Feature: Fully Qualified App Name (#86)

* app name functions and refactored devfile registry labels function for app name getter changes

Signed-off-by: Michael Valdron <[email protected]>

* truncateName & LabelsForDevfileRegistry test cases

Signed-off-by: Michael Valdron <[email protected]>

* app name getter test cases

Signed-off-by: Michael Valdron <[email protected]>

* refactor naming.go functions to use fully qualified app name instead of CR name

Signed-off-by: Michael Valdron <[email protected]>

* change truncated length of app full name part of configmap name to add space for suffix part

Signed-off-by: Michael Valdron <[email protected]>

* naming function getter test cases

Signed-off-by: Michael Valdron <[email protected]>

* truncateName & truncateNameLengthN comment blocks

Signed-off-by: Michael Valdron <[email protected]>

* k8s ingress host name uses app full name rather than CR name to match OpenShift route url

Signed-off-by: Michael Valdron <[email protected]>

* fix full name contains case

Signed-off-by: Michael Valdron <[email protected]>

* fix given CR names in integration test cases to contain default app name devfile-registry

Signed-off-by: Michael Valdron <[email protected]>

---------

Signed-off-by: Michael Valdron <[email protected]>

Author: michael-valdron

controllers/devfileregistry_controller.go

@@ -94,7 +94,7 @@ func (r *DevfileRegistryReconciler) Reconcile(ctx context.Context, req ctrl.Requ
 	}
 
 	// Generate labels for any subresources generated by the operator
-	labels := registry.LabelsForDevfileRegistry(devfileRegistry.Name)
+	labels := registry.LabelsForDevfileRegistry(devfileRegistry)
 
 	log.Info("Deploying registry")
 
@@ -141,7 +141,7 @@ func (r *DevfileRegistryReconciler) Reconcile(ctx context.Context, req ctrl.Requ
 
 		// Get the hostname of the generated devfile route
 		devfilesRoute := &routev1.Route{}
-		err = r.Get(ctx, types.NamespacedName{Name: registry.IngressName(devfileRegistry.Name), Namespace: devfileRegistry.Namespace}, devfilesRoute)
+		err = r.Get(ctx, types.NamespacedName{Name: registry.IngressName(devfileRegistry), Namespace: devfileRegistry.Namespace}, devfilesRoute)
 		if err != nil {
 			// Log an error, but requeue, as the controller's cached kube client likely hasn't registered the new route yet.
 			// See https://github.com/operator-framework/operator-sdk/issues/4013#issuecomment-707267616 for an explanation on why we requeue rather than error out here

controllers/ensure.go

@@ -36,7 +36,7 @@ import (
 
 func (r *DevfileRegistryReconciler) ensure(ctx context.Context, cr *registryv1alpha1.DevfileRegistry, resource client.Object, labels map[string]string, ingressDomain string) (*reconcile.Result, error) {
 	resourceType := reflect.TypeOf(resource).Elem().Name()
-	resourceName := getResourceName(resource, cr.Name)
+	resourceName := getResourceName(resource, cr)
 	//use the controller log
 	// Check to see if the requested resource exists on the cluster. If it doesn't exist, create it and return.
 	err := r.Get(ctx, types.NamespacedName{Name: resourceName, Namespace: cr.Namespace}, resource)
@@ -74,20 +74,20 @@ func (r *DevfileRegistryReconciler) ensure(ctx context.Context, cr *registryv1al
 	return nil, nil
 }
 
-func getResourceName(resource runtime.Object, crName string) string {
+func getResourceName(resource runtime.Object, cr *registryv1alpha1.DevfileRegistry) string {
 	switch resource.(type) {
 	case *appsv1.Deployment:
-		return registry.DeploymentName(crName)
+		return registry.DeploymentName(cr)
 	case *corev1.ConfigMap:
-		return registry.ConfigMapName(crName)
+		return registry.ConfigMapName(cr)
 	case *corev1.PersistentVolumeClaim:
-		return registry.PVCName(crName)
+		return registry.PVCName(cr)
 	case *corev1.Service:
-		return registry.ServiceName(crName)
+		return registry.ServiceName(cr)
 	case *routev1.Route, *networkingv1.Ingress:
-		return registry.IngressName(crName)
+		return registry.IngressName(cr)
 	}
-	return registry.GenericResourceName(crName)
+	return registry.GenericResourceName(cr)
 }
 
 func (r *DevfileRegistryReconciler) generateResourceObject(cr *registryv1alpha1.DevfileRegistry, resource client.Object, labels map[string]string, ingressDomain string) client.Object {

controllers/update.go

@@ -197,7 +197,7 @@ func (r *DevfileRegistryReconciler) deleteOldPVCIfNeeded(ctx context.Context, cr
 	// Check to see if a PVC exists, if so, need to clean it up because storage was disabled
 	if !registry.IsStorageEnabled(cr) {
 		pvc := &corev1.PersistentVolumeClaim{}
-		err := r.Get(ctx, types.NamespacedName{Name: registry.PVCName(cr.Name), Namespace: cr.Namespace}, pvc)
+		err := r.Get(ctx, types.NamespacedName{Name: registry.PVCName(cr), Namespace: cr.Namespace}, pvc)
 		if err != nil {
 			if errors.IsNotFound(err) {
 				// PVC not found, so there's no old PVC to delete. Just return nil, nothing to do.

pkg/registry/configmap.go

@@ -59,7 +59,7 @@ DEVFILE_REGISTRIES=[{"name":"%s","url":"http://localhost:8080","fqdn":"%s"}]`,
 	configMapData[".env.registry-viewer"] = viewerEnvfile
 
 	cm := &corev1.ConfigMap{
-		ObjectMeta: generateObjectMeta(ConfigMapName(cr.Name), cr.Namespace, labels),
+		ObjectMeta: generateObjectMeta(ConfigMapName(cr), cr.Namespace, labels),
 		Data:       configMapData,
 	}
 

pkg/registry/constants.go

@@ -0,0 +1,19 @@
+//
+//
+// Copyright Red Hat
+//
+// 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.
+
+package registry
+
+const maxTruncLength = 63

pkg/registry/defaults.go

@@ -17,6 +17,9 @@
 package registry
 
 import (
+	"fmt"
+	"strings"
+
 	registryv1alpha1 "github.com/devfile/registry-operator/api/v1alpha1"
 	corev1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -65,6 +68,9 @@ const (
 	DefaultHostnameOverride = ""
 	DefaultNameOverride     = ""
 	DefaultFullnameOverride = ""
+
+	// App name default
+	DefaultAppName = "devfile-registry"
 )
 
 // GetRegistryViewerImage returns the container image for the registry viewer to be deployed on the Devfile Registry.
@@ -159,7 +165,7 @@ func GetDevfileRegistryVolumeSource(cr *registryv1alpha1.DevfileRegistry) corev1
 	if IsStorageEnabled(cr) {
 		return corev1.VolumeSource{
 			PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{
-				ClaimName: PVCName(cr.Name),
+				ClaimName: PVCName(cr),
 			},
 		}
 	}
@@ -251,3 +257,44 @@ func getDevfileRegistrySpecContainer(quantity string, defaultValue string) resou
 	}
 	return resource.MustParse(defaultValue)
 }
+
+// getAppName returns app name of a devfile registry
+// truncated to 63 characters max, if `DevfileRegistry.NameOverride`
+// is set it will return the override name truncated to 63 characters max
+func getAppName(cr *registryv1alpha1.DevfileRegistry) string {
+	if cr != nil {
+		nameOverride := GetNameOverride(cr)
+
+		if nameOverride == DefaultNameOverride {
+			return truncateName(DefaultAppName)
+		}
+
+		return truncateName(nameOverride)
+	}
+
+	return truncateName(DefaultAppName)
+}
+
+// getAppFullName returns fully qualified app name of a devfile registry
+// truncated to 63 characters max, if `DevfileRegistry.FullnameOverride`
+// is set it will return the override name truncated to 63 characters max
+func getAppFullName(cr *registryv1alpha1.DevfileRegistry) string {
+	if cr != nil {
+		fullNameOverride := GetFullnameOverride(cr)
+
+		if fullNameOverride == DefaultFullnameOverride {
+			appName := getAppName(cr)
+			if cr.Name == "" {
+				return truncateName(appName)
+			} else if strings.Contains(cr.Name, appName) {
+				return truncateName(cr.Name)
+			} else {
+				return truncateName(fmt.Sprintf("%s-%s", cr.Name, appName))
+			}
+		}
+
+		return truncateName(fullNameOverride)
+	}
+
+	return truncateName(DefaultAppName)
+}