Function InitLogger

pkg/util/log/log.go:41–53

InitLogger initialises the global gokit logger (util_log.Logger) and overrides the default logger for the server.

(cfg *server.Config)

// InitLogger initialises the global gokit logger (util_log.Logger) and overrides the
// default logger for the server.
func InitLogger(cfg *server.Config) {
	l := newLoggerWithFormat(cfg.LogFormat)

	// when use util_log.Logger, skip 6 stack frames.
	Logger = newPrometheusLoggerFrom(l, cfg.LogLevel, "caller", log.Caller(6))
	SLogger = GoKitLogToSlog(Logger)

	// cfg.Log wraps log function, skip 7 stack frames to get caller information.
	// this works in go 1.12, but doesn't work in versions earlier.
	// it will always shows the wrapper function generated by compiler
	// marked <autogenerated> in old versions.
	cfg.Log = logging.GoKit(newPrometheusLoggerFrom(l, cfg.LogLevel, "caller", log.Caller(7)))
}

// PrometheusLogger exposes Prometheus counters for each of go-kit's log levels.
type PrometheusLogger struct {