/
syncer.go
72 lines (59 loc) · 2.62 KB
/
syncer.go
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package storageclasses
import (
"github.com/loft-sh/vcluster/pkg/constants"
synccontext "github.com/loft-sh/vcluster/pkg/controllers/syncer/context"
"github.com/loft-sh/vcluster/pkg/controllers/syncer/translator"
syncer "github.com/loft-sh/vcluster/pkg/types"
"github.com/loft-sh/vcluster/pkg/util/translate"
storagev1 "k8s.io/api/storage/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
var DefaultStorageClassAnnotation = "storageclass.kubernetes.io/is-default-class"
func New(ctx *synccontext.RegisterContext) (syncer.Object, error) {
return &storageClassSyncer{
Translator: translator.NewClusterTranslator(ctx, "storageclass", &storagev1.StorageClass{}, NewStorageClassTranslator(), DefaultStorageClassAnnotation),
}, nil
}
type storageClassSyncer struct {
translator.Translator
}
var _ syncer.IndicesRegisterer = &storageClassSyncer{}
func (s *storageClassSyncer) RegisterIndices(ctx *synccontext.RegisterContext) error {
return ctx.VirtualManager.GetFieldIndexer().IndexField(ctx.Context, &storagev1.StorageClass{}, constants.IndexByPhysicalName, func(rawObj client.Object) []string {
return []string{translateStorageClassName(rawObj.GetName())}
})
}
var _ syncer.Syncer = &storageClassSyncer{}
func (s *storageClassSyncer) Sync(ctx *synccontext.SyncContext, pObj client.Object, vObj client.Object) (ctrl.Result, error) {
// did the storage class change?
updated := s.translateUpdate(ctx.Context, pObj.(*storagev1.StorageClass), vObj.(*storagev1.StorageClass))
if updated != nil {
ctx.Log.Infof("updating physical storage class %s, because virtual storage class has changed", updated.Name)
translator.PrintChanges(pObj, updated, ctx.Log)
err := ctx.PhysicalClient.Update(ctx.Context, updated)
if err != nil {
return ctrl.Result{}, err
}
}
return ctrl.Result{}, nil
}
func (s *storageClassSyncer) SyncToHost(ctx *synccontext.SyncContext, vObj client.Object) (ctrl.Result, error) {
newStorageClass := s.translate(ctx.Context, vObj.(*storagev1.StorageClass))
ctx.Log.Infof("create physical storage class %s", newStorageClass.Name)
err := ctx.PhysicalClient.Create(ctx.Context, newStorageClass)
if err != nil {
ctx.Log.Infof("error syncing %s to physical cluster: %v", vObj.GetName(), err)
return ctrl.Result{}, err
}
return ctrl.Result{}, nil
}
func NewStorageClassTranslator() translate.PhysicalNameTranslator {
return func(vName string, _ client.Object) string {
return translateStorageClassName(vName)
}
}
func translateStorageClassName(name string) string {
// we have to prefix with vcluster as system is reserved
return translate.Default.PhysicalNameClusterScoped(name)
}