# --cert-dir="/var/run/kubernetes": The directory where the TLS certs are located (by default /var/run/kubernetes). If --tls_cert_file and --tls_private_key_file are provided, this flag will be ignored.
# --tls-cert-file="": File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). If --tls_cert_file and --tls_private_key_file are not provided, a self-signed certificate and key are generated for the public address and saved to the directory passed to --cert_dir.