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Fix deep copy methods (#2651)

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* Fix deep copy methods

Signed-off-by: Kumar Mallikarjuna <kumarmallikarjuna1@gmail.com>

* Implemented deep copy for apiextensions.JSON

Signed-off-by: Kumar Mallikarjuna <kumarmallikarjuna1@gmail.com>

* Resolve redundant type assertions

Signed-off-by: Kumar Mallikarjuna <kumarmallikarjuna1@gmail.com>
This commit is contained in:
Kumar Mallikarjuna 2021-11-02 10:18:02 +05:30 • committed by GitHub
parent 6c46ffffd9
commit 57d32e4883
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 157 additions and 15 deletions
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158
api/kyverno/v1/utils.go
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@ -149,11 +149,64 @@ func deserializePattern(pattern apiextensions.JSON) ([]interface{}, error) {
return res, nil
}
func jsonDeepCopy(in apiextensions.JSON) *apiextensions.JSON {
if in == nil {
return nil
}
out := new(apiextensions.JSON)
switch in := in.(type) {
case bool, int64, float64, string:
*out = in
case []interface{}:
out_tmp := make([]interface{}, len(in))
for i, v := range in {
out_tmp[i] = *jsonDeepCopy(v)
}
*out = out_tmp
case map[string]interface{}:
out_tmp := make(map[string]interface{})
for i, v := range in {
out_tmp[i] = *jsonDeepCopy(v)
}
*out = out_tmp
}
return out
}
// DeepCopyInto is declared because k8s:deepcopy-gen is
// not able to generate this method for interface{} member
func (in *Mutation) DeepCopyInto(out *Mutation) {
if out != nil {
if out == nil {
return
}
*out = *in
if in.Overlay != nil {
out.Overlay = *jsonDeepCopy(in.Overlay)
}
if in.Patches != nil {
out.Patches = make([]Patch, len(in.Patches))
for i, v := range in.Patches {
v.DeepCopyInto(&out.Patches[i])
}
}
if out.PatchStrategicMerge != nil {
out.PatchStrategicMerge = *jsonDeepCopy(in.PatchStrategicMerge)
}
if in.ForEachMutation != nil {
out.ForEachMutation = make([]*ForEachMutation, len(in.ForEachMutation))
for i, v := range in.ForEachMutation {
out.ForEachMutation[i] = v.DeepCopy()
}
}
}
@ -165,40 +218,129 @@ func (in *Mutation) DeepCopyInto(out *Mutation) {
// Also see: https://github.com/kyverno/kyverno/pull/2000
func (pp *Patch) DeepCopyInto(out *Patch) {
if out != nil {
if out == nil {
return
}
*out = *pp
if pp.Value != nil {
out.Value = *jsonDeepCopy(pp.Value)
}
}
func (in *Validation) DeepCopyInto(out *Validation) {
if out != nil {
if out == nil {
return
}
*out = *in
if in.ForEachValidation != nil {
out.ForEachValidation = make([]*ForEachValidation, len(in.ForEachValidation))
for i, v := range in.ForEachValidation {
out.ForEachValidation[i] = v.DeepCopy()
}
}
if in.Pattern != nil {
out.Pattern = *jsonDeepCopy(in.Pattern)
}
if in.AnyPattern != nil {
out.AnyPattern = *jsonDeepCopy(in.AnyPattern)
}
if in.Deny != nil {
out.Deny = in.Deny.DeepCopy()
}
}
func (in *ForEachValidation) DeepCopyInto(out *ForEachValidation) {
if out != nil {
if out == nil {
return
}
*out = *in
if in.Context != nil {
in, out := &in.Context, &out.Context
*out = make([]ContextEntry, len(*in))
for i, v := range *in {
(*out)[i] = *v.DeepCopy()
}
}
if in.AnyAllConditions != nil {
out.AnyAllConditions = in.AnyAllConditions.DeepCopy()
}
if in.Pattern != nil {
out.Pattern = *jsonDeepCopy(in.Pattern)
}
if in.AnyPattern != nil {
out.AnyPattern = *jsonDeepCopy(in.AnyPattern)
}
if in.Deny != nil {
out.Deny = in.Deny.DeepCopy()
}
}
func (in *ForEachMutation) DeepCopyInto(out *ForEachMutation) {
if out != nil {
if out == nil {
return
}
*out = *in
if in.Context != nil {
in, out := &in.Context, &out.Context
*out = make([]ContextEntry, len(*in))
for i, v := range *in {
(*out)[i] = *v.DeepCopy()
}
}
if in.AnyAllConditions != nil {
out.AnyAllConditions = in.AnyAllConditions.DeepCopy()
}
if in.PatchStrategicMerge != nil {
out.PatchStrategicMerge = *jsonDeepCopy(in.PatchStrategicMerge)
}
}
func (gen *Generation) DeepCopyInto(out *Generation) {
if out != nil {
if out == nil {
return
}
*out = *gen
out.ResourceSpec = *gen.ResourceSpec.DeepCopy()
if out.Data != nil {
out.Data = *jsonDeepCopy(gen.Data)
}
}
func (cond *Condition) DeepCopyInto(out *Condition) {
if out != nil {
if out == nil {
return
}
*out = *cond
if cond.Key != nil {
out.Key = *jsonDeepCopy(cond.Key)
}
if cond.Value != nil {
out.Value = *jsonDeepCopy(cond.Value)
}
}
func (in *Deny) DeepCopyInto(out *Deny) {
if out == nil {
return
}
*out = *in
if in.AnyAllConditions != nil {
out.AnyAllConditions = in.AnyAllConditions
out.AnyAllConditions = *jsonDeepCopy(in.AnyAllConditions)
}
}
func (in *Rule) DeepCopyInto(out *Rule) {