ctx.Fatalf("failed to write iop cr file: %v", err)
	}

	return overrideValuesFile
}

var DefaultNamespaceConfig = NewNamespaceConfig()

func NewNamespaceConfig(config ...types.NamespacedName) NamespaceConfig {
	result := make(nsConfig, len(config))
	for _, c := range config {
		result[c.Name] = c.Namespace
	}
	return result
}

type nsConfig map[string]string

// override values file to the latest charts in $ISTIO_SRC/manifests
func upgradeCharts(ctx framework.TestContext, h *helm.Helm, overrideValuesFile string, nsConfig helmtest.NamespaceConfig, isAmbient bool) {
	execCmd := fmt.Sprintf(
		"kubectl apply -n %v -f %v",
		helmtest.IstioNamespace,
		filepath.Join(helmtest.ManifestsChartPath, helmtest.BaseChart, helmtest.CRDsFolder))