mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
b3c883bb2f
Most of these tests are making use of the bridge network and do not work on Windows. Signed-off-by: Brian Goff <cpuguy83@gmail.com>
1365 lines
31 KiB
Go
1365 lines
31 KiB
Go
// +build linux
|
|
|
|
package libnetwork_test
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"testing"
|
|
|
|
"github.com/docker/docker/libnetwork"
|
|
"github.com/docker/docker/libnetwork/config"
|
|
"github.com/docker/docker/libnetwork/datastore"
|
|
"github.com/docker/docker/libnetwork/driverapi"
|
|
"github.com/docker/docker/libnetwork/ipamapi"
|
|
"github.com/docker/docker/libnetwork/netlabel"
|
|
"github.com/docker/docker/libnetwork/options"
|
|
"github.com/docker/docker/libnetwork/testutils"
|
|
"github.com/docker/docker/libnetwork/types"
|
|
"github.com/docker/docker/pkg/plugins"
|
|
"github.com/docker/docker/pkg/reexec"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
var controller libnetwork.NetworkController
|
|
|
|
func TestMain(m *testing.M) {
|
|
if runtime.GOOS == "windows" {
|
|
logrus.Info("Test suite does not currently support windows")
|
|
os.Exit(0)
|
|
}
|
|
if reexec.Init() {
|
|
return
|
|
}
|
|
|
|
if err := createController(); err != nil {
|
|
logrus.Errorf("Error creating controller: %v", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
x := m.Run()
|
|
controller.Stop()
|
|
os.Exit(x)
|
|
}
|
|
|
|
func createController() error {
|
|
var err error
|
|
|
|
// Cleanup local datastore file
|
|
os.Remove(datastore.DefaultScopes("")[datastore.LocalScope].Client.Address)
|
|
|
|
option := options.Generic{
|
|
"EnableIPForwarding": true,
|
|
}
|
|
|
|
genericOption := make(map[string]interface{})
|
|
genericOption[netlabel.GenericData] = option
|
|
|
|
cfgOptions, err := libnetwork.OptionBoltdbWithRandomDBFile()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
controller, err = libnetwork.New(append(cfgOptions, config.OptionDriverConfig(bridgeNetType, genericOption))...)
|
|
return err
|
|
}
|
|
|
|
func createTestNetwork(networkType, networkName string, netOption options.Generic, ipamV4Configs, ipamV6Configs []*libnetwork.IpamConf) (libnetwork.Network, error) {
|
|
return controller.NewNetwork(networkType, networkName, "",
|
|
libnetwork.NetworkOptionGeneric(netOption),
|
|
libnetwork.NetworkOptionIpam(ipamapi.DefaultIPAM, "", ipamV4Configs, ipamV6Configs, nil))
|
|
}
|
|
|
|
func getEmptyGenericOption() map[string]interface{} {
|
|
genericOption := make(map[string]interface{})
|
|
genericOption[netlabel.GenericData] = map[string]string{}
|
|
return genericOption
|
|
}
|
|
|
|
func getPortMapping() []types.PortBinding {
|
|
return []types.PortBinding{
|
|
{Proto: types.TCP, Port: uint16(230), HostPort: uint16(23000)},
|
|
{Proto: types.UDP, Port: uint16(200), HostPort: uint16(22000)},
|
|
{Proto: types.TCP, Port: uint16(120), HostPort: uint16(12000)},
|
|
{Proto: types.TCP, Port: uint16(320), HostPort: uint16(32000), HostPortEnd: uint16(32999)},
|
|
{Proto: types.UDP, Port: uint16(420), HostPort: uint16(42000), HostPortEnd: uint16(42001)},
|
|
}
|
|
}
|
|
|
|
func isNotFound(err error) bool {
|
|
_, ok := (err).(types.NotFoundError)
|
|
return ok
|
|
}
|
|
|
|
func TestNull(t *testing.T) {
|
|
cnt, err := controller.NewSandbox("null_container",
|
|
libnetwork.OptionHostname("test"),
|
|
libnetwork.OptionDomainname("docker.io"),
|
|
libnetwork.OptionExtraHost("web", "192.168.0.1"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
network, err := createTestNetwork("null", "testnull", options.Generic{}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := network.CreateEndpoint("testep")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Join(cnt)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Leave(cnt)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := ep.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := cnt.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// host type is special network. Cannot be removed.
|
|
err = network.Delete()
|
|
if err == nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Unexpected error type")
|
|
}
|
|
}
|
|
|
|
func TestUnknownDriver(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
_, err := createTestNetwork("unknowndriver", "testnetwork", options.Generic{}, nil, nil)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if !isNotFound(err) {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestNilRemoteDriver(t *testing.T) {
|
|
_, err := controller.NewNetwork("framerelay", "dummy", "",
|
|
libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if !isNotFound(err) {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestNetworkName(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}
|
|
|
|
_, err := createTestNetwork(bridgeNetType, "", netOption, nil, nil)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(libnetwork.ErrInvalidName); !ok {
|
|
t.Fatalf("Expected to fail with ErrInvalidName error. Got %v", err)
|
|
}
|
|
|
|
networkName := "testnetwork"
|
|
n, err := createTestNetwork(bridgeNetType, networkName, netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
if n.Name() != networkName {
|
|
t.Fatalf("Expected network name %s, got %s", networkName, n.Name())
|
|
}
|
|
}
|
|
|
|
func TestNetworkType(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
if n.Type() != bridgeNetType {
|
|
t.Fatalf("Expected network type %s, got %s", bridgeNetType, n.Type())
|
|
}
|
|
}
|
|
|
|
func TestNetworkID(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
if n.ID() == "" {
|
|
t.Fatal("Expected non-empty network id")
|
|
}
|
|
}
|
|
|
|
func TestDeleteNetworkWithActiveEndpoints(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
}
|
|
option := options.Generic{
|
|
netlabel.GenericData: netOption,
|
|
}
|
|
|
|
network, err := createTestNetwork(bridgeNetType, "testnetwork", option, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := network.CreateEndpoint("testep")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = network.Delete()
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(*libnetwork.ActiveEndpointsError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
|
|
// Done testing. Now cleanup.
|
|
if err := ep.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := network.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestNetworkConfig(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
// Verify config network cannot inherit another config network
|
|
_, err := controller.NewNetwork("bridge", "config_network0", "",
|
|
libnetwork.NetworkOptionConfigOnly(),
|
|
libnetwork.NetworkOptionConfigFrom("anotherConfigNw"))
|
|
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
|
|
// Create supported config network
|
|
netOption := options.Generic{
|
|
"EnableICC": false,
|
|
}
|
|
option := options.Generic{
|
|
netlabel.GenericData: netOption,
|
|
}
|
|
ipamV4ConfList := []*libnetwork.IpamConf{{PreferredPool: "192.168.100.0/24", SubPool: "192.168.100.128/25", Gateway: "192.168.100.1"}}
|
|
ipamV6ConfList := []*libnetwork.IpamConf{{PreferredPool: "2001:db8:abcd::/64", SubPool: "2001:db8:abcd::ef99/80", Gateway: "2001:db8:abcd::22"}}
|
|
|
|
netOptions := []libnetwork.NetworkOption{
|
|
libnetwork.NetworkOptionConfigOnly(),
|
|
libnetwork.NetworkOptionEnableIPv6(true),
|
|
libnetwork.NetworkOptionGeneric(option),
|
|
libnetwork.NetworkOptionIpam("default", "", ipamV4ConfList, ipamV6ConfList, nil),
|
|
}
|
|
|
|
configNetwork, err := controller.NewNetwork(bridgeNetType, "config_network0", "", netOptions...)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Verify a config-only network cannot be created with network operator configurations
|
|
for i, opt := range []libnetwork.NetworkOption{
|
|
libnetwork.NetworkOptionInternalNetwork(),
|
|
libnetwork.NetworkOptionAttachable(true),
|
|
libnetwork.NetworkOptionIngress(true),
|
|
} {
|
|
_, err = controller.NewNetwork(bridgeNetType, "testBR", "",
|
|
libnetwork.NetworkOptionConfigOnly(), opt)
|
|
if err == nil {
|
|
t.Fatalf("Expected to fail. But instead succeeded for option: %d", i)
|
|
}
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
// Verify a network cannot be created with both config-from and network specific configurations
|
|
for i, opt := range []libnetwork.NetworkOption{
|
|
libnetwork.NetworkOptionEnableIPv6(true),
|
|
libnetwork.NetworkOptionIpam("my-ipam", "", nil, nil, nil),
|
|
libnetwork.NetworkOptionIpam("", "", ipamV4ConfList, nil, nil),
|
|
libnetwork.NetworkOptionIpam("", "", nil, ipamV6ConfList, nil),
|
|
libnetwork.NetworkOptionLabels(map[string]string{"number": "two"}),
|
|
libnetwork.NetworkOptionDriverOpts(map[string]string{"com.docker.network.driver.mtu": "1600"}),
|
|
} {
|
|
_, err = controller.NewNetwork(bridgeNetType, "testBR", "",
|
|
libnetwork.NetworkOptionConfigFrom("config_network0"), opt)
|
|
if err == nil {
|
|
t.Fatalf("Expected to fail. But instead succeeded for option: %d", i)
|
|
}
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
// Create a valid network
|
|
network, err := controller.NewNetwork(bridgeNetType, "testBR", "",
|
|
libnetwork.NetworkOptionConfigFrom("config_network0"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Verify the config network cannot be removed
|
|
err = configNetwork.Delete()
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
|
|
// Delete network
|
|
if err := network.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Verify the config network can now be removed
|
|
if err := configNetwork.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
}
|
|
|
|
func TestUnknownNetwork(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
}
|
|
option := options.Generic{
|
|
netlabel.GenericData: netOption,
|
|
}
|
|
|
|
network, err := createTestNetwork(bridgeNetType, "testnetwork", option, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = network.Delete()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = network.Delete()
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(*libnetwork.UnknownNetworkError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestUnknownEndpoint(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
}
|
|
option := options.Generic{
|
|
netlabel.GenericData: netOption,
|
|
}
|
|
ipamV4ConfList := []*libnetwork.IpamConf{{PreferredPool: "192.168.100.0/24"}}
|
|
|
|
network, err := createTestNetwork(bridgeNetType, "testnetwork", option, ipamV4ConfList, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = network.CreateEndpoint("")
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
if _, ok := err.(libnetwork.ErrInvalidName); !ok {
|
|
t.Fatalf("Expected to fail with ErrInvalidName error. Actual error: %v", err)
|
|
}
|
|
|
|
ep, err := network.CreateEndpoint("testep")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Delete(false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Done testing. Now cleanup
|
|
if err := network.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestNetworkEndpointsWalkers(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
// Create network 1 and add 2 endpoint: ep11, ep12
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "network1",
|
|
},
|
|
}
|
|
|
|
net1, err := createTestNetwork(bridgeNetType, "network1", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := net1.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep11, err := net1.CreateEndpoint("ep11")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep11.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep12, err := net1.CreateEndpoint("ep12")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep12.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
// Test list methods on net1
|
|
epList1 := net1.Endpoints()
|
|
if len(epList1) != 2 {
|
|
t.Fatalf("Endpoints() returned wrong number of elements: %d instead of 2", len(epList1))
|
|
}
|
|
// endpoint order is not guaranteed
|
|
for _, e := range epList1 {
|
|
if e != ep11 && e != ep12 {
|
|
t.Fatal("Endpoints() did not return all the expected elements")
|
|
}
|
|
}
|
|
|
|
// Test Endpoint Walk method
|
|
var epName string
|
|
var epWanted libnetwork.Endpoint
|
|
wlk := func(ep libnetwork.Endpoint) bool {
|
|
if ep.Name() == epName {
|
|
epWanted = ep
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Look for ep1 on network1
|
|
epName = "ep11"
|
|
net1.WalkEndpoints(wlk)
|
|
if epWanted == nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ep11 != epWanted {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
current := len(controller.Networks())
|
|
|
|
// Create network 2
|
|
netOption = options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "network2",
|
|
},
|
|
}
|
|
|
|
net2, err := createTestNetwork(bridgeNetType, "network2", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := net2.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
// Test Networks method
|
|
if len(controller.Networks()) != current+1 {
|
|
t.Fatalf("Did not find the expected number of networks")
|
|
}
|
|
|
|
// Test Network Walk method
|
|
var netName string
|
|
var netWanted libnetwork.Network
|
|
nwWlk := func(nw libnetwork.Network) bool {
|
|
if nw.Name() == netName {
|
|
netWanted = nw
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Look for network named "network1" and "network2"
|
|
netName = "network1"
|
|
controller.WalkNetworks(nwWlk)
|
|
if netWanted == nil {
|
|
t.Fatal(err)
|
|
}
|
|
if net1.ID() != netWanted.ID() {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
netName = "network2"
|
|
controller.WalkNetworks(nwWlk)
|
|
if netWanted == nil {
|
|
t.Fatal(err)
|
|
}
|
|
if net2.ID() != netWanted.ID() {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestDuplicateEndpoint(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep2, err := n.CreateEndpoint("ep1")
|
|
defer func() {
|
|
// Cleanup ep2 as well, else network cleanup might fail for failure cases
|
|
if ep2 != nil {
|
|
if err := ep2.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestControllerQuery(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
// Create network 1
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "network1",
|
|
},
|
|
}
|
|
net1, err := createTestNetwork(bridgeNetType, "network1", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := net1.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
// Create network 2
|
|
netOption = options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "network2",
|
|
},
|
|
}
|
|
net2, err := createTestNetwork(bridgeNetType, "network2", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := net2.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
_, err = controller.NetworkByName("")
|
|
if err == nil {
|
|
t.Fatalf("NetworkByName() succeeded with invalid target name")
|
|
}
|
|
if _, ok := err.(libnetwork.ErrInvalidName); !ok {
|
|
t.Fatalf("Expected NetworkByName() to fail with ErrInvalidName error. Got: %v", err)
|
|
}
|
|
|
|
_, err = controller.NetworkByID("")
|
|
if err == nil {
|
|
t.Fatalf("NetworkByID() succeeded with invalid target id")
|
|
}
|
|
if _, ok := err.(libnetwork.ErrInvalidID); !ok {
|
|
t.Fatalf("NetworkByID() failed with unexpected error: %v", err)
|
|
}
|
|
|
|
g, err := controller.NetworkByID("network1")
|
|
if err == nil {
|
|
t.Fatalf("Unexpected success for NetworkByID(): %v", g)
|
|
}
|
|
if _, ok := err.(libnetwork.ErrNoSuchNetwork); !ok {
|
|
t.Fatalf("NetworkByID() failed with unexpected error: %v", err)
|
|
}
|
|
|
|
g, err = controller.NetworkByName("network1")
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByName(): %v", err)
|
|
}
|
|
if g == nil {
|
|
t.Fatalf("NetworkByName() did not find the network")
|
|
}
|
|
|
|
if g != net1 {
|
|
t.Fatalf("NetworkByName() returned the wrong network")
|
|
}
|
|
|
|
g, err = controller.NetworkByID(net1.ID())
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByID(): %v", err)
|
|
}
|
|
if net1.ID() != g.ID() {
|
|
t.Fatalf("NetworkByID() returned unexpected element: %v", g)
|
|
}
|
|
|
|
g, err = controller.NetworkByName("network2")
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByName(): %v", err)
|
|
}
|
|
if g == nil {
|
|
t.Fatalf("NetworkByName() did not find the network")
|
|
}
|
|
|
|
if g != net2 {
|
|
t.Fatalf("NetworkByName() returned the wrong network")
|
|
}
|
|
|
|
g, err = controller.NetworkByID(net2.ID())
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByID(): %v", err)
|
|
}
|
|
if net2.ID() != g.ID() {
|
|
t.Fatalf("NetworkByID() returned unexpected element: %v", g)
|
|
}
|
|
}
|
|
|
|
func TestNetworkQuery(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
// Create network 1 and add 2 endpoint: ep11, ep12
|
|
netOption := options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "network1",
|
|
},
|
|
}
|
|
net1, err := createTestNetwork(bridgeNetType, "network1", netOption, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := net1.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep11, err := net1.CreateEndpoint("ep11")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep11.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep12, err := net1.CreateEndpoint("ep12")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep12.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
e, err := net1.EndpointByName("ep11")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ep11 != e {
|
|
t.Fatalf("EndpointByName() returned %v instead of %v", e, ep11)
|
|
}
|
|
|
|
_, err = net1.EndpointByName("")
|
|
if err == nil {
|
|
t.Fatalf("EndpointByName() succeeded with invalid target name")
|
|
}
|
|
if _, ok := err.(libnetwork.ErrInvalidName); !ok {
|
|
t.Fatalf("Expected EndpointByName() to fail with ErrInvalidName error. Got: %v", err)
|
|
}
|
|
|
|
e, err = net1.EndpointByName("IamNotAnEndpoint")
|
|
if err == nil {
|
|
t.Fatalf("EndpointByName() succeeded with unknown target name")
|
|
}
|
|
if _, ok := err.(libnetwork.ErrNoSuchEndpoint); !ok {
|
|
t.Fatal(err)
|
|
}
|
|
if e != nil {
|
|
t.Fatalf("EndpointByName(): expected nil, got %v", e)
|
|
}
|
|
|
|
e, err = net1.EndpointByID(ep12.ID())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ep12.ID() != e.ID() {
|
|
t.Fatalf("EndpointByID() returned %v instead of %v", e, ep12)
|
|
}
|
|
|
|
_, err = net1.EndpointByID("")
|
|
if err == nil {
|
|
t.Fatalf("EndpointByID() succeeded with invalid target id")
|
|
}
|
|
if _, ok := err.(libnetwork.ErrInvalidID); !ok {
|
|
t.Fatalf("EndpointByID() failed with unexpected error: %v", err)
|
|
}
|
|
}
|
|
|
|
const containerID = "valid_c"
|
|
|
|
type fakeSandbox struct{}
|
|
|
|
func (f *fakeSandbox) ID() string {
|
|
return "fake sandbox"
|
|
}
|
|
|
|
func (f *fakeSandbox) ContainerID() string {
|
|
return ""
|
|
}
|
|
|
|
func (f *fakeSandbox) Key() string {
|
|
return "fake key"
|
|
}
|
|
|
|
func (f *fakeSandbox) Labels() map[string]interface{} {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) Statistics() (map[string]*types.InterfaceStatistics, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (f *fakeSandbox) Refresh(opts ...libnetwork.SandboxOption) error {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) Delete() error {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) Rename(name string) error {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) SetKey(key string) error {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) ResolveName(name string, ipType int) ([]net.IP, bool) {
|
|
return nil, false
|
|
}
|
|
|
|
func (f *fakeSandbox) ResolveIP(ip string) string {
|
|
return ""
|
|
}
|
|
|
|
func (f *fakeSandbox) ResolveService(name string) ([]*net.SRV, []net.IP) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (f *fakeSandbox) Endpoints() []libnetwork.Endpoint {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) EnableService() error {
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeSandbox) DisableService() error {
|
|
return nil
|
|
}
|
|
|
|
func TestEndpointDeleteWithActiveContainer(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
n2, err := createTestNetwork(bridgeNetType, "testnetwork2", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork2",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n2.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep.Delete(false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
cnt, err := controller.NewSandbox(containerID,
|
|
libnetwork.OptionHostname("test"),
|
|
libnetwork.OptionDomainname("docker.io"),
|
|
libnetwork.OptionExtraHost("web", "192.168.0.1"))
|
|
defer func() {
|
|
if err := cnt.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Join(cnt)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep.Leave(cnt)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Delete(false)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(*libnetwork.ActiveContainerError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestEndpointMultipleJoins(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testmultiple", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testmultiple",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
sbx1, err := controller.NewSandbox(containerID,
|
|
libnetwork.OptionHostname("test"),
|
|
libnetwork.OptionDomainname("docker.io"),
|
|
libnetwork.OptionExtraHost("web", "192.168.0.1"))
|
|
defer func() {
|
|
if err := sbx1.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
sbx2, err := controller.NewSandbox("c2")
|
|
defer func() {
|
|
if err := sbx2.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Join(sbx1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep.Leave(sbx1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Join(sbx2)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail multiple joins for the same endpoint")
|
|
}
|
|
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Failed with unexpected error type: %T. Desc: %s", err, err.Error())
|
|
}
|
|
|
|
}
|
|
|
|
func TestLeaveAll(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
// If this goes through, it means cnt.Delete() effectively detached from all the endpoints
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
n2, err := createTestNetwork(bridgeNetType, "testnetwork2", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork2",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n2.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep1, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep2, err := n2.CreateEndpoint("ep2")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cnt, err := controller.NewSandbox("leaveall")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep1.Join(cnt)
|
|
if err != nil {
|
|
t.Fatalf("Failed to join ep1: %v", err)
|
|
}
|
|
|
|
err = ep2.Join(cnt)
|
|
if err != nil {
|
|
t.Fatalf("Failed to join ep2: %v", err)
|
|
}
|
|
|
|
err = cnt.Delete()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestContainerInvalidLeave(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := ep.Delete(false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
cnt, err := controller.NewSandbox(containerID,
|
|
libnetwork.OptionHostname("test"),
|
|
libnetwork.OptionDomainname("docker.io"),
|
|
libnetwork.OptionExtraHost("web", "192.168.0.1"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := cnt.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Leave(cnt)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail leave from an endpoint which has no active join")
|
|
}
|
|
if _, ok := err.(types.ForbiddenError); !ok {
|
|
t.Fatalf("Failed with unexpected error type: %T. Desc: %s", err, err.Error())
|
|
}
|
|
|
|
if err = ep.Leave(nil); err == nil {
|
|
t.Fatalf("Expected to fail leave nil Sandbox")
|
|
}
|
|
if _, ok := err.(types.BadRequestError); !ok {
|
|
t.Fatalf("Unexpected error type returned: %T. Desc: %s", err, err.Error())
|
|
}
|
|
|
|
fsbx := &fakeSandbox{}
|
|
if err = ep.Leave(fsbx); err == nil {
|
|
t.Fatalf("Expected to fail leave with invalid Sandbox")
|
|
}
|
|
if _, ok := err.(types.BadRequestError); !ok {
|
|
t.Fatalf("Unexpected error type returned: %T. Desc: %s", err, err.Error())
|
|
}
|
|
}
|
|
|
|
func TestEndpointUpdateParent(t *testing.T) {
|
|
if !testutils.IsRunningInContainer() {
|
|
defer testutils.SetupTestOSContext(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
|
|
netlabel.GenericData: options.Generic{
|
|
"BridgeName": "testnetwork",
|
|
},
|
|
}, nil, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep1, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep2, err := n.CreateEndpoint("ep2")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
sbx1, err := controller.NewSandbox(containerID,
|
|
libnetwork.OptionHostname("test"),
|
|
libnetwork.OptionDomainname("docker.io"),
|
|
libnetwork.OptionExtraHost("web", "192.168.0.1"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := sbx1.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
sbx2, err := controller.NewSandbox("c2",
|
|
libnetwork.OptionHostname("test2"),
|
|
libnetwork.OptionDomainname("docker.io"),
|
|
libnetwork.OptionHostsPath("/var/lib/docker/test_network/container2/hosts"),
|
|
libnetwork.OptionExtraHost("web", "192.168.0.2"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := sbx2.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep1.Join(sbx1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep2.Join(sbx2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestInvalidRemoteDriver(t *testing.T) {
|
|
mux := http.NewServeMux()
|
|
server := httptest.NewServer(mux)
|
|
if server == nil {
|
|
t.Fatal("Failed to start an HTTP Server")
|
|
}
|
|
defer server.Close()
|
|
|
|
mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
|
|
fmt.Fprintln(w, `{"Implements": ["InvalidDriver"]}`)
|
|
})
|
|
|
|
if err := os.MkdirAll(specPath, 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := os.RemoveAll(specPath); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
if err := ioutil.WriteFile(filepath.Join(specPath, "invalid-network-driver.spec"), []byte(server.URL), 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ctrlr, err := libnetwork.New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer ctrlr.Stop()
|
|
|
|
_, err = ctrlr.NewNetwork("invalid-network-driver", "dummy", "",
|
|
libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if err != plugins.ErrNotImplements {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestValidRemoteDriver(t *testing.T) {
|
|
mux := http.NewServeMux()
|
|
server := httptest.NewServer(mux)
|
|
if server == nil {
|
|
t.Fatal("Failed to start an HTTP Server")
|
|
}
|
|
defer server.Close()
|
|
|
|
mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
|
|
fmt.Fprintf(w, `{"Implements": ["%s"]}`, driverapi.NetworkPluginEndpointType)
|
|
})
|
|
mux.HandleFunc(fmt.Sprintf("/%s.GetCapabilities", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
|
|
fmt.Fprintf(w, `{"Scope":"local"}`)
|
|
})
|
|
mux.HandleFunc(fmt.Sprintf("/%s.CreateNetwork", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
|
|
fmt.Fprintf(w, "null")
|
|
})
|
|
mux.HandleFunc(fmt.Sprintf("/%s.DeleteNetwork", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
|
|
fmt.Fprintf(w, "null")
|
|
})
|
|
|
|
if err := os.MkdirAll(specPath, 0755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
if err := os.RemoveAll(specPath); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
if err := ioutil.WriteFile(filepath.Join(specPath, "valid-network-driver.spec"), []byte(server.URL), 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
n, err := controller.NewNetwork("valid-network-driver", "dummy", "",
|
|
libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
|
|
if err != nil {
|
|
// Only fail if we could not find the plugin driver
|
|
if isNotFound(err) {
|
|
t.Fatal(err)
|
|
}
|
|
return
|
|
}
|
|
defer func() {
|
|
if err := n.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
var (
|
|
start = make(chan struct{})
|
|
done = make(chan chan struct{}, numThreads-1)
|
|
sboxes = make([]libnetwork.Sandbox, numThreads)
|
|
)
|
|
|
|
const (
|
|
iterCnt = 25
|
|
numThreads = 3
|
|
first = 1
|
|
last = numThreads
|
|
debug = false
|
|
)
|
|
|
|
func debugf(format string, a ...interface{}) {
|
|
if debug {
|
|
fmt.Printf(format, a...)
|
|
}
|
|
}
|