Eureka Service Discovery

Eureka is a RESTful service that is primarily used in the AWS cloud for the purpose of discovery, load balancing, and failover of middle-tier servers.

This page explains how Stork can use Eureka to handle the service discovery.

Dependency

First, you need to add the Stork Consul Service Discovery provider:

<dependency>
    <groupId>io.smallrye.stork</groupId>
    <artifactId>smallrye-stork-service-discovery-eureka</artifactId>
    <version>SNAPSHOT</version>
</dependency>

Configuration

For each application instance expected to be registered in Eureka, configure the lookup:

stork.my-service.service-discovery=eureka
stork.my-service.service-discovery.eureka-host=localhost
stork.my-service.service-discovery.eureka-port=8761

Stork looks for the service with the given name (my-service in the previous example).

Supported attributes are the following:

Attribute	Mandatory	Default Value	Description
eureka-host	Yes		The Eureka server host
eureka-port	No	8761	The Eureka server port
eureka-trust-all	No	false	Enable/Disable the TLS certificate verification
eureka-ssl	No	false	Use TLS to connect to the Eureka server
application	No	the service name	The Eureka application Id
instance	No		The Eureka application instance Id
secure	No	false	Whether it should select the secure virtual address

The application attribute is optional. It uses the Stork service name (my-service in the previous configuration) if not set.

The instance attribute allows selecting a specific instance. Using this attribute prevents load-balancing as you will always select a single instance.

The secure attribute indicates if you want the secure virtual address of the application instance. If set to true, unsecured instances are filtered out from the available instances.