Spring boot、eureka、hystrix、turbine：turbine 始终显示 0 个报告主机

Question

我有一个能够通过 Eureka 发现运行服务的涡轮机实现：

2015-09-08 11:40:13.727  INFO 13112 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Fetching instance list for apps: [policy-service]
2015-09-08 11:40:13.727  INFO 13112 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Fetching instances for app: policy-service
2015-09-08 11:40:13.727  INFO 13112 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Received instance list for app: policy-service, size=1
2015-09-08 11:40:13.727  INFO 13112 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Retrieved hosts from InstanceDiscovery: 1
2015-09-08 11:40:13.728  INFO 13112 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Found hosts that have been previously terminated: 0
2015-09-08 11:40:13.728  INFO 13112 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Hosts up:1, hosts down: 0

Hystrix 在客户端应用程序策略服务上运行。我能够查看它的流并在 hystrix 仪表板中看到它。

问题是当我查看 Turbine 流时，我得到这个：

: ping
data: {"reportingHostsLast10Seconds":0,"name":"meta","type":"meta","timestamp":1441734488823}

当我在带有 URI http://localhost:8095/turbine.stream?cluster=DEV 的 Hystrix 仪表板中查看它时，我只看到 "Loading..."

我已经尝试了 post 中提到的所有方法，但都无济于事。

这是我的涡轮机服务'application.yml:

turbine:
  aggregator:
    clusterNameExpression: new String("default")
    clusterConfig: DEV
    #http://localhost:8095/turbine.stream?cluster=DEV
  appConfig: policy-service
  InstanceMonitor:
    eventStream:
      skipLineLogic:
        enabled: false

我在没有 clusterConfig 和 clusterNameExpression 的情况下试过这个。

这是我的 bootstrap.yml:

eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/
spring:
  application:
    name: turbine-service
server:
  port: 8095

这是我的来源：

package com.ml.turbine;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.turbine.EnableTurbine;

@SpringBootApplication
@EnableTurbine
@EnableEurekaClient
public class TurbineService {

    public static void main(String[] args) {
        SpringApplication.run(TurbineService.class, args);
    }
}

当我在浏览器中点击涡轮流时，日志显示为：

2015-09-08 14:03:19.967  INFO 12024 --- [nio-8095-exec-4] c.n.t.s.servlet.TurbineStreamServlet     : FilterCriteria: []
2015-09-08 14:03:19.967  INFO 12024 --- [nio-8095-exec-4] c.n.t.s.servlet.TurbineStreamServlet     : StatsType filters: []
2015-09-08 14:03:19.967  INFO 12024 --- [nio-8095-exec-4] c.n.t.s.TurbineStreamingConnection       : Relevance config: []
2015-09-08 14:03:19.967  INFO 12024 --- [nio-8095-exec-4] c.n.t.s.TurbineStreamingConnection       : Relevance metrics config: {}
2015-09-08 14:03:19.967  INFO 12024 --- [nio-8095-exec-4] c.n.t.monitor.cluster.ClusterMonitor     : Registering event handler for cluster monitor: StreamingHandler_92386c8c-b263-4548-be07-10c1a2a3dc27
2015-09-08 14:03:19.967  INFO 12024 --- [nio-8095-exec-4] c.n.t.handler.TurbineDataDispatcher      : 

Just added and starting handler tuple: StreamingHandler_92386c8c-b263-4548-be07-10c1a2a3dc27
2015-09-08 14:03:19.968  INFO 12024 --- [nio-8095-exec-4] c.n.turbine.data.AggDataFromCluster      : Per handler dispacher started for: StreamingHandler_92386c8c-b263-4548-be07-10c1a2a3dc27
2015-09-08 14:03:19.973  INFO 12024 --- [nio-8095-exec-4] c.n.t.monitor.cluster.ClusterMonitor     : All event handlers for cluster monitor: [StreamingHandler_92386c8c-b263-4548-be07-10c1a2a3dc27, StreamingHandler_deaba37e-b712-49db-beba-ab9f60848118, StaticListener_For_Aggregator, StreamingHandler_42896dd8-5d90-43c2-89ad-f57151b94894]
2015-09-08 14:03:19.974  INFO 12024 --- [nio-8095-exec-4] c.n.t.monitor.cluster.ClusterMonitor     : Starting up the cluster monitor for DEV_agg

当涡轮流连接到策略服务并且 hystrix 流正常工作时，为什么我在涡轮流中什么也得不到？

Answer 1

原来是我的application.yml配置错了

来自here：

The clusterName can be customized by a SPEL expression in turbine.clusterNameExpression with root an instance of InstanceInfo. The default value is appName, which means that the Eureka serviceId ends up as the cluster key (i.e. the InstanceInfo for customers has an appName of "CUSTOMERS").

我的 application.yml 现在看起来像这样：

turbine:
  aggregator:
    clusterNameExpression: new String("default")
    clusterConfig: POLICY-SERVICE
    #http://localhost:8095/turbine.stream?cluster=POLICY-SERVICE
  appConfig: policy-service

Spring boot、eureka、hystrix、turbine：turbine 始终显示 0 个报告主机

Spring boot, eureka, hystrix, turbine: turbine always shows 0 reporting hosts

spring-boot

spring-cloud

netflix

hystrix

turbine