Quarkus - Unleash

Unleash is a feature toggle system, that gives you a great overview of all feature toggles across all your applications and services. Quarkus Unleash extension is client for Unleash.

Installation

If you want to use this extension, you need to add the quarkiverse-unleash extension first. In your pom.xml file, add:

<dependency>
    <groupId>io.quarkiverse.unleash</groupId>
    <artifactId>quarkus-unleash</artifactId>
</dependency>

Usage

Assuming you have Unleash running on localhost:4242 you should add the following properties to your application.properties and fill in the values for url.

quarkus.unleash.url=http://localhost:4242/api

Once you have configured the properties, you can start using an Unleash-client.

@ApplicationScoped
public class TestService {

    @Inject
    Unleash unleash;

    public boolean isTest() {
        return unleash.isEnabled("quarkus.unleash.test");
    }
}

Extension Configuration Reference

Configuration property fixed at build time - All other configuration properties are overridable at runtime

Configuration property

Type

Default

Unleash URL service endpoint

string

required

Application name

string

Project name

string

Instance ID.

string

Disable Unleash metrics

boolean

false

Application Unleash token

string

Application environment

string

Fetch toggles interval

long

10

Send metrics interval

long

60

Backup file

string

A synchronous fetch on initialisation

boolean

false

Enable proxy authentication by JVM properties

boolean

false