AssignPublicIP assign the publicIP to the interface with the localIP.

GeoIP returns the geographical location of the requester IP address using an external service.

LocalIPv4 returns the IPv4 address configured for the main network interface.

PublicIPv4 returns the public IPv4 address of the requester.

RewritePublicIP adds iptables rules to rewrite incoming packets with the publicIP and outgoing packets with the localIP.

SetHostname sets the node hostname and update the hosts file.

SetKubeletNodeIP sets the node IP in the kubelet configuration.