/
mutator.go
70 lines (55 loc) · 2 KB
/
mutator.go
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package backupvolume
import (
"fmt"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/runtime"
admissionregv1 "k8s.io/api/admissionregistration/v1"
"github.com/longhorn/longhorn-manager/datastore"
"github.com/longhorn/longhorn-manager/webhook/admission"
"github.com/longhorn/longhorn-manager/webhook/common"
longhorn "github.com/longhorn/longhorn-manager/k8s/pkg/apis/longhorn/v1beta2"
werror "github.com/longhorn/longhorn-manager/webhook/error"
)
type backupVolumeMutator struct {
admission.DefaultMutator
ds *datastore.DataStore
}
func NewMutator(ds *datastore.DataStore) admission.Mutator {
return &backupVolumeMutator{ds: ds}
}
func (b *backupVolumeMutator) Resource() admission.Resource {
return admission.Resource{
Name: "backupvolumes",
Scope: admissionregv1.NamespacedScope,
APIGroup: longhorn.SchemeGroupVersion.Group,
APIVersion: longhorn.SchemeGroupVersion.Version,
ObjectType: &longhorn.BackupVolume{},
OperationTypes: []admissionregv1.OperationType{
admissionregv1.Create,
admissionregv1.Update,
},
}
}
func (b *backupVolumeMutator) Create(request *admission.Request, newObj runtime.Object) (admission.PatchOps, error) {
return mutate(newObj)
}
func (b *backupVolumeMutator) Update(request *admission.Request, oldObj runtime.Object, newObj runtime.Object) (admission.PatchOps, error) {
return mutate(newObj)
}
// mutate contains functionality shared by Create and Update.
func mutate(newObj runtime.Object) (admission.PatchOps, error) {
backupVolume, ok := newObj.(*longhorn.BackupVolume)
if !ok {
return nil, werror.NewInvalidError(fmt.Sprintf("%v is not a *longhorn.BackupVolume", newObj), "")
}
var patchOps admission.PatchOps
patchOp, err := common.GetLonghornFinalizerPatchOpIfNeeded(backupVolume)
if err != nil {
err := errors.Wrapf(err, "failed to get finalizer patch for backupVolume %v", backupVolume.Name)
return nil, werror.NewInvalidError(err.Error(), "")
}
if patchOp != "" {
patchOps = append(patchOps, patchOp)
}
return patchOps, nil
}