mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-21 06:21:43 +00:00
111 lines
3.0 KiB
Go
111 lines
3.0 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
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import (
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"encoding/json"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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)
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// Resource is a Kubernetes Resource Object paired with a behavior.
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type Resource struct {
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unstruct *unstructured.Unstructured
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behavior string
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}
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// NewResource returns a new instance of Resource.
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func NewResource(u *unstructured.Unstructured, b string) *Resource {
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return &Resource{unstruct: u, behavior: b}
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}
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// NewBehaviorlessResource returns a new instance of Resource.
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func NewBehaviorlessResource(u *unstructured.Unstructured) *Resource {
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return &Resource{unstruct: u}
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}
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// Behavior returns the behavior for the resource.
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func (r *Resource) Behavior() string {
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return r.behavior
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}
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// Unstruct returns the unstructured object holding the resource.
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func (r *Resource) Unstruct() *unstructured.Unstructured {
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return r.unstruct
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}
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// SetUnstruct sets a new member.
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func (r *Resource) SetUnstruct(u *unstructured.Unstructured) {
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r.unstruct = u
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}
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// Id returns the ResId for the resource.
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func (r *Resource) Id() ResId {
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var empty ResId
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if r.unstruct == nil {
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return empty
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}
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gvk := r.unstruct.GroupVersionKind()
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return NewResId(gvk, r.unstruct.GetName())
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}
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func (r *Resource) Merge(other *Resource) {
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r.Replace(other)
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mergeConfigmap(r.unstruct.Object, other.unstruct.Object, r.unstruct.Object)
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}
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func (r *Resource) Replace(other *Resource) {
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r.unstruct.SetLabels(mergeStringMaps(other.unstruct.GetLabels(), r.unstruct.GetLabels()))
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r.unstruct.SetAnnotations(mergeStringMaps(other.unstruct.GetAnnotations(), r.unstruct.GetAnnotations()))
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r.unstruct.SetName(other.unstruct.GetName())
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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(mergedTo map[string]interface{}, 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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func newUnstructuredFromObject(in runtime.Object) (*unstructured.Unstructured, error) {
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marshaled, err := json.Marshal(in)
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if err != nil {
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return nil, err
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}
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var out unstructured.Unstructured
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err = out.UnmarshalJSON(marshaled)
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return &out, err
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}
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