feat: replicating resources upon namespace creation (#2080)

* feat: replicating resources upon namespace creation

This feature enhances the (Global)TenantResource replication by
triggering a replication of resources upon a Namespace creation: this
speeds up the replication of resources without waiting for the
resyncPeriod that could be delayed for several reasons.

Signed-off-by: Dario Tranchitella <dario@tranchitella.eu>

* fix: addressing fix from github copilot

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Dario Tranchitella <dario@tranchitella.eu>

---------

Signed-off-by: Dario Tranchitella <dario@tranchitella.eu>
Co-authored-by: Oliver Bähler <26610571+oliverbaehler@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

pkg/api/processor/processor.go

@@ -9,6 +9,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	"github.com/projectcapsule/capsule/pkg/runtime/configuration"
+	"github.com/projectcapsule/capsule/pkg/runtime/gvk"
 )
 
 type Processor struct {
@@ -25,3 +26,15 @@ type ProcessorOptions struct {
 	Force            bool
 	Owner            *metav1.OwnerReference
 }
+
+// Scope narrows a reconciliation down to the items replicated into a
+// single Namespace of a single Tenant.
+type Scope struct {
+	Tenant    string
+	Namespace string
+}
+
+// Matches states whether the given resource identity belongs to the scope.
+func (s Scope) Matches(id gvk.ResourceID) bool {
+	return id.Tenant == s.Tenant && id.Namespace == s.Namespace
+}