Golang Endpoint.Info方法代码示例

func buildEndpointResource(e libnetwork.Endpoint) types.EndpointResource {
	er := types.EndpointResource{}
	if e == nil {
		return er
	}

	er.EndpointID = e.ID()
	er.Name = e.Name()
	ei := e.Info()
	if ei == nil {
		return er
	}

	if iface := ei.Iface(); iface != nil {
		if mac := iface.MacAddress(); mac != nil {
			er.MacAddress = mac.String()
		}
		if ip := iface.Address(); ip != nil && len(ip.IP) > 0 {
			er.IPv4Address = ip.String()
		}

		if ipv6 := iface.AddressIPv6(); ipv6 != nil && len(ipv6.IP) > 0 {
			er.IPv6Address = ipv6.String()
		}
	}
	return er
}

func (container *Container) buildEndpointInfo(ep libnetwork.Endpoint, networkSettings *network.Settings) (*network.Settings, error) {
	if ep == nil {
		return nil, fmt.Errorf("invalid endpoint while building port map info")
	}

	if networkSettings == nil {
		return nil, fmt.Errorf("invalid networksettings while building port map info")
	}

	epInfo := ep.Info()
	if epInfo == nil {
		// It is not an error to get an empty endpoint info
		return networkSettings, nil
	}

	iface := epInfo.Iface()
	if iface == nil {
		return networkSettings, nil
	}

	ones, _ := iface.Address().Mask.Size()
	networkSettings.IPAddress = iface.Address().IP.String()
	networkSettings.IPPrefixLen = ones

	if iface.AddressIPv6().IP.To16() != nil {
		onesv6, _ := iface.AddressIPv6().Mask.Size()
		networkSettings.GlobalIPv6Address = iface.AddressIPv6().IP.String()
		networkSettings.GlobalIPv6PrefixLen = onesv6
	}

	return networkSettings, nil
}

func (daemon *Daemon) getRunzAnet(ep libnetwork.Endpoint) (specs.Anet, error) {
	var (
		linkName  string
		lowerLink string
		defRouter string
	)

	epInfo := ep.Info()
	if epInfo == nil {
		return specs.Anet{}, fmt.Errorf("invalid endpoint")
	}

	nw, err := daemon.GetNetworkByName(ep.Network())
	if err != nil {
		return specs.Anet{}, fmt.Errorf("Failed to get network %s: %v", ep.Network(), err)
	}

	// Evaluate default router, linkname and lowerlink for interface endpoint
	switch nw.Type() {
	case "bridge":
		defRouter = epInfo.Gateway().String()
		linkName = "net0" // Should always be net0 for a container

		// TODO We construct lowerlink here exactly as done for solaris bridge
		// initialization. Need modular code to reuse.
		options := nw.Info().DriverOptions()
		nwName := options["com.docker.network.bridge.name"]
		lastChar := nwName[len(nwName)-1:]
		if _, err = strconv.Atoi(lastChar); err != nil {
			lowerLink = nwName + "_0"
		} else {
			lowerLink = nwName
		}

	case "overlay":
		defRouter = ""
		linkName = "net1"

		// TODO Follows generateVxlanName() in solaris overlay.
		id := nw.ID()
		if len(nw.ID()) > 12 {
			id = nw.ID()[:12]
		}
		lowerLink = "vx_" + id + "_0"
	}

	runzanet := specs.Anet{
		Linkname:          linkName,
		Lowerlink:         lowerLink,
		Allowedaddr:       epInfo.Iface().Address().String(),
		Configallowedaddr: "true",
		Defrouter:         defRouter,
		Linkprotection:    "mac-nospoof, ip-nospoof",
		Macaddress:        epInfo.Iface().MacAddress().String(),
	}

	return runzanet, nil
}

func (container *Container) buildEndpointInfo(ep libnetwork.Endpoint, networkSettings *network.Settings) (*network.Settings, error) {
	if ep == nil {
		return nil, fmt.Errorf("invalid endpoint while building port map info")
	}

	if networkSettings == nil {
		return nil, fmt.Errorf("invalid networksettings while building port map info")
	}

	epInfo := ep.Info()
	if epInfo == nil {
		// It is not an error to get an empty endpoint info
		return networkSettings, nil
	}

	ifaceList := epInfo.InterfaceList()
	if len(ifaceList) == 0 {
		return networkSettings, nil
	}

	iface := ifaceList[0]

	ones, _ := iface.Address().Mask.Size()
	networkSettings.IPAddress = iface.Address().IP.String()
	networkSettings.IPPrefixLen = ones

	if iface.AddressIPv6().IP.To16() != nil {
		onesv6, _ := iface.AddressIPv6().Mask.Size()
		networkSettings.GlobalIPv6Address = iface.AddressIPv6().IP.String()
		networkSettings.GlobalIPv6PrefixLen = onesv6
	}

	if len(ifaceList) == 1 {
		return networkSettings, nil
	}

	networkSettings.SecondaryIPAddresses = make([]network.Address, 0, len(ifaceList)-1)
	networkSettings.SecondaryIPv6Addresses = make([]network.Address, 0, len(ifaceList)-1)
	for _, iface := range ifaceList[1:] {
		ones, _ := iface.Address().Mask.Size()
		addr := network.Address{Addr: iface.Address().IP.String(), PrefixLen: ones}
		networkSettings.SecondaryIPAddresses = append(networkSettings.SecondaryIPAddresses, addr)

		if iface.AddressIPv6().IP.To16() != nil {
			onesv6, _ := iface.AddressIPv6().Mask.Size()
			addrv6 := network.Address{Addr: iface.AddressIPv6().IP.String(), PrefixLen: onesv6}
			networkSettings.SecondaryIPv6Addresses = append(networkSettings.SecondaryIPv6Addresses, addrv6)
		}
	}

	return networkSettings, nil
}

func (container *Container) buildEndpointInfo(n libnetwork.Network, ep libnetwork.Endpoint, networkSettings *network.Settings) (*network.Settings, error) {
	if ep == nil {
		return nil, derr.ErrorCodeEmptyEndpoint
	}

	if networkSettings == nil {
		return nil, derr.ErrorCodeEmptyNetwork
	}

	epInfo := ep.Info()
	if epInfo == nil {
		// It is not an error to get an empty endpoint info
		return networkSettings, nil
	}

	if _, ok := networkSettings.Networks[n.Name()]; !ok {
		networkSettings.Networks[n.Name()] = new(network.EndpointSettings)
	}
	networkSettings.Networks[n.Name()].EndpointID = ep.ID()

	iface := epInfo.Iface()
	if iface == nil {
		return networkSettings, nil
	}

	if iface.Address() != nil {
		ones, _ := iface.Address().Mask.Size()
		networkSettings.Networks[n.Name()].IPAddress = iface.Address().IP.String()
		networkSettings.Networks[n.Name()].IPPrefixLen = ones
	}

	if iface.AddressIPv6() != nil && iface.AddressIPv6().IP.To16() != nil {
		onesv6, _ := iface.AddressIPv6().Mask.Size()
		networkSettings.Networks[n.Name()].GlobalIPv6Address = iface.AddressIPv6().IP.String()
		networkSettings.Networks[n.Name()].GlobalIPv6PrefixLen = onesv6
	}

	driverInfo, err := ep.DriverInfo()
	if err != nil {
		return nil, err
	}

	if driverInfo == nil {
		// It is not an error for epInfo to be nil
		return networkSettings, nil
	}
	if mac, ok := driverInfo[netlabel.MacAddress]; ok {
		networkSettings.Networks[n.Name()].MacAddress = mac.(net.HardwareAddr).String()
	}

	return networkSettings, nil
}

func (container *Container) updateJoinInfo(n libnetwork.Network, ep libnetwork.Endpoint) error {
	epInfo := ep.Info()
	if epInfo == nil {
		// It is not an error to get an empty endpoint info
		return nil
	}
	container.NetworkSettings.Networks[n.Name()].Gateway = epInfo.Gateway().String()
	if epInfo.GatewayIPv6().To16() != nil {
		container.NetworkSettings.Networks[n.Name()].IPv6Gateway = epInfo.GatewayIPv6().String()
	}

	return nil
}

func (container *Container) updateJoinInfo(ep libnetwork.Endpoint) error {
	epInfo := ep.Info()
	if epInfo == nil {
		// It is not an error to get an empty endpoint info
		return nil
	}

	container.NetworkSettings.Gateway = epInfo.Gateway().String()
	if epInfo.GatewayIPv6().To16() != nil {
		container.NetworkSettings.IPv6Gateway = epInfo.GatewayIPv6().String()
	}

	container.NetworkSettings.SandboxKey = epInfo.SandboxKey()

	return nil
}

// BuildEndpointInfo sets endpoint-related fields on container.NetworkSettings based on the provided network and endpoint.
func (container *Container) BuildEndpointInfo(n libnetwork.Network, ep libnetwork.Endpoint) error {
	if ep == nil {
		return errInvalidEndpoint
	}

	networkSettings := container.NetworkSettings
	if networkSettings == nil {
		return errInvalidNetwork
	}

	epInfo := ep.Info()
	if epInfo == nil {
		// It is not an error to get an empty endpoint info
		return nil
	}

	if _, ok := networkSettings.Networks[n.Name()]; !ok {
		networkSettings.Networks[n.Name()] = &network.EndpointSettings{
			EndpointSettings: &networktypes.EndpointSettings{},
		}
	}
	networkSettings.Networks[n.Name()].NetworkID = n.ID()
	networkSettings.Networks[n.Name()].EndpointID = ep.ID()

	iface := epInfo.Iface()
	if iface == nil {
		return nil
	}

	if iface.MacAddress() != nil {
		networkSettings.Networks[n.Name()].MacAddress = iface.MacAddress().String()
	}

	if iface.Address() != nil {
		ones, _ := iface.Address().Mask.Size()
		networkSettings.Networks[n.Name()].IPAddress = iface.Address().IP.String()
		networkSettings.Networks[n.Name()].IPPrefixLen = ones
	}

	if iface.AddressIPv6() != nil && iface.AddressIPv6().IP.To16() != nil {
		onesv6, _ := iface.AddressIPv6().Mask.Size()
		networkSettings.Networks[n.Name()].GlobalIPv6Address = iface.AddressIPv6().IP.String()
		networkSettings.Networks[n.Name()].GlobalIPv6PrefixLen = onesv6
	}

	return nil
}

func buildEndpointResource(ep libnetwork.Endpoint) *endpointResource {
	r := &endpointResource{}
	var iplist []string
	if ep != nil {
		r.Name = ep.Name()
		r.ID = ep.ID()
		r.Network = ep.Network()
		// Build a list of ip addrs on this endpoint.
		for _, iface := range ep.Info().InterfaceList() {
			if iface.Address().IP != nil && len(iface.Address().IP) > 0 {
				ip := iface.Address().IP.String()
				iplist = append(iplist, ip)
			}
		}
		r.InterfaceList = iplist
	}
	return r
}