示例#1
0
文件: web.go 项目: nicollet/bosun
func JSON(h func(miniprofiler.Timer, http.ResponseWriter, *http.Request) (interface{}, error)) http.Handler {
	return miniprofiler.NewHandler(func(t miniprofiler.Timer, w http.ResponseWriter, r *http.Request) {
		d, err := h(t, w, r)
		if err != nil {
			serveError(w, err)
			return
		}
		if d == nil {
			return
		}
		buf := new(bytes.Buffer)
		if err := json.NewEncoder(buf).Encode(d); err != nil {
			slog.Error(err)
			serveError(w, err)
			return
		}
		var tw io.Writer = w
		if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
			w.Header().Set("Content-Encoding", "gzip")
			gz := gzip.NewWriter(w)
			defer gz.Close()
			tw = gz
		}
		if cb := r.FormValue("callback"); cb != "" {
			w.Header().Add("Content-Type", "application/javascript")
			tw.Write([]byte(cb + "("))
			buf.WriteTo(tw)
			tw.Write([]byte(")"))
			return
		}
		w.Header().Add("Content-Type", "application/json")
		buf.WriteTo(tw)
	})
}
示例#2
0
// NewHandler returns a profiled, appstats-aware appengine.Context.
func NewHandler(f func(Context, http.ResponseWriter, *http.Request)) http.Handler {
	return appstats.NewHandler(func(c appengine.Context, w http.ResponseWriter, r *http.Request) {
		h := miniprofiler.NewHandler(func(t miniprofiler.Timer, w http.ResponseWriter, r *http.Request) {
			pc := Context{
				Context: c.(appstats.Context),
				Timer:   t,
			}
			t.SetName(miniprofiler.FuncName(f))
			f(pc, w, r)
			t.AddCustomLink("appstats", pc.URL())
		})
		h.ServeHTTP(w, r)
	})
}
示例#3
0
文件: web.go 项目: nicollet/bosun
func Listen(listenAddr string, devMode bool, tsdbHost string, reloadFunc func() error) error {
	if devMode {
		slog.Infoln("using local web assets")
	}
	webFS := FS(devMode)

	indexTemplate = func() *template.Template {
		str := FSMustString(devMode, "/templates/index.html")
		templates, err := template.New("").Parse(str)
		if err != nil {
			slog.Fatal(err)
		}
		return templates
	}

	reload = reloadFunc

	if !devMode {
		tpl := indexTemplate()
		indexTemplate = func() *template.Template {
			return tpl
		}
	}

	if tsdbHost != "" {
		router.HandleFunc("/api/index", IndexTSDB)
		router.Handle("/api/put", Relay(tsdbHost))
	}

	router.HandleFunc("/api/", APIRedirect)
	router.Handle("/api/action", JSON(Action))
	router.Handle("/api/alerts", JSON(Alerts))
	router.Handle("/api/config", miniprofiler.NewHandler(Config))
	router.Handle("/api/config_test", miniprofiler.NewHandler(ConfigTest))
	router.Handle("/api/save_enabled", JSON(SaveEnabled))
	if schedule.SystemConf.ReloadEnabled() { // Is true of save is enabled
		router.Handle("/api/reload", JSON(Reload)).Methods(http.MethodPost)
	}
	if schedule.SystemConf.SaveEnabled() {
		router.Handle("/api/config/bulkedit", miniprofiler.NewHandler(BulkEdit)).Methods(http.MethodPost)
		router.Handle("/api/config/save", miniprofiler.NewHandler(SaveConfig)).Methods(http.MethodPost)
		router.Handle("/api/config/diff", miniprofiler.NewHandler(DiffConfig)).Methods(http.MethodPost)
		router.Handle("/api/config/running_hash", JSON(ConfigRunningHash))
	}
	router.Handle("/api/egraph/{bs}.{format:svg|png}", JSON(ExprGraph))
	router.Handle("/api/errors", JSON(ErrorHistory))
	router.Handle("/api/expr", JSON(Expr))
	router.Handle("/api/graph", JSON(Graph))
	router.Handle("/api/health", JSON(HealthCheck))
	router.Handle("/api/host", JSON(Host))
	router.Handle("/api/last", JSON(Last))
	router.Handle("/api/quiet", JSON(Quiet))
	router.Handle("/api/incidents", JSON(Incidents))
	router.Handle("/api/incidents/open", JSON(ListOpenIncidents))
	router.Handle("/api/incidents/events", JSON(IncidentEvents))
	router.Handle("/api/metadata/get", JSON(GetMetadata))
	router.Handle("/api/metadata/metrics", JSON(MetadataMetrics))
	router.Handle("/api/metadata/put", JSON(PutMetadata))
	router.Handle("/api/metadata/delete", JSON(DeleteMetadata)).Methods("DELETE")
	router.Handle("/api/metric", JSON(UniqueMetrics))
	router.Handle("/api/metric/{tagk}", JSON(MetricsByTagKey))
	router.Handle("/api/metric/{tagk}/{tagv}", JSON(MetricsByTagPair))
	router.Handle("/api/rule", JSON(Rule))
	router.HandleFunc("/api/shorten", Shorten)
	router.Handle("/api/silence/clear", JSON(SilenceClear))
	router.Handle("/api/silence/get", JSON(SilenceGet))
	router.Handle("/api/silence/set", JSON(SilenceSet))
	router.Handle("/api/status", JSON(Status))
	router.Handle("/api/tagk/{metric}", JSON(TagKeysByMetric))
	router.Handle("/api/tagv/{tagk}", JSON(TagValuesByTagKey))
	router.Handle("/api/tagv/{tagk}/{metric}", JSON(TagValuesByMetricTagKey))
	router.Handle("/api/tagsets/{metric}", JSON(FilteredTagsetsByMetric))
	router.Handle("/api/opentsdb/version", JSON(OpenTSDBVersion))
	router.Handle("/api/annotate", JSON(AnnotateEnabled))

	// Annotations
	if schedule.SystemConf.AnnotateEnabled() {
		index := schedule.SystemConf.GetAnnotateIndex()
		if index == "" {
			index = "annotate"
		}
		annotateBackend = backend.NewElastic(schedule.SystemConf.GetAnnotateElasticHosts(), index)

		go func() {
			for {
				err := annotateBackend.InitBackend()
				if err == nil {
					return
				}
				slog.Warningf("could not initalize annotate backend, will try again: %v", err)
				time.Sleep(time.Second * 30)
			}
		}()
		web.AddRoutes(router, "/api", []backend.Backend{annotateBackend}, false, false)

	}

	router.HandleFunc("/api/version", Version)
	router.Handle("/api/debug/schedlock", JSON(ScheduleLockStatus))
	http.Handle("/", miniprofiler.NewHandler(Index))
	http.Handle("/api/", router)
	fs := http.FileServer(webFS)
	http.Handle("/partials/", fs)
	http.Handle("/static/", http.StripPrefix("/static/", fs))
	http.Handle("/favicon.ico", fs)
	slog.Infoln("bosun web listening on:", listenAddr)
	slog.Infoln("tsdb host:", tsdbHost)
	return http.ListenAndServe(listenAddr, nil)
}
示例#4
0
文件: main.go 项目: jango2015/go
func main() {
	miniprofiler.TrivialMilliseconds = 0
	http.Handle("/", miniprofiler.NewHandler(Index))
	fmt.Println("serving")
	http.ListenAndServe(":8080", nil)
}