Files
cozystack/internal/controller/workload_controller.go
Timofei Larkin fea142774a Delete a Workload if the related object is absent
Signed-off-by: Timofei Larkin <lllamnyp@gmail.com>
2025-04-09 18:36:11 +03:00

88 lines
2.3 KiB
Go

package controller
import (
"context"
"strings"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
cozyv1alpha1 "github.com/cozystack/cozystack/api/v1alpha1"
)
// WorkloadMonitorReconciler reconciles a WorkloadMonitor object
type WorkloadReconciler struct {
client.Client
Scheme *runtime.Scheme
}
func (r *WorkloadReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
logger := log.FromContext(ctx)
w := &cozyv1alpha1.Workload{}
err := r.Get(ctx, req.NamespacedName, w)
if err != nil {
if apierrors.IsNotFound(err) {
return ctrl.Result{}, nil
}
logger.Error(err, "Unable to fetch Workload")
return ctrl.Result{}, err
}
// it's being deleted, nothing to handle
if w.DeletionTimestamp != nil {
return ctrl.Result{}, nil
}
t := getMonitoredObject(w)
err = r.Get(ctx, types.NamespacedName{Name: t.GetName(), Namespace: t.GetNamespace()}, t)
// found object, nothing to do
if err == nil {
return ctrl.Result{}, nil
}
// error getting object but not 404 -- requeue
if !apierrors.IsNotFound(err) {
logger.Error(err, "failed to get dependent object", "kind", t.GetObjectKind(), "dependent-object-name", t.GetName())
return ctrl.Result{}, err
}
err = r.Delete(ctx, w)
if err != nil {
logger.Error(err, "failed to delete workload")
}
return ctrl.Result{}, err
}
// SetupWithManager registers our controller with the Manager and sets up watches.
func (r *WorkloadReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
// Watch WorkloadMonitor objects
For(&cozyv1alpha1.Workload{}).
Complete(r)
}
func getMonitoredObject(w *cozyv1alpha1.Workload) client.Object {
if strings.HasPrefix(w.Name, "pvc-") {
obj := &corev1.PersistentVolumeClaim{}
obj.Name = strings.TrimPrefix(w.Name, "pvc-")
obj.Namespace = w.Namespace
return obj
}
if strings.HasPrefix(w.Name, "svc-") {
obj := &corev1.Service{}
obj.Name = strings.TrimPrefix(w.Name, "svc-")
obj.Namespace = w.Namespace
return obj
}
obj := &corev1.Pod{}
obj.Name = w.Name
obj.Namespace = w.Namespace
return obj
}