type Logger interface {
	Helper()
	Errorf(format string, args ...interface{})
	Fatalf(format string, args ...interface{})
	Logf(format string, args ...interface{})
	Cleanup(func())
}

type ProxyCA struct {
	ProxySigningCert *x509.Certificate
	ProxySigningKey  *rsa.PrivateKey
}

type TearDownFunc func()

type TestServer struct {
	ClientConfig      *restclient.Config        // Rest client config
	ServerOpts        *options.ServerRunOptions // ServerOpts
	TearDownFn        TearDownFunc              // TearDown function
	TmpDir            string                    // Temp Dir used, by the apiserver
	EtcdClient        *clientv3.Client          // used by tests that need to check data migrated from APIs that are no longer served
	EtcdStoragePrefix string                    // storage prefix in etcd
}

type TestServerInstanceOptions struct {
	// SkipHealthzCheck returns without waiting for the server to become healthy.
	// Useful for testing server configurations expected to prevent /healthz from completing.
	SkipHealthzCheck bool
	// Enable cert-auth for the kube-apiserver
	EnableCertAuth bool
	// Wrap the storage version interface of the created server's generic server.
	StorageVersionWrapFunc func(storageversion.Manager) storageversion.Manager

	// We specify this as on option to pass a common proxyCA to multiple apiservers to simulate
	// an apiserver version skew scenario where all apiservers use the same proxyCA to verify client connections.
	ProxyCA *ProxyCA
	// Set the BinaryVersion of server effective version.
	// If empty, effective version will default to DefaultKubeEffectiveVersion.
	BinaryVersion string
	// Set non-default request timeout in the server.
	RequestTimeout time.Duration
}