Expose Stork Registars in Quarkus extension + integration test

bom/application/pom.xml

@@ -69,7 +69,7 @@
         <smallrye-reactive-types-converter.version>3.0.0</smallrye-reactive-types-converter.version>
         <smallrye-mutiny-vertx-binding.version>3.5.0</smallrye-mutiny-vertx-binding.version>
         <smallrye-reactive-messaging.version>4.7.0</smallrye-reactive-messaging.version>
-        <smallrye-stork.version>2.2.0</smallrye-stork.version>
+        <smallrye-stork.version>2.3.0</smallrye-stork.version>
         <jakarta.activation.version>2.1.2</jakarta.activation.version>
         <jakarta.annotation-api.version>2.1.1</jakarta.annotation-api.version>
         <jakarta.enterprise.cdi-api.version>4.0.1</jakarta.enterprise.cdi-api.version>

extensions/smallrye-stork/runtime/src/main/java/io/quarkus/stork/ServiceConfiguration.java

@@ -1,19 +1,23 @@
 package io.quarkus.stork;
 
+import java.util.Optional;
+
 import io.quarkus.runtime.annotations.ConfigGroup;
-import io.quarkus.runtime.annotations.ConfigItem;
 
 @ConfigGroup
-public class ServiceConfiguration {
+public interface ServiceConfiguration {
     /**
      * ServiceDiscovery configuration for the service
      */
-    @ConfigItem
-    public StorkServiceDiscoveryConfiguration serviceDiscovery;
+    StorkServiceDiscoveryConfiguration serviceDiscovery();
 
     /**
      * LoadBalancer configuration for the service
      */
-    @ConfigItem
-    public StorkLoadBalancerConfiguration loadBalancer;
+    StorkLoadBalancerConfiguration loadBalancer();
+
+    /**
+     * ServiceRegistrar configuration for the service
+     */
+    Optional<StorkServiceRegistrarConfiguration> serviceRegistrar();
 }

extensions/smallrye-stork/runtime/src/main/java/io/quarkus/stork/StorkConfigUtil.java

@@ -11,17 +11,23 @@ public class StorkConfigUtil {
 
     public static List<ServiceConfig> toStorkServiceConfig(StorkConfiguration storkConfiguration) {
         List<ServiceConfig> storkServicesConfigs = new ArrayList<>();
-        Set<String> servicesConfigs = storkConfiguration.serviceConfiguration.keySet();
+        Set<String> servicesConfigs = storkConfiguration.serviceConfiguration().keySet();
         SimpleServiceConfig.Builder builder = new SimpleServiceConfig.Builder();
         for (String serviceName : servicesConfigs) {
             builder.setServiceName(serviceName);
-            ServiceConfiguration serviceConfiguration = storkConfiguration.serviceConfiguration.get(serviceName);
+            ServiceConfiguration serviceConfiguration = storkConfiguration.serviceConfiguration().get(serviceName);
             SimpleServiceConfig.SimpleServiceDiscoveryConfig storkServiceDiscoveryConfig = new SimpleServiceConfig.SimpleServiceDiscoveryConfig(
-                    serviceConfiguration.serviceDiscovery.type, serviceConfiguration.serviceDiscovery.params);
+                    serviceConfiguration.serviceDiscovery().type(), serviceConfiguration.serviceDiscovery().params());
             builder = builder.setServiceDiscovery(storkServiceDiscoveryConfig);
             SimpleServiceConfig.SimpleLoadBalancerConfig loadBalancerConfig = new SimpleServiceConfig.SimpleLoadBalancerConfig(
-                    serviceConfiguration.loadBalancer.type, serviceConfiguration.loadBalancer.parameters);
+                    serviceConfiguration.loadBalancer().type(), serviceConfiguration.loadBalancer().parameters());
             builder.setLoadBalancer(loadBalancerConfig);
+            if (serviceConfiguration.serviceRegistrar().isPresent()) {
+                SimpleServiceConfig.SimpleServiceRegistrarConfig serviceRegistrarConfig = new SimpleServiceConfig.SimpleServiceRegistrarConfig(
+                        serviceConfiguration.serviceRegistrar().get().type(),
+                        serviceConfiguration.serviceRegistrar().get().parameters());
+                builder.setServiceRegistrar(serviceRegistrarConfig);
+            }
             storkServicesConfigs.add(builder.build());
         }
         return storkServicesConfigs;

extensions/smallrye-stork/runtime/src/main/java/io/quarkus/stork/StorkConfiguration.java

@@ -4,22 +4,24 @@
 
 import io.quarkus.runtime.annotations.ConfigDocMapKey;
 import io.quarkus.runtime.annotations.ConfigDocSection;
-import io.quarkus.runtime.annotations.ConfigItem;
 import io.quarkus.runtime.annotations.ConfigPhase;
 import io.quarkus.runtime.annotations.ConfigRoot;
+import io.smallrye.config.ConfigMapping;
+import io.smallrye.config.WithParentName;
 
 /**
  * Stork configuration root.
  */
+@ConfigMapping(prefix = "quarkus.stork")
 @ConfigRoot(phase = ConfigPhase.RUN_TIME)
-public class StorkConfiguration {
+public interface StorkConfiguration {
 
     /**
-     * ServiceDiscovery configuration for the service
+     * Configuration for the service
      */
-    @ConfigItem(name = ConfigItem.PARENT)
+    @WithParentName
     @ConfigDocSection
     @ConfigDocMapKey("service-name")
-    public Map<String, ServiceConfiguration> serviceConfiguration;
+    Map<String, ServiceConfiguration> serviceConfiguration();
 
 }

extensions/smallrye-stork/runtime/src/main/java/io/quarkus/stork/StorkLoadBalancerConfiguration.java

@@ -3,25 +3,26 @@
 import java.util.Map;
 
 import io.quarkus.runtime.annotations.ConfigGroup;
-import io.quarkus.runtime.annotations.ConfigItem;
+import io.smallrye.config.WithDefault;
+import io.smallrye.config.WithParentName;
 
 @ConfigGroup
-public class StorkLoadBalancerConfiguration {
+public interface StorkLoadBalancerConfiguration {
 
     /**
      * Configures load balancer type, e.g. "round-robin".
      * A LoadBalancerProvider for the type has to be available
      *
      */
-    @ConfigItem(defaultValue = "round-robin")
-    public String type;
+    @WithDefault(value = "round-robin")
+    String type();
 
     /**
      * Load Balancer parameters.
      * Check the documentation of the selected load balancer type for available parameters
      *
      */
-    @ConfigItem(name = ConfigItem.PARENT)
-    public Map<String, String> parameters;
+    @WithParentName
+    Map<String, String> parameters();
 
 }

extensions/smallrye-stork/runtime/src/main/java/io/quarkus/stork/StorkServiceDiscoveryConfiguration.java

@@ -3,25 +3,24 @@
 import java.util.Map;
 
 import io.quarkus.runtime.annotations.ConfigGroup;
-import io.quarkus.runtime.annotations.ConfigItem;
+import io.smallrye.config.WithParentName;
 
 @ConfigGroup
-public class StorkServiceDiscoveryConfiguration {
+public interface StorkServiceDiscoveryConfiguration {
 
     /**
      * Configures the service discovery type, e.g. "consul".
      * ServiceDiscoveryProvider for the type has to be available
      *
      */
-    @ConfigItem
-    public String type;
+    String type();
 
     /**
      * ServiceDiscovery parameters.
      * Check the documentation of the selected service discovery type for available parameters.
      *
      */
-    @ConfigItem(name = ConfigItem.PARENT)
-    public Map<String, String> params;
+    @WithParentName
+    Map<String, String> params();
 
 }

extensions/smallrye-stork/runtime/src/main/java/io/quarkus/stork/StorkServiceRegistrarConfiguration.java

@@ -0,0 +1,27 @@
+package io.quarkus.stork;
+
+import java.util.Map;
+
+import io.quarkus.runtime.annotations.ConfigGroup;
+import io.smallrye.config.WithParentName;
+
+@ConfigGroup
+public interface StorkServiceRegistrarConfiguration {
+
+    /**
+     * Configures service registrar type, e.g. "consul".
+     * A ServiceRegistrarProvider for the type has to be available
+     *
+     */
+    String type();
+
+    /**
+     * Service Registrar parameters.
+     * Check the documentation of the selected registrar type for available parameters
+     *
+     */
+    //    @ConfigItem(name = ConfigItem.PARENT)
+    @WithParentName
+    Map<String, String> parameters();
+
+}

independent-projects/resteasy-reactive/pom.xml

@@ -68,7 +68,7 @@
         <rest-assured.version>5.3.0</rest-assured.version>
         <commons-logging-jboss-logging.version>1.0.0.Final</commons-logging-jboss-logging.version>
         <jackson-bom.version>2.15.2</jackson-bom.version>
-        <smallrye-stork.version>2.1.0</smallrye-stork.version>
+        <smallrye-stork.version>2.3.0</smallrye-stork.version>
         <jakarta.validation-api.version>3.0.2</jakarta.validation-api.version>
         <yasson.version>3.0.3</yasson.version>
         <jakarta.json.bind-api.version>3.0.0</jakarta.json.bind-api.version>

integration-tests/pom.xml

@@ -308,6 +308,7 @@
                 <module>smallrye-graphql</module>
                 <module>smallrye-graphql-client</module>
                 <module>smallrye-opentracing</module>
+                <module>smallrye-stork-registration</module>
                 <module>jpa-without-entity</module>
                 <module>quartz</module>
                 <module>redis-client</module>

integration-tests/smallrye-stork-registration/pom.xml

@@ -0,0 +1,141 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>quarkus-integration-tests-parent</artifactId>
+        <groupId>io.quarkus</groupId>
+        <version>999-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>quarkus-integration-test-smallrye-stork-registration</artifactId>
+    <name>Quarkus - Integration Tests - Smallrye Stork Registration</name>
+
+    <dependencies>
+        <!-- Client dependencies -->
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-vertx-http</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-rest-client-reactive-jackson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-resteasy-reactive-jackson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.smallrye.stork</groupId>
+            <artifactId>stork-service-discovery-static-list</artifactId>
+        </dependency>
+        <!-- Test dependencies -->
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-junit5</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.awaitility</groupId>
+            <artifactId>awaitility</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Minimal test dependencies to *-deployment artifacts for consistent build order -->
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-resteasy-reactive-jackson-deployment</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-rest-client-reactive-jackson-deployment</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-vertx-http-deployment</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>io.quarkus</groupId>
+                <artifactId>quarkus-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>build</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>native-image</id>
+            <activation>
+                <property>
+                    <name>native</name>
+                </property>
+            </activation>
+            <properties>
+                <quarkus.package.type>native</quarkus.package.type>
+            </properties>
+            <!-- add some custom config, the rest comes from parent -->
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-failsafe-plugin</artifactId>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+</project>

integration-tests/smallrye-stork-registration/src/main/java/org/acme/ClientCallingResource.java

@@ -0,0 +1,25 @@
+package org.acme;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+
+import org.eclipse.microprofile.rest.client.inject.RestClient;
+
+/**
+ * A frontend API using our REST Client (which uses Stork to locate and select the service instance on each call).
+ */
+@Path("/api")
+public class ClientCallingResource {
+
+    @RestClient
+    MyServiceClient service;
+
+    @GET
+    @Produces(MediaType.TEXT_PLAIN)
+    public String invoke() {
+        return service.get();
+    }
+
+}

integration-tests/smallrye-stork-registration/src/main/java/org/acme/MyServiceClient.java

@@ -0,0 +1,22 @@
+package org.acme;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+
+import org.eclipse.microprofile.rest.client.inject.RegisterRestClient;
+
+/**
+ * The REST Client interface.
+ *
+ * Notice the `baseUri`. It uses `stork://` as URL scheme indicating that the called service uses Stork to locate and
+ * select the service instance. The `my-service` part is the service name. This is used to configure Stork discovery
+ * and selection in the `application.properties` file.
+ */
+@RegisterRestClient(baseUri = "stork://my-service")
+public interface MyServiceClient {
+
+    @GET
+    @Produces(MediaType.TEXT_PLAIN)
+    String get();
+}