logger

type Config struct {
	LogLevel       zapcore.Level
	Dir            string
	JsonConsole    bool
	UnixTS         bool
	FileMaxSizeMB  int
	FileMaxAgeDays int
	FileMaxBackups int // files
}

type Fields map[string]interface{}

type Logger interface {
	// With creates a new Logger with the given arguments
	With(args ...interface{}) Logger
	// Named creates a new Logger sub-scoped with name.
	// Names are inherited and dot-separated.
	//   a := l.Named("a") // logger=a
	//   b := a.Named("b") // logger=a.b
	Named(name string) Logger

	// SetLogLevel changes the log level for this and all connected Loggers.
	SetLogLevel(zapcore.Level)

	Trace(args ...interface{})
	Debug(args ...interface{})
	Info(args ...interface{})
	Warn(args ...interface{})
	Error(args ...interface{})
	Critical(args ...interface{})
	Panic(args ...interface{})
	// Fatal logs and then calls os.Exit(1)
	// Be careful about using this since it does NOT unwind the stack and may
	// exit uncleanly
	Fatal(args ...interface{})

	Tracef(format string, values ...interface{})
	Debugf(format string, values ...interface{})
	Infof(format string, values ...interface{})
	Warnf(format string, values ...interface{})
	Errorf(format string, values ...interface{})
	Criticalf(format string, values ...interface{})
	Panicf(format string, values ...interface{})
	Fatalf(format string, values ...interface{})

	Tracew(msg string, keysAndValues ...interface{})
	Debugw(msg string, keysAndValues ...interface{})
	Infow(msg string, keysAndValues ...interface{})
	Warnw(msg string, keysAndValues ...interface{})
	Errorw(msg string, keysAndValues ...interface{})
	Criticalw(msg string, keysAndValues ...interface{})
	Panicw(msg string, keysAndValues ...interface{})
	Fatalw(msg string, keysAndValues ...interface{})

	// ErrorIf logs the error if present.
	// Deprecated: use SugaredLogger.ErrorIf
	ErrorIf(err error, msg string)

	// ErrorIfClosing calls c.Close() and logs any returned error along with name.
	// Deprecated: use SugaredLogger.ErrorIfFn with c.Close
	ErrorIfClosing(c io.Closer, name string)

	// Sync flushes any buffered log entries.
	// Some insignificant errors are suppressed.
	Sync() error

	// Helper creates a new logger with the number of callers skipped by caller annotation increased by skip.
	// This allows wrappers and helpers to point higher up the stack (like testing.T.Helper()).
	Helper(skip int) Logger

	// Name returns the fully qualified name of the logger.
	Name() string

	// Recover reports recovered panics; this is useful because it avoids
	// double-reporting to sentry
	Recover(panicErr interface{})
}

type PrettyConsole struct {
	zap.Sink
}

type PyroscopeConfig interface {
	PyroscopeServerAddress() string
	PyroscopeAuthToken() string
	PyroscopeEnvironment() string

	AutoPprofBlockProfileRate() int
	AutoPprofMutexProfileFraction() int
}

type SugaredLogger interface {
	Logger
	// AssumptionViolation variants log at error level with the message prefix "AssumptionViolation: ".
	AssumptionViolation(args ...interface{})
	AssumptionViolationf(format string, vals ...interface{})
	AssumptionViolationw(msg string, keyvals ...interface{})
	// ErrorIf logs the error if present.
	ErrorIf(err error, msg string)
	// ErrorIfFn calls fn() and logs any returned error along with msg.
	// Unlike ErrorIf, this can be deffered inline, since the function call is delayed.
	ErrorIfFn(fn func() error, msg string)
}