use a quarkus managed grpc channel

docs/modules/ROOT/pages/includes/quarkus-temporal.adoc

@@ -27,6 +27,24 @@ endif::add-copy-button-to-env-var[]
 |`false`
 
 
+a|icon:lock[title=Fixed at build time] [[quarkus-temporal_quarkus-temporal-channel-type]]`link:#quarkus-temporal_quarkus-temporal-channel-type[quarkus.temporal.channel-type]`
+
+
+[.description]
+--
+either use a channel managed by temporal client (built-in) or use a channel managed by quarkus (quarkus-managed). In this case the channel can be configured using quarkus.grpc.clients.temporal-client.
+
+ifdef::add-copy-button-to-env-var[]
+Environment variable: env_var_with_copy_button:+++QUARKUS_TEMPORAL_CHANNEL_TYPE+++[]
+endif::add-copy-button-to-env-var[]
+ifndef::add-copy-button-to-env-var[]
+Environment variable: `+++QUARKUS_TEMPORAL_CHANNEL_TYPE+++`
+endif::add-copy-button-to-env-var[]
+-- a|
+`quarkus-managed`, `built-in` 
+|`built-in`
+
+
 a|icon:lock[title=Fixed at build time] [[quarkus-temporal_quarkus-temporal-health-enabled]]`link:#quarkus-temporal_quarkus-temporal-health-enabled[quarkus.temporal.health.enabled]`
 
 

extension/deployment/pom.xml

@@ -21,6 +21,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-grpc-common-deployment</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-grpc-deployment</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-smallrye-health-spi</artifactId>

extension/deployment/src/main/java/io/quarkiverse/temporal/deployment/TemporalProcessor.java

@@ -2,6 +2,8 @@
 
 import static io.quarkiverse.temporal.Constants.DEFAULT_WORKER_NAME;
 import static io.quarkiverse.temporal.Constants.TEMPORAL_TESTING_CAPABILITY;
+import static io.quarkiverse.temporal.config.TemporalBuildtimeConfig.ChannelType.BUILT_IN;
+import static io.quarkiverse.temporal.config.TemporalBuildtimeConfig.ChannelType.QUARKUS_MANAGED;
 import static io.quarkus.deployment.Capability.OPENTELEMETRY_TRACER;
 import static io.quarkus.runtime.metrics.MetricsFactory.MICROMETER;
 
@@ -31,6 +33,7 @@
 import org.jboss.jandex.DotName;
 import org.jboss.jandex.ParameterizedType;
 
+import io.grpc.Channel;
 import io.quarkiverse.temporal.OtelRecorder;
 import io.quarkiverse.temporal.TemporalActivity;
 import io.quarkiverse.temporal.TemporalHealthCheck;
@@ -60,6 +63,9 @@
 import io.quarkus.deployment.builditem.ShutdownContextBuildItem;
 import io.quarkus.deployment.metrics.MetricsCapabilityBuildItem;
 import io.quarkus.deployment.pkg.builditem.ArtifactResultBuildItem;
+import io.quarkus.grpc.GrpcClient;
+import io.quarkus.grpc.deployment.GrpcClientBuildItem;
+import io.quarkus.grpc.deployment.GrpcDotNames;
 import io.quarkus.info.GitInfo;
 import io.quarkus.runtime.configuration.ConfigurationException;
 import io.quarkus.smallrye.health.deployment.spi.HealthBuildItem;
@@ -313,38 +319,65 @@ void produceActivityBeans(
         });
     }
 
+    @BuildStep(onlyIf = EnableQuarkusManagedChannel.class)
+    GrpcClientBuildItem produceGrpcClient() {
+        GrpcClientBuildItem grpcClientBuildItem = new GrpcClientBuildItem("temporal-client");
+        grpcClientBuildItem.addClient(
+                new GrpcClientBuildItem.ClientInfo(GrpcDotNames.CHANNEL, GrpcClientBuildItem.ClientType.CHANNEL, Set.of()));
+        return grpcClientBuildItem;
+    }
+
     @BuildStep(onlyIfNot = EnableMock.class)
     @Record(ExecutionTime.RUNTIME_INIT)
-    WorkflowClientBuildItem recordWorkflowClient(
-            WorkflowServiceStubsRecorder recorder,
-            WorkflowClientRecorder clientRecorder,
-            Optional<MetricsCapabilityBuildItem> metricsCapability) {
+    SyntheticBeanBuildItem produceWorkflowServiceStubSyntheticBean(TemporalBuildtimeConfig config,
+            Optional<MetricsCapabilityBuildItem> metricsCapability,
+            WorkflowServiceStubsRecorder recorder) {
 
         boolean micrometerSupported = metricsCapability.isPresent() && metricsCapability.get().metricsSupported(MICROMETER);
 
-        WorkflowServiceStubs workflowServiceStubs = recorder.createWorkflowServiceStubs(micrometerSupported);
-        return new WorkflowClientBuildItem(
-                clientRecorder.createWorkflowClient(workflowServiceStubs));
+        if (BUILT_IN.equals(config.channelType())) {
+            return SyntheticBeanBuildItem
+                    .configure(WorkflowServiceStubs.class)
+                    .scope(ApplicationScoped.class)
+                    .unremovable()
+                    .defaultBean()
+                    .createWith(recorder.createWorkflowServiceStubs(micrometerSupported))
+                    .setRuntimeInit()
+                    .done();
+        }
+
+        // QUARKUS_MANAGED
+        return SyntheticBeanBuildItem
+                .configure(WorkflowServiceStubs.class)
+                .scope(ApplicationScoped.class)
+                .unremovable()
+                .defaultBean()
+                .addInjectionPoint(ClassType.create(Channel.class),
+                        AnnotationInstance.builder(GrpcClient.class).value("temporal-client").build())
+                .createWith(recorder.createQuarkusManagedWorkflowServiceStubs(micrometerSupported))
+                .setRuntimeInit()
+                .done();
+
     }
 
-    @BuildStep
-    Optional<SyntheticBeanBuildItem> produceWorkflowClientSyntheticBean(
-            Optional<WorkflowClientBuildItem> workflowClientBuildItem) {
-
-        return workflowClientBuildItem
-                .map(buildItem -> SyntheticBeanBuildItem
-                        .configure(WorkflowClient.class)
-                        .scope(ApplicationScoped.class)
-                        .unremovable()
-                        .defaultBean()
-                        .addInjectionPoint(
-                                ParameterizedType.create(Instance.class, ClassType.create(WorkflowClientInterceptor.class)),
-                                AnnotationInstance.builder(Any.class).build())
-                        .addInjectionPoint(ParameterizedType.create(Instance.class, ClassType.create(ContextPropagator.class)),
-                                AnnotationInstance.builder(Any.class).build())
-                        .createWith(buildItem.workflowClient)
-                        .setRuntimeInit()
-                        .done());
+    @BuildStep(onlyIfNot = EnableMock.class)
+    @Record(ExecutionTime.RUNTIME_INIT)
+    SyntheticBeanBuildItem produceWorkflowClientSyntheticBean(WorkflowClientRecorder clientRecorder) {
+
+        return SyntheticBeanBuildItem
+                .configure(WorkflowClient.class)
+                .scope(ApplicationScoped.class)
+                .unremovable()
+                .defaultBean()
+                .addInjectionPoint(ClassType.create(WorkflowServiceStubs.class))
+                .addInjectionPoint(
+                        ParameterizedType.create(Instance.class, ClassType.create(WorkflowClientInterceptor.class)),
+                        AnnotationInstance.builder(Any.class).build())
+                .addInjectionPoint(ParameterizedType.create(Instance.class, ClassType.create(ContextPropagator.class)),
+                        AnnotationInstance.builder(Any.class).build())
+                .createWith(clientRecorder.createWorkflowClient())
+                .setRuntimeInit()
+                .done();
 
     }
 
@@ -489,6 +522,14 @@ Class<?> loadClass(ClassInfo classInfo) {
         }
     }
 
+    public static class EnableQuarkusManagedChannel implements BooleanSupplier {
+        TemporalBuildtimeConfig config;
+
+        public boolean getAsBoolean() {
+            return !config.enableMock() && config.channelType() == QUARKUS_MANAGED;
+        }
+    }
+
     public static class EnableMock implements BooleanSupplier {
         TemporalBuildtimeConfig config;
 

extension/deployment/src/test/java/io/quarkiverse/temporal/deployment/QuarkusManagedChannelConfigPriorityTest.java

@@ -0,0 +1,36 @@
+package io.quarkiverse.temporal.deployment;
+
+import jakarta.inject.Inject;
+
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.asset.StringAsset;
+import org.jboss.shrinkwrap.api.spec.JavaArchive;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.quarkus.test.QuarkusUnitTest;
+import io.temporal.serviceclient.WorkflowServiceStubs;
+
+public class QuarkusManagedChannelConfigPriorityTest {
+
+    @RegisterExtension
+    static final QuarkusUnitTest unitTest = new QuarkusUnitTest()
+            .setArchiveProducer(() -> ShrinkWrap.create(JavaArchive.class)
+                    .addAsResource(
+                            new StringAsset(
+                                    "quarkus.temporal.start-workers: false\n" +
+                                            "quarkus.temporal.channel-type: quarkus-managed\n" +
+                                            "quarkus.grpc.clients.temporal-client.host: grpcHost\n" +
+                                            "quarkus.temporal.connection.target: customTarget:1234\n"),
+                            "application.properties"));
+
+    @Inject
+    WorkflowServiceStubs serviceStubs;
+
+    @Test
+    public void testQuarkusManagedChannel() {
+        Assertions.assertNull(serviceStubs.getOptions().getTarget());
+        Assertions.assertEquals("grpcHost:1234", serviceStubs.getOptions().getChannel().authority());
+    }
+}

extension/deployment/src/test/java/io/quarkiverse/temporal/deployment/QuarkusManagedChannelTest.java

@@ -0,0 +1,35 @@
+package io.quarkiverse.temporal.deployment;
+
+import jakarta.inject.Inject;
+
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.asset.StringAsset;
+import org.jboss.shrinkwrap.api.spec.JavaArchive;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.quarkus.test.QuarkusUnitTest;
+import io.temporal.serviceclient.WorkflowServiceStubs;
+
+public class QuarkusManagedChannelTest {
+
+    @RegisterExtension
+    static final QuarkusUnitTest unitTest = new QuarkusUnitTest()
+            .setArchiveProducer(() -> ShrinkWrap.create(JavaArchive.class)
+                    .addAsResource(
+                            new StringAsset(
+                                    "quarkus.temporal.start-workers: false\n" +
+                                            "quarkus.temporal.channel-type: quarkus-managed\n" +
+                                            "quarkus.temporal.connection.target: customTarget:1234\n"),
+                            "application.properties"));
+
+    @Inject
+    WorkflowServiceStubs serviceStubs;
+
+    @Test
+    public void testQuarkusManagedChannel() {
+        Assertions.assertNull(serviceStubs.getOptions().getTarget());
+        Assertions.assertEquals("customTarget:1234", serviceStubs.getOptions().getChannel().authority());
+    }
+}

extension/runtime/pom.xml

@@ -21,6 +21,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-grpc-common</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-grpc</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-smallrye-health</artifactId>

extension/runtime/src/main/java/io/quarkiverse/temporal/TemporalConfigRelocateInterceptor.java

@@ -0,0 +1,74 @@
+package io.quarkiverse.temporal;
+
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import io.smallrye.config.ConfigSourceInterceptor;
+import io.smallrye.config.ConfigSourceInterceptorContext;
+import io.smallrye.config.ConfigValue;
+
+public class TemporalConfigRelocateInterceptor implements ConfigSourceInterceptor {
+
+    @Override
+    public ConfigValue getValue(ConfigSourceInterceptorContext context, String name) {
+
+        if (name.equals("quarkus.grpc.clients.temporal-client.host")) {
+
+            ConfigValue host = context.proceed("quarkus.grpc.clients.temporal-client.host");
+            ConfigValue target = context.proceed("quarkus.temporal.connection.target");
+            if (host == null && target != null) {
+                String[] split = target.getValue().split(":");
+                return target.from()
+                        .withName("quarkus.grpc.clients.temporal-client.host")
+                        .withValue(split[0])
+                        .build();
+            }
+            return host;
+        }
+
+        if (name.equals("quarkus.grpc.clients.temporal-client.port")) {
+
+            ConfigValue port = context.proceed("quarkus.grpc.clients.temporal-client.port");
+            ConfigValue target = context.proceed("quarkus.temporal.connection.target");
+            if (port == null && target != null) {
+                String[] split = target.getValue().split(":");
+                return target.from()
+                        .withName("quarkus.grpc.clients.temporal-client.port")
+                        .withValue(split[1])
+                        .build();
+            }
+            return port;
+        }
+
+        if (name.equals("quarkus.grpc.clients.temporal-client.test-port")) {
+
+            ConfigValue port = context.proceed("quarkus.grpc.clients.temporal-client.test-port");
+            ConfigValue target = context.proceed("quarkus.temporal.connection.target");
+            if (port == null && target != null) {
+                String[] split = target.getValue().split(":");
+                return target.from()
+                        .withName("quarkus.grpc.clients.temporal-client.test-port")
+                        .withValue(split[1])
+                        .build();
+            }
+            return port;
+        }
+
+        return context.proceed(name);
+    }
+
+    @Override
+    public Iterator<String> iterateNames(ConfigSourceInterceptorContext context) {
+        Set<String> names = new HashSet<>();
+        Iterator<String> iterator = context.iterateNames();
+        while (iterator.hasNext()) {
+            names.add(iterator.next());
+        }
+        names.add("quarkus.grpc.clients.temporal-client.host");
+        names.add("quarkus.grpc.clients.temporal-client.port");
+        names.add("quarkus.grpc.clients.temporal-client.test-port");
+        return names.iterator();
+    }
+
+}

extension/runtime/src/main/java/io/quarkiverse/temporal/WorkflowClientRecorder.java

@@ -92,12 +92,11 @@ public WorkflowClientOptions createWorkflowClientOptions(
      * Creates a new instance of {@link WorkflowClient} using the provided {@link WorkflowServiceStubs},
      * context propagators, and telemetry settings.
      *
-     * @param serviceStubs The {@link WorkflowServiceStubs} used to connect to the Temporal service.
      * @return A configured {@link WorkflowClient} instance.
      */
-    public Function<SyntheticCreationalContext<WorkflowClient>, WorkflowClient> createWorkflowClient(
-            WorkflowServiceStubs serviceStubs) {
-        return context -> WorkflowClient.newInstance(serviceStubs, createWorkflowClientOptions(context));
+    public Function<SyntheticCreationalContext<WorkflowClient>, WorkflowClient> createWorkflowClient() {
+        return context -> WorkflowClient.newInstance(context.getInjectedReference(WorkflowServiceStubs.class),
+                createWorkflowClientOptions(context));
     }
 
 }