na

type CAGrpcClient interface {
	// Send CSR to the CA and gets the response or error.
	SendCSR(*pb.Request, platform.Client, *Config) (*pb.Response, error)
}

type CertUtil interface {
	// GetWaitTime returns the waiting time before renewing the certificate.
	GetWaitTime([]byte, time.Time, int) (time.Duration, error)
}

type CertUtilImpl struct {
}

type Config struct {
	// Istio CA grpc server
	IstioCAAddress string

	// Organization of service
	ServiceIdentityOrg string

	RSAKeySize int

	// The environment this node agent is running on
	Env string

	// CSRInitialRetrialInterval is the retrial interval for certificate requests.
	CSRInitialRetrialInterval time.Duration

	// CSRMaxRetries is the number of retries for certificate requests.
	CSRMaxRetries int

	// CSRGracePeriodPercentage indicates the length of the grace period in the
	// percentage of the entire certificate TTL.
	CSRGracePeriodPercentage int

	// The Configuration for talking to the platform metadata server.
	PlatformConfig platform.ClientConfig
}

type NodeAgent interface {
	Start() error
}