Golang libnetwork.NetworkOptionGeneric函数代码示例

func initBridgeDriver(controller libnetwork.NetworkController, config *Config) error {
	if _, err := controller.NetworkByName(runconfig.DefaultDaemonNetworkMode().NetworkName()); err == nil {
		return nil
	}

	netOption := map[string]string{
		winlibnetwork.NetworkName: runconfig.DefaultDaemonNetworkMode().NetworkName(),
	}

	ipamV4Conf := libnetwork.IpamConf{}
	if config.bridgeConfig.FixedCIDR == "" {
		ipamV4Conf.PreferredPool = defaultNetworkSpace
	} else {
		ipamV4Conf.PreferredPool = config.bridgeConfig.FixedCIDR
	}

	v4Conf := []*libnetwork.IpamConf{&ipamV4Conf}
	v6Conf := []*libnetwork.IpamConf{}

	_, err := controller.NewNetwork(string(runconfig.DefaultDaemonNetworkMode()), runconfig.DefaultDaemonNetworkMode().NetworkName(),
		libnetwork.NetworkOptionGeneric(options.Generic{
			netlabel.GenericData: netOption,
		}),
		libnetwork.NetworkOptionIpam("default", "", v4Conf, v6Conf, nil),
	)

	if err != nil {
		return fmt.Errorf("Error creating default network: %v", err)
	}
	return nil
}

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

	controller, err := libnetwork.New()
	if err != nil {
		t.Fatal(err)
	}

	genericOption := make(map[string]interface{})
	genericOption[netlabel.GenericData] = options.Generic{}

	err = controller.ConfigureNetworkDriver(bridgeNetType, genericOption)
	if err != nil {
		t.Fatal(err)
	}

	_, err = controller.NewNetwork(bridgeNetType, "testnetwork",
		libnetwork.NetworkOptionGeneric(genericOption))
	if err != nil {
		t.Fatal(err)
	}

	_, err = controller.NewNetwork(bridgeNetType, "testnetwork")
	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 createDefaultNetwork(c libnetwork.NetworkController) {
	nw := c.Config().Daemon.DefaultNetwork
	d := c.Config().Daemon.DefaultDriver
	createOptions := []libnetwork.NetworkOption{}
	genericOption := options.Generic{}

	if nw != "" && d != "" {
		// Bridge driver is special due to legacy reasons
		if d == "bridge" {
			genericOption[netlabel.GenericData] = map[string]string{
				"BridgeName":    "docker0",
				"DefaultBridge": "true",
			}
			createOptions = append(createOptions,
				libnetwork.NetworkOptionGeneric(genericOption),
				ipamOption(nw))
		}

		if n, err := c.NetworkByName(nw); err == nil {
			logrus.Debugf("Default network %s already present. Deleting it", nw)
			if err = n.Delete(); err != nil {
				logrus.Debugf("Network could not be deleted: %v", err)
				return
			}
		}

		_, err := c.NewNetwork(d, nw, createOptions...)
		if err != nil {
			logrus.Errorf("Error creating default network : %s : %v", nw, err)
		}
	}
}

func (nc *networkCreate) parseOptions() []libnetwork.NetworkOption {
	var setFctList []libnetwork.NetworkOption

	if nc.Options != nil {
		setFctList = append(setFctList, libnetwork.NetworkOptionGeneric(nc.Options))
	}

	return setFctList
}

func parseOptions(options map[string]interface{}) []libnetwork.NetworkOption {
	var setFctList []libnetwork.NetworkOption

	if options != nil {
		setFctList = append(setFctList, libnetwork.NetworkOptionGeneric(options))
	}

	return setFctList
}

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 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 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)
		}
	}()
}

// Testing IPV6 from MAC address
func TestBridgeIpv6FromMac(t *testing.T) {
	if !testutils.IsRunningInContainer() {
		defer testutils.SetupTestOSContext(t)()
	}

	netOption := options.Generic{
		netlabel.GenericData: options.Generic{
			"BridgeName":         "testipv6mac",
			"EnableICC":          true,
			"EnableIPMasquerade": true,
		},
	}
	ipamV4ConfList := []*libnetwork.IpamConf{{PreferredPool: "192.168.100.0/24", Gateway: "192.168.100.1"}}
	ipamV6ConfList := []*libnetwork.IpamConf{{PreferredPool: "fe90::/64", Gateway: "fe90::22"}}

	network, err := controller.NewNetwork(bridgeNetType, "testipv6mac", "",
		libnetwork.NetworkOptionGeneric(netOption),
		libnetwork.NetworkOptionEnableIPv6(true),
		libnetwork.NetworkOptionIpam(ipamapi.DefaultIPAM, "", ipamV4ConfList, ipamV6ConfList, nil),
		libnetwork.NetworkOptionDeferIPv6Alloc(true))
	if err != nil {
		t.Fatal(err)
	}

	mac := net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}
	epOption := options.Generic{netlabel.MacAddress: mac}

	ep, err := network.CreateEndpoint("testep", libnetwork.EndpointOptionGeneric(epOption))
	if err != nil {
		t.Fatal(err)
	}

	iface := ep.Info().Iface()
	if !bytes.Equal(iface.MacAddress(), mac) {
		t.Fatalf("Unexpected mac address: %v", iface.MacAddress())
	}

	ip, expIP, _ := net.ParseCIDR("fe90::aabb:ccdd:eeff/64")
	expIP.IP = ip
	if !types.CompareIPNet(expIP, iface.AddressIPv6()) {
		t.Fatalf("Expected %v. Got: %v", expIP, iface.AddressIPv6())
	}

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

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

func TestInvalidRemoteDriver(t *testing.T) {
	if !testutils.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("/etc/docker/plugins", 0755); err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := os.RemoveAll("/etc/docker/plugins"); err != nil {
			t.Fatal(err)
		}
	}()

	if err := ioutil.WriteFile("/etc/docker/plugins/invalid-network-driver.spec", []byte(server.URL), 0644); err != nil {
		t.Fatal(err)
	}

	ctrlr, err := libnetwork.New()
	if err != nil {
		t.Fatal(err)
	}
	defer ctrlr.Stop()

	_, err = ctrlr.NewNetwork("invalid-network-driver", "dummy",
		libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
	if err == nil {
		t.Fatal("Expected to fail. But instead succeeded")
	}

	if err != plugins.ErrNotImplements {
		t.Fatalf("Did not fail with expected error. Actual error: %v", err)
	}
}

func createNetwork(controller libnetwork.NetworkController, dnet string, driver string) (libnetwork.Network, error) {
	createOptions := []libnetwork.NetworkOption{}
	genericOption := options.Generic{}

	// Bridge driver is special due to legacy reasons
	if runconfig.NetworkMode(driver).IsBridge() {
		genericOption[netlabel.GenericData] = map[string]string{
			bridge.BridgeName: dnet,
		}
		networkOption := libnetwork.NetworkOptionGeneric(genericOption)
		createOptions = append(createOptions, networkOption)
	}

	return controller.NewNetwork(driver, dnet, createOptions...)
}

func TestNilRemoteDriver(t *testing.T) {
	controller, err := libnetwork.New()
	if err != nil {
		t.Fatal(err)
	}

	_, err = controller.NewNetwork("framerelay", "dummy",
		libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
	if err == nil {
		t.Fatal("Expected to fail. But instead succeeded")
	}

	if err != plugins.ErrNotFound {
		t.Fatalf("Did not fail with expected error. Actual error: %v", err)
	}
}

func initBridgeDriver(controller libnetwork.NetworkController, config *Config) error {
	if _, err := controller.NetworkByName(runconfig.DefaultDaemonNetworkMode().NetworkName()); err == nil {
		return nil
	}

	netOption := map[string]string{
		winlibnetwork.NetworkName: runconfig.DefaultDaemonNetworkMode().NetworkName(),
	}

	var ipamOption libnetwork.NetworkOption
	var subnetPrefix string

	if config.bridgeConfig.FixedCIDR != "" {
		subnetPrefix = config.bridgeConfig.FixedCIDR
	} else {
		// TP5 doesn't support properly detecting subnet
		osv := system.GetOSVersion()
		if osv.Build < 14360 {
			subnetPrefix = defaultNetworkSpace
		}
	}

	if subnetPrefix != "" {
		ipamV4Conf := libnetwork.IpamConf{}
		ipamV4Conf.PreferredPool = subnetPrefix
		v4Conf := []*libnetwork.IpamConf{&ipamV4Conf}
		v6Conf := []*libnetwork.IpamConf{}
		ipamOption = libnetwork.NetworkOptionIpam("default", "", v4Conf, v6Conf, nil)
	}

	_, err := controller.NewNetwork(string(runconfig.DefaultDaemonNetworkMode()), runconfig.DefaultDaemonNetworkMode().NetworkName(), "",
		libnetwork.NetworkOptionGeneric(options.Generic{
			netlabel.GenericData: netOption,
		}),
		ipamOption,
	)

	if err != nil {
		return fmt.Errorf("Error creating default network: %v", err)
	}

	return nil
}

func createTestNetwork(networkType, networkName string, option options.Generic, netOption options.Generic) (libnetwork.Network, error) {
	controller, err := libnetwork.New()
	if err != nil {
		return nil, err
	}
	genericOption := make(map[string]interface{})
	genericOption[netlabel.GenericData] = option

	err = controller.ConfigureNetworkDriver(networkType, genericOption)
	if err != nil {
		return nil, err
	}

	network, err := controller.NewNetwork(networkType, networkName,
		libnetwork.NetworkOptionGeneric(netOption))
	if err != nil {
		return nil, err
	}

	return network, nil
}

func createDefaultNetwork(c libnetwork.NetworkController) {
	nw := c.Config().Daemon.DefaultNetwork
	d := c.Config().Daemon.DefaultDriver
	createOptions := []libnetwork.NetworkOption{}
	genericOption := options.Generic{}

	if nw != "" && d != "" {
		// Bridge driver is special due to legacy reasons
		if d == "bridge" {
			genericOption[netlabel.GenericData] = map[string]interface{}{
				"BridgeName": nw,
			}
			networkOption := libnetwork.NetworkOptionGeneric(genericOption)
			createOptions = append(createOptions, networkOption)
		}
		_, err := c.NewNetwork(d, nw, createOptions...)
		if err != nil {
			logrus.Errorf("Error creating default network : %s : %v", nw, err)
		}
	}
}