network

Documentation

Overview

Package network contains code to manipulate Linux network configuration.

Index

• func AddIpsetEntry(l logr.Logger, publicaddr string, ports []corev1.ServicePort) (err error)
• func ConfigureBridge(log logr.Logger, brname string) (*netlink.Bridge, error)
• func DelIpsetEntry(l logr.Logger, publicaddr string, ports []corev1.ServicePort) (err error)
• func GetInterfaceByIP(ip net.IP) (string, error)
• func GetOutboundIP() (net.IP, error)
• func IPTablesCheck(log logr.Logger, brname string) error

Functions

func AddIpsetEntry

func AddIpsetEntry(l logr.Logger, publicaddr string, ports []corev1.ServicePort) (err error)

AddIpsetEntry adds the provided address and ports to the appropriate set based on the IP family.

func ConfigureBridge

func ConfigureBridge(log logr.Logger, brname string) (*netlink.Bridge, error)

ConfigureBridge configures the bridge interface used to get packets from the Envoy pods to the customer endpoints. It's called "multus0" by default but that can be overridden in the ServicePrefix CR.

func DelIpsetEntry

func DelIpsetEntry(l logr.Logger, publicaddr string, ports []corev1.ServicePort) (err error)

DelIpsetEntry deletes the provided address and ports from the appropriate set based on the IP family.

func GetInterfaceByIP

func GetInterfaceByIP(ip net.IP) (string, error)

https://stackoverflow.com/a/63205544/5967960

func GetOutboundIP

func GetOutboundIP() (net.IP, error)

Get preferred outbound ip of this machine. https://stackoverflow.com/a/37382208/5967960

func IPTablesCheck

func IPTablesCheck(log logr.Logger, brname string) error

IPTablesCheck sets up the iptables rules.