kubernetes/pkg/util/iptables/save_restore.go

// MakeChainLine return an iptables-save/restore formatted chain line given a Chain
func MakeChainLine(chain Chain) string { … }

// GetChainsFromTable parses iptables-save data to find the chains that are defined. It
// assumes that save contains a single table's data, and returns a set with keys for every
// chain defined in that table.
func GetChainsFromTable(save []byte) sets.Set[Chain] { … }