Merge pull request #72947 from apelisse/wip-feature-serverside-apply-merge

Merge feature-serverside-apply back in master

Kubernetes-commit: 2a5a41a08b08075aa2960170c8342d974ccc2cd3

vendor/k8s.io/apimachinery/pkg/api/errors/errors.go

@@ -27,6 +27,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/validation/field"
+	"sigs.k8s.io/structured-merge-diff/merge"
 )
 
 const (
@@ -184,6 +185,29 @@ func NewConflict(qualifiedResource schema.GroupResource, name string, err error)
 	}}
 }
 
+// NewApplyConflict returns an error including details on the requests apply conflicts
+func NewApplyConflict(conflicts merge.Conflicts) *StatusError {
+	causes := make([]metav1.StatusCause, 0, len(conflicts))
+	for _, conflict := range conflicts {
+		causes = append(causes, metav1.StatusCause{
+			Type:    metav1.CauseType("conflict"),
+			Message: conflict.Error(),
+			Field:   conflict.Path.String(),
+		})
+	}
+
+	return &StatusError{ErrStatus: metav1.Status{
+		Status: metav1.StatusFailure,
+		Code:   http.StatusConflict,
+		Reason: metav1.StatusReasonConflict,
+		Details: &metav1.StatusDetails{
+			// TODO: Get obj details here?
+			Causes: causes,
+		},
+		Message: fmt.Sprintf("Apply failed with %d conflicts: %s", len(conflicts), conflicts.Error()),
+	}}
+}
+
 // NewGone returns an error indicating the item no longer available at the server and no forwarding address is known.
 func NewGone(message string) *StatusError {
 	return &StatusError{metav1.Status{