Function Normalize

gitops-engine/pkg/diff/diff.go:889–918

(un *unstructured.Unstructured, opts ...Option)

}

func Normalize(un *unstructured.Unstructured, opts ...Option) {
	if un == nil {
		return
	}
	o := applyOptions(opts)

	// creationTimestamp is sometimes set to null in the config when exported (e.g. SealedSecrets)
	// Removing the field allows a cleaner diff.
	unstructured.RemoveNestedField(un.Object, "metadata", "creationTimestamp")

	gvk := un.GroupVersionKind()
	switch {
	case gvk.Group == "" && gvk.Kind == "Secret":
		NormalizeSecret(un, opts...)
	case gvk.Group == "rbac.authorization.k8s.io" && (gvk.Kind == "ClusterRole" || gvk.Kind == "Role"):
		normalizeRole(un, o)
	case gvk.Group == "" && gvk.Kind == "Endpoints":
		normalizeEndpoint(un, o)
	}

	// Skip the full normalization (ignoreDifferences + knownTypes) for server-side diff
	// In the case an ignoreDifferences field is required, it needs to be present in the config
	// before server-side diff is calculated and normalized before final comparison.
	if !o.skipFullNormalize {
		err := o.normalizer.Normalize(un)
		if err != nil {
			o.log.Error(err, fmt.Sprintf("Failed to normalize %s/%s/%s", un.GroupVersionKind(), un.GetNamespace(), un.GetName()))
		}
	}
}

// NormalizeSecret mutates the supplied object and encodes stringData to data, and converts nils to
// empty strings. If the object is not a secret, or is an invalid secret, then returns the same object.