
    @Autowired
    private RuleRepository<ParamFlowRuleEntity, Long> repository;
    @Autowired
    @Qualifier("paramFlowRuleZookeeperProvider")
    private DynamicRuleProvider<List<ParamFlowRuleEntity>> ruleProvider;
    @Autowired
    @Qualifier("paramFlowRuleZookeeperPublisher")
    private DynamicRulePublisher<List<ParamFlowRuleEntity>> rulePublisher;

    private boolean checkIfSupported(String app, String ip, int port) {
        try {
            return Optional.ofNullable(appManagement.getDetailApp(app))
                .flatMap(e -> e.getMachine(ip, port))
                .flatMap(m -> VersionUtils.parseVersion(m.getVersion())
                    .map(v -> v.greaterOrEqual(version020)))
                .orElse(true);
            // If error occurred or cannot retrieve machine info, return true.
        } catch (Exception ex) {
            return true;
        }
    }

    @GetMapping("/rules")
    @AuthAction(PrivilegeType.READ_RULE)
    public Result<List<ParamFlowRuleEntity>> apiQueryAllRulesForMachine(@RequestParam String app,
                                                                        @RequestParam String ip,
                                                                        @RequestParam Integer port) {
        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app cannot be null or empty");
        }
        if (StringUtil.isEmpty(ip)) {
            return Result.ofFail(-1, "ip cannot be null or empty");
        }
        if (port == null || port <= 0) {
            return Result.ofFail(-1, "Invalid parameter: port");
        }
        if (!checkIfSupported(app, ip, port)) {
            return unsupportedVersion();
        }
        try {
            /*return sentinelApiClient.fetchParamFlowRulesOfMachine(app, ip, port)
                .thenApply(repository::saveAll)
                .thenApply(Result::ofSuccess)
                .get();*/
            List<ParamFlowRuleEntity> rules = ruleProvider.getRules(app);
           return Result.ofSuccess(rules);
        } catch (ExecutionException ex) {
            logger.error("Error when querying parameter flow rules", ex.getCause());
            if (isNotSupported(ex.getCause())) {
                return unsupportedVersion();
            } else {
                return Result.ofThrowable(-1, ex.getCause());
            }
        } catch (Throwable throwable) {
            logger.error("Error when querying parameter flow rules", throwable);
            return Result.ofFail(-1, throwable.getMessage());
        }
    }

    private boolean isNotSupported(Throwable ex) {
        return ex instanceof CommandNotFoundException;
    }

    @PostMapping("/rule")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<ParamFlowRuleEntity> apiAddParamFlowRule(@RequestBody ParamFlowRuleEntity entity) {
        Result<ParamFlowRuleEntity> checkResult = checkEntityInternal(entity);
        if (checkResult != null) {
            return checkResult;
        }
        if (!checkIfSupported(entity.getApp(), entity.getIp(), entity.getPort())) {
            return unsupportedVersion();
        }
        entity.setId(null);
        entity.getRule().setResource(entity.getResource().trim());
        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
            publishRules(entity.getApp(), entity.getIp(), entity.getPort()).get();
            return Result.ofSuccess(entity);
        } catch (ExecutionException ex) {
            logger.error("Error when adding new parameter flow rules", ex.getCause());
            if (isNotSupported(ex.getCause())) {
                return unsupportedVersion();
            } else {
                return Result.ofThrowable(-1, ex.getCause());
            }
        } catch (Throwable throwable) {
            logger.error("Error when adding new parameter flow rules", throwable);
            return Result.ofFail(-1, throwable.getMessage());
        }
    }

    private <R> Result<R> checkEntityInternal(ParamFlowRuleEntity entity) {
        if (entity == null) {
            return Result.ofFail(-1, "bad rule body");
        }
        if (StringUtil.isBlank(entity.getApp())) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isBlank(entity.getIp())) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (entity.getPort() == null || entity.getPort() <= 0) {
            return Result.ofFail(-1, "port can't be null");
        }
        if (entity.getRule() == null) {
            return Result.ofFail(-1, "rule can't be null");
        }
        if (StringUtil.isBlank(entity.getResource())) {
            return Result.ofFail(-1, "resource name cannot be null or empty");
        }
        if (entity.getCount() < 0) {
            return Result.ofFail(-1, "count should be valid");
        }
        if (entity.getGrade() != RuleConstant.FLOW_GRADE_QPS) {
            return Result.ofFail(-1, "Unknown mode (blockGrade) for parameter flow control");
        }
        if (entity.getParamIdx() == null || entity.getParamIdx() < 0) {
            return Result.ofFail(-1, "paramIdx should be valid");
        }
        if (entity.getDurationInSec() <= 0) {
            return Result.ofFail(-1, "durationInSec should be valid");
        }
        if (entity.getControlBehavior() < 0) {
            return Result.ofFail(-1, "controlBehavior should be valid");
        }
        return null;
    }

    @PutMapping("/rule/{id}")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<ParamFlowRuleEntity> apiUpdateParamFlowRule(@PathVariable("id") Long id,
                                                              @RequestBody ParamFlowRuleEntity entity) {
        if (id == null || id <= 0) {
            return Result.ofFail(-1, "Invalid id");
        }
        ParamFlowRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofFail(-1, "id " + id + " does not exist");
        }

        Result<ParamFlowRuleEntity> checkResult = checkEntityInternal(entity);
        if (checkResult != null) {
            return checkResult;
        }
        if (!checkIfSupported(entity.getApp(), entity.getIp(), entity.getPort())) {
            return unsupportedVersion();
        }
        entity.setId(id);
        Date date = new Date();
        entity.setGmtCreate(oldEntity.getGmtCreate());
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
            publishRules(entity.getApp(), entity.getIp(), entity.getPort()).get();
            return Result.ofSuccess(entity);
        } catch (ExecutionException ex) {
            logger.error("Error when updating parameter flow rules, id=" + id, ex.getCause());
            if (isNotSupported(ex.getCause())) {
                return unsupportedVersion();
            } else {
                return Result.ofThrowable(-1, ex.getCause());
            }
        } catch (Throwable throwable) {
            logger.error("Error when updating parameter flow rules, id=" + id, throwable);
            return Result.ofFail(-1, throwable.getMessage());
        }
    }

    @DeleteMapping("/rule/{id}")
    @AuthAction(PrivilegeType.DELETE_RULE)
    public Result<Long> apiDeleteRule(@PathVariable("id") Long id) {
        if (id == null) {
            return Result.ofFail(-1, "id cannot be null");
        }
        ParamFlowRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }

        try {
            repository.delete(id);
            publishRules(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort()).get();
            return Result.ofSuccess(id);
        } catch (ExecutionException ex) {
            logger.error("Error when deleting parameter flow rules", ex.getCause());
            if (isNotSupported(ex.getCause())) {
                return unsupportedVersion();
            } else {
                return Result.ofThrowable(-1, ex.getCause());
            }
        } catch (Throwable throwable) {
            logger.error("Error when deleting parameter flow rules", throwable);
            return Result.ofFail(-1, throwable.getMessage());
        }
    }

    private CompletableFuture<Void> publishRules(String app, String ip, Integer port) {
        List<ParamFlowRuleEntity> rules = repository.findAllByMachine(MachineInfo.of(app, ip, port));
        // return sentinelApiClient.setParamFlowRuleOfMachine(app, ip, port, rules);
        try {
            rulePublisher.publish(app,rules);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return CompletableFuture.completedFuture(null);
    }

    private <R> Result<R> unsupportedVersion() {
        return Result.ofFail(4041,
            "Sentinel client not supported for parameter flow control (unsupported version or dependency absent)");
    }

    private final SentinelVersion version020 = new SentinelVersion().setMinorVersion(2);
}

• SystemRuleZkController

package com.alibaba.csp.sentinel.dashboard.controller.v2.zookeeper;

import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.SystemRuleEntity;
import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
import com.alibaba.csp.sentinel.dashboard.domain.Result;
import com.alibaba.csp.sentinel.dashboard.repository.rule.RuleRepository;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;
import java.util.List;


/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 14:09
 * @description:
 */
@RestController
@RequestMapping("/zk/system")
public class SystemRuleZkController {

    private final Logger logger = LoggerFactory.getLogger(SystemRuleZkController.class);

    @Autowired
    private RuleRepository<SystemRuleEntity, Long> repository;
    @Autowired
    private SentinelApiClient sentinelApiClient;
    @Autowired
    @Qualifier("systemRuleZookeeperProvider")
    private DynamicRuleProvider<List<SystemRuleEntity>> ruleProvider;
    @Autowired
    @Qualifier("systemRuleZookeeperPublisher")
    private DynamicRulePublisher<List<SystemRuleEntity>> rulePublisher;

    private <R> Result<R> checkBasicParams(String app, String ip, Integer port) {
        if (StringUtil.isEmpty(app)) {
            return Result.ofFail(-1, "app can't be null or empty");
        }
        if (StringUtil.isEmpty(ip)) {
            return Result.ofFail(-1, "ip can't be null or empty");
        }
        if (port == null) {
            return Result.ofFail(-1, "port can't be null");
        }
        if (port <= 0 || port > 65535) {
            return Result.ofFail(-1, "port should be in (0, 65535)");
        }
        return null;
    }

    @GetMapping("/rules.json")
    @AuthAction(PrivilegeType.READ_RULE)
    public Result<List<SystemRuleEntity>> apiQueryMachineRules(String app, String ip,
                                                               Integer port) {
        Result<List<SystemRuleEntity>> checkResult = checkBasicParams(app, ip, port);
        if (checkResult != null) {
            return checkResult;
        }
        try {
            //List<SystemRuleEntity> rules = sentinelApiClient.fetchSystemRuleOfMachine(app, ip, port);
            List<SystemRuleEntity> rules = ruleProvider.getRules(app);
            rules = repository.saveAll(rules);
            return Result.ofSuccess(rules);
        } catch (Throwable throwable) {
            logger.error("Query machine system rules error", throwable);
            return Result.ofThrowable(-1, throwable);
        }
    }

    private int countNotNullAndNotNegative(Number... values) {
        int notNullCount = 0;
        for (int i = 0; i < values.length; i++) {
            if (values[i] != null && values[i].doubleValue() >= 0) {
                notNullCount++;
            }
        }
        return notNullCount;
    }

    @RequestMapping("/new.json")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<SystemRuleEntity> apiAdd(String app, String ip, Integer port,
                                           Double highestSystemLoad, Double highestCpuUsage, Long avgRt,
                                           Long maxThread, Double qps) {

        Result<SystemRuleEntity> checkResult = checkBasicParams(app, ip, port);
        if (checkResult != null) {
            return checkResult;
        }

        int notNullCount = countNotNullAndNotNegative(highestSystemLoad, avgRt, maxThread, qps, highestCpuUsage);
        if (notNullCount != 1) {
            return Result.ofFail(-1, "only one of [highestSystemLoad, avgRt, maxThread, qps,highestCpuUsage] "
                + "value must be set > 0, but " + notNullCount + " values get");
        }
        if (null != highestCpuUsage && highestCpuUsage > 1) {
            return Result.ofFail(-1, "highestCpuUsage must between [0.0, 1.0]");
        }
        SystemRuleEntity entity = new SystemRuleEntity();
        entity.setApp(app.trim());
        entity.setIp(ip.trim());
        entity.setPort(port);
        // -1 is a fake value
        if (null != highestSystemLoad) {
            entity.setHighestSystemLoad(highestSystemLoad);
        } else {
            entity.setHighestSystemLoad(-1D);
        }

        if (null != highestCpuUsage) {
            entity.setHighestCpuUsage(highestCpuUsage);
        } else {
            entity.setHighestCpuUsage(-1D);
        }

        if (avgRt != null) {
            entity.setAvgRt(avgRt);
        } else {
            entity.setAvgRt(-1L);
        }
        if (maxThread != null) {
            entity.setMaxThread(maxThread);
        } else {
            entity.setMaxThread(-1L);
        }
        if (qps != null) {
            entity.setQps(qps);
        } else {
            entity.setQps(-1D);
        }
        Date date = new Date();
        entity.setGmtCreate(date);
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("Add SystemRule error", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(app, ip, port)) {
            logger.warn("Publish system rules fail after rule add");
        }
        return Result.ofSuccess(entity);
    }

    @GetMapping("/save.json")
    @AuthAction(PrivilegeType.WRITE_RULE)
    public Result<SystemRuleEntity> apiUpdateIfNotNull(Long id, String app, Double highestSystemLoad,
                                                       Double highestCpuUsage, Long avgRt, Long maxThread, Double qps) {
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }
        SystemRuleEntity entity = repository.findById(id);
        if (entity == null) {
            return Result.ofFail(-1, "id " + id + " dose not exist");
        }

        if (StringUtil.isNotBlank(app)) {
            entity.setApp(app.trim());
        }
        if (highestSystemLoad != null) {
            if (highestSystemLoad < 0) {
                return Result.ofFail(-1, "highestSystemLoad must >= 0");
            }
            entity.setHighestSystemLoad(highestSystemLoad);
        }
        if (highestCpuUsage != null) {
            if (highestCpuUsage < 0) {
                return Result.ofFail(-1, "highestCpuUsage must >= 0");
            }
            if (highestCpuUsage > 1) {
                return Result.ofFail(-1, "highestCpuUsage must <= 1");
            }
            entity.setHighestCpuUsage(highestCpuUsage);
        }
        if (avgRt != null) {
            if (avgRt < 0) {
                return Result.ofFail(-1, "avgRt must >= 0");
            }
            entity.setAvgRt(avgRt);
        }
        if (maxThread != null) {
            if (maxThread < 0) {
                return Result.ofFail(-1, "maxThread must >= 0");
            }
            entity.setMaxThread(maxThread);
        }
        if (qps != null) {
            if (qps < 0) {
                return Result.ofFail(-1, "qps must >= 0");
            }
            entity.setQps(qps);
        }
        Date date = new Date();
        entity.setGmtModified(date);
        try {
            entity = repository.save(entity);
        } catch (Throwable throwable) {
            logger.error("save error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(entity.getApp(), entity.getIp(), entity.getPort())) {
            logger.info("publish system rules fail after rule update");
        }
        return Result.ofSuccess(entity);
    }

    @RequestMapping("/delete.json")
    @AuthAction(PrivilegeType.DELETE_RULE)
    public Result<?> delete(Long id) {
        if (id == null) {
            return Result.ofFail(-1, "id can't be null");
        }
        SystemRuleEntity oldEntity = repository.findById(id);
        if (oldEntity == null) {
            return Result.ofSuccess(null);
        }
        try {
            repository.delete(id);
        } catch (Throwable throwable) {
            logger.error("delete error:", throwable);
            return Result.ofThrowable(-1, throwable);
        }
        if (!publishRules(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort())) {
            logger.info("publish system rules fail after rule delete");
        }
        return Result.ofSuccess(id);
    }

    private boolean publishRules(String app, String ip, Integer port) {
        List<SystemRuleEntity> rules = repository.findAllByMachine(MachineInfo.of(app, ip, port));
        //return sentinelApiClient.setSystemRuleOfMachine(app, ip, port, rules);
        try {
            rulePublisher.publish(app,rules);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}

rule改造

• RuleZkPublisher

package com.alibaba.csp.sentinel.dashboard.rule;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.RuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.zookeeper.ZookeeperConfigUtil;
import com.alibaba.csp.sentinel.datasource.Converter;
import com.alibaba.csp.sentinel.util.AssertUtil;
import org.apache.curator.framework.CuratorFramework;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.data.Stat;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.CollectionUtils;

import java.util.List;

/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 11:13
 * @description:
 */
public abstract class RuleZkPublisher<T extends RuleEntity> implements DynamicRulePublisher<List<T>> {
    @Autowired
    private CuratorFramework zkClient;
    @Autowired
    private Converter<List<T>, String> converter;

    @Override
    public void publish(String app, List<T> rules) throws Exception {
        AssertUtil.notEmpty(app, "app name cannot be empty");

        String path = ZookeeperConfigUtil.getPath(app, getDataIdPostfix());
        Stat stat = zkClient.checkExists().forPath(path);
        if (stat == null) {
            zkClient.create().creatingParentContainersIfNeeded().withMode(CreateMode.PERSISTENT).forPath(path, null);
        }
        byte[] data = CollectionUtils.isEmpty(rules) ? "[]".getBytes() : converter.convert(rules).getBytes();
        zkClient.setData().forPath(path, data);
    }

    public abstract String getDataIdPostfix();
}

• RuleZkProvider

package com.alibaba.csp.sentinel.dashboard.rule;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.RuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.zookeeper.ZookeeperConfigUtil;
import com.alibaba.csp.sentinel.datasource.Converter;
import org.apache.curator.framework.CuratorFramework;
import org.apache.zookeeper.data.Stat;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.ArrayList;
import java.util.List;

/**
 * @ClassName:
 * @auther: zhongjias
 * @date: 2020/9/4 11:12
 * @description:
 */
public abstract class RuleZkProvider<T extends RuleEntity> implements DynamicRuleProvider<List<T>> {
    @Autowired
    private CuratorFramework zkClient;
    @Autowired
    private Converter<String, List<T>> converter;

    @Override
    public List<T> getRules(String appName) throws Exception {
        String zkPath = ZookeeperConfigUtil.getPath(appName,getDataIdPostfix());
        Stat stat = zkClient.checkExists().forPath(zkPath);
        if(stat == null){
            return new ArrayList<>(0);
        }
        byte[] bytes = zkClient.getData().forPath(zkPath);
        if (null == bytes || bytes.length == 0) {
            return new ArrayList<>();
        }
        String s = new String(bytes);

        return converter.convert(s);
    }

    public abstract String getDataIdPostfix();
}

• ZookeeperConfigUtil

package com.alibaba.csp.sentinel.dashboard.rule.zookeeper;


import org.apache.commons.lang.StringUtils;

public class ZookeeperConfigUtil {
     // 这个字段，要与客户端相匹配
    public static final String RULE_ROOT_PATH = "/sentinel_rule_config";
    public static final int RETRY_TIMES = 3;
    public static final int SLEEP_TIME = 1000;
    public static String getPath(String appName,String type) {
        StringBuilder stringBuilder = new StringBuilder(RULE_ROOT_PATH);

        if (StringUtils.isBlank(appName)) {
            return stringBuilder.toString();
        }
        if (appName.startsWith("/")) {
            stringBuilder.append(appName)
                    .append("/")
                    .append(type);
        } else {
            stringBuilder.append("/")
                    .append(appName)
                    .append("/")
                    .append(type);
        }
        return stringBuilder.toString();
    }
}

• ApiRuleZookeeperPublisher

package com.alibaba.csp.sentinel.dashboard.rule.zookeeper.api;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.ApiDefinitionEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.RuleZkPublisher;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component("apiRuleZookeeperPublisher")
public class ApiRuleZookeeperPublisher extends RuleZkPublisher<ApiDefinitionEntity> {
    @Value("${sentinel.api.prex}")
    private String type;

    @Override
    public String getDataIdPostfix() {
        return type;
    }

}

• ApiRuleZookeeperProvider

package com.alibaba.csp.sentinel.dashboard.rule.zookeeper.api;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.ApiDefinitionEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.RuleZkProvider;
import com.alibaba.csp.sentinel.datasource.Converter;
import org.apache.curator.framework.CuratorFramework;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.util.List;

@Component("apiRuleZookeeperProvider")
public class ApiRuleZookeeperProvider extends RuleZkProvider<ApiDefinitionEntity> {

    @Value("${sentinel.api.prex}")
    private String type;

    @Override
    public String getDataIdPostfix() {
        return type;
    }
}

• 其余rule参考上两个，只要把相应的type和Entity对应修改即可

前端将编译好的app.js路由更改，也可以修改后进行编译（吐槽下，前端用的是angular）,如果有能力，建议前端改造下。

image.png
image.png

改造后，增加相关规则，可以看到zookeeper中有相关配置

image.png
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