Take use using-prefix in Openshift manifest generation

Fixes: quarkusio#47772

Author: geoand

extensions/kubernetes/vanilla/deployment/src/main/java/io/quarkus/kubernetes/deployment/OpenshiftProcessor.java

@@ -311,6 +311,7 @@ public List<DecoratorBuildItem> createDecorators(ApplicationInfoBuildItem applic
                         new AddEnvVarDecorator(ApplicationContainerDecorator.ANY, name,
                                 new EnvBuilder().withName(EnvConverter.convertName(e.getName())).withValue(e.getValue())
                                         .withSecret(e.getSecret()).withConfigmap(e.getConfigMap()).withField(e.getField())
+                                        .withPrefix(e.getPrefix())
                                         .build()))));
 
         // Enalbe local lookup policy for all image streams

integration-tests/kubernetes/quarkus-standard-way/src/test/java/io/quarkus/it/kubernetes/OpenshiftWithEnvFromConfigMapWithPrefixTest.java

@@ -0,0 +1,65 @@
+package io.quarkus.it.kubernetes;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.fabric8.kubernetes.api.model.HasMetadata;
+import io.fabric8.kubernetes.api.model.apps.Deployment;
+import io.quarkus.builder.Version;
+import io.quarkus.maven.dependency.Dependency;
+import io.quarkus.test.ProdBuildResults;
+import io.quarkus.test.ProdModeTestResults;
+import io.quarkus.test.QuarkusProdModeTest;
+
+public class OpenshiftWithEnvFromConfigMapWithPrefixTest {
+
+    @RegisterExtension
+    static final QuarkusProdModeTest config = new QuarkusProdModeTest()
+            .withApplicationRoot((jar) -> jar.addClasses(GreetingResource.class))
+            .setApplicationName("env-from-config-map-with-prefix")
+            .setApplicationVersion("0.1-SNAPSHOT")
+            .withConfigurationResource("openshift-with-env-from-configmap-with-prefix.properties")
+            .overrideConfigKey("quarkus.openshift.deployment-kind", "Deployment")
+            .setForcedDependencies(List.of(Dependency.of("io.quarkus", "quarkus-openshift", Version.getVersion())));
+
+    @ProdBuildResults
+    private ProdModeTestResults prodModeTestResults;
+
+    @Test
+    public void assertGeneratedResources() throws IOException {
+        Path kubernetesDir = prodModeTestResults.getBuildDir().resolve("kubernetes");
+        assertThat(kubernetesDir)
+                .isDirectoryContaining(p -> p.getFileName().endsWith("openshift.json"))
+                .isDirectoryContaining(p -> p.getFileName().endsWith("openshift.yml"));
+        List<HasMetadata> kubernetesList = DeserializationUtil
+                .deserializeAsList(kubernetesDir.resolve("openshift.yml"));
+        assertThat(kubernetesList).filteredOn(i -> i instanceof Deployment).singleElement()
+                .isInstanceOfSatisfying(Deployment.class, d -> {
+                    assertThat(d.getMetadata()).satisfies(m -> {
+                        assertThat(m.getName()).isEqualTo("env-from-config-map-with-prefix");
+                    });
+
+                    assertThat(d.getSpec()).satisfies(deploymentSpec -> {
+                        assertThat(deploymentSpec.getTemplate()).satisfies(t -> {
+                            assertThat(t.getSpec()).satisfies(podSpec -> {
+                                assertThat(podSpec.getContainers()).singleElement().satisfies(container -> {
+
+                                    assertThat(container.getEnvFrom()).satisfies(env -> {
+
+                                        assertThat(env).anyMatch(item -> item.getPrefix().equals("QUARKUS") &&
+                                                item.getConfigMapRef().getName().equals("my-config-map"));
+
+                                    });
+                                });
+                            });
+                        });
+                    });
+                });
+    }
+}

integration-tests/kubernetes/quarkus-standard-way/src/test/resources/openshift-with-env-from-configmap-with-prefix.properties

@@ -0,0 +1,3 @@
+quarkus.openshift.env.configmaps=my-config-map,another-config-map
+quarkus.openshift.env.using-prefix."QUARKUS".for-configmap=my-config-map
+quarkus.openshift.env.using-prefix."QUARKIVERSE".for-configmap=another-config-map