/
catalogsource_controller.go
92 lines (79 loc) · 2.93 KB
/
catalogsource_controller.go
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package catalogsource
import (
"context"
olmv1alpha1 "github.com/operator-framework/api/pkg/operators/v1alpha1"
"github.com/operator-framework/operator-marketplace/pkg/controller/options"
"github.com/operator-framework/operator-marketplace/pkg/defaults"
"github.com/operator-framework/operator-marketplace/pkg/operatorhub"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
)
// Add creates a new CatalogSource Controller and adds it to the Manager. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager, _ options.ControllerOptions) error {
return add(mgr, newReconciler(mgr))
}
func newReconciler(mgr manager.Manager) reconcile.Reconciler {
client := mgr.GetClient()
return &ReconcileCatalogSource{
client: client,
}
}
func add(mgr manager.Manager, r reconcile.Reconciler) error {
c, err := controller.New("catalogsource-controller", mgr, controller.Options{Reconciler: r})
if err != nil {
return err
}
defaultCatalogsources := defaults.GetGlobalCatalogSourceDefinitions()
pred := predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool {
return false
},
UpdateFunc: func(e event.UpdateEvent) bool {
if _, ok := defaultCatalogsources[e.ObjectOld.GetName()]; ok {
return true
}
return false
},
DeleteFunc: func(e event.DeleteEvent) bool {
if _, ok := defaultCatalogsources[e.Object.GetName()]; ok {
// If DeleteStateUnknown is true it implies that the Delete event was missed
// and we can ignore it.
if e.DeleteStateUnknown {
return false
}
return true
}
return false
},
GenericFunc: func(e event.GenericEvent) bool {
if _, ok := defaultCatalogsources[e.Object.GetName()]; ok {
return true
}
return false
},
}
err = c.Watch(source.Kind(mgr.GetCache(), &olmv1alpha1.CatalogSource{}), &handler.EnqueueRequestForObject{}, pred)
if err != nil {
return err
}
return nil
}
// blank assignment to verify that ReconcileOperatorHub implements reconcile.Reconciler
var _ reconcile.Reconciler = &ReconcileCatalogSource{}
// ReconcileCatalogSource reconciles a CatalogSource object
type ReconcileCatalogSource struct {
// This client, initialized using mgr.Client() above, is a split client
// that reads objects from the cache and writes to the apiserver
client client.Client
}
func (r *ReconcileCatalogSource) Reconcile(ctx context.Context, request reconcile.Request) (reconcile.Result, error) {
defaultCatalogsources := defaults.GetGlobalCatalogSourceDefinitions()
return reconcile.Result{}, defaults.New(defaultCatalogsources, operatorhub.GetSingleton().Get()).Ensure(ctx, r.client, request.Name)
}