Golang libnetwork.JoinOptionHostname函数代码示例

func TestEndpointUpdateParent(t *testing.T) {
	if !netutils.IsRunningInContainer() {
		defer netutils.SetupTestNetNS(t)()
	}

	n, err := createTestNetwork("bridge", "testnetwork", options.Generic{}, options.Generic{})
	if err != nil {
		t.Fatal(err)
	}

	ep1, err := n.CreateEndpoint("ep1", nil)
	if err != nil {
		t.Fatal(err)
	}

	_, err = ep1.Join(containerID,
		libnetwork.JoinOptionHostname("test1"),
		libnetwork.JoinOptionDomainname("docker.io"),
		libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))

	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep1.Leave(containerID)
		if err != nil {
			t.Fatal(err)
		}
	}()

	ep2, err := n.CreateEndpoint("ep2", nil)
	if err != nil {
		t.Fatal(err)
	}

	_, 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"))

	if err != nil {
		t.Fatal(err)
	}

	defer func() {
		err = ep2.Leave("container2")
		if err != nil {
			t.Fatal(err)
		}
	}()

}

func (ej *endpointJoin) parseOptions() []libnetwork.EndpointOption {
	var setFctList []libnetwork.EndpointOption
	if ej.HostName != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionHostname(ej.HostName))
	}
	if ej.DomainName != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionDomainname(ej.DomainName))
	}
	if ej.HostsPath != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionHostsPath(ej.HostsPath))
	}
	if ej.ResolvConfPath != "" {
		setFctList = append(setFctList, libnetwork.JoinOptionResolvConfPath(ej.ResolvConfPath))
	}
	if ej.UseDefaultSandbox {
		setFctList = append(setFctList, libnetwork.JoinOptionUseDefaultSandbox())
	}
	if ej.DNS != nil {
		for _, d := range ej.DNS {
			setFctList = append(setFctList, libnetwork.JoinOptionDNS(d))
		}
	}
	if ej.ExtraHosts != nil {
		for _, e := range ej.ExtraHosts {
			setFctList = append(setFctList, libnetwork.JoinOptionExtraHost(e.Name, e.Address))
		}
	}
	if ej.ParentUpdates != nil {
		for _, p := range ej.ParentUpdates {
			setFctList = append(setFctList, libnetwork.JoinOptionParentUpdate(p.EndpointID, p.Name, p.Address))
		}
	}
	return setFctList
}

func TestEndpointInvalidLeave(t *testing.T) {
	if !netutils.IsRunningInContainer() {
		defer netutils.SetupTestNetNS(t)()
	}

	n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
	if err != nil {
		t.Fatal(err)
	}

	ep, err := n.CreateEndpoint("ep1")
	if 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 err != libnetwork.ErrNoContainer {
			t.Fatalf("Failed for unexpected reason: %v", err)
		}
	}

	_, err = ep.Join(containerID,
		libnetwork.JoinOptionHostname("test"),
		libnetwork.JoinOptionDomainname("docker.io"),
		libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))

	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep.Leave(containerID)
		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 TestNull(t *testing.T) {
	network, err := createTestNetwork("null", "testnetwork", options.Generic{},
		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)
	}

	if err := network.Delete(); err != nil {
		t.Fatal(err)
	}
}

func TestEndpointJoin(t *testing.T) {
	if !netutils.IsRunningInContainer() {
		defer netutils.SetupTestNetNS(t)()
	}

	n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
	if err != nil {
		t.Fatal(err)
	}

	ep, err := n.CreateEndpoint("ep1")
	if err != nil {
		t.Fatal(err)
	}

	// Validate if ep.Info() only gives me IP address info and not names and gateway during CreateEndpoint()
	info := ep.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())
	}

	_, err = ep.Join(containerID,
		libnetwork.JoinOptionHostname("test"),
		libnetwork.JoinOptionDomainname("docker.io"),
		libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
	if err != nil {
		t.Fatal(err)
	}

	defer func() {
		err = ep.Leave(containerID)
		if err != nil {
			t.Fatal(err)
		}
	}()

	// Validate if ep.Info() only gives valid gateway and sandbox key after has container has joined.
	info = ep.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")
	}

	checkSandbox(t, info)
}

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 main() {
	// Create a new controller instance
	controller, err := libnetwork.New()
	if err != nil {
		return
	}

	// Select and configure the network driver
	networkType := "bridge"

	driverOptions := options.Generic{}
	genericOption := make(map[string]interface{})
	genericOption[netlabel.GenericData] = driverOptions
	err = controller.ConfigureNetworkDriver(networkType, genericOption)
	if err != nil {
		return
	}

	// Create a network for containers to join.
	// NewNetwork accepts Variadic optional arguments that libnetwork and Drivers can make of
	network, err := controller.NewNetwork(networkType, "network1")
	if err != nil {
		return
	}

	// For each new container: allocate IP and interfaces. The returned network
	// settings will be used for container infos (inspect and such), as well as
	// iptables rules for port publishing. This info is contained or accessible
	// from the returned endpoint.
	ep, err := network.CreateEndpoint("Endpoint1")
	if err != nil {
		return
	}

	// A container can join the endpoint by providing the container ID to the join
	// api which returns the sandbox key which can be used to access the sandbox
	// created for the container during join.
	// Join acceps Variadic arguments which will be made use of by libnetwork and Drivers
	_, err = ep.Join("container1",
		libnetwork.JoinOptionHostname("test"),
		libnetwork.JoinOptionDomainname("docker.io"))
	if err != nil {
		return
	}

	// libentwork client can check the endpoint's operational data via the Info() API
	epInfo, err := ep.DriverInfo()
	mapData, ok := epInfo[netlabel.PortMap]
	if ok {
		portMapping, ok := mapData.([]netutils.PortBinding)
		if ok {
			fmt.Printf("Current port mapping for endpoint %s: %v", ep.Name(), portMapping)
		}
	}
}

func TestEndpointDeleteWithActiveContainer(t *testing.T) {
	if !netutils.IsRunningInContainer() {
		defer netutils.SetupTestNetNS(t)()
	}

	n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
	if err != nil {
		t.Fatal(err)
	}

	ep, err := n.CreateEndpoint("ep1")
	if err != nil {
		t.Fatal(err)
	}

	_, err = ep.Join(containerID,
		libnetwork.JoinOptionHostname("test"),
		libnetwork.JoinOptionDomainname("docker.io"),
		libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep.Leave(containerID)
		if err != nil {
			t.Fatal(err)
		}

		err = ep.Delete()
		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{}, options.Generic{})
	if err != nil {
		t.Fatal(err)
	}

	ep, err := n.CreateEndpoint("ep1")
	if err != nil {
		t.Fatal(err)
	}

	_, err = ep.Join(containerID,
		libnetwork.JoinOptionHostname("test"),
		libnetwork.JoinOptionDomainname("docker.io"),
		libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))

	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep.Leave(containerID)
		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 err != libnetwork.ErrInvalidJoin {
		t.Fatalf("Failed for unexpected reason: %v", err)
	}
}

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 (container *Container) buildJoinOptions() ([]libnetwork.EndpointOption, error) {
	var (
		joinOptions []libnetwork.EndpointOption
		err         error
		dns         []string
		dnsSearch   []string
	)

	joinOptions = append(joinOptions, libnetwork.JoinOptionHostname(container.Config.Hostname),
		libnetwork.JoinOptionDomainname(container.Config.Domainname))

	if container.hostConfig.NetworkMode.IsHost() {
		joinOptions = append(joinOptions, libnetwork.JoinOptionUseDefaultSandbox())
	}

	container.HostsPath, err = container.GetRootResourcePath("hosts")
	if err != nil {
		return nil, err
	}
	joinOptions = append(joinOptions, libnetwork.JoinOptionHostsPath(container.HostsPath))

	container.ResolvConfPath, err = container.GetRootResourcePath("resolv.conf")
	if err != nil {
		return nil, err
	}
	joinOptions = append(joinOptions, libnetwork.JoinOptionResolvConfPath(container.ResolvConfPath))

	if len(container.hostConfig.DNS) > 0 {
		dns = container.hostConfig.DNS
	} else if len(container.daemon.config.Dns) > 0 {
		dns = container.daemon.config.Dns
	}

	for _, d := range dns {
		joinOptions = append(joinOptions, libnetwork.JoinOptionDNS(d))
	}

	if len(container.hostConfig.DNSSearch) > 0 {
		dnsSearch = container.hostConfig.DNSSearch
	} else if len(container.daemon.config.DnsSearch) > 0 {
		dnsSearch = container.daemon.config.DnsSearch
	}

	for _, ds := range dnsSearch {
		joinOptions = append(joinOptions, libnetwork.JoinOptionDNSSearch(ds))
	}

	if container.NetworkSettings.SecondaryIPAddresses != nil {
		name := container.Config.Hostname
		if container.Config.Domainname != "" {
			name = name + "." + container.Config.Domainname
		}

		for _, a := range container.NetworkSettings.SecondaryIPAddresses {
			joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(name, a.Addr))
		}
	}

	var childEndpoints, parentEndpoints []string

	children, err := container.daemon.Children(container.Name)
	if err != nil {
		return nil, err
	}

	for linkAlias, child := range children {
		_, alias := path.Split(linkAlias)
		// allow access to the linked container via the alias, real name, and container hostname
		aliasList := alias + " " + child.Config.Hostname
		// only add the name if alias isn't equal to the name
		if alias != child.Name[1:] {
			aliasList = aliasList + " " + child.Name[1:]
		}
		joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(aliasList, child.NetworkSettings.IPAddress))
		if child.NetworkSettings.EndpointID != "" {
			childEndpoints = append(childEndpoints, child.NetworkSettings.EndpointID)
		}
	}

	for _, extraHost := range container.hostConfig.ExtraHosts {
		// allow IPv6 addresses in extra hosts; only split on first ":"
		parts := strings.SplitN(extraHost, ":", 2)
		joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(parts[0], parts[1]))
	}

	refs := container.daemon.ContainerGraph().RefPaths(container.ID)
	for _, ref := range refs {
		if ref.ParentID == "0" {
			continue
		}

		c, err := container.daemon.Get(ref.ParentID)
		if err != nil {
			logrus.Error(err)
		}

		if c != nil && !container.daemon.config.DisableBridge && container.hostConfig.NetworkMode.IsPrivate() {
			logrus.Debugf("Update /etc/hosts of %s for alias %s with ip %s", c.ID, ref.Name, container.NetworkSettings.IPAddress)
			joinOptions = append(joinOptions, libnetwork.JoinOptionParentUpdate(c.NetworkSettings.EndpointID, ref.Name, container.NetworkSettings.IPAddress))
			if c.NetworkSettings.EndpointID != "" {
//.........这里部分代码省略.........

func TestHost(t *testing.T) {
	network, err := createTestNetwork("host", "testnetwork", options.Generic{}, 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)
	}

	if err := network.Delete(); err != nil {
		t.Fatal(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)
//.........这里部分代码省略.........

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)
	}

}