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https://github.com/optim-enterprises-bv/kubernetes.git
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91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors 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 storage
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import (
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"fmt"
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"strconv"
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"k8s.io/kubernetes/pkg/api/meta"
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"k8s.io/kubernetes/pkg/api/validation"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/util/validation/field"
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)
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type SimpleUpdateFunc func(runtime.Object) (runtime.Object, error)
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// SimpleUpdateFunc converts SimpleUpdateFunc into UpdateFunc
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func SimpleUpdate(fn SimpleUpdateFunc) UpdateFunc {
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return func(input runtime.Object, _ ResponseMeta) (runtime.Object, *uint64, error) {
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out, err := fn(input)
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return out, nil, err
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}
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}
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// ParseWatchResourceVersion takes a resource version argument and converts it to
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// the etcd version we should pass to helper.Watch(). Because resourceVersion is
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// an opaque value, the default watch behavior for non-zero watch is to watch
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// the next value (if you pass "1", you will see updates from "2" onwards).
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func ParseWatchResourceVersion(resourceVersion string) (uint64, error) {
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if resourceVersion == "" || resourceVersion == "0" {
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return 0, nil
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}
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version, err := strconv.ParseUint(resourceVersion, 10, 64)
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if err != nil {
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return 0, NewInvalidError(field.ErrorList{
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// Validation errors are supposed to return version-specific field
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// paths, but this is probably close enough.
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field.Invalid(field.NewPath("resourceVersion"), resourceVersion, err.Error()),
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})
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}
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return version, nil
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}
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// ParseListResourceVersion takes a resource version argument and converts it to
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// the etcd version.
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func ParseListResourceVersion(resourceVersion string) (uint64, error) {
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if resourceVersion == "" {
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return 0, nil
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}
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version, err := strconv.ParseUint(resourceVersion, 10, 64)
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return version, err
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}
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func NamespaceKeyFunc(prefix string, obj runtime.Object) (string, error) {
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meta, err := meta.Accessor(obj)
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if err != nil {
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return "", err
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}
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name := meta.GetName()
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if msgs := validation.IsValidPathSegmentName(name); len(msgs) != 0 {
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return "", fmt.Errorf("invalid name: %v", msgs)
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}
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return prefix + "/" + meta.GetNamespace() + "/" + name, nil
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}
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func NoNamespaceKeyFunc(prefix string, obj runtime.Object) (string, error) {
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meta, err := meta.Accessor(obj)
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if err != nil {
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return "", err
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}
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name := meta.GetName()
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if msgs := validation.IsValidPathSegmentName(name); len(msgs) != 0 {
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return "", fmt.Errorf("invalid name: %v", msgs)
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}
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return prefix + "/" + name, nil
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}
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