See the License for the specific language governing permissions and
limitations under the License.
*/

package dns

// Read the DNS configuration from a resolv.conf file.

	}

	return stat.Mode().IsRegular(), nil
}

func getHostDNSConfig(resolverConfig string) (*runtimeapi.DNSConfig, error) {
	if resolverConfig == "" {
		// This handles "" by returning defaults.
		return getDNSConfig(resolverConfig)
	}

	isFile, err := fileExists(resolverConfig)
	if err != nil {
		err = fmt.Errorf(`Unexpected error while getting os.Stat for "%s" resolver config. Error: %w`, resolverConfig, err)

}

// Reads a resolv.conf-like file and returns the DNS config options from it.
// Returns an empty DNSConfig if the given resolverConfigFile is an empty string.
func getDNSConfig(resolverConfigFile string) (*runtimeapi.DNSConfig, error) {
	var hostDNS, hostSearch, hostOptions []string
	// Get host DNS settings
	if resolverConfigFile != "" {
		f, err := os.Open(resolverConfigFile)