fix: extract Makeself archive with --noexec, then run setup.sh

- Uses Makeself --noexec --target to extract without running
- Then runs the embedded setup.sh with WALLARM_API_TOKEN and
  WALLARM_API_HOST env vars
- Interactive prompts handled via stdin pipe

internal/native/native.go

@@ -88,26 +88,39 @@ WALLARM_CONFIG_PATH=%s
 		return fmt.Errorf("write env: %w", err)
 	}
 
-	// 5. Run the meganode installer (piped token + region to avoid interactive prompts)
-	fmt.Printf("[%s] Running Wallarm installer...\n", node.Name)
-	installCmd := exec.Command(installerPath)
-	installCmd.Dir = workDir
-	installCmd.Env = append(os.Environ(),
+	// 5. Extract the Makeself archive (--noexec skips running setup.sh)
+	fmt.Printf("[%s] Extracting installer...\n", node.Name)
+	extractCmd := exec.Command("bash", installerPath, "--noexec", "--target", workDir, "--noprogress", "--accept")
+	extractCmd.Dir = workDir
+	if out, err := extractCmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("extract installer: %w\n%s", err, string(out))
+	}
+
+	// 6. Run the embedded setup.sh with our configuration
+	setupScript := filepath.Join(workDir, "setup.sh")
+	if _, err := os.Stat(setupScript); err != nil {
+		return fmt.Errorf("setup.sh not found after extraction: %w", err)
+	}
+	fmt.Printf("[%s] Running setup...\n", node.Name)
+	setupCmd := exec.Command("bash", setupScript)
+	setupCmd.Dir = workDir
+	setupCmd.Env = append(os.Environ(),
 		"WALLARM_API_TOKEN="+apiToken,
 		"WALLARM_API_HOST="+apiHost,
 		"WALLARM_LABELS="+labels,
+		"WALLARM_ACCEPT_EULA=true",
 	)
-	// Pipe token and region as stdin to skip interactive prompts
-	installCmd.Stdin = strings.NewReader(apiToken + "\n" + apiHost + "\n")
+	// Pipe token + host to handle interactive prompts
+	setupCmd.Stdin = strings.NewReader(apiToken + "\n" + apiHost + "\n")
 
 	logFile, err := os.Create(filepath.Join(workDir, "install.log"))
 	if err == nil {
-		installCmd.Stdout = logFile
-		installCmd.Stderr = logFile
+		setupCmd.Stdout = logFile
+		setupCmd.Stderr = logFile
 		defer logFile.Close()
 	}
 
-	if err := installCmd.Run(); err != nil {
+	if err := setupCmd.Run(); err != nil {
 		return fmt.Errorf("installation failed — check %s/install.log: %w", workDir, err)
 	}