mirror of https://github.com/k3s-io/k3s
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package api
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import (
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"fmt"
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"regexp"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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)
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var versionFromSelfLink = regexp.MustCompile("/api/([^/]*)/")
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// GetReference returns an ObjectReference which refers to the given
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// object, or an error if the object doesn't follow the conventions
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// that would allow this.
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func GetReference(obj runtime.Object) (*ObjectReference, error) {
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jsonBase, err := runtime.FindJSONBase(obj)
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if err != nil {
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return nil, err
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}
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_, kind, err := Scheme.ObjectVersionAndKind(obj)
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if err != nil {
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return nil, err
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}
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version := versionFromSelfLink.FindStringSubmatch(jsonBase.SelfLink())
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if len(version) < 2 {
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return nil, fmt.Errorf("unexpected self link format: %v", jsonBase.SelfLink())
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}
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return &ObjectReference{
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Kind: kind,
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APIVersion: version[1],
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// TODO: correct Name and UID when JSONBase makes a distinction
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Name: jsonBase.ID(),
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UID: jsonBase.ID(),
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ResourceVersion: jsonBase.ResourceVersion(),
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}, nil
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}
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