import ( "k8s.io/kubernetes/pkg/util/validation/field" ) func validateObject(obj map[string]interface{}) error { path := field.NewPath("myObject") if obj == nil { return path.Required().Error() } return nil }
import ( "k8s.io/kubernetes/pkg/util/validation/field" ) func validateObject(obj map[string]interface{}) error { path := field.NewPath("myObject") if obj == nil { return path.Required().Error() } if _, ok := obj["foo"]; !ok { path = path.Child("foo") return path.Required().Error() } return nil }This example first validates that the required field `obj` exists, then checks if the field `foo` exists in the `obj` map. If the field is not present, we set an error message on the `foo` field path using the `Child()` function. In summary, the `k8s.io/kubernetes/pkg/util/validation/field` package is a library that provides functions for validating Kubernetes API objects and storing validation errors as object fields. It is part of the Kubernetes Go client library.