diff options
Diffstat (limited to 'vendor/k8s.io/client-go/tools/reference/ref.go')
-rw-r--r-- | vendor/k8s.io/client-go/tools/reference/ref.go | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/vendor/k8s.io/client-go/tools/reference/ref.go b/vendor/k8s.io/client-go/tools/reference/ref.go deleted file mode 100644 index 58b60fd5d..000000000 --- a/vendor/k8s.io/client-go/tools/reference/ref.go +++ /dev/null @@ -1,122 +0,0 @@ -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package reference - -import ( - "errors" - "fmt" - "net/url" - "strings" - - "k8s.io/api/core/v1" - "k8s.io/apimachinery/pkg/api/meta" - metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" - "k8s.io/apimachinery/pkg/runtime" -) - -var ( - // Errors that could be returned by GetReference. - ErrNilObject = errors.New("can't reference a nil object") - ErrNoSelfLink = errors.New("selfLink was empty, can't make reference") -) - -// GetReference returns an ObjectReference which refers to the given -// object, or an error if the object doesn't follow the conventions -// that would allow this. -// TODO: should take a meta.Interface see http://issue.k8s.io/7127 -func GetReference(scheme *runtime.Scheme, obj runtime.Object) (*v1.ObjectReference, error) { - if obj == nil { - return nil, ErrNilObject - } - if ref, ok := obj.(*v1.ObjectReference); ok { - // Don't make a reference to a reference. - return ref, nil - } - - gvk := obj.GetObjectKind().GroupVersionKind() - - // if the object referenced is actually persisted, we can just get kind from meta - // if we are building an object reference to something not yet persisted, we should fallback to scheme - kind := gvk.Kind - if len(kind) == 0 { - // TODO: this is wrong - gvks, _, err := scheme.ObjectKinds(obj) - if err != nil { - return nil, err - } - kind = gvks[0].Kind - } - - // An object that implements only List has enough metadata to build a reference - var listMeta metav1.Common - objectMeta, err := meta.Accessor(obj) - if err != nil { - listMeta, err = meta.CommonAccessor(obj) - if err != nil { - return nil, err - } - } else { - listMeta = objectMeta - } - - // if the object referenced is actually persisted, we can also get version from meta - version := gvk.GroupVersion().String() - if len(version) == 0 { - selfLink := listMeta.GetSelfLink() - if len(selfLink) == 0 { - return nil, ErrNoSelfLink - } - selfLinkUrl, err := url.Parse(selfLink) - if err != nil { - return nil, err - } - // example paths: /<prefix>/<version>/* - parts := strings.Split(selfLinkUrl.Path, "/") - if len(parts) < 3 { - return nil, fmt.Errorf("unexpected self link format: '%v'; got version '%v'", selfLink, version) - } - version = parts[2] - } - - // only has list metadata - if objectMeta == nil { - return &v1.ObjectReference{ - Kind: kind, - APIVersion: version, - ResourceVersion: listMeta.GetResourceVersion(), - }, nil - } - - return &v1.ObjectReference{ - Kind: kind, - APIVersion: version, - Name: objectMeta.GetName(), - Namespace: objectMeta.GetNamespace(), - UID: objectMeta.GetUID(), - ResourceVersion: objectMeta.GetResourceVersion(), - }, nil -} - -// GetPartialReference is exactly like GetReference, but allows you to set the FieldPath. -func GetPartialReference(scheme *runtime.Scheme, obj runtime.Object, fieldPath string) (*v1.ObjectReference, error) { - ref, err := GetReference(scheme, obj) - if err != nil { - return nil, err - } - ref.FieldPath = fieldPath - return ref, nil -} |