mirror of
https://github.com/ceph/ceph-csi.git
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108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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 resource implements representations of k8s API resources as "unstructured" objects.
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package resource
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import (
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"strings"
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"sigs.k8s.io/kustomize/pkg/ifc"
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"sigs.k8s.io/kustomize/pkg/resid"
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"sigs.k8s.io/kustomize/pkg/types"
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)
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// Resource is map representation of a Kubernetes API resource object
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// paired with a GenerationBehavior.
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type Resource struct {
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ifc.Kunstructured
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options *types.GenArgs
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}
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// String returns resource as JSON.
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func (r *Resource) String() string {
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bs, err := r.MarshalJSON()
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if err != nil {
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return "<" + err.Error() + ">"
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}
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return strings.TrimSpace(string(bs)) + r.options.String()
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}
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// DeepCopy returns a new copy of resource
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func (r *Resource) DeepCopy() *Resource {
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return &Resource{
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Kunstructured: r.Kunstructured.Copy(),
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options: r.options,
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}
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}
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// Behavior returns the behavior for the resource.
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func (r *Resource) Behavior() types.GenerationBehavior {
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return r.options.Behavior()
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}
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// NeedAppendHash checks if the resource need a hash suffix
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func (r *Resource) NeedHashSuffix() bool {
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return r.options != nil && r.options.NeedsHashSuffix()
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}
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// Id returns the ResId for the resource.
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func (r *Resource) Id() resid.ResId {
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namespace, _ := r.GetFieldValue("metadata.namespace")
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return resid.NewResIdWithPrefixNamespace(r.GetGvk(), r.GetName(), "", namespace)
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}
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// Merge performs merge with other resource.
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func (r *Resource) Merge(other *Resource) {
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r.Replace(other)
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mergeConfigmap(r.Map(), other.Map(), r.Map())
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}
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// Replace performs replace with other resource.
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func (r *Resource) Replace(other *Resource) {
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r.SetLabels(mergeStringMaps(other.GetLabels(), r.GetLabels()))
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r.SetAnnotations(
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mergeStringMaps(other.GetAnnotations(), r.GetAnnotations()))
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r.SetName(other.GetName())
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r.options = other.options
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}
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// TODO: Add BinaryData once we sync to new k8s.io/api
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func mergeConfigmap(
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mergedTo map[string]interface{},
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maps ...map[string]interface{}) {
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mergedMap := map[string]interface{}{}
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for _, m := range maps {
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datamap, ok := m["data"].(map[string]interface{})
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if ok {
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for key, value := range datamap {
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mergedMap[key] = value
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}
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}
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}
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mergedTo["data"] = mergedMap
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}
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func mergeStringMaps(maps ...map[string]string) map[string]string {
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result := map[string]string{}
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for _, m := range maps {
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for key, value := range m {
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result[key] = value
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}
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}
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return result
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}
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