feat(controller): support skipping rpaasinstance reconciliation w/ an…

…notation

controllers/controller.go

@@ -66,6 +66,8 @@ const (
 
 	externalDNSHostnameLabel = "external-dns.alpha.kubernetes.io/hostname"
 	externalDNSTTLLabel      = "external-dns.alpha.kubernetes.io/ttl"
+
+	skipReconcileLabel = "rpaas.extensions.tsuru.io/skip-reconcile"
 )
 
 var (

controllers/rpaasinstance_controller.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"reflect"
 	"sort"
+	"strconv"
 
 	"github.com/go-logr/logr"
 	cmv1 "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1"
@@ -58,7 +59,7 @@ type RpaasInstanceReconciler struct {
 // +kubebuilder:rbac:groups=extensions.tsuru.io,resources=rpaasinstances/status,verbs=get;update;patch
 
 func (r *RpaasInstanceReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
-	_ = r.Log.WithValues("rpaasinstance", req.NamespacedName)
+	l := r.Log.WithValues("rpaasinstance", req.NamespacedName)
 
 	instance, err := r.getRpaasInstance(ctx, req.NamespacedName)
 	if k8serrors.IsNotFound(err) {
@@ -70,6 +71,13 @@ func (r *RpaasInstanceReconciler) Reconcile(ctx context.Context, req ctrl.Reques
 		return reconcile.Result{}, err
 	}
 
+	if s, ok := instance.Annotations[skipReconcileLabel]; ok {
+		if skipped, _ := strconv.ParseBool(s); skipped {
+			l.Info(fmt.Sprintf("Skipping reconciliation as %s=true annotation was found in the resource", skipReconcileLabel))
+			return reconcile.Result{Requeue: true}, nil
+		}
+	}
+
 	planName := types.NamespacedName{
 		Name:      instance.Spec.PlanName,
 		Namespace: instance.Namespace,