moby--moby/libnetwork/drivers/bridge/setup_ipv4_test.go

87 lines
1.9 KiB
Go

package bridge
import (
"net"
"testing"
"github.com/docker/libnetwork/testutils"
"github.com/vishvananda/netlink"
)
func setupTestInterface(t *testing.T, nh *netlink.Handle) (*networkConfiguration, *bridgeInterface) {
config := &networkConfiguration{
BridgeName: DefaultBridgeName}
br := &bridgeInterface{nlh: nh}
if err := setupDevice(config, br); err != nil {
t.Fatalf("Bridge creation failed: %v", err)
}
return config, br
}
func TestSetupBridgeIPv4Fixed(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
ip, netw, err := net.ParseCIDR("192.168.1.1/24")
if err != nil {
t.Fatalf("Failed to parse bridge IPv4: %v", err)
}
nh, err := netlink.NewHandle()
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
config, br := setupTestInterface(t, nh)
config.AddressIPv4 = &net.IPNet{IP: ip, Mask: netw.Mask}
if err := setupBridgeIPv4(config, br); err != nil {
t.Fatalf("Failed to setup bridge IPv4: %v", err)
}
addrsv4, err := nh.AddrList(br.Link, netlink.FAMILY_V4)
if err != nil {
t.Fatalf("Failed to list device IPv4 addresses: %v", err)
}
var found bool
for _, addr := range addrsv4 {
if config.AddressIPv4.String() == addr.IPNet.String() {
found = true
break
}
}
if !found {
t.Fatalf("Bridge device does not have requested IPv4 address %v", config.AddressIPv4)
}
}
func TestSetupGatewayIPv4(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
nh, err := netlink.NewHandle()
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
ip, nw, _ := net.ParseCIDR("192.168.0.24/16")
nw.IP = ip
gw := net.ParseIP("192.168.2.254")
config := &networkConfiguration{
BridgeName: DefaultBridgeName,
DefaultGatewayIPv4: gw}
br := &bridgeInterface{bridgeIPv4: nw, nlh: nh}
if err := setupGatewayIPv4(config, br); err != nil {
t.Fatalf("Set Default Gateway failed: %v", err)
}
if !gw.Equal(br.gatewayIPv4) {
t.Fatalf("Set Default Gateway failed. Expected %v, Found %v", gw, br.gatewayIPv4)
}
}