Method DetectOS

agent-source-code/internal/system/system.go:165–232

DetectOS detects the operating system and version using /etc/os-release

()

// DetectOS detects the operating system and version using /etc/os-release
func (d *Detector) DetectOS() (osType, osVersion string, err error) {
	// Check for Windows first (uses gopsutil)
	if runtime.GOOS == "windows" {
		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
		defer cancel()
		info, infoErr := host.InfoWithContext(ctx)
		if infoErr != nil {
			return "Windows", "Unknown", nil
		}
		osVer := info.PlatformVersion
		if osVer == "" {
			osVer = "Unknown"
		}
		return "Windows", osVer, nil
	}
	// Check for FreeBSD first (doesn't have /etc/os-release)
	if d.isFreeBSD() {
		if d.isPfSense() {
			return d.getPfSenseInfo()
		}
		return d.getFreeBSDInfo()
	}

	// Try to parse /etc/os-release first
	osReleaseInfo, err := d.parseOSRelease()
	if err != nil {
		d.logger.WithError(err).Warn("Failed to parse /etc/os-release, falling back to gopsutil")

		// Fallback to gopsutil
		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
		defer cancel()

		info, err := host.InfoWithContext(ctx)
		if err != nil {
			d.logger.WithError(err).Warn("Failed to get host info")
			return "", "", err
		}

		osType = info.Platform
		osVersion = info.PlatformVersion

		return osType, osVersion, nil
	}

	// Use NAME for OS type (e.g., "Pop!_OS", "Debian GNU/Linux", "Rocky Linux")
	osType = osReleaseInfo.Name
	if osType == "" {
		osType = "Unknown"
	}

	// Use VERSION for OS version (e.g., "22.04 LTS", "12 (bookworm)", "10.0 (Red Quartz)")
	osVersion = osReleaseInfo.Version
	if osVersion == "" {
		osVersion = "Unknown"
	}

	d.logger.WithFields(logrus.Fields{
		"name":          osReleaseInfo.Name,