feat: introduce build item to set port name

extensions/kubernetes/spi/src/main/java/io/quarkus/kubernetes/spi/KubernetesProbePortNameBuildItem.java

@@ -0,0 +1,19 @@
+package io.quarkus.kubernetes.spi;
+
+import io.quarkus.builder.item.SimpleBuildItem;
+
+/**
+ * A build item for selecting which port is going
+ */
+public class KubernetesProbePortNameBuildItem extends SimpleBuildItem {
+
+    private final String name;
+
+    public KubernetesProbePortNameBuildItem(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

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

@@ -2,6 +2,7 @@
 package io.quarkus.kubernetes.deployment;
 
 import static io.quarkus.kubernetes.deployment.Constants.DEFAULT_HTTP_PORT;
+import static io.quarkus.kubernetes.deployment.Constants.HTTP_PORT;
 import static io.quarkus.kubernetes.deployment.Constants.QUARKUS_ANNOTATIONS_BUILD_TIMESTAMP;
 import static io.quarkus.kubernetes.deployment.Constants.QUARKUS_ANNOTATIONS_COMMIT_ID;
 import static io.quarkus.kubernetes.deployment.Constants.QUARKUS_ANNOTATIONS_VCS_URL;
@@ -81,6 +82,7 @@
 import io.quarkus.kubernetes.spi.KubernetesJobBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesLabelBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesPortBuildItem;
+import io.quarkus.kubernetes.spi.KubernetesProbePortNameBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesRoleBindingBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesRoleBuildItem;
 
@@ -671,16 +673,28 @@ private static List<DecoratorBuildItem> createAnnotationDecorators(Optional<Proj
     }
 
     /**
+     * Create a decorator that sets the port to the http probe.
+     * The rules for setting the probe are the following:
+     * 1. if 'http-action-port' is set, use that.
+     * 2. if 'http-action-port-name' is set, use that to lookup the port value.
+     * 3. if a `KubernetesPorbePortBuild` is set, then use that to lookup the port.
+     * 4. if we still haven't found a port fallback to 8080.
+     *
      * @return a decorator for configures the port of the http action of the probe.
      */
     public static DecoratorBuildItem createProbeHttpPortDecorator(String name, String target, ProbeConfig probeConfig,
+            Optional<KubernetesProbePortNameBuildItem> portName,
             List<KubernetesPortBuildItem> ports) {
 
         //1. check if `httpActionPort` is defined
         //2. lookup port by `httpPortName`
         //3. fallback to DEFAULT_HTTP_PORT
+        String httpPortName = probeConfig.httpActionPortName
+                .or(() -> portName.map(KubernetesProbePortNameBuildItem::getName))
+                .orElse(HTTP_PORT);
+
         Integer port = probeConfig.httpActionPort
-                .orElse(ports.stream().filter(p -> probeConfig.httpActionPortName.equals(p.getName()))
+                .orElse(ports.stream().filter(p -> httpPortName.equals(p.getName()))
                         .map(KubernetesPortBuildItem::getPort).findFirst().orElse(DEFAULT_HTTP_PORT));
         return new DecoratorBuildItem(target, new ApplyHttpGetActionPortDecorator(name, name, port));
     }

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

@@ -59,6 +59,7 @@
 import io.quarkus.kubernetes.spi.KubernetesJobBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesLabelBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesPortBuildItem;
+import io.quarkus.kubernetes.spi.KubernetesProbePortNameBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesResourceMetadataBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesRoleBindingBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesRoleBuildItem;
@@ -176,6 +177,7 @@ public List<DecoratorBuildItem> createDecorators(ApplicationInfoBuildItem applic
             Optional<BaseImageInfoBuildItem> baseImage,
             Optional<ContainerImageInfoBuildItem> image,
             Optional<KubernetesCommandBuildItem> command,
+            Optional<KubernetesProbePortNameBuildItem> portName,
             List<KubernetesPortBuildItem> ports,
             Optional<KubernetesHealthLivenessPathBuildItem> livenessPath,
             Optional<KubernetesHealthReadinessPathBuildItem> readinessPath,
@@ -296,8 +298,9 @@ public List<DecoratorBuildItem> createDecorators(ApplicationInfoBuildItem applic
         }
 
         // Probe port handling
-        result.add(KubernetesCommonHelper.createProbeHttpPortDecorator(name, OPENSHIFT, config.livenessProbe, ports));
-        result.add(KubernetesCommonHelper.createProbeHttpPortDecorator(name, OPENSHIFT, config.readinessProbe, ports));
+        result.add(KubernetesCommonHelper.createProbeHttpPortDecorator(name, OPENSHIFT, config.livenessProbe, portName, ports));
+        result.add(
+                KubernetesCommonHelper.createProbeHttpPortDecorator(name, OPENSHIFT, config.readinessProbe, portName, ports));
 
         // Handle non-openshift builds
         if (deploymentKind == DeploymentResourceKind.DeploymentConfig

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

@@ -20,8 +20,8 @@ public class ProbeConfig {
     /**
      * The port name ot use for selecting the port to congiure for the http get.
      */
-    @ConfigItem(defaultValue = "http")
-    String httpActionPortName;
+    @ConfigItem
+    Optional<String> httpActionPortName;
 
     /**
      * The http path to use for the probe For this to work, the container port also

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

@@ -52,6 +52,7 @@
 import io.quarkus.kubernetes.spi.KubernetesJobBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesLabelBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesPortBuildItem;
+import io.quarkus.kubernetes.spi.KubernetesProbePortNameBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesResourceMetadataBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesRoleBindingBuildItem;
 import io.quarkus.kubernetes.spi.KubernetesRoleBuildItem;
@@ -132,6 +133,7 @@ public List<DecoratorBuildItem> createDecorators(ApplicationInfoBuildItem applic
             List<KubernetesAnnotationBuildItem> annotations,
             List<KubernetesLabelBuildItem> labels, List<KubernetesEnvBuildItem> envs,
             Optional<ContainerImageInfoBuildItem> image, Optional<KubernetesCommandBuildItem> command,
+            Optional<KubernetesProbePortNameBuildItem> portName,
             List<KubernetesPortBuildItem> ports, Optional<KubernetesHealthLivenessPathBuildItem> livenessPath,
             Optional<KubernetesHealthReadinessPathBuildItem> readinessPath, List<KubernetesRoleBuildItem> roles,
             List<KubernetesRoleBindingBuildItem> roleBindings, Optional<CustomProjectRootBuildItem> customProjectRoot,
@@ -244,8 +246,10 @@ public List<DecoratorBuildItem> createDecorators(ApplicationInfoBuildItem applic
         }
 
         // Probe port handling
-        result.add(KubernetesCommonHelper.createProbeHttpPortDecorator(name, KUBERNETES, config.livenessProbe, ports));
-        result.add(KubernetesCommonHelper.createProbeHttpPortDecorator(name, KUBERNETES, config.readinessProbe, ports));
+        result.add(
+                KubernetesCommonHelper.createProbeHttpPortDecorator(name, KUBERNETES, config.livenessProbe, portName, ports));
+        result.add(
+                KubernetesCommonHelper.createProbeHttpPortDecorator(name, KUBERNETES, config.readinessProbe, portName, ports));
 
         // Handle remote debug configuration
         if (config.remoteDebug.enabled) {