/
deletions.go
54 lines (48 loc) · 1.9 KB
/
deletions.go
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package applicationcontroller
import (
"context"
"fmt"
applicationsamplev1beta1 "github.com/nheidloff/operator-sample-go/operator-application/api/v1beta1"
databasesamplev1alpha1 "github.com/nheidloff/operator-sample-go/operator-database/api/v1alpha1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
func (reconciler *ApplicationReconciler) finalizeApplication(ctx context.Context, application *applicationsamplev1beta1.Application) error {
database := &databasesamplev1alpha1.Database{}
err := reconciler.Get(ctx, types.NamespacedName{Name: application.Spec.DatabaseName, Namespace: application.Spec.DatabaseNamespace}, database)
if err != nil {
if errors.IsNotFound(err) {
return nil
}
}
return fmt.Errorf("Database not deleted yet")
}
func (reconciler *ApplicationReconciler) addFinalizer(ctx context.Context, application *applicationsamplev1beta1.Application) (ctrl.Result, error) {
if !controllerutil.ContainsFinalizer(application, finalizer) {
controllerutil.AddFinalizer(application, finalizer)
err := reconciler.Update(ctx, application)
if err != nil {
return ctrl.Result{}, err
}
}
return ctrl.Result{}, nil
}
func (reconciler *ApplicationReconciler) tryDeletions(ctx context.Context, application *applicationsamplev1beta1.Application) (ctrl.Result, error) {
isApplicationMarkedToBeDeleted := application.GetDeletionTimestamp() != nil
if isApplicationMarkedToBeDeleted {
if controllerutil.ContainsFinalizer(application, finalizer) {
if err := reconciler.finalizeApplication(ctx, application); err != nil {
return ctrl.Result{}, err
}
controllerutil.RemoveFinalizer(application, finalizer)
err := reconciler.Update(ctx, application)
if err != nil {
return ctrl.Result{}, err
}
}
return ctrl.Result{}, nil
}
return ctrl.Result{}, nil
}