frostfs-node/cmd/neofs-node/config/grpc/config.go

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package grpcconfig
import (
"errors"
"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
)
const (
subsection = "grpc"
tlsSubsection = "tls"
)
var (
errEndpointNotSet = errors.New("empty/not set endpoint, see `grpc.endpoint` section")
errTLSKeyNotSet = errors.New("empty/not set TLS key file path, see `grpc.tls.key` section")
errTLSCertNotSet = errors.New("empty/not set TLS certificate file path, see `grpc.tls.certificate` section")
)
// TLSConfig is a wrapper over "tls" config section which provides access
// to TLS configuration of gRPC connection.
type TLSConfig struct {
cfg *config.Config
}
// Endpoint returns value of "endpoint" config parameter
// from "grpc" section.
//
// Panics if value is not a non-empty string.
func Endpoint(c *config.Config) string {
v := config.StringSafe(c.Sub(subsection), "endpoint")
if v == "" {
panic(errEndpointNotSet)
}
return v
}
// TLS returns structure that provides access to "tls" subsection of
// "grpc" section.
func TLS(c *config.Config) TLSConfig {
return TLSConfig{
cfg: c.Sub(subsection).Sub(tlsSubsection),
}
}
// Enabled returns value of "enabled" config parameter.
//
// Returns false if value is not set.
func (tls TLSConfig) Enabled() bool {
return config.BoolSafe(tls.cfg, "enabled")
}
// KeyFile returns value of "key" config parameter.
//
// Panics if value is not a non-empty string.
func (tls TLSConfig) KeyFile() string {
v := config.StringSafe(tls.cfg, "key")
if v == "" {
panic(errTLSKeyNotSet)
}
return v
}
// CertificateFile returns value of "certificate" config parameter.
//
// Panics if value is not a non-empty string.
func (tls TLSConfig) CertificateFile() string {
v := config.StringSafe(tls.cfg, "certificate")
if v == "" {
panic(errTLSCertNotSet)
}
return v
}