Golang libnetwork.OptionExtraHost函数代码示例

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)
		}
	}()

	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 (sc *sandboxCreate) parseOptions() []libnetwork.SandboxOption {
	var setFctList []libnetwork.SandboxOption
	if sc.HostName != "" {
		setFctList = append(setFctList, libnetwork.OptionHostname(sc.HostName))
	}
	if sc.DomainName != "" {
		setFctList = append(setFctList, libnetwork.OptionDomainname(sc.DomainName))
	}
	if sc.HostsPath != "" {
		setFctList = append(setFctList, libnetwork.OptionHostsPath(sc.HostsPath))
	}
	if sc.ResolvConfPath != "" {
		setFctList = append(setFctList, libnetwork.OptionResolvConfPath(sc.ResolvConfPath))
	}
	if sc.UseDefaultSandbox {
		setFctList = append(setFctList, libnetwork.OptionUseDefaultSandbox())
	}
	if sc.DNS != nil {
		for _, d := range sc.DNS {
			setFctList = append(setFctList, libnetwork.OptionDNS(d))
		}
	}
	if sc.ExtraHosts != nil {
		for _, e := range sc.ExtraHosts {
			setFctList = append(setFctList, libnetwork.OptionExtraHost(e.Name, e.Address))
		}
	}
	return setFctList
}

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{})
	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(); 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 (daemon *Daemon) buildSandboxOptions(container *Container, n libnetwork.Network) ([]libnetwork.SandboxOption, error) {
	var (
		sboxOptions []libnetwork.SandboxOption
		err         error
		dns         []string
		dnsSearch   []string
		dnsOptions  []string
	)

	sboxOptions = append(sboxOptions, libnetwork.OptionHostname(container.Config.Hostname),
		libnetwork.OptionDomainname(container.Config.Domainname))

	if container.hostConfig.NetworkMode.IsHost() {
		sboxOptions = append(sboxOptions, libnetwork.OptionUseDefaultSandbox())
		sboxOptions = append(sboxOptions, libnetwork.OptionOriginHostsPath("/etc/hosts"))
		sboxOptions = append(sboxOptions, libnetwork.OptionOriginResolvConfPath("/etc/resolv.conf"))
	} else if daemon.execDriver.SupportsHooks() {
		// OptionUseExternalKey is mandatory for userns support.
		// But optional for non-userns support
		sboxOptions = append(sboxOptions, libnetwork.OptionUseExternalKey())
	}

	container.HostsPath, err = container.getRootResourcePath("hosts")
	if err != nil {
		return nil, err
	}
	sboxOptions = append(sboxOptions, libnetwork.OptionHostsPath(container.HostsPath))

	container.ResolvConfPath, err = container.getRootResourcePath("resolv.conf")
	if err != nil {
		return nil, err
	}
	sboxOptions = append(sboxOptions, libnetwork.OptionResolvConfPath(container.ResolvConfPath))

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

	for _, d := range dns {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNS(d))
	}

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

	for _, ds := range dnsSearch {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNSSearch(ds))
	}

	if len(container.hostConfig.DNSOptions) > 0 {
		dnsOptions = container.hostConfig.DNSOptions
	} else if len(daemon.configStore.DNSOptions) > 0 {
		dnsOptions = daemon.configStore.DNSOptions
	}

	for _, ds := range dnsOptions {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNSOptions(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 {
			sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(name, a.Addr))
		}
	}

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

	// Link feature is supported only for the default bridge network.
	// return if this call to build join options is not for default bridge network
	if n.Name() != "bridge" {
		return sboxOptions, nil
	}

	ep, _ := container.getEndpointInNetwork(n)
	if ep == nil {
		return sboxOptions, nil
	}

	var childEndpoints, parentEndpoints []string

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

	for linkAlias, child := range children {
//.........这里部分代码省略.........

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.Sandbox() != nil {
		t.Fatalf("Expected an empty sandbox key for an empty endpoint. Instead found a non-empty sandbox key: %s", info.Sandbox().Key())
	}

	// test invalid joins
	err = ep1.Join(nil)
	if err == nil {
		t.Fatalf("Expected to fail join with nil Sandbox")
	}
	if _, ok := err.(types.BadRequestError); !ok {
		t.Fatalf("Unexpected error type returned: %T", err)
	}

	fsbx := &fakeSandbox{}
	if err = ep1.Join(fsbx); err == nil {
		t.Fatalf("Expected to fail join with invalid Sandbox")
	}
	if _, ok := err.(types.BadRequestError); !ok {
		t.Fatalf("Unexpected error type returned: %T", err)
	}

	sb, 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 := sb.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	err = ep1.Join(sb)
	runtime.LockOSThread()
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep1.Leave(sb)
		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.Sandbox() == nil {
		t.Fatalf("Expected an non-empty sandbox key for a joined endpoint. Instead found a empty sandbox key")
	}
//.........这里部分代码省略.........

func TestHost(t *testing.T) {
	sbx1, err := controller.NewSandbox("host_c1",
		libnetwork.OptionHostname("test1"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionExtraHost("web", "192.168.0.1"),
		libnetwork.OptionUseDefaultSandbox())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := sbx1.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	sbx2, err := controller.NewSandbox("host_c2",
		libnetwork.OptionHostname("test2"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionExtraHost("web", "192.168.0.1"),
		libnetwork.OptionUseDefaultSandbox())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := sbx2.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	network, err := createTestNetwork("host", "testhost", options.Generic{})
	if err != nil {
		t.Fatal(err)
	}

	ep1, err := network.CreateEndpoint("testep1")
	if err != nil {
		t.Fatal(err)
	}

	if err := ep1.Join(sbx1); err != nil {
		t.Fatal(err)
	}

	ep2, err := network.CreateEndpoint("testep2")
	if err != nil {
		t.Fatal(err)
	}

	if err := ep2.Join(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep1.Leave(sbx1); err != nil {
		t.Fatal(err)
	}

	if err := ep2.Leave(sbx2); 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.
	cnt3, err := controller.NewSandbox("host_c3",
		libnetwork.OptionHostname("test3"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionExtraHost("web", "192.168.0.1"),
		libnetwork.OptionUseDefaultSandbox())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := cnt3.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	ep3, err := network.CreateEndpoint("testep3")
	if err != nil {
		t.Fatal(err)
	}

	if err := ep3.Join(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep3.Leave(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep3.Delete(); 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)
		}
	}()

	ep2, err := n.CreateEndpoint("ep2")
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := ep2.Delete(); 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)
	runtime.LockOSThread()
	if err != nil {
		t.Fatal(err)
	}

	err = ep2.Join(sbx2)
	runtime.LockOSThread()
	if err != nil {
		t.Fatal(err)
	}

	err = ep2.Leave(sbx2)
	runtime.LockOSThread()
	if err != nil {
		t.Fatal(err)
	}
}

func TestontainerInvalidLeave(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)
		}
	}()

	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", err)
	}

	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", err)
	}
}

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

	n, err := createTestNetwork(bridgeNetType, "testmultiple", options.Generic{
		netlabel.GenericData: options.Generic{
			"BridgeName":            "testmultiple",
			"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)
		}
	}()

	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)
		}
		runtime.LockOSThread()
	}()

	err = ep.Join(sbx1)
	runtime.LockOSThread()
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep.Leave(sbx1)
		runtime.LockOSThread()
		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 (container *Container) buildSandboxOptions() ([]libnetwork.SandboxOption, error) {
	var (
		sboxOptions []libnetwork.SandboxOption
		err         error
		dns         []string
		dnsSearch   []string
	)

	sboxOptions = append(sboxOptions, libnetwork.OptionHostname(container.Config.Hostname),
		libnetwork.OptionDomainname(container.Config.Domainname))

	if container.hostConfig.NetworkMode.IsHost() {
		sboxOptions = append(sboxOptions, libnetwork.OptionUseDefaultSandbox())
		sboxOptions = append(sboxOptions, libnetwork.OptionOriginHostsPath("/etc/hosts"))
		sboxOptions = append(sboxOptions, libnetwork.OptionOriginResolvConfPath("/etc/resolv.conf"))
	}

	container.HostsPath, err = container.getRootResourcePath("hosts")
	if err != nil {
		return nil, err
	}
	sboxOptions = append(sboxOptions, libnetwork.OptionHostsPath(container.HostsPath))

	container.ResolvConfPath, err = container.getRootResourcePath("resolv.conf")
	if err != nil {
		return nil, err
	}
	sboxOptions = append(sboxOptions, libnetwork.OptionResolvConfPath(container.ResolvConfPath))

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

	for _, d := range dns {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNS(d))
	}

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

	for _, ds := range dnsSearch {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNSSearch(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 {
			sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(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:]
		}
		sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(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)
		sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(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.configStore.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)
//.........这里部分代码省略.........

func (daemon *Daemon) buildSandboxOptions(container *container.Container, n libnetwork.Network) ([]libnetwork.SandboxOption, error) {
	var (
		sboxOptions []libnetwork.SandboxOption
		err         error
		dns         []string
		dnsSearch   []string
		dnsOptions  []string
		bindings    = make(nat.PortMap)
		pbList      []types.PortBinding
		exposeList  []types.TransportPort
	)

	defaultNetName := runconfig.DefaultDaemonNetworkMode().NetworkName()
	sboxOptions = append(sboxOptions, libnetwork.OptionHostname(container.Config.Hostname),
		libnetwork.OptionDomainname(container.Config.Domainname))

	if container.HostConfig.NetworkMode.IsHost() {
		sboxOptions = append(sboxOptions, libnetwork.OptionUseDefaultSandbox())
		sboxOptions = append(sboxOptions, libnetwork.OptionOriginHostsPath("/etc/hosts"))
		sboxOptions = append(sboxOptions, libnetwork.OptionOriginResolvConfPath("/etc/resolv.conf"))
	} else if daemon.execDriver.SupportsHooks() {
		// OptionUseExternalKey is mandatory for userns support.
		// But optional for non-userns support
		sboxOptions = append(sboxOptions, libnetwork.OptionUseExternalKey())
	}

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

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

	if len(container.HostConfig.DNS) > 0 {
		dns = container.HostConfig.DNS
	} else if len(daemon.configStore.DNS) > 0 {
		dns = daemon.configStore.DNS
	}

	for _, d := range dns {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNS(d))
	}

	if len(container.HostConfig.DNSSearch) > 0 {
		dnsSearch = container.HostConfig.DNSSearch
	} else if len(daemon.configStore.DNSSearch) > 0 {
		dnsSearch = daemon.configStore.DNSSearch
	}

	for _, ds := range dnsSearch {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNSSearch(ds))
	}

	if len(container.HostConfig.DNSOptions) > 0 {
		dnsOptions = container.HostConfig.DNSOptions
	} else if len(daemon.configStore.DNSOptions) > 0 {
		dnsOptions = daemon.configStore.DNSOptions
	}

	for _, ds := range dnsOptions {
		sboxOptions = append(sboxOptions, libnetwork.OptionDNSOptions(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 {
			sboxOptions = append(sboxOptions, libnetwork.OptionExtraHost(name, a.Addr))
		}
	}

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

	if container.HostConfig.PortBindings != nil {
		for p, b := range container.HostConfig.PortBindings {
			bindings[p] = []nat.PortBinding{}
			for _, bb := range b {
				bindings[p] = append(bindings[p], nat.PortBinding{
					HostIP:   bb.HostIP,
					HostPort: bb.HostPort,
				})
			}
		}
	}

	portSpecs := container.Config.ExposedPorts
	ports := make([]nat.Port, len(portSpecs))
	var i int
//.........这里部分代码省略.........

func externalKeyTest(t *testing.T, reexec bool) {
	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() {
		err = ep.Delete()
		if err != nil {
			t.Fatal(err)
		}
	}()

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

	cnt, err := controller.NewSandbox(containerID,
		libnetwork.OptionHostname("test"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionUseExternalKey(),
		libnetwork.OptionExtraHost("web", "192.168.0.1"))
	defer func() {
		if err := cnt.Delete(); err != nil {
			t.Fatal(err)
		}
		osl.GC()
	}()

	// Join endpoint to sandbox before SetKey
	err = ep.Join(cnt)
	runtime.LockOSThread()
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep.Leave(cnt)
		runtime.LockOSThread()
		if err != nil {
			t.Fatal(err)
		}
	}()

	sbox := ep.Info().Sandbox()
	if sbox == nil {
		t.Fatalf("Expected to have a valid Sandbox")
	}

	if reexec {
		err := reexecSetKey("this-must-fail", containerID, controller.ID())
		if err == nil {
			t.Fatalf("SetExternalKey must fail if the corresponding namespace is not created")
		}
	} else {
		// Setting an non-existing key (namespace) must fail
		if err := sbox.SetKey("this-must-fail"); err == nil {
			t.Fatalf("Setkey must fail if the corresponding namespace is not created")
		}
	}

	// Create a new OS sandbox using the osl API before using it in SetKey
	if extOsBox, err := osl.NewSandbox("ValidKey", true); err != nil {
		t.Fatalf("Failed to create new osl sandbox")
	} else {
		defer func() {
			if err := extOsBox.Destroy(); err != nil {
				log.Warnf("Failed to remove os sandbox: %v", err)
			}
		}()
	}

	if reexec {
		err := reexecSetKey("ValidKey", containerID, controller.ID())
		if err != nil {
			t.Fatalf("SetExternalKey failed with %v", err)
		}
//.........这里部分代码省略.........

func TestHost(t *testing.T) {
	sbx1, err := controller.NewSandbox("host_c1",
		libnetwork.OptionHostname("test1"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionExtraHost("web", "192.168.0.1"),
		libnetwork.OptionUseDefaultSandbox())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := sbx1.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	sbx2, err := controller.NewSandbox("host_c2",
		libnetwork.OptionHostname("test2"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionExtraHost("web", "192.168.0.1"),
		libnetwork.OptionUseDefaultSandbox())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := sbx2.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	network, err := createTestNetwork("host", "testhost", options.Generic{}, nil, nil)
	if err != nil {
		t.Fatal(err)
	}

	ep1, err := network.CreateEndpoint("testep1")
	if err != nil {
		t.Fatal(err)
	}

	if err := ep1.Join(sbx1); err != nil {
		t.Fatal(err)
	}

	ep2, err := network.CreateEndpoint("testep2")
	if err != nil {
		t.Fatal(err)
	}

	if err := ep2.Join(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep1.Leave(sbx1); err != nil {
		t.Fatal(err)
	}

	if err := ep2.Leave(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep1.Delete(false); err != nil {
		t.Fatal(err)
	}

	if err := ep2.Delete(false); err != nil {
		t.Fatal(err)
	}

	// Try to create another host endpoint and join/leave that.
	cnt3, err := controller.NewSandbox("host_c3",
		libnetwork.OptionHostname("test3"),
		libnetwork.OptionDomainname("docker.io"),
		libnetwork.OptionExtraHost("web", "192.168.0.1"),
		libnetwork.OptionUseDefaultSandbox())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := cnt3.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	ep3, err := network.CreateEndpoint("testep3")
	if err != nil {
		t.Fatal(err)
	}

	if err := ep3.Join(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep3.Leave(sbx2); err != nil {
		t.Fatal(err)
	}

	if err := ep3.Delete(false); err != nil {
		t.Fatal(err)
	}
}

func TestEndpointJoin(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":         "testnetwork1",
			"EnableICC":          true,
			"EnableIPMasquerade": true,
		},
	}
	ipamV6ConfList := []*libnetwork.IpamConf{{PreferredPool: "fe90::/64", Gateway: "fe90::22"}}
	n1, err := controller.NewNetwork(bridgeNetType, "testnetwork1", "",
		libnetwork.NetworkOptionGeneric(netOption),
		libnetwork.NetworkOptionEnableIPv6(true),
		libnetwork.NetworkOptionIpam(ipamapi.DefaultIPAM, "", nil, ipamV6ConfList, nil),
		libnetwork.NetworkOptionDeferIPv6Alloc(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(false); 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()
	iface := info.Iface()
	if iface.Address() != nil && iface.Address().IP.To4() == nil {
		t.Fatalf("Invalid IP address returned: %v", iface.Address())
	}
	if iface.AddressIPv6() != nil && iface.AddressIPv6().IP == nil {
		t.Fatalf("Invalid IPv6 address returned: %v", iface.Address())
	}

	if len(info.Gateway()) != 0 {
		t.Fatalf("Expected empty gateway for an empty endpoint. Instead found a gateway: %v", info.Gateway())
	}
	if len(info.GatewayIPv6()) != 0 {
		t.Fatalf("Expected empty gateway for an empty ipv6 endpoint. Instead found a gateway: %v", info.GatewayIPv6())
	}

	if info.Sandbox() != nil {
		t.Fatalf("Expected an empty sandbox key for an empty endpoint. Instead found a non-empty sandbox key: %s", info.Sandbox().Key())
	}

	// test invalid joins
	err = ep1.Join(nil)
	if err == nil {
		t.Fatalf("Expected to fail join with nil Sandbox")
	}
	if _, ok := err.(types.BadRequestError); !ok {
		t.Fatalf("Unexpected error type returned: %T", err)
	}

	fsbx := &fakeSandbox{}
	if err = ep1.Join(fsbx); err == nil {
		t.Fatalf("Expected to fail join with invalid Sandbox")
	}
	if _, ok := err.(types.BadRequestError); !ok {
		t.Fatalf("Unexpected error type returned: %T", err)
	}

	sb, 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 := sb.Delete(); err != nil {
			t.Fatal(err)
		}
	}()

	err = ep1.Join(sb)
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err = ep1.Leave(sb)
		if err != nil {
			t.Fatal(err)
		}
	}()
//.........这里部分代码省略.........