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))
})
})
})