netutils

func AddIntToIP ¶

func AddIntToIP(ip net.IP, ordinal uint64) net.IP

Adds the ordinal IP to the current array 192.168.0.0 + 53 => 192.168.0.53

func DefaultGateway ¶

func DefaultGateway(cidr string) (string, error)

func DeleteInterfaceIfExists ¶

func DeleteInterfaceIfExists(ctx context.Context, nsfd netns.NsHandle, ifname string) error

func GenerateIfaceName ¶

func GenerateIfaceName(nlh netlink.Handler, prefix string, len int) (string, error)

GenerateIfaceName returns an interface name using the passed in prefix and the length of random bytes. The api ensures that the there are is no interface which exists with that name. From "github.com/docker/libnetwork/netutils"

func ParseAddr ¶

func ParseAddr(s string) (*netlink.Addr, error)

ParseAddr parses the string representation of an address in the form $ip/$netmask $label. The label portion is optional From "github.com/vishvananda/netlink"

func ToCIDR ¶ added in v0.4.4

func ToCIDR(ip net.IP, mask net.IPMask) string