Method probeNFSServer

pkgcache/cache_setup.go:394–407

probeNFSServer checks the NFS server's reachability before the mount call.

(serverExport string)

// probeNFSServer checks the NFS server's reachability before the mount call.
func (n *NFSClientSetup) probeNFSServer(serverExport string) error {
	host, _, ok := strings.Cut(serverExport, ":")
	if !ok || host == "" {
		return fmt.Errorf("invalid server export %q (expected <server>:<path>)", serverExport)
	}

	// Ping to test if ip/hostname is reachable.
	pingStart := time.Now()
	if _, err := cmd.NewExecutor("", "ping", "-c", "1", "-W", "3", host).ExecuteOutput(); err != nil {
		return fmt.Errorf("NFS server %q is not reachable (ping failed in %s); check the IP/hostname and the network -> %w", host, time.Since(pingStart).Truncate(time.Millisecond), err)
	}

	return nil
}

// checkServerTools verifies that all system packages needed by server setup are installed.
func checkServerTools() error {