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package main
import (
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
"go.wit.com/lib/protobuf/virtpb"
"go.wit.com/lib/virtigolib"
"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 route string
route = cleanURL(r.URL.Path)
log.HttpMode(w)
defer log.HttpMode(nil)
msg, err := ioutil.ReadAll(r.Body) // Read the body as []byte
if err != nil {
log.Info("ReadAll() error =", err)
return
}
if route == "/uptime" {
ok, s := uptimeCheck()
fmt.Fprint(w, s)
// log.Info(s)
updateUptimeGui(s)
if ok {
// log.Info("Handling URL:", route, "cluster is ok")
} else {
log.Info("Handling URL:", route, "cluster is not right yet")
}
return
}
if route == "/create" {
var d *virtpb.Droplet
d = new(virtpb.Droplet)
if err := d.Unmarshal(msg); err != nil {
log.Info("proto.Unmarshal() failed on wire message len", len(msg))
log.Info("error =", err)
return
}
log.Info("proto.Unmarshal() worked on msg len", len(msg), "hostname =", d.Hostname)
found := me.cluster.FindDropletByName(d.Hostname)
if found != nil {
log.Info("already have hostname ", d.Hostname)
return
}
log.Info("new hostname ", d.Hostname)
if !me.cluster.AddDroplet(d) {
log.Info("new hostname added ok ", d.Hostname)
} else {
log.Info("hostname add failed for ", d.Hostname)
}
if err := me.cluster.ConfigSave(); err != nil {
log.Info("configsave error", err)
os.Exit(-1)
}
log.Info("config file saved")
return
}
if route == "/start" {
hostname := r.URL.Query().Get("hostname")
if hostname == "" {
log.Warn("start failed. hostname is blank", cleanURL(r.URL.Path))
return
}
log.Warn("hostname is", hostname)
// log.Warn("Handling URL:", tmp, "start droplet", start)
result, err := Start(hostname)
if err == nil {
log.Info(result)
log.Info(hostname, "started output ok")
log.Info(hostname, "need to parse the output here")
log.Info(hostname, "todo: switch to protobuf here")
} else {
log.Info(result)
log.Info(err)
log.Info(hostname, "start failed")
}
return
}
if route == "/import" {
log.Info("virtigo import starts here")
result, err := importDomain(w, r)
if err != nil {
log.Info("virtigo import failed")
log.Info(result)
return
}
log.Info("virtigo import worked")
return
}
// toggle poll logging
if route == "/poll" {
if POLL.Enabled() {
log.Info("POLL is true")
POLL.SetBool(false)
} else {
log.Info("POLL is false")
POLL.SetBool(true)
}
return
}
if route == "/dumpcluster" {
dumpCluster(w)
return
}
if route == "/dumpdroplet" {
me.cluster.DumpDroplet(w, r)
return
}
if route == "/dumpdroplets" {
dumpDroplets(w, false)
return
}
if route == "/dumpdropletsfull" {
dumpDroplets(w, true)
return
}
if route == "/dumphypervisors" {
dumpHypervisors(w)
return
}
if route == "/dumplibvirtxml" {
virtigolib.DumpLibvirtxmlDomainNames()
return
}
if route == "/quit" {
log.Warn("writing out config file and exiting virtigo")
if err := me.cluster.ConfigSave(); err != nil {
log.Info("configsave error", err)
} else {
os.Exit(-1)
}
return
}
if route == "/favicon.ico" {
// w.Header().Set("Content-Type", "image/svg+xml")
w.Header().Set("Content-Type", "image/png")
writeFile(w, "ipv6.png")
return
}
if route == "/goReference.svg" {
w.Header().Set("Content-Type", "image/svg+xml")
writeFile(w, "goReference.svg")
return
}
log.Warn("BAD URL =", route)
}
// write a file out to the http socket
func writeFile(w http.ResponseWriter, filename string) {
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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