Add OCI registry configuration for template-controller

Signed-off-by: Andrei Pavlov <apavlov@mirantis.com>

cmd/main.go

@@ -61,6 +61,9 @@ func main() {
 	var probeAddr string
 	var secureMetrics bool
 	var enableHTTP2 bool
+	var defaultOCIRegistry string
+	var insecureRegistry bool
+
 	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
 	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
 	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
@@ -70,6 +73,9 @@ func main() {
 		"If set the metrics endpoint is served securely")
 	flag.BoolVar(&enableHTTP2, "enable-http2", false,
 		"If set, HTTP/2 will be enabled for the metrics and webhook servers")
+	flag.StringVar(&defaultOCIRegistry, "default-oci-registry", "oci://ghcr.io/Mirantis/hmc/charts",
+		"The default OCI registry to download Helm charts from.")
+	flag.BoolVar(&insecureRegistry, "insecure-registry", false, "Allow connecting to an HTTP registry.")
 	opts := zap.Options{
 		Development: true,
 	}
@@ -127,8 +133,10 @@ func main() {
 	}
 
 	if err = (&controller.TemplateReconciler{
-		Client: mgr.GetClient(),
-		Scheme: mgr.GetScheme(),
+		Client:             mgr.GetClient(),
+		Scheme:             mgr.GetScheme(),
+		DefaultOCIRegistry: defaultOCIRegistry,
+		InsecureRegistry:   insecureRegistry,
 	}).SetupWithManager(mgr); err != nil {
 		setupLog.Error(err, "unable to create controller", "controller", "Template")
 		os.Exit(1)

internal/controller/template_controller.go

@@ -37,7 +37,6 @@ import (
 const (
 	defaultRepoName = "hmc-templates"
 	defaultRepoType = "oci"
-	defaultRepoURL  = "oci://ghcr.io/Mirantis/hmc/charts"
 
 	defaultReconcileInterval = 10 * time.Minute
 )
@@ -46,6 +45,9 @@ const (
 type TemplateReconciler struct {
 	client.Client
 	Scheme *runtime.Scheme
+
+	DefaultOCIRegistry string
+	InsecureRegistry   bool
 }
 
 // +kubebuilder:rbac:groups=hmc.mirantis.com,resources=templates,verbs=get;list;watch;create;update;patch;delete
@@ -152,8 +154,9 @@ func (r *TemplateReconciler) reconcileHelmRepo(ctx context.Context, template *hm
 	_, err := ctrl.CreateOrUpdate(ctx, r.Client, helmRepo, func() error {
 		helmRepo.Spec = sourcev1.HelmRepositorySpec{
 			Type:     defaultRepoType,
-			URL:      defaultRepoURL,
+			URL:      r.DefaultOCIRegistry,
 			Interval: metav1.Duration{Duration: defaultReconcileInterval},
+			Insecure: r.InsecureRegistry,
 		}
 		return nil
 	})