51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
package helper
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import (
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"fmt"
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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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"github.com/karmada-io/karmada/pkg/util"
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)
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// ConvertToTypedObject converts an unstructured object to typed.
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func ConvertToTypedObject(in, out interface{}) error {
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if in == nil || out == nil {
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return fmt.Errorf("convert objects should not be nil")
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}
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switch v := in.(type) {
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case *unstructured.Unstructured:
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return runtime.DefaultUnstructuredConverter.FromUnstructured(v.UnstructuredContent(), out)
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case map[string]interface{}:
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return runtime.DefaultUnstructuredConverter.FromUnstructured(v, out)
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default:
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return fmt.Errorf("convert object must be pointer of unstructured or map[string]interface{}")
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}
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}
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// ApplyReplica applies the Replica value for the specific field.
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func ApplyReplica(workload *unstructured.Unstructured, desireReplica int64, field string) error {
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_, ok, err := unstructured.NestedInt64(workload.Object, util.SpecField, field)
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if err != nil {
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return err
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}
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if ok {
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err := unstructured.SetNestedField(workload.Object, desireReplica, util.SpecField, field)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// ToUnstructured converts a typed object to an unstructured object.
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func ToUnstructured(obj interface{}) (*unstructured.Unstructured, error) {
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uncastObj, err := runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
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if err != nil {
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return nil, err
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}
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return &unstructured.Unstructured{Object: uncastObj}, nil
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}
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