kubernetes/vendor/go.etcd.io/etcd/server/v3/embed/config_logging.go

// GetLogger returns the logger.
func (cfg Config) GetLogger() *zap.Logger { … }

// setupLogging initializes etcd logging.
// Must be called after flag parsing or finishing configuring embed.Config.
func (cfg *Config) setupLogging() error { … }

// NewZapLoggerBuilder generates a zap logger builder that sets given loger
// for embedded etcd.
func NewZapLoggerBuilder(lg *zap.Logger) func(*Config) error { … }

// NewZapCoreLoggerBuilder - is a deprecated setter for the logger.
// Deprecated: Use simpler NewZapLoggerBuilder. To be removed in etcd-3.6.
func NewZapCoreLoggerBuilder(lg *zap.Logger, _ zapcore.Core, _ zapcore.WriteSyncer) func(*Config) error { … }

// SetupGlobalLoggers configures 'global' loggers (grpc, zapGlobal) based on the cfg.
//
// The method is not executed by embed server by default (since 3.5) to
// enable setups where grpc/zap.Global logging is configured independently
// or spans separate lifecycle (like in tests).
func (cfg *Config) SetupGlobalLoggers() { … }

type logRotationConfig …

// Sync implements zap.Sink
func (logRotationConfig) Sync() error { … }

// setupLogRotation initializes log rotation for a single file path target.
func setupLogRotation(logOutputs []string, logRotateConfigJSON string) error { … }