INNER CODE UNIT · Go

newIPTablesRules

uswitch/kiam · cmd/kiam/iptables.go:35

func newIPTablesRules(host string, kiamPort int, hostInterface string) *rules {
	return &rules{host: host, kiamPort: kiamPort, hostInterface: hostInterface}
}

func (r *rules) Add() error {
	ipt, err := iptables.New()
	if err != nil {
		return err
	}

	return ipt.AppendUnique("nat", "PREROUTING", r.ruleSpec()...)
}

func (r *rules) ruleSpec() []string {
	rules := []string{
		"-p", "tcp",
		"-d", metadataAddress,
		"--dport", "80",

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