136 lines
2.6 KiB
Go
136 lines
2.6 KiB
Go
package kubernetes
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import (
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"encoding/json"
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"reflect"
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"sort"
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"strings"
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)
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func diffStringMap(pathPrefix string, oldV, newV map[string]interface{}) PatchOperations {
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ops := make([]PatchOperation, 0, 0)
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pathPrefix = strings.TrimRight(pathPrefix, "/")
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// This is suboptimal for adding whole new map from scratch
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// or deleting the whole map, but it's actually intention.
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// There may be some other map items managed outside of TF
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// and we don't want to touch these.
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for k, _ := range oldV {
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if _, ok := newV[k]; ok {
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continue
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}
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ops = append(ops, &RemoveOperation{Path: pathPrefix + "/" + k})
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}
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for k, v := range newV {
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newValue := v.(string)
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if oldValue, ok := oldV[k].(string); ok {
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if oldValue == newValue {
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continue
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}
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ops = append(ops, &ReplaceOperation{
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Path: pathPrefix + "/" + k,
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Value: newValue,
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})
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continue
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}
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ops = append(ops, &AddOperation{
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Path: pathPrefix + "/" + k,
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Value: newValue,
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})
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}
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return ops
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}
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type PatchOperations []PatchOperation
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func (po PatchOperations) MarshalJSON() ([]byte, error) {
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var v []PatchOperation = po
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return json.Marshal(v)
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}
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func (po PatchOperations) Equal(ops []PatchOperation) bool {
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var v []PatchOperation = po
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sort.Slice(v, sortByPathAsc(v))
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sort.Slice(ops, sortByPathAsc(ops))
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return reflect.DeepEqual(v, ops)
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}
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func sortByPathAsc(ops []PatchOperation) func(i, j int) bool {
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return func(i, j int) bool {
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return ops[i].GetPath() < ops[j].GetPath()
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}
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}
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type PatchOperation interface {
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MarshalJSON() ([]byte, error)
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GetPath() string
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}
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type ReplaceOperation struct {
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Path string `json:"path"`
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Value interface{} `json:"value"`
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Op string `json:"op"`
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}
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func (o *ReplaceOperation) GetPath() string {
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return o.Path
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}
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func (o *ReplaceOperation) MarshalJSON() ([]byte, error) {
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o.Op = "replace"
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return json.Marshal(*o)
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}
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func (o *ReplaceOperation) String() string {
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b, _ := o.MarshalJSON()
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return string(b)
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}
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type AddOperation struct {
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Path string `json:"path"`
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Value interface{} `json:"value"`
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Op string `json:"op"`
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}
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func (o *AddOperation) GetPath() string {
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return o.Path
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}
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func (o *AddOperation) MarshalJSON() ([]byte, error) {
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o.Op = "add"
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return json.Marshal(*o)
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}
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func (o *AddOperation) String() string {
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b, _ := o.MarshalJSON()
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return string(b)
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}
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type RemoveOperation struct {
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Path string `json:"path"`
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Op string `json:"op"`
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}
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func (o *RemoveOperation) GetPath() string {
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return o.Path
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}
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func (o *RemoveOperation) MarshalJSON() ([]byte, error) {
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o.Op = "remove"
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return json.Marshal(*o)
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}
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func (o *RemoveOperation) String() string {
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b, _ := o.MarshalJSON()
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return string(b)
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}
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