Problems with hystrix-dashboard turbine using FileBasedInstanceDiscovery - hystrix

Question

I am trying to set up a hystrix-dashboard with turbine. I am not using Eureka and want to use the FileBasedInstanceDiscovery. I am trying to configure this but following the online documentation doesn't seem to work. It always tries to use the Eureka discovery client. I tried excluding the eureka from my pom but then it falls back to another discovery client CommonsInstanceDiscovery
Here is my application.properties:
turbine.aggregator.clusterConf=mycluster
turbine.instanceUrlSuffix.mycluster=8080/hystrix.stream
turbine.FileBasedInstanceDiscovery.filePath=turbine.hostnames.txt
turbine.InstanceMonitor.eventStream.skipLineLogic.enabled=false
InstanceDiscovery.impl=com.netflix.turbine.discovery.FileBasedInstanceDiscovery
Is there another way to do this? Also, for the filePath for my turbine hostnames, where does it start looking? Can I have the file under my resources directory of my jar?
here is my pom file dependencies:
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR1</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web-services</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-turbine</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>

Answer 1

Some of the documentation is unclear and conflicting for turbine, I think this is because there is the spring-cloud-netflix project and a standalone turbine project. At any rate, if you are building a spring-boot app then this property is not useful:
InstanceDiscovery.impl=com.netflix.turbine.discovery.FileBasedInstanceDiscovery
If you want to change the implementation of InstanceDiscovery it is pretty simple, just create a bean that implements InstanceDiscovery like this:
#Bean
public InstanceDiscovery instanceDiscovery() {
//choose either one of the provided implementations from spring or
//create your own
return new ConfigPropertyBasedDiscovery();
//return new FileBasedInstanceDiscovery();
}
Make sure you put this in a #Configuration class. I originally had mine just in my SpringBootApplication class but this doesn't allow you to override the default implementation.