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package main
import (
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
"go.wit.com/lib/gui/shell"
pb "go.wit.com/lib/protobuf/virtbuf"
"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) {
var tmp string
log.Info("Got URL Path: ", r.URL.Path)
log.Info("Got URL Query:", r.URL.Query().Get("start"))
tmp = cleanURL(r.URL.Path)
msg, err := ioutil.ReadAll(r.Body) // Read the body as []byte
if err != nil {
fmt.Fprintln(w, "ReadAll() error =", err)
return
}
log.Info("Got URL msg:", string(msg))
log.Info("Got URL jcarr2 tmp:", tmp)
if tmp == "/" {
fmt.Fprintln(w, "OK")
return
}
// exit the virtigo daemon & have systemd restart it
// this can happen & when it does, access to
// to libvirtd will hang (aka: virsh list will hang)
// One way to trigger this is to not properly close
// domain sockets opened from go-qemu/hypervisor
// it's a good idea in any case so leave it here
if tmp == "/kill" {
log.Warn("KILLED")
fmt.Fprintln(w, "KILLED")
os.Exit(-1)
return
}
if tmp == "/vms" {
s := pollHypervisor(hv)
fmt.Fprint(w, s)
return
}
if tmp == "/cluster" {
log.Info("/cluster jcarr actually doing START")
fmt.Fprintln(w, "/cluster jcarr actually doing START")
var c *pb.Cluster
c = new(pb.Cluster)
fmt.Fprintln(w, "cluster len(msg) =", len(msg))
err = c.UnmarshalJSON(msg)
if err != nil {
fmt.Fprintln(w, "cluster dirs failed")
fmt.Fprintln(w, "error =", err)
}
for _, dir := range c.Dirs {
var found bool = false
for _, d := range me.dirs {
if d == dir {
found = true
}
}
if found {
log.Info("dir already here", dir)
fmt.Fprintln(w, "dir already here", dir)
} else {
log.Info("append new dir", dir)
fmt.Fprintln(w, "append new dir", dir)
me.dirs = append(me.dirs, dir)
}
}
return
}
if tmp == "/start" {
log.Info("/start jcarr actually doing START", me.Hostname)
fmt.Fprintln(w, "/start jcarr actually doing START", me.Hostname)
start := r.URL.Query().Get("start")
xml := "/tmp/" + start + ".xml"
if shell.Unlink(xml) {
fmt.Fprintln(w, "START FAILED", me.Hostname)
fmt.Fprintln(w, "error =", "could not remove existing xml file", xml)
fmt.Fprintln(w, "error =", "file still exists after unlink")
return
}
// fmt.Fprintln(w, "HTTP:", r.Body)
var d *pb.Droplet
d = new(pb.Droplet)
// msg, err := ioutil.ReadAll(r.Body) // Read the body as []byte
fmt.Fprintln(w, "/start ReadAll() START")
fmt.Fprintln(w, "msg =", string(msg))
fmt.Fprintln(w, "/start ReadAll() END")
if err != nil {
fmt.Fprintln(w, "START FAILED", me.Hostname)
fmt.Fprintln(w, "error =", err)
return
}
fmt.Fprintln(w, "START len(msg) =", len(msg))
err = d.UnmarshalJSON(msg)
if d.Hostname == "" {
fmt.Fprintln(w, "START hostname is blank", me.Hostname)
log.Info("START hostname is blank")
return
}
if err != nil {
fmt.Fprintln(w, "START FAILED", me.Hostname)
fmt.Fprintln(w, "error =", err)
}
if err := newStart(start, d); err != nil {
fmt.Fprintln(w, "START FAILED", me.Hostname)
fmt.Fprintln(w, "error =", err)
return
}
cmd := []string{"virsh", "create", xml}
fmt.Fprintln(w, "Handling URL:", tmp, "start droplet")
log.Warn("cmd :", cmd)
fmt.Fprintln(w, "Handling URL:", tmp, "start droplet")
fmt.Fprintln(w, "cmd: ", cmd)
err, ok, output := shell.RunCmd("/home/", cmd)
shell.Run(cmd)
if ok {
fmt.Fprintln(w, "START OK", me.Hostname)
fmt.Fprintln(w, output)
} else {
fmt.Fprintln(w, "START FAILED", me.Hostname)
fmt.Fprintln(w, "error =", err)
fmt.Fprintln(w, "output =", output)
}
return
}
if tmp == "/favicon.ico" {
writeFile(w, "ipv6.png")
return
}
if tmp == "/uptime" {
writeFile(w, "uptime.html")
return
}
// used for uptime monitor checking (like Kuma)
if tmp == "/uptime" {
writeFile(w, "uptime.html")
return
}
log.Warn("BAD URL =", tmp)
fmt.Fprintln(w, "BAD ZOOT")
// badurl(w, r.URL.String())
// fmt.Fprintln(w, "BAD", tmp)
}
func writeFile(w http.ResponseWriter, filename string) {
// fmt.Fprintln(w, "GOT TEST?")
fullname := "resources/" + filename
pfile, err := resources.ReadFile(fullname)
if err != nil {
log.Println("ERROR:", err)
// w.Write(pfile)
return
}
var repohtml string
repohtml = string(pfile)
if filename == "goReference.svg" {
w.Header().Set("Content-Type", "image/svg+xml")
}
fmt.Fprintln(w, repohtml)
log.Println("writeFile() found internal file:", filename)
}
// 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)
}
}
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