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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
package main
import (
"fmt"
"io/ioutil"
"net/http"
"strings"
"time"
"go.wit.com/log"
)
// remove '?' part and trailing '/'
func cleanURL(url string) string {
url = "/" + strings.Trim(url, "/")
return url
}
func okHandler(w http.ResponseWriter, r *http.Request) {
// log.Info("Got URL Path: ", r.URL.Path)
route := cleanURL(r.URL.Path)
hostname := r.URL.Query().Get("hostname")
// flag := r.URL.Query().Get("flag")
msg, err := ioutil.ReadAll(r.Body) // Read the body as []byte
if err != nil {
log.Info("ReadAll() error =", err)
return
}
if route == "/" {
return
}
if route == "/machine" {
handleMachine(r, w, hostname, msg)
return
}
if route == "/uptime" {
if me.zood == nil {
fmt.Fprintf(w, "BAD zood == nil\n")
return
}
var count int
var bad int
for m := range me.machines.IterAll() {
count += 1
if m.FindVersion("zood") != me.zood.version {
if m.SinceLastUpdate() > 10*time.Minute {
// skip machines that have not been updated in the last 10 minutes
log.Info("ignoring old machine", m.Hostname)
continue
}
bad += 1
}
}
if bad == 0 {
fmt.Fprintf(w, "GOOD machine count=(%d) all machines are version %s\n", count, me.zood.version)
} else {
fmt.Fprintf(w, "BAD machine count=(%d) upgrade=(%d) to %s\n", count, bad, me.zood.version)
}
return
}
log.Warn("BAD URL =", route)
}
// starts and sits waiting for HTTP requests
func startHTTP() {
http.HandleFunc("/", okHandler)
p := fmt.Sprintf(":%d", argv.Port)
log.Println("Running on port", p)
err := http.ListenAndServe(p, nil)
if err != nil {
log.Println("Error starting server:", err)
badExit(err)
}
}
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