Method Logger

logging.go:219–246

Logger returns a logger that is ready for the module to use.

(mod Module)

// Logger returns a logger that is ready for the module to use.
func (logging *Logging) Logger(mod Module) *zap.Logger {
	modID := string(mod.CaddyModule().ID)
	var cores []zapcore.Core
	var options []zap.Option

	if logging != nil {
		for _, l := range logging.Logs {
			if l.matchesModule(modID) {
				if len(l.Include) == 0 && len(l.Exclude) == 0 {
					cores = append(cores, l.core)
					continue
				}
				if len(options) == 0 {
					newOptions, err := l.buildOptions()
					if err != nil {
						Log().Error("building options for logger", zap.String("module", modID), zap.Error(err))
					}
					options = newOptions
				}
				cores = append(cores, &filteringCore{Core: l.core, cl: l})
			}
		}
	}

	multiCore := zapcore.NewTee(cores...)

	return zap.New(multiCore, options...).Named(modID)
}

// openWriter opens a writer using opener, and returns true if
// the writer is new, or false if the writer already exists.