K8sServiceProtocol: c.k8sServiceProtocol,
				K8sServiceHost:     c.k8sServiceHost,
				K8sServicePort:     c.k8sServicePort,
				SkipTLSVerify:      c.skipTLSVerify,
			}
			result, err := createKubeConfig(cfg)
			if err != nil {
				if !c.expectedFailure {
					t.Fatalf("did not expect failure: %v", err)
				}
				// Successful test case expecting failure
				return
			} else if c.expectedFailure {

	"istio.io/istio/pkg/file"
)

type kubeconfig struct {
	// The full kubeconfig
	Full string
	// Kubeconfig with confidential data redacted.
	Redacted string
}

func createKubeConfig(cfg *config.InstallConfig) (kubeconfig, error) {
	if len(cfg.K8sServiceHost) == 0 {
		return kubeconfig{}, fmt.Errorf("KUBERNETES_SERVICE_HOST not set. Is this not running within a pod?")
	}