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Nepxion Discovery is an enhancement for Spring Cloud Discovery
There is a newer version: 6.22.0
package com.nepxion.discovery.console.endpoint;

/**
 * Title: Nepxion Discovery
 * Description: Nepxion Discovery
 * Copyright: Copyright (c) 2017-2050
 * Company: Nepxion
 * @author Haojun Ren
 * @version 1.0
 */

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.endpoint.web.annotation.RestControllerEndpoint;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.jmx.export.annotation.ManagedOperation;
import org.springframework.jmx.export.annotation.ManagedResource;
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.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import com.nepxion.discovery.common.constant.DiscoveryConstant;
import com.nepxion.discovery.common.entity.InstanceEntity;
import com.nepxion.discovery.console.adapter.ConfigAdapter;
import com.nepxion.discovery.console.rest.ConfigClearRestInvoker;
import com.nepxion.discovery.console.rest.ConfigUpdateRestInvoker;
import com.nepxion.discovery.console.rest.VersionClearRestInvoker;
import com.nepxion.discovery.console.rest.VersionUpdateRestInvoker;

@RestController
@RequestMapping(path = "/console")
@Api(tags = { "控制台接口" })
@RestControllerEndpoint(id = "console")
@ManagedResource(description = "Console Endpoint")
public class ConsoleEndpoint {
    private static final Logger LOG = LoggerFactory.getLogger(ConsoleEndpoint.class);

    @Autowired
    private DiscoveryClient discoveryClient;

    @Autowired(required = false)
    private ConfigAdapter configAdapter;

    @Autowired
    private RestTemplate consoleRestTemplate;

    @RequestMapping(path = "/services", method = RequestMethod.GET)
    @ApiOperation(value = "获取服务注册中心的服务列表", notes = "", response = List.class, httpMethod = "GET")
    @ResponseBody
    @ManagedOperation
    public List services() {
        return getServices();
    }

    @RequestMapping(path = "/instances/{serviceId}", method = RequestMethod.GET)
    @ApiOperation(value = "获取服务注册中心服务的实例列表", notes = "", response = List.class, httpMethod = "GET")
    @ResponseBody
    @ManagedOperation
    public List instances(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId) {
        return getInstances(serviceId);
    }

    @RequestMapping(path = "/instance-list/{serviceId}", method = RequestMethod.GET)
    @ApiOperation(value = "获取服务注册中心服务的实例列表（精简数据）", notes = "", response = List.class, httpMethod = "GET")
    @ResponseBody
    @ManagedOperation
    public List instanceList(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId) {
        return getInstanceList(serviceId);
    }

    @RequestMapping(path = "/instance-map", method = RequestMethod.GET)
    @ApiOperation(value = "获取服务注册中心的服务和实例的Map（精简数据）", notes = "", response = Map.class, httpMethod = "GET")
    @ResponseBody
    @ManagedOperation
    public Map> instanceMap() {
        return getInstanceMap();
    }

    @RequestMapping(path = "/remote-config/update/{group}/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "推送更新规则配置信息到远程配置中心", notes = "", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity remoteConfigUpdate(@PathVariable(value = "group") @ApiParam(value = "组名", required = true) String group, @PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody @ApiParam(value = "规则配置内容，XML格式", required = true) String config) {
        return executeRemoteConfigUpdate(group, serviceId, config);
    }

    @RequestMapping(path = "/remote-config/clear/{group}/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "清除规则配置信息到远程配置中心", notes = "", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity remoteConfigClear(@PathVariable(value = "group") @ApiParam(value = "组名", required = true) String group, @PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId) {
        return executeRemoteConfigClear(group, serviceId);
    }

    @RequestMapping(path = "/remote-config/view/{group}/{serviceId}", method = RequestMethod.GET)
    @ApiOperation(value = "查看远程配置中心的规则配置信息", notes = "", response = ResponseEntity.class, httpMethod = "GET")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity remoteConfigView(@PathVariable(value = "group") @ApiParam(value = "组名", required = true) String group, @PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId) {
        return executeRemoteConfigView(group, serviceId);
    }

    @RequestMapping(path = "/config/update-async/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量异步推送更新规则配置信息", notes = "", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity configUpdateAsync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody @ApiParam(value = "规则配置内容，XML格式", required = true) String config) {
        return executeConfigUpdate(serviceId, config, true);
    }

    @RequestMapping(path = "/config/update-sync/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量同步推送更新规则配置信息", notes = "", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity configUpdateSync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody @ApiParam(value = "规则配置内容，XML格式", required = true) String config) {
        return executeConfigUpdate(serviceId, config, false);
    }

    @RequestMapping(path = "/config/clear-async/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量异步清除更新的规则配置信息", notes = "", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity configClearAsync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId) {
        return executeConfigClear(serviceId, true);
    }

    @RequestMapping(path = "/config/clear-sync/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量同步清除更新的规则配置信息", notes = "", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity configClearSync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId) {
        return executeConfigClear(serviceId, false);
    }

    @RequestMapping(path = "/version/update-async/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量异步更新服务的动态版本", notes = "根据指定的localVersion更新服务的dynamicVersion。如果输入的localVersion不匹配服务的localVersion，则忽略；如果如果输入的localVersion为空，则直接更新服务的dynamicVersion", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity versionUpdateAsync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody @ApiParam(value = "版本号，格式为[dynamicVersion]或者[dynamicVersion];[localVersion]", required = true) String version) {
        return executeVersionUpdate(serviceId, version, true);
    }

    @RequestMapping(path = "/version/update-sync/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量同步更新服务的动态版本", notes = "根据指定的localVersion更新服务的dynamicVersion。如果输入的localVersion不匹配服务的localVersion，则忽略；如果如果输入的localVersion为空，则直接更新服务的dynamicVersion", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity versionUpdateSync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody @ApiParam(value = "版本号，格式为[dynamicVersion]或者[dynamicVersion];[localVersion]", required = true) String version) {
        return executeVersionUpdate(serviceId, version, false);
    }

    @RequestMapping(path = "/version/clear-async/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量异步清除服务的动态版本", notes = "根据指定的localVersion清除服务的dynamicVersion。如果输入的localVersion不匹配服务的localVersion，则忽略；如果如果输入的localVersion为空，则直接清除服务的dynamicVersion", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity versionClearAsync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody(required = false) @ApiParam(value = "版本号，指localVersion，可以为空") String version) {
        return executeVersionClear(serviceId, version, true);
    }

    @RequestMapping(path = "/version/clear-sync/{serviceId}", method = RequestMethod.POST)
    @ApiOperation(value = "批量同步清除服务的动态版本", notes = "根据指定的localVersion清除服务的dynamicVersion。如果输入的localVersion不匹配服务的localVersion，则忽略；如果如果输入的localVersion为空，则直接清除服务的dynamicVersion", response = ResponseEntity.class, httpMethod = "POST")
    @ResponseBody
    @ManagedOperation
    public ResponseEntity versionClearSync(@PathVariable(value = "serviceId") @ApiParam(value = "服务名", required = true) String serviceId, @RequestBody(required = false) @ApiParam(value = "版本号，指localVersion，可以为空") String version) {
        return executeVersionClear(serviceId, version, false);
    }

    public List getServices() {
        return discoveryClient.getServices();
    }

    public List getInstances(String serviceId) {
        return discoveryClient.getInstances(serviceId);
    }

    public List getInstanceList(String service) {
        List serviceInstances = getInstances(service);
        List instanceEntityList = new ArrayList(serviceInstances.size());
        for (ServiceInstance serviceInstance : serviceInstances) {
            Map metadata = serviceInstance.getMetadata();
            String serviceId = serviceInstance.getServiceId().toLowerCase();
            String version = metadata.get(DiscoveryConstant.VERSION);
            String host = serviceInstance.getHost();
            int port = serviceInstance.getPort();

            InstanceEntity instanceEntity = new InstanceEntity();
            instanceEntity.setServiceId(serviceId);
            instanceEntity.setVersion(version);
            instanceEntity.setHost(host);
            instanceEntity.setPort(port);
            instanceEntity.setMetadata(metadata);

            instanceEntityList.add(instanceEntity);
        }

        return instanceEntityList;
    }

    public Map> getInstanceMap() {
        List services = getServices();
        Map> instanceMap = new LinkedHashMap>(services.size());
        for (String service : services) {
            List instanceEntityList = getInstanceList(service);
            instanceMap.put(service, instanceEntityList);
        }

        return instanceMap;
    }

    private ResponseEntity executeRemoteConfigUpdate(String group, String serviceId, String config) {
        if (configAdapter == null) {
            LOG.error("Remote config adapter isn't provided");

            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Remote config adapter isn't provided");
        }

        try {
            boolean result = configAdapter.updateConfig(group, serviceId, config);

            return ResponseEntity.ok().body(result ? "OK" : "NO");
        } catch (Exception e) {
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(e.getMessage());
        }
    }

    private ResponseEntity executeRemoteConfigClear(String group, String serviceId) {
        if (configAdapter == null) {
            LOG.error("Remote config adapter isn't provided");

            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Remote config adapter isn't provided");
        }

        try {
            boolean result = configAdapter.clearConfig(group, serviceId);

            return ResponseEntity.ok().body(result ? "OK" : "NO");
        } catch (Exception e) {
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(e.getMessage());
        }
    }

    private ResponseEntity executeRemoteConfigView(String group, String serviceId) {
        if (configAdapter == null) {
            LOG.error("Remote config adapter isn't provided");

            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Remote config adapter isn't provided");
        }

        try {
            String config = configAdapter.getConfig(group, serviceId);

            return ResponseEntity.ok().body(config);
        } catch (Exception e) {
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(e.getMessage());
        }
    }

    private ResponseEntity executeConfigUpdate(String serviceId, String config, boolean async) {
        List serviceInstances = getInstances(serviceId);

        ConfigUpdateRestInvoker configUpdateRestInvoker = new ConfigUpdateRestInvoker(serviceInstances, consoleRestTemplate, config, async);

        return configUpdateRestInvoker.invoke();
    }

    private ResponseEntity executeConfigClear(String serviceId, boolean async) {
        List serviceInstances = getInstances(serviceId);

        ConfigClearRestInvoker configClearRestInvoker = new ConfigClearRestInvoker(serviceInstances, consoleRestTemplate, async);

        return configClearRestInvoker.invoke();
    }

    private ResponseEntity executeVersionUpdate(String serviceId, String version, boolean async) {
        List serviceInstances = getInstances(serviceId);

        VersionUpdateRestInvoker versionUpdateRestInvoker = new VersionUpdateRestInvoker(serviceInstances, consoleRestTemplate, version, async);

        return versionUpdateRestInvoker.invoke();
    }

    private ResponseEntity executeVersionClear(String serviceId, String version, boolean async) {
        List serviceInstances = getInstances(serviceId);

        VersionClearRestInvoker versionClearRestInvoker = new VersionClearRestInvoker(serviceInstances, consoleRestTemplate, version, async);

        return versionClearRestInvoker.invoke();
    }
}