code: func isExtraVolumeMountNeeded(caCertsExtraVolumePath string) bool {
  	if _, err := os.Stat(caCertsExtraVolumePath); err == nil {
  		return true
  	}
  	return false
  }
docs: // isExtraVolumeMountNeeded specifies whether /etc/pki should be host-mounted into the containers
  // On some systems were we host-mount /etc/ssl/certs, it is also required to mount /etc/pki. This is needed
  // due to symlinks pointing from files in /etc/ssl/certs into /etc/pki/