Exemple #1
0
func Handler(sink *lager.ReconfigurableSink) http.Handler {
	mux := http.NewServeMux()
	mux.Handle("/debug/pprof/", http.HandlerFunc(pprof.Index))
	mux.Handle("/debug/pprof/cmdline", http.HandlerFunc(pprof.Cmdline))
	mux.Handle("/debug/pprof/profile", http.HandlerFunc(pprof.Profile))
	mux.Handle("/debug/pprof/symbol", http.HandlerFunc(pprof.Symbol))
	mux.Handle("/log-level", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		level, err := ioutil.ReadAll(r.Body)
		if err != nil {
			return
		}

		switch string(level) {
		case "debug", "DEBUG", "d", strconv.Itoa(int(lager.DEBUG)):
			sink.SetMinLevel(lager.DEBUG)
		case "info", "INFO", "i", strconv.Itoa(int(lager.INFO)):
			sink.SetMinLevel(lager.INFO)
		case "error", "ERROR", "e", strconv.Itoa(int(lager.ERROR)):
			sink.SetMinLevel(lager.ERROR)
		case "fatal", "FATAL", "f", strconv.Itoa(int(lager.FATAL)):
			sink.SetMinLevel(lager.FATAL)
		}
	}))

	return mux
}
		It("writes to the given sink", func() {
			Expect(testSink.Buffer()).To(gbytes.Say("hello world\n"))
		})
	})

	Context("when logging below the minimum log level", func() {
		BeforeEach(func() {
			sink.Log(lager.DEBUG, []byte("hello world"))
		})

		It("does not write to the given writer", func() {
			Expect(testSink.Buffer().Contents()).To(BeEmpty())
		})
	})

	Context("when reconfigured to a new log level", func() {
		BeforeEach(func() {
			sink.SetMinLevel(lager.DEBUG)
		})

		It("writes logs above the new log level", func() {
			sink.Log(lager.DEBUG, []byte("hello world"))
			Expect(testSink.Buffer()).To(gbytes.Say("hello world\n"))
		})

		It("returns the newly updated level", func() {
			Expect(sink.GetMinLevel()).To(Equal(lager.DEBUG))
		})
	})
})