Add kroxylicious.io namespace to route label (kroxylicious#3540)

This will help users to identify that the label is owned by our
operator.

Signed-off-by: Robert Young <robertyoungnz@gmail.com>

Author: robobario

kroxylicious-operator/src/main/java/io/kroxylicious/kubernetes/operator/model/RouteHostDetails.java

@@ -50,12 +50,18 @@ public record RouteHostDetails(
 
     /**
      * Label used to identify a {@link Route} target.
+     * <p>
+     * The Operator manifests the Routes for an Ingress + VirtualKafkaCluster and
+     * needs to react once the 'ingress[0].host' becomes available in the Routes' status.
+     * This label enables the reconciler to discriminate between the bootstrap route and
+     * the node routes when it is constructing the bootstrapAddress and advertisedBrokerAddressPattern
+     * for the Gateway of the VirtualKafkaCluster.
      */
     public enum RouteFor {
         BOOTSTRAP,
         NODE;
 
-        public static final String LABEL_KEY = "route-for";
+        public static final String LABEL_KEY = "kroxylicious.io/route-for";
 
         @Override
         public String toString() {

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/in-Route-one-0.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-0"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/in-Route-one-1.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-1"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/in-Route-one-2.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-2"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/in-Route-one-bootstrap.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "bootstrap"
+    kroxylicious.io/route-for: "bootstrap"
   name: "one-bootstrap"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/out-Route-one-0.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-0"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/out-Route-one-1.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-1"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/out-Route-one-2.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-2"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress-hosts-ready/out-Route-one-bootstrap.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "bootstrap"
+    kroxylicious.io/route-for: "bootstrap"
   name: "one-bootstrap"
   namespace: "proxy-ns"
   ownerReferences:

kroxylicious-operator/src/test/resources/DerivedResourcesTest/route-ingress/out-Route-one-0.yaml

@@ -17,7 +17,7 @@ metadata:
     app.kubernetes.io/name: "kroxylicious"
     app.kubernetes.io/component: "proxy"
     app.kubernetes.io/instance: "minimal"
-    route-for: "node"
+    kroxylicious.io/route-for: "node"
   name: "one-0"
   namespace: "proxy-ns"
   ownerReferences: