77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
package dynamic
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import (
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"encoding/json"
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"fmt"
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"reflect"
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)
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// +k8s:deepcopy-gen=false
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// PluginConf holds the plugin configuration.
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type PluginConf map[string]any
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// DeepCopyInto is a deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *PluginConf) DeepCopyInto(out *PluginConf) {
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if in == nil {
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*out = nil
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} else {
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*out = deepCopyJSON(*in)
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}
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}
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// DeepCopy is a deepcopy function, copying the receiver, creating a new PluginConf.
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func (in *PluginConf) DeepCopy() *PluginConf {
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if in == nil {
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return nil
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}
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out := new(PluginConf)
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in.DeepCopyInto(out)
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return out
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}
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// inspired by https://github.com/kubernetes/apimachinery/blob/53ecdf01b997ca93c7db7615dfe7b27ad8391983/pkg/runtime/converter.go#L607
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func deepCopyJSON(x map[string]any) map[string]any {
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return deepCopyJSONValue(x).(map[string]any)
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}
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func deepCopyJSONValue(x any) any {
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switch x := x.(type) {
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case map[string]any:
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if x == nil {
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// Typed nil - an any that contains a type map[string]any with a value of nil
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return x
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}
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clone := make(map[string]any, len(x))
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for k, v := range x {
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clone[k] = deepCopyJSONValue(v)
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}
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return clone
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case []any:
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if x == nil {
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// Typed nil - an any that contains a type []any with a value of nil
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return x
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}
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clone := make([]any, len(x))
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for i, v := range x {
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clone[i] = deepCopyJSONValue(v)
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}
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return clone
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case string, int64, bool, float64, nil, json.Number:
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return x
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default:
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v := reflect.ValueOf(x)
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if v.NumMethod() == 0 {
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panic(fmt.Errorf("cannot deep copy %T", x))
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}
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method := v.MethodByName("DeepCopy")
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if method.Kind() == reflect.Invalid {
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panic(fmt.Errorf("cannot deep copy %T", x))
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}
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call := method.Call(nil)
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return call[0].Interface()
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}
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}
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