expose worker and apps using service type ClusterIP

Signed-off-by: Pascal Sthamer <10992664+P4sca1@users.noreply.github.com>

functions/onprem/worker/worker.go

@@ -489,13 +489,16 @@ func deployk8sApp(image string, identifier string, env []string) error {
 	name := strings.ReplaceAll(identifier, "_", "-")
 
 	labels := map[string]string{
-		"app.kubernetes.io/name":     "shuffle-app",
-		"app.kubernetes.io/instance": name,
-		// "app.kubernetes.io/version":    "",
+		// Well-known Kubernetes labels
+		"app.kubernetes.io/name":       "shuffle-app",
+		"app.kubernetes.io/instance":   name,
 		"app.kubernetes.io/part-of":    "shuffle",
 		"app.kubernetes.io/managed-by": "shuffle-worker",
 		// Keep legacy labels for backward compatibility
 		"app": name,
+		// TODO: Add Shuffle specific labels
+		// "app.shuffler.io/name":    "APP_NAME",
+		// "app.shuffler.io/version": "APP_VERSION",
 	}
 
 	matchLabels := map[string]string{
@@ -614,7 +617,6 @@ func deployk8sApp(image string, identifier string, env []string) error {
 		return err
 	}
 
-	// kubectl expose deployment {podName} --type=NodePort --port=80 --target-port=80
 	service := &corev1.Service{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:   name,
@@ -629,7 +631,7 @@ func deployk8sApp(image string, identifier string, env []string) error {
 					TargetPort: intstr.FromInt(80),
 				},
 			},
-			Type: corev1.ServiceTypeNodePort,
+			Type: corev1.ServiceTypeClusterIP,
 		},
 	}
 
@@ -917,7 +919,7 @@ func deployApp(cli *dockerclient.Client, image string, identifier string, env []
 	// Add more volume binds if possible
 	if len(volumeBinds) > 0 {
 
-		// Only use mounts, not direct binds 
+		// Only use mounts, not direct binds
 		hostConfig.Binds = []string{}
 		hostConfig.Mounts = []mount.Mount{}
 		for _, bind := range volumeBinds {
@@ -931,7 +933,7 @@ func deployApp(cli *dockerclient.Client, image string, identifier string, env []
 			sourceFolder := bindSplit[0]
 			destinationFolder := bindSplit[1]
 
-			readOnly := false 
+			readOnly := false
 			if len(bindSplit) > 2 {
 				mode := bindSplit[2]
 				if mode == "ro" {
@@ -940,9 +942,9 @@ func deployApp(cli *dockerclient.Client, image string, identifier string, env []
 			}
 
 			builtMount := mount.Mount{
-				Type:   mount.TypeBind,
-				Source: sourceFolder,
-				Target: destinationFolder,
+				Type:     mount.TypeBind,
+				Source:   sourceFolder,
+				Target:   destinationFolder,
 				ReadOnly: readOnly,
 			}
 
@@ -1853,18 +1855,18 @@ func executionInit(workflowExecution shuffle.WorkflowExecution) error {
 		}
 	}
 
-	// Validates RERUN of single actions 
-	// Identified by: 
+	// Validates RERUN of single actions
+	// Identified by:
 	// 1. Predefined result from previous exec
 	// 2. Only ONE action
 	// 3. Every predefined result having result.Action.Category == "rerun"
 	/*
-	if len(workflowExecution.Workflow.Actions) == 1 && len(workflowExecution.Results) > 0 {
-		finished := shuffle.ValidateFinished(ctx, extra, workflowExecution) 
-		if finished {
-			return nil 
+		if len(workflowExecution.Workflow.Actions) == 1 && len(workflowExecution.Results) > 0 {
+			finished := shuffle.ValidateFinished(ctx, extra, workflowExecution)
+			if finished {
+				return nil
+			}
 		}
-	}
 	*/
 
 	nextActions = append(nextActions, startAction)
@@ -1954,7 +1956,6 @@ func executionInit(workflowExecution shuffle.WorkflowExecution) error {
 		//log.Printf("Successfully downloaded and built %s", image)
 	}
 
-
 	visited := []string{}
 	executed := []string{}
 	environments := []string{}
@@ -3777,7 +3778,7 @@ func checkStandaloneRun() {
 	if !strings.Contains(backendUrl, "http") {
 		log.Printf("[ERROR] Backend URL should start with http:// or https://")
 		return
-	
+
 	}
 
 	// Format:
@@ -3851,7 +3852,7 @@ func checkStandaloneRun() {
 			continue
 		}
 
-		// This is to handle reruns of SINGLE actions 
+		// This is to handle reruns of SINGLE actions
 		if result.Action.Category == "rerun" {
 			newResults = append(newResults, result)
 			continue
@@ -3905,7 +3906,6 @@ func checkStandaloneRun() {
 
 	log.Printf("\n\n\n[DEBUG] Finished resetting execution %s. Body: %s. Starting execution.\n\n\n", newresp.Status, string(body))
 
-
 }
 
 // Initial loop etc