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cmd/bosun: Add last API route returns most recent datapoint for metri… #1330

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Sep 17, 2015
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cmd/bosun: Add last API route returns most recent datapoint for metri… #1330

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12 changes: 12 additions & 0 deletions cmd/bosun/web/web.go
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,7 @@ func Listen(listenAddr string, devMode bool, tsdbHost string) error {
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/incidents", JSON(Incidents))
router.Handle("/api/incidents/events", JSON(IncidentEvents))
router.Handle("/api/metadata/get", JSON(GetMetadata))
Expand Down Expand Up @@ -569,6 +570,17 @@ func Host(t miniprofiler.Timer, w http.ResponseWriter, r *http.Request) (interfa
return schedule.Host(r.FormValue("filter")), nil
}

// Last returns the most recent datapoint for a metric+tagset. The metric+tagset
// string should be formated like os.cpu{host=foo}. The tag porition expects the
// that the keys will be in alphabetical order.
func Last(t miniprofiler.Timer, w http.ResponseWriter, r *http.Request) (interface{}, error) {
var counter bool
if r.FormValue("counter") != "" {
counter = true
}
return schedule.Search.GetLast(r.FormValue("metric"), r.FormValue("tagset"), counter)
}

func Version(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, version.GetVersionInfo("bosun"))
}
Expand Down