func serveStatus(worker *Worker, w http.ResponseWriter, r *http.Request) {
statusReq := WorkerStatusRequest{}
status := WorkerStatusResponse{}
err := worker.Status(&statusReq, &status)
if err != nil {
// TODO - escaping.
fmt.Fprintf(w, "<p>Status error: %v", err)
}
addr := fmt.Sprintf("%s:%d", cname, worker.listener.Addr().(*net.TCPAddr).Port)
fmt.Fprintf(w, "<p>Worker %s (<a href=\"http://%s:%d\">status</a>)<p>Version %s<p>Jobs %d\n",
addr, cname, worker.httpStatusPort, status.Version, status.MaxJobCount)
fmt.Fprintf(w, "<p><a href=\"/log?host=%s\">Worker log %s</a>\n", addr, addr)
if !status.Accepting {
fmt.Fprintf(w, "<b>shutting down</b>")
}
stats.CpuStatsWriteHttp(w, status.CpuStats, status.DiskStats)
fmt.Fprintf(w, "<p>Total CPU: %s", status.TotalCpu.Percent())
m := status.MemStat
fmt.Fprintf(w, "<p>HeapIdle: %v, HeapInUse: %v",
m.HeapIdle, m.HeapInuse)
stats.CountStatsWriteHttp(w, status.PhaseNames, status.PhaseCounts)
for _, mirrorStatus := range status.MirrorStatus {
mirrorStatusHtml(w, mirrorStatus)
}
}
func (me *Coordinator) workerHandler(w http.ResponseWriter, req *http.Request) {
addr, conn, err := me.getHost(req)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
fmt.Fprintf(w, "<html><head><title>Termite worker status</title></head>")
fmt.Fprintf(w, "<body>Error: %s</body></html>", err.Error())
return
}
statusReq := WorkerStatusRequest{}
status := WorkerStatusResponse{}
client := rpc.NewClient(conn)
err = client.Call("Worker.Status", &statusReq, &status)
client.Close()
if err != nil {
fmt.Fprintf(w, "<p><tt>RPC error: %v<tt>\n", err)
return
}
fmt.Fprintf(w, "<p>Worker %s<p>Version %s<p>Jobs %d\n",
addr, status.Version, status.MaxJobCount)
fmt.Fprintf(w, "<p><a href=\"/log?host=%s\">Worker log %s</a>\n", addr, addr)
if !status.Accepting {
fmt.Fprintf(w, "<b>shutting down</b>")
}
stats.CpuStatsWriteHttp(w, status.CpuStats, status.DiskStats)
fmt.Fprintf(w, "<p>Total CPU: %s", status.TotalCpu.Percent())
fmt.Fprintf(w, "<p>Content cache hit rate: %.0f %%, Age %d",
100.0*status.ContentCacheHitRate,
status.ContentCacheHitAge)
m := status.MemStat
fmt.Fprintf(w, "<p>HeapIdle: %v, HeapInUse: %v",
m.HeapIdle, m.HeapInuse)
stats.CountStatsWriteHttp(w, status.PhaseNames, status.PhaseCounts)
for _, mirrorStatus := range status.MirrorStatus {
me.mirrorStatusHtml(w, mirrorStatus)
}
fmt.Fprintf(w, "<p><a href=\"/workerkill?host=%s\">Kill worker %s</a>\n", addr, addr)
fmt.Fprintf(w, "<p><a href=\"/restart?host=%s\">Restart worker %s</a>\n", addr, addr)
conn.Close()
}