kie-issues-308: Operator driven service discovery API Phase2

    - Add the discovery of kubernetes Deployment, StatefulSet, and Ingress objects to the service discovery API.

controllers/discovery/discovery.go

@@ -1,16 +1,21 @@
-// Copyright 2023 Red Hat, Inc. and/or its affiliates
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
 
 package discovery
 
@@ -27,9 +32,6 @@ const (
 	KubernetesScheme = "kubernetes"
 	OpenshiftScheme  = "openshift"
 
-	// PortLabel well known label name to select a particular target port
-	PortLabel = "port"
-
 	// KubernetesDNSAddress use this output format with kubernetes services and pods to resolve to the corresponding
 	// kubernetes DNS name. see: https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/
 	KubernetesDNSAddress = "KubernetesDNSAddress"
@@ -57,6 +59,7 @@ type ResourceUri struct {
 	GVK          v1.GroupVersionKind
 	Namespace    string
 	Name         string
+	Port         string
 	CustomLabels map[string]string
 }
 
@@ -166,11 +169,12 @@ func (r *ResourceUri) GetLabel(name string) string {
 }
 
 func (r *ResourceUri) SetPort(value string) *ResourceUri {
-	return r.AddLabel(PortLabel, value)
+	r.Port = value
+	return r
 }
 
 func (r *ResourceUri) GetPort() string {
-	return r.GetLabel(PortLabel)
+	return r.Port
 }
 
 func (r *ResourceUri) String() string {