func MatchesTemplateClonedFrom()

in controllers/etcd_plane.go [182:209]

• 21 lines of code
• 7 McCabe index (conditional complexity)

func MatchesTemplateClonedFrom(infraConfigs map[string]*unstructured.Unstructured, ec *etcdv1.EtcdadmCluster) collections.Func {
	return func(machine *clusterv1.Machine) bool {
		if machine == nil {
			return false
		}
		infraObj, found := infraConfigs[machine.Name]
		if !found {
			// Return true here because failing to get infrastructure machine should not be considered as unmatching.
			return true
		}

		clonedFromName, ok1 := infraObj.GetAnnotations()[clusterv1.TemplateClonedFromNameAnnotation]
		clonedFromGroupKind, ok2 := infraObj.GetAnnotations()[clusterv1.TemplateClonedFromGroupKindAnnotation]
		if !ok1 || !ok2 {
			// All etcdadmCluster cloned infra machines should have this annotation.
			// Missing the annotation may be due to older version machines or adopted machines.
			// Should not be considered as mismatch.
			return true
		}

		// Check if the machine's infrastructure reference has been created from the current etcdadmCluster infrastructure template.
		if clonedFromName != ec.Spec.InfrastructureTemplate.Name ||
			clonedFromGroupKind != ec.Spec.InfrastructureTemplate.GroupVersionKind().GroupKind().String() {
			return false
		}
		return true
	}
}