/
prune.go
65 lines (54 loc) · 1.82 KB
/
prune.go
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package controllerhelpers
import (
"context"
"github.com/scylladb/scylla-operator/pkg/kubeinterfaces"
"github.com/scylladb/scylla-operator/pkg/resource"
"github.com/scylladb/scylla-operator/pkg/resourceapply"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
"k8s.io/client-go/tools/record"
"k8s.io/klog/v2"
)
type PruneControlInterface interface {
Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error
}
type PruneControlFuncs struct {
DeleteFunc func(ctx context.Context, name string, opts metav1.DeleteOptions) error
}
func (pcf *PruneControlFuncs) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
return pcf.DeleteFunc(ctx, name, opts)
}
var _ PruneControlInterface = &PruneControlFuncs{}
func Prune[T kubeinterfaces.ObjectInterface](ctx context.Context, requiredObjects []T, existingObjects map[string]T, control PruneControlInterface, eventRecorder record.EventRecorder) error {
var errs []error
for _, existing := range existingObjects {
if existing.GetDeletionTimestamp() != nil {
continue
}
isRequired := false
for _, required := range requiredObjects {
if existing.GetName() == required.GetName() {
isRequired = true
break
}
}
if isRequired {
continue
}
uid := existing.GetUID()
propagationPolicy := metav1.DeletePropagationBackground
klog.V(2).InfoS("Pruning resource", "GVK", resource.GetObjectGVKOrUnknown(existing), "Ref", klog.KObj(existing))
err := control.Delete(ctx, existing.GetName(), metav1.DeleteOptions{
Preconditions: &metav1.Preconditions{
UID: &uid,
},
PropagationPolicy: &propagationPolicy,
})
resourceapply.ReportDeleteEvent(eventRecorder, existing, err)
if err != nil {
errs = append(errs, err)
continue
}
}
return utilerrors.NewAggregate(errs)
}