package main
import (
"fmt"
"html/template"
"log"
"net/http"
"os/exec"
"runtime"
)
const (
serverName = "delemaco" // Server to ping
macAddress = "b8:cb:29:a1:f3:88" // MAC address of the server
port = "8080" // Port to listen on
)
// StatusData holds data for the HTML template
type StatusData struct {
Server string
Status string
Color string
IsTestMode bool
}
// Check if server is online
func isServerOnline() bool {
var cmd *exec.Cmd
// macOS and Linux have slightly different ping commands
if runtime.GOOS == "darwin" {
cmd = exec.Command("ping", "-c", "1", "-W", "1000", serverName)
} else {
cmd = exec.Command("ping", "-c", "1", "-W", "1", serverName)
}
err := cmd.Run()
return err == nil
}
// Send WOL packet
func sendWakeOnLAN() error {
log.Printf("Sending WOL packet to %s (%s)", serverName, macAddress)
cmd := exec.Command("wakeonlan", macAddress)
return cmd.Run()
}
// Shutdown server
func shutdownServer() error {
// Real shutdown command for Linux
log.Printf("Sending shutdown command to %s", serverName)
cmd := exec.Command("ssh", serverName, "sudo", "shutdown", "-h", "now")
return cmd.Run()
}
// Handle the root route - show status
func indexHandler(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
online := isServerOnline()
status := "Online"
color := "#4caf50" // Material green
if !online {
status = "Offline"
color = "#d32f2f" // Material red
}
data := StatusData{
Server: serverName,
Status: status,
Color: color,
IsTestMode: runtime.GOOS == "darwin",
}
renderTemplate(w, data)
}
// Handle boot request
func bootHandler(w http.ResponseWriter, r *http.Request) {
if !isServerOnline() {
// Boot the server using wakeonlan
err := sendWakeOnLAN()
if err != nil {
log.Printf("Error booting server: %v", err)
}
// Display booting status
data := StatusData{
Server: serverName,
Status: "Booting",
Color: "#607d8b", // Material blue-gray
IsTestMode: runtime.GOOS == "darwin",
}
renderTemplate(w, data)
} else {
// Server is already online
data := StatusData{
Server: serverName,
Status: "Online",
Color: "#4caf50", // Material green
IsTestMode: runtime.GOOS == "darwin",
}
renderTemplate(w, data)
}
}
// Handle shutdown request
func shutdownHandler(w http.ResponseWriter, r *http.Request) {
if isServerOnline() {
// Shutdown the server
err := shutdownServer()
if err != nil {
log.Printf("Error shutting down server: %v", err)
}
// Display shutting down status
data := StatusData{
Server: serverName,
Status: "Shutting down",
Color: "#5d4037", // Material brown
IsTestMode: runtime.GOOS == "darwin",
}
renderTemplate(w, data)
} else {
// Server is already offline
data := StatusData{
Server: serverName,
Status: "Offline",
Color: "#d32f2f", // Material red
IsTestMode: runtime.GOOS == "darwin",
}
renderTemplate(w, data)
}
}
// Render the HTML template
func renderTemplate(w http.ResponseWriter, data StatusData) {
tmpl, err := template.New("status").Parse(`
Server Status: {{.Server}}