func statusHandler(w http.ResponseWriter, r *http.Request) {
name := r.URL.Query().Get("name")
if len(name) == 0 {
w.WriteHeader(http.StatusBadRequest)
w.Write(([]byte)("Missing or empty parameter\n"))
return
}
if cb, _, err := hystrix.GetCircuit(name); err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write(([]byte)("Can get Circuit Breaker\n"))
} else {
w.WriteHeader(http.StatusOK)
allow := "Allow:No\n"
if cb.AllowRequest() {
allow = "Allow:Yes\n"
}
isOpen := "Opened:No\n"
if cb.IsOpen() {
isOpen = "Opened:Yes\n"
}
w.Write(([]byte)(allow + isOpen))
}
}
func closeHandler(w http.ResponseWriter, r *http.Request) {
name := r.URL.Query().Get("name")
if len(name) == 0 {
w.WriteHeader(http.StatusBadRequest)
w.Write(([]byte)("Missing or empty parameter\n"))
return
}
if cb, _, err := hystrix.GetCircuit(name); err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write(([]byte)("Can get Circuit Breaker\n"))
} else {
cb.ReportEvent([]string{"success"}, time.Now(), 0)
w.WriteHeader(http.StatusOK)
w.Write(([]byte)("Closed.\n"))
}
}
func toggleOpenHandler(w http.ResponseWriter, r *http.Request) {
name := r.URL.Query().Get("name")
tg := r.URL.Query().Get("value")
if len(name) == 0 || (tg != "true" && tg != "false") {
w.WriteHeader(http.StatusBadRequest)
w.Write(([]byte)("Missing or empty parameter\n"))
return
}
if cb, _, err := hystrix.GetCircuit(name); err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write(([]byte)("Can get Circuit Breaker\n"))
} else {
cb.ToggleForceOpen(tg == "true")
cb.AllowRequest()
w.WriteHeader(http.StatusOK)
w.Write(([]byte)("Done.\n"))
log.Printf("%#v", *cb)
}
}
