runc/netlink/netlink_linux_test.go

127 lines
2.2 KiB
Go

package netlink
import (
"net"
"strings"
"testing"
)
func ipAssigned(iface *net.Interface, ip net.IP) bool {
addrs, _ := iface.Addrs()
for _, addr := range addrs {
args := strings.SplitN(addr.String(), "/", 2)
if args[0] == ip.String() {
return true
}
}
return false
}
func TestAddDelNetworkIp(t *testing.T) {
if testing.Short() {
return
}
ifaceName := "lo"
ip := net.ParseIP("127.0.1.1")
mask := net.IPv4Mask(255, 255, 255, 255)
ipNet := &net.IPNet{IP: ip, Mask: mask}
iface, err := net.InterfaceByName(ifaceName)
if err != nil {
t.Skip("No 'lo' interface; skipping tests")
}
if err := NetworkLinkAddIp(iface, ip, ipNet); err != nil {
t.Fatal(err)
}
if !ipAssigned(iface, ip) {
t.Fatalf("Could not locate address '%s' in lo address list.", ip.String())
}
if err := NetworkLinkDelIp(iface, ip, ipNet); err != nil {
t.Fatal(err)
}
if ipAssigned(iface, ip) {
t.Fatalf("Located address '%s' in lo address list after removal.", ip.String())
}
}
func TestCreateBridgeWithMac(t *testing.T) {
if testing.Short() {
return
}
name := "testbridge"
if err := CreateBridge(name, true); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name); err != nil {
t.Fatal(err)
}
// cleanup and tests
if err := DeleteBridge(name); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name); err == nil {
t.Fatalf("expected error getting interface because %s bridge was deleted", name)
}
}
func TestCreateBridgeLink(t *testing.T) {
if testing.Short() {
return
}
name := "mybrlink"
if err := NetworkLinkAdd(name, "bridge"); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name); err != nil {
t.Fatal(err)
}
if err := NetworkLinkDel(name); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name); err == nil {
t.Fatalf("expected error getting interface because %s bridge was deleted", name)
}
}
func TestCreateVethPair(t *testing.T) {
if testing.Short() {
return
}
var (
name1 = "veth1"
name2 = "veth2"
)
if err := NetworkCreateVethPair(name1, name2); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name1); err != nil {
t.Fatal(err)
}
if _, err := net.InterfaceByName(name2); err != nil {
t.Fatal(err)
}
}