Initialize Go module

utils.go

@@ -0,0 +1,100 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"html/template"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+)
+
+// StatusData holds data for the HTML template
+type StatusData struct {
+	Server          string
+	Status          string
+	Color           string
+	IsTestMode      bool
+	ConfirmShutdown bool
+	AskPassword     bool
+	ErrorMessage    string
+}
+
+var tmpl *template.Template
+
+// Setup the HTML template
+func setupTemplate() error {
+	// Check if templates directory exists, create if not
+	if _, err := os.Stat("templates"); os.IsNotExist(err) {
+		if err := os.Mkdir("templates", 0755); err != nil {
+			return fmt.Errorf("failed to create templates directory: %v", err)
+		}
+	}
+
+	// Path to the template file
+	templatePath := filepath.Join("templates", "status.html")
+
+	// Check if the template file exists
+	if _, err := os.Stat(templatePath); os.IsNotExist(err) {
+		log.Printf("Template file not found at %s. Please create it.", templatePath)
+		return fmt.Errorf("template file not found: %s", templatePath)
+	}
+
+	// Parse the template from the file
+	var err error
+	tmpl, err = template.ParseFiles(templatePath)
+	if err != nil {
+		return fmt.Errorf("failed to parse template: %v", err)
+	}
+
+	return nil
+}
+
+// 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 with password
+func shutdownServer(password string) error {
+    log.Printf("Sending shutdown command to %s", serverName)
+
+    // Add more SSH options to handle potential issues
+    cmd := exec.Command("sshpass", "-p", password, "ssh",
+        "-o", "StrictHostKeyChecking=no",
+        "-o", "UserKnownHostsFile=/dev/null",
+        "-o", "LogLevel=ERROR",
+        fmt.Sprintf("%s@%s", serverUser, serverName),
+        "sudo", "-S", "shutdown", "-h", "now")
+
+    // Capture stderr to log any error messages
+    var stderr bytes.Buffer
+    cmd.Stderr = &stderr
+
+    err := cmd.Run()
+    if err != nil {
+        log.Printf("SSH Error details: %s", stderr.String())
+        return fmt.Errorf("SSH command failed: %v - %s", err, stderr.String())
+    }
+
+    return nil
+}