utils

Documentation

Index

• Constants
• func AddRoute(ipn *net.IPNet, gw net.IP, dev netlink.Link) error
• func CheckDefaultRouteExist(table int, family int) (bool, error)
• func CheckIPIsGlobalUnicast(ip net.IP) bool
• func CheckIPv6Disabled(nicName string) (bool, error)
• func CheckIPv6GlobalDisabled() (bool, error)
• func CheckPodNeighExist(podIP net.IP, forwardNodeIfIndex int, family int) (bool, error)
• func CheckPodRuleExist(podCidr *net.IPNet, family int) (bool, int, error)
• func ConfigureIface(ifName string, res *current.Result) error
• func EnableIPForward(family int) error
• func EnsureIPReachable(ip net.IP) error
• func EnsureNeighGCThresh(family int, neighGCThresh1, neighGCThresh2, neighGCThresh3 int) error
• func EnsureVlanIf(nodeIfName string, vlanID *int32) (string, error)
• func FindSubnetExcludeIPBlocks(cidr *net.IPNet, includedRanges []*IPRange, gateway net.IP, ...) ([]*net.IPNet, error)
• func GenerateIPListString(addrList []netlink.Addr) string
• func GenerateVlanNetIfName(parentName string, vlanID *int32) (string, error)
• func GenerateVxlanNetIfName(parentName string, vlanID *int32) (string, error)
• func GetDefaultInterface(family int) (*net.Interface, error)
• func GetDefaultRoute(family int) (*netlink.Route, error)
• func GetInterfaceByPreferString(preferString string) (*net.Interface, error)
• func GetSysctl(sysctlPath string) (int, error)
• func IsDefaultRoute(route *netlink.Route, family int) bool
• func IsFs(path string, magic int64) bool
• func IsNsFS(path string) bool
• func IsProcFS(path string) bool
• func LastIP(cidr *net.IPNet) net.IP
• func ListAllAddress(link netlink.Link) ([]netlink.Addr, error)
• func SetSysctl(sysctlPath string, newVal int) error
• func SetSysctlIgnoreNotExist(sysctlPath string, newVal int) error
• func ValidDockerNetnsDir(path string) bool
• type HybridnetDaemonError
  • func (e HybridnetDaemonError) Error() string
• type IPInfo
• type IPRange
  • func CreateIPRange(start, end net.IP) (*IPRange, error)
  • func (ir *IPRange) TryAddIP(ipAddr net.IP) (success bool)

Constants

const (
	NotExist = HybridnetDaemonError("not exist")
)

Functions

func AddRoute

func AddRoute(ipn *net.IPNet, gw net.IP, dev netlink.Link) error

AddRoute adds a universally-scoped route. If no direct route contains gw IP, add single route for gw.

func CheckDefaultRouteExist

func CheckDefaultRouteExist(table int, family int) (bool, error)

func CheckIPIsGlobalUnicast

func CheckIPIsGlobalUnicast(ip net.IP) bool

func CheckIPv6Disabled

func CheckIPv6Disabled(nicName string) (bool, error)

func CheckIPv6GlobalDisabled

func CheckIPv6GlobalDisabled() (bool, error)

func CheckPodNeighExist

func CheckPodNeighExist(podIP net.IP, forwardNodeIfIndex int, family int) (bool, error)

func CheckPodRuleExist

func CheckPodRuleExist(podCidr *net.IPNet, family int) (bool, int, error)

func ConfigureIface

func ConfigureIface(ifName string, res *current.Result) error

ConfigureIface takes the result of IPAM plugin and applies to the ifName interface.

func EnableIPForward

func EnableIPForward(family int) error

func EnsureIPReachable

func EnsureIPReachable(ip net.IP) error

func EnsureNeighGCThresh

func EnsureNeighGCThresh(family int, neighGCThresh1, neighGCThresh2, neighGCThresh3 int) error

func EnsureVlanIf

func EnsureVlanIf(nodeIfName string, vlanID *int32) (string, error)

func FindSubnetExcludeIPBlocks

func FindSubnetExcludeIPBlocks(cidr *net.IPNet, includedRanges []*IPRange, gateway net.IP,
	excludeIPs []net.IP) ([]*net.IPNet, error)

Translate a subnet range into a series ip block description.

func GenerateIPListString

func GenerateIPListString(addrList []netlink.Addr) string

func GenerateVlanNetIfName

func GenerateVlanNetIfName(parentName string, vlanID *int32) (string, error)

func GenerateVxlanNetIfName

func GenerateVxlanNetIfName(parentName string, vlanID *int32) (string, error)

func GetDefaultInterface

func GetDefaultInterface(family int) (*net.Interface, error)

func GetDefaultRoute

func GetDefaultRoute(family int) (*netlink.Route, error)

func GetInterfaceByPreferString

func GetInterfaceByPreferString(preferString string) (*net.Interface, error)

GetInterfaceByPreferString return first valid interface by prefer string.

func GetSysctl

func GetSysctl(sysctlPath string) (int, error)

GetSysctl modifies the specified sysctl flag to the new value

func IsDefaultRoute

func IsDefaultRoute(route *netlink.Route, family int) bool

func IsFs

func IsFs(path string, magic int64) bool

func IsNsFS

func IsNsFS(path string) bool

func IsProcFS

func IsProcFS(path string) bool

func LastIP

func LastIP(cidr *net.IPNet) net.IP

func ListAllAddress

func ListAllAddress(link netlink.Link) ([]netlink.Addr, error)

func SetSysctl

func SetSysctl(sysctlPath string, newVal int) error

SetSysctl modifies the specified sysctl flag to the new value

func SetSysctlIgnoreNotExist

func SetSysctlIgnoreNotExist(sysctlPath string, newVal int) error

func ValidDockerNetnsDir

func ValidDockerNetnsDir(path string) bool

Types

type HybridnetDaemonError

type HybridnetDaemonError string

func (HybridnetDaemonError) Error

func (e HybridnetDaemonError) Error() string

type IPInfo

type IPInfo struct {
	Addr  net.IP
	Gw    net.IP
	Cidr  *net.IPNet
	NetID *int32
}

type IPRange

type IPRange struct {
	// contains filtered or unexported fields
}

func CreateIPRange

func CreateIPRange(start, end net.IP) (*IPRange, error)

func (*IPRange) TryAddIP

func (ir *IPRange) TryAddIP(ipAddr net.IP) (success bool)