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images.go
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images.go
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package openshiftapiserver
import (
"fmt"
"github.com/golang/glog"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime/schema"
kapi "k8s.io/kubernetes/pkg/apis/core"
coreinternalinformer "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion/core/internalversion"
imageadmission "github.com/openshift/origin/pkg/image/apiserver/admission/limitrange"
)
func ImageLimitVerifier(limitRangeInformer coreinternalinformer.LimitRangeInformer) imageadmission.LimitVerifier {
// this call just forces the informer to be registered
limitRangeInformer.Informer()
return imageadmission.NewLimitVerifier(imageadmission.LimitRangesForNamespaceFunc(func(ns string) ([]*kapi.LimitRange, error) {
list, err := limitRangeInformer.Lister().LimitRanges(ns).List(labels.Everything())
if err != nil {
return nil, err
}
// the verifier must return an error
if len(list) == 0 && len(limitRangeInformer.Informer().LastSyncResourceVersion()) == 0 {
glog.V(4).Infof("LimitVerifier still waiting for ranges to load: %#v", limitRangeInformer.Informer())
forbiddenErr := apierrors.NewForbidden(schema.GroupResource{Resource: "limitranges"}, "", fmt.Errorf("the server is still loading limit information"))
forbiddenErr.ErrStatus.Details.RetryAfterSeconds = 1
return nil, forbiddenErr
}
return list, nil
}))
}