package libnetwork_test
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"os"
"runtime"
"strconv"
"sync"
"testing"
log "github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/plugins"
"github.com/docker/docker/pkg/reexec"
"github.com/docker/libnetwork"
"github.com/docker/libnetwork/datastore"
"github.com/docker/libnetwork/driverapi"
"github.com/docker/libnetwork/netlabel"
"github.com/docker/libnetwork/netutils"
"github.com/docker/libnetwork/options"
"github.com/docker/libnetwork/types"
"github.com/vishvananda/netlink"
"github.com/vishvananda/netns"
)
const (
bridgeNetType = "bridge"
)
var controller libnetwork.NetworkController
func TestMain(m *testing.M) {
if reexec.Init() {
return
}
if err := createController(); err != nil {
os.Exit(1)
}
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
err := controller.ConfigureNetworkDriver(bridgeNetType, genericOption)
if err != nil {
//m.Fatal(err)
os.Exit(1)
}
libnetwork.SetTestDataStore(controller, datastore.NewCustomDataStore(datastore.NewMockStore()))
os.Exit(m.Run())
}
func createController() error {
var err error
controller, err = libnetwork.New()
if err != nil {
return err
}
return nil
}
func createTestNetwork(networkType, networkName string, netOption options.Generic) (libnetwork.Network, error) {
network, err := controller.NewNetwork(networkType, networkName,
libnetwork.NetworkOptionGeneric(netOption))
if err != nil {
return nil, err
}
return network, nil
}
func getEmptyGenericOption() map[string]interface{} {
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = options.Generic{}
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 TestNull(t *testing.T) {
network, err := createTestNetwork("null", "testnull", options.Generic{})
if err != nil {
t.Fatal(err)
}
ep, err := network.CreateEndpoint("testep")
if err != nil {
t.Fatal(err)
}
err = ep.Join("null_container",
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
if err != nil {
t.Fatal(err)
}
err = ep.Leave("null_container")
if err != nil {
t.Fatal(err)
}
if err := ep.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 TestHost(t *testing.T) {
network, err := createTestNetwork("host", "testhost", options.Generic{})
if err != nil {
t.Fatal(err)
}
ep1, err := network.CreateEndpoint("testep1")
if err != nil {
t.Fatal(err)
}
err = ep1.Join("host_container1",
libnetwork.JoinOptionHostname("test1"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"),
libnetwork.JoinOptionUseDefaultSandbox())
if err != nil {
t.Fatal(err)
}
ep2, err := network.CreateEndpoint("testep2")
if err != nil {
t.Fatal(err)
}
err = ep2.Join("host_container2",
libnetwork.JoinOptionHostname("test2"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"),
libnetwork.JoinOptionUseDefaultSandbox())
if err != nil {
t.Fatal(err)
}
err = ep1.Leave("host_container1")
if err != nil {
t.Fatal(err)
}
err = ep2.Leave("host_container2")
if err != nil {
t.Fatal(err)
}
if err := ep1.Delete(); err != nil {
t.Fatal(err)
}
if err := ep2.Delete(); err != nil {
t.Fatal(err)
}
// Try to create another host endpoint and join/leave that.
ep3, err := network.CreateEndpoint("testep3")
if err != nil {
t.Fatal(err)
}
err = ep3.Join("host_container3",
libnetwork.JoinOptionHostname("test3"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"),
libnetwork.JoinOptionUseDefaultSandbox())
if err != nil {
t.Fatal(err)
}
err = ep3.Leave("host_container3")
if err != nil {
t.Fatal(err)
}
if err := ep3.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 TestBridge(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
ip, subnet, err := net.ParseCIDR("192.168.100.1/24")
if err != nil {
t.Fatal(err)
}
subnet.IP = ip
ip, cidr, err := net.ParseCIDR("192.168.100.2/28")
if err != nil {
t.Fatal(err)
}
cidr.IP = ip
ip, cidrv6, err := net.ParseCIDR("fe90::1/96")
if err != nil {
t.Fatal(err)
}
cidrv6.IP = ip
log.Debug("Adding a bridge")
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AddressIPv4": subnet,
"FixedCIDR": cidr,
"FixedCIDRv6": cidrv6,
"EnableIPv6": true,
"EnableICC": true,
"AllowNonDefaultBridge": true,
"EnableIPMasquerade": true,
},
}
network, err := createTestNetwork(bridgeNetType, "testnetwork", netOption)
if err != nil {
t.Fatal(err)
}
ep, err := network.CreateEndpoint("testep", libnetwork.CreateOptionPortMapping(getPortMapping()))
if err != nil {
t.Fatal(err)
}
epInfo, err := ep.DriverInfo()
if err != nil {
t.Fatal(err)
}
pmd, ok := epInfo[netlabel.PortMap]
if !ok {
t.Fatalf("Could not find expected info in endpoint data")
}
pm, ok := pmd.([]types.PortBinding)
if !ok {
t.Fatalf("Unexpected format for port mapping in endpoint operational data")
}
if len(pm) != 5 {
t.Fatalf("Incomplete data for port mapping in endpoint operational data: %d", len(pm))
}
if err := ep.Delete(); err != nil {
t.Fatal(err)
}
if err := network.Delete(); err != nil {
t.Fatal(err)
}
}
func TestUnknownDriver(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
_, err := createTestNetwork("unknowndriver", "testnetwork", options.Generic{})
if err == nil {
t.Fatal("Expected to fail. But instead succeeded")
}
if _, ok := err.(types.NotFoundError); !ok {
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 _, ok := err.(types.NotFoundError); !ok {
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
}
}
func TestDuplicateNetwork(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
// Creating a default bridge name network (can't be removed)
_, err := controller.NewNetwork(bridgeNetType, "testdup")
if err != nil {
t.Fatal(err)
}
_, err = controller.NewNetwork(bridgeNetType, "testdup")
if err == nil {
t.Fatal("Expected to fail. But instead succeeded")
}
if _, ok := err.(libnetwork.NetworkNameError); !ok {
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
}
}
func TestNetworkName(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
}
_, err := createTestNetwork(bridgeNetType, "", netOption)
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)
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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", netOption)
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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", netOption)
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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
netOption := options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true}
option := options.Generic{
netlabel.GenericData: netOption,
}
network, err := createTestNetwork(bridgeNetType, "testnetwork", option)
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(); err != nil {
t.Fatal(err)
}
if err := network.Delete(); err != nil {
t.Fatal(err)
}
}
func TestUnknownNetwork(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
netOption := options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true}
option := options.Generic{
netlabel.GenericData: netOption,
}
network, err := createTestNetwork(bridgeNetType, "testnetwork", option)
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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
ip, subnet, err := net.ParseCIDR("192.168.100.1/24")
if err != nil {
t.Fatal(err)
}
subnet.IP = ip
netOption := options.Generic{
"BridgeName": "testnetwork",
"AddressIPv4": subnet,
"AllowNonDefaultBridge": true}
option := options.Generic{
netlabel.GenericData: netOption,
}
network, err := createTestNetwork(bridgeNetType, "testnetwork", option)
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()
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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
// Create network 1 and add 2 endpoint: ep11, ep12
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "network1",
"AllowNonDefaultBridge": true,
},
}
net1, err := createTestNetwork(bridgeNetType, "network1", netOption)
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(); err != nil {
t.Fatal(err)
}
}()
ep12, err := net1.CreateEndpoint("ep12")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep12.Delete(); 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",
"AllowNonDefaultBridge": true,
},
}
net2, err := createTestNetwork(bridgeNetType, "network2", netOption)
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 != netWanted {
t.Fatal(err)
}
netName = "network2"
controller.WalkNetworks(nwWlk)
if netWanted == nil {
t.Fatal(err)
}
if net2 != netWanted {
t.Fatal(err)
}
}
func TestDuplicateEndpoint(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", netOption)
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(); 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(); 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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
// Create network 1
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "network1",
"AllowNonDefaultBridge": true,
},
}
net1, err := createTestNetwork(bridgeNetType, "network1", netOption)
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",
"AllowNonDefaultBridge": true,
},
}
net2, err := createTestNetwork(bridgeNetType, "network2", netOption)
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 != g {
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 != g {
t.Fatalf("NetworkByID() returned unexpected element: %v", g)
}
}
func TestNetworkQuery(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
// Create network 1 and add 2 endpoint: ep11, ep12
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "network1",
"AllowNonDefaultBridge": true,
},
}
net1, err := createTestNetwork(bridgeNetType, "network1", netOption)
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(); err != nil {
t.Fatal(err)
}
}()
ep12, err := net1.CreateEndpoint("ep12")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep12.Delete(); 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)
}
e, 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 != e {
t.Fatalf("EndpointByID() returned %v instead of %v", e, ep12)
}
e, 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_container"
func checkSandbox(t *testing.T, info libnetwork.EndpointInfo) {
origns, err := netns.Get()
if err != nil {
t.Fatalf("Could not get the current netns: %v", err)
}
defer origns.Close()
key := info.SandboxKey()
f, err := os.OpenFile(key, os.O_RDONLY, 0)
if err != nil {
t.Fatalf("Failed to open network namespace path %q: %v", key, err)
}
defer f.Close()
runtime.LockOSThread()
defer runtime.UnlockOSThread()
nsFD := f.Fd()
if err = netns.Set(netns.NsHandle(nsFD)); err != nil {
t.Fatalf("Setting to the namespace pointed to by the sandbox %s failed: %v", key, err)
}
defer netns.Set(origns)
_, err = netlink.LinkByName("eth0")
if err != nil {
t.Fatalf("Could not find the interface eth0 inside the sandbox: %v", err)
}
_, err = netlink.LinkByName("eth1")
if err != nil {
t.Fatalf("Could not find the interface eth1 inside the sandbox: %v", err)
}
}
func TestEndpointJoin(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
// Create network 1 and add 2 endpoint: ep11, ep12
n1, err := createTestNetwork(bridgeNetType, "testnetwork1", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork1",
"AllowNonDefaultBridge": true,
},
})
if err != nil {
t.Fatal(err)
}
defer func() {
if err := n1.Delete(); err != nil {
t.Fatal(err)
}
}()
ep1, err := n1.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep1.Delete(); err != nil {
t.Fatal(err)
}
}()
// Validate if ep.Info() only gives me IP address info and not names and gateway during CreateEndpoint()
info := ep1.Info()
for _, iface := range info.InterfaceList() {
if iface.Address().IP.To4() == nil {
t.Fatalf("Invalid IP address returned: %v", iface.Address())
}
}
if info.Gateway().To4() != nil {
t.Fatalf("Expected empty gateway for an empty endpoint. Instead found a gateway: %v", info.Gateway())
}
if info.SandboxKey() != "" {
t.Fatalf("Expected an empty sandbox key for an empty endpoint. Instead found a non-empty sandbox key: %s", info.SandboxKey())
}
defer controller.LeaveAll(containerID)
err = ep1.Join(containerID,
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep1.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
// Validate if ep.Info() only gives valid gateway and sandbox key after has container has joined.
info = ep1.Info()
if info.Gateway().To4() == nil {
t.Fatalf("Expected a valid gateway for a joined endpoint. Instead found an invalid gateway: %v", info.Gateway())
}
if info.SandboxKey() == "" {
t.Fatalf("Expected an non-empty sandbox key for a joined endpoint. Instead found a empty sandbox key")
}
// Check endpoint provided container information
if ep1.ContainerInfo().ID() != containerID {
t.Fatalf("Endpoint ContainerInfo returned unexpected id: %s", ep1.ContainerInfo().ID())
}
// Attempt retrieval of endpoint interfaces statistics
stats, err := ep1.Statistics()
if err != nil {
t.Fatal(err)
}
if _, ok := stats["eth0"]; !ok {
t.Fatalf("Did not find eth0 statistics")
}
// Now test the container joining another network
n2, err := createTestNetwork(bridgeNetType, "testnetwork2",
options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork2",
"AllowNonDefaultBridge": true,
},
})
if err != nil {
t.Fatal(err)
}
defer func() {
if err := n2.Delete(); err != nil {
t.Fatal(err)
}
}()
ep2, err := n2.CreateEndpoint("ep2")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep2.Delete(); err != nil {
t.Fatal(err)
}
}()
err = ep2.Join(containerID)
if err != nil {
t.Fatal(err)
}
runtime.LockOSThread()
defer func() {
err = ep2.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
if ep1.ContainerInfo().ID() != ep2.ContainerInfo().ID() {
t.Fatalf("ep1 and ep2 returned different container info")
}
checkSandbox(t, info)
}
func TestEndpointJoinInvalidContainerId(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
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(); err != nil {
t.Fatal(err)
}
}()
err = ep.Join("")
if err == nil {
t.Fatal("Expected to fail join with empty container id string")
}
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
t.Fatalf("Failed for unexpected reason: %v", err)
}
}
func TestEndpointDeleteWithActiveContainer(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
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() {
err = ep.Delete()
if err != nil {
t.Fatal(err)
}
}()
defer controller.LeaveAll(containerID)
err = ep.Join(containerID,
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
err = ep.Delete()
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 !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
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(); err != nil {
t.Fatal(err)
}
}()
defer controller.LeaveAll(containerID)
err = ep.Join(containerID,
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
err = ep.Join("container2")
if err == nil {
t.Fatal("Expected to fail multiple joins for the same endpoint")
}
if _, ok := err.(libnetwork.ErrInvalidJoin); !ok {
t.Fatalf("Failed for unexpected reason: %v", err)
}
}
func TestLeaveAll(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
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)
}
defer func() {
if err := ep1.Delete(); err != nil {
t.Fatal(err)
}
}()
ep2, err := n.CreateEndpoint("ep2")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep2.Delete(); err != nil {
t.Fatal(err)
}
}()
err = ep1.Join("leaveall")
if err != nil {
t.Fatalf("Failed to join ep1: %v", err)
}
runtime.LockOSThread()
err = ep2.Join("leaveall")
if err != nil {
t.Fatalf("Failed to join ep2: %v", err)
}
runtime.LockOSThread()
err = ep1.Leave("leaveall")
if err != nil {
t.Fatalf("Failed to leave ep1: %v", err)
}
runtime.LockOSThread()
err = controller.LeaveAll("leaveall")
if err != nil {
t.Fatal(err)
}
runtime.LockOSThread()
}
func TestEndpointInvalidLeave(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
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(); err != nil {
t.Fatal(err)
}
}()
err = ep.Leave(containerID)
if err == nil {
t.Fatal("Expected to fail leave from an endpoint which has no active join")
}
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
if _, ok := err.(libnetwork.ErrNoContainer); !ok {
t.Fatalf("Failed for unexpected reason: %v", err)
}
}
defer controller.LeaveAll(containerID)
err = ep.Join(containerID,
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
err = ep.Leave("")
if err == nil {
t.Fatal("Expected to fail leave with empty container id")
}
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
t.Fatalf("Failed for unexpected reason: %v", err)
}
err = ep.Leave("container2")
if err == nil {
t.Fatal("Expected to fail leave with wrong container id")
}
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
t.Fatalf("Failed for unexpected reason: %v", err)
}
}
func TestEndpointUpdateParent(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork("bridge", "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
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)
}
defer func() {
if err := ep1.Delete(); err != nil {
t.Fatal(err)
}
}()
defer controller.LeaveAll(containerID)
err = ep1.Join(containerID,
libnetwork.JoinOptionHostname("test1"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep1.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
ep2, err := n.CreateEndpoint("ep2")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep2.Delete(); err != nil {
t.Fatal(err)
}
}()
defer controller.LeaveAll("container2")
err = ep2.Join("container2",
libnetwork.JoinOptionHostname("test2"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionHostsPath("/var/lib/docker/test_network/container2/hosts"),
libnetwork.JoinOptionParentUpdate(ep1.ID(), "web", "192.168.0.2"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
err = ep2.Leave("container2")
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}
func TestEnableIPv6(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\nnameserver 2001:4860:4860::8888")
//take a copy of resolv.conf for restoring after test completes
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
if err != nil {
t.Fatal(err)
}
//cleanup
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
}()
ip, cidrv6, err := net.ParseCIDR("fe80::1/64")
if err != nil {
t.Fatal(err)
}
cidrv6.IP = ip
netOption := options.Generic{
netlabel.EnableIPv6: true,
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"FixedCIDRv6": cidrv6,
"AllowNonDefaultBridge": true,
},
}
n, err := createTestNetwork("bridge", "testnetwork", netOption)
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)
}
defer func() {
if err := ep1.Delete(); err != nil {
t.Fatal(err)
}
}()
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
t.Fatal(err)
}
resolvConfPath := "/tmp/libnetwork_test/resolv.conf"
defer os.Remove(resolvConfPath)
defer controller.LeaveAll(containerID)
err = ep1.Join(containerID,
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep1.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
content, err := ioutil.ReadFile(resolvConfPath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, tmpResolvConf) {
t.Fatalf("Expected %s, Got %s", string(tmpResolvConf), string(content))
}
if err != nil {
t.Fatal(err)
}
}
func TestResolvConfHost(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
tmpResolvConf := []byte("search localhost.net\nnameserver 127.0.0.1\nnameserver 2001:4860:4860::8888")
//take a copy of resolv.conf for restoring after test completes
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
if err != nil {
t.Fatal(err)
}
//cleanup
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
}()
n, err := controller.NetworkByName("testhost")
if err != nil {
t.Fatal(err)
}
ep1, err := n.CreateEndpoint("ep1", nil)
if err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
t.Fatal(err)
}
resolvConfPath := "/tmp/libnetwork_test/resolv.conf"
defer os.Remove(resolvConfPath)
err = ep1.Join(containerID,
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep1.Leave(containerID)
if err != nil {
t.Fatal(err)
}
}()
finfo, err := os.Stat(resolvConfPath)
if err != nil {
t.Fatal(err)
}
fmode := (os.FileMode)(0644)
if finfo.Mode() != fmode {
t.Fatalf("Expected file mode %s, got %s", fmode.String(), finfo.Mode().String())
}
content, err := ioutil.ReadFile(resolvConfPath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, tmpResolvConf) {
t.Fatalf("Expected %s, Got %s", string(tmpResolvConf), string(content))
}
}
func TestResolvConf(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
tmpResolvConf1 := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\nnameserver 2001:4860:4860::8888")
expectedResolvConf1 := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\n")
tmpResolvConf2 := []byte("search pommesfrites.fr\nnameserver 112.34.56.78\nnameserver 2001:4860:4860::8888")
expectedResolvConf2 := []byte("search pommesfrites.fr\nnameserver 112.34.56.78\n")
tmpResolvConf3 := []byte("search pommesfrites.fr\nnameserver 113.34.56.78\n")
//take a copy of resolv.conf for restoring after test completes
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
if err != nil {
t.Fatal(err)
}
//cleanup
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
}()
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
}
n, err := createTestNetwork("bridge", "testnetwork", netOption)
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)
}
defer func() {
if err := ep1.Delete(); err != nil {
t.Fatal(err)
}
}()
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf1, 0644); err != nil {
t.Fatal(err)
}
resolvConfPath := "/tmp/libnetwork_test/resolv.conf"
defer os.Remove(resolvConfPath)
defer controller.LeaveAll(containerID)
err = ep1.Join(containerID,
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep1.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
finfo, err := os.Stat(resolvConfPath)
if err != nil {
t.Fatal(err)
}
fmode := (os.FileMode)(0644)
if finfo.Mode() != fmode {
t.Fatalf("Expected file mode %s, got %s", fmode.String(), finfo.Mode().String())
}
content, err := ioutil.ReadFile(resolvConfPath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, expectedResolvConf1) {
t.Fatalf("Expected %s, Got %s", string(expectedResolvConf1), string(content))
}
err = ep1.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf2, 0644); err != nil {
t.Fatal(err)
}
err = ep1.Join(containerID,
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
content, err = ioutil.ReadFile(resolvConfPath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, expectedResolvConf2) {
t.Fatalf("Expected %s, Got %s", string(expectedResolvConf2), string(content))
}
if err := ioutil.WriteFile(resolvConfPath, tmpResolvConf3, 0644); err != nil {
t.Fatal(err)
}
err = ep1.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
err = ep1.Join(containerID,
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
content, err = ioutil.ReadFile(resolvConfPath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, tmpResolvConf3) {
t.Fatalf("Expected %s, Got %s", string(tmpResolvConf3), string(content))
}
}
func TestInvalidRemoteDriver(t *testing.T) {
if !netutils.IsRunningInContainer() {
t.Skip("Skipping test when not running inside a Container")
}
mux := http.NewServeMux()
server := httptest.NewServer(mux)
if server == nil {
t.Fatal("Failed to start a HTTP Server")
}
defer server.Close()
type pluginRequest struct {
name string
}
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("/usr/share/docker/plugins", 0755); err != nil {
t.Fatal(err)
}
defer func() {
if err := os.RemoveAll("/usr/share/docker/plugins"); err != nil {
t.Fatal(err)
}
}()
if err := ioutil.WriteFile("/usr/share/docker/plugins/invalid-network-driver.spec", []byte(server.URL), 0644); err != nil {
t.Fatal(err)
}
controller, err := libnetwork.New()
if err != nil {
t.Fatal(err)
}
_, err = controller.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) {
if !netutils.IsRunningInContainer() {
t.Skip("Skipping test when not running inside a Container")
}
mux := http.NewServeMux()
server := httptest.NewServer(mux)
if server == nil {
t.Fatal("Failed to start a HTTP Server")
}
defer server.Close()
type pluginRequest struct {
name string
}
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.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")
})
if err := os.MkdirAll("/usr/share/docker/plugins", 0755); err != nil {
t.Fatal(err)
}
defer func() {
if err := os.RemoveAll("/usr/share/docker/plugins"); err != nil {
t.Fatal(err)
}
}()
if err := ioutil.WriteFile("/usr/share/docker/plugins/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 _, ok := err.(types.NotFoundError); ok {
t.Fatal(err)
}
return
}
defer func() {
if err := n.Delete(); err != nil {
t.Fatal(err)
}
}()
}
var (
once sync.Once
start = make(chan struct{})
done = make(chan chan struct{}, numThreads-1)
origns = netns.None()
testns = netns.None()
)
const (
iterCnt = 25
numThreads = 3
first = 1
last = numThreads
debug = false
)
func createGlobalInstance(t *testing.T) {
var err error
defer close(start)
origns, err = netns.Get()
if err != nil {
t.Fatal(err)
}
if netutils.IsRunningInContainer() {
testns = origns
} else {
testns, err = netns.New()
if err != nil {
t.Fatal(err)
}
}
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "network",
"AllowNonDefaultBridge": true,
},
}
net1, err := controller.NetworkByName("testhost")
if err != nil {
t.Fatal(err)
}
net2, err := createTestNetwork("bridge", "network2", netOption)
if err != nil {
t.Fatal(err)
}
_, err = net1.CreateEndpoint("pep1")
if err != nil {
t.Fatal(err)
}
_, err = net2.CreateEndpoint("pep2")
if err != nil {
t.Fatal(err)
}
_, err = net2.CreateEndpoint("pep3")
if err != nil {
t.Fatal(err)
}
}
func debugf(format string, a ...interface{}) (int, error) {
if debug {
return fmt.Printf(format, a...)
}
return 0, nil
}
func parallelJoin(t *testing.T, ep libnetwork.Endpoint, thrNumber int) {
debugf("J%d.", thrNumber)
var err error
if thrNumber == first {
err = ep.Join(fmt.Sprintf("%drace", thrNumber), libnetwork.JoinOptionUseDefaultSandbox())
} else {
err = ep.Join(fmt.Sprintf("%drace", thrNumber))
}
runtime.LockOSThread()
if err != nil {
if _, ok := err.(libnetwork.ErrNoContainer); !ok {
if _, ok := err.(libnetwork.ErrInvalidJoin); !ok {
t.Fatalf("thread %d: %v", thrNumber, err)
}
}
debugf("JE%d(%v).", thrNumber, err)
}
debugf("JD%d.", thrNumber)
}
func parallelLeave(t *testing.T, ep libnetwork.Endpoint, thrNumber int) {
debugf("L%d.", thrNumber)
var err error
if thrNumber == first {
err = ep.Leave(fmt.Sprintf("%drace", thrNumber))
} else {
err = controller.LeaveAll(fmt.Sprintf("%drace", thrNumber))
}
runtime.LockOSThread()
if err != nil {
if _, ok := err.(libnetwork.ErrNoContainer); !ok {
if _, ok := err.(libnetwork.ErrInvalidJoin); !ok {
t.Fatalf("thread %d: %v", thrNumber, err)
}
}
debugf("LE%d(%v).", thrNumber, err)
}
debugf("LD%d.", thrNumber)
}
func runParallelTests(t *testing.T, thrNumber int) {
var err error
t.Parallel()
pTest := flag.Lookup("test.parallel")
if pTest == nil {
t.Skip("Skipped because test.parallel flag not set;")
}
numParallel, err := strconv.Atoi(pTest.Value.String())
if err != nil {
t.Fatal(err)
}
if numParallel < numThreads {
t.Skip("Skipped because t.parallel was less than ", numThreads)
}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
if thrNumber == first {
createGlobalInstance(t)
}
if thrNumber != first {
select {
case <-start:
}
thrdone := make(chan struct{})
done <- thrdone
defer close(thrdone)
if thrNumber == last {
defer close(done)
}
err = netns.Set(testns)
if err != nil {
t.Fatal(err)
}
}
defer netns.Set(origns)
net1, err := controller.NetworkByName("testhost")
if err != nil {
t.Fatal(err)
}
if net1 == nil {
t.Fatal("Could not find network1")
}
net2, err := controller.NetworkByName("network2")
if err != nil {
t.Fatal(err)
}
if net2 == nil {
t.Fatal("Could not find network2")
}
epName := fmt.Sprintf("pep%d", thrNumber)
//var err error
var ep libnetwork.Endpoint
if thrNumber == first {
ep, err = net1.EndpointByName(epName)
} else {
ep, err = net2.EndpointByName(epName)
}
if err != nil {
t.Fatal(err)
}
if ep == nil {
t.Fatal("Got nil ep with no error")
}
for i := 0; i < iterCnt; i++ {
parallelJoin(t, ep, thrNumber)
parallelLeave(t, ep, thrNumber)
}
debugf("\n")
err = ep.Delete()
if err != nil {
t.Fatal(err)
}
if thrNumber == first {
for thrdone := range done {
select {
case <-thrdone:
}
}
testns.Close()
if err := net2.Delete(); err != nil {
t.Fatal(err)
}
}
}
func TestParallel1(t *testing.T) {
runParallelTests(t, 1)
}
func TestParallel2(t *testing.T) {
runParallelTests(t, 2)
}
func TestParallel3(t *testing.T) {
runParallelTests(t, 3)
}