Golang libnetwork.NetworkOptionInternalNetwork函数代码示例

/***************************
 NetworkController interface
****************************/
func procCreateNetwork(c libnetwork.NetworkController, vars map[string]string, body []byte) (interface{}, *responseStatus) {
	var create networkCreate

	err := json.Unmarshal(body, &create)
	if err != nil {
		return "", &responseStatus{Status: "Invalid body: " + err.Error(), StatusCode: http.StatusBadRequest}
	}
	processCreateDefaults(c, &create)

	options := []libnetwork.NetworkOption{}
	if len(create.NetworkOpts) > 0 {
		if _, ok := create.NetworkOpts[netlabel.Internal]; ok {
			options = append(options, libnetwork.NetworkOptionInternalNetwork())
		}
	}
	if len(create.DriverOpts) > 0 {
		options = append(options, libnetwork.NetworkOptionDriverOpts(create.DriverOpts))
	}
	nw, err := c.NewNetwork(create.NetworkType, create.Name, options...)
	if err != nil {
		return "", convertNetworkError(err)
	}

	return nw.ID(), &createdResponse
}

// CreateNetwork creates a network with the given name, driver and other optional parameters
func (daemon *Daemon) CreateNetwork(name, driver string, ipam network.IPAM, netOption map[string]string, labels map[string]string, internal bool, enableIPv6 bool) (libnetwork.Network, error) {
	c := daemon.netController
	if driver == "" {
		driver = c.Config().Daemon.DefaultDriver
	}

	v4Conf, v6Conf, err := getIpamConfig(ipam.Config)
	if err != nil {
		return nil, err
	}

	nwOptions := []libnetwork.NetworkOption{
		libnetwork.NetworkOptionIpam(ipam.Driver, "", v4Conf, v6Conf, ipam.Options),
		libnetwork.NetworkOptionEnableIPv6(enableIPv6),
		libnetwork.NetworkOptionDriverOpts(netOption),
		libnetwork.NetworkOptionLabels(labels),
	}
	if internal {
		nwOptions = append(nwOptions, libnetwork.NetworkOptionInternalNetwork())
	}
	n, err := c.NewNetwork(driver, name, nwOptions...)
	if err != nil {
		return nil, err
	}

	daemon.LogNetworkEvent(n, "create")
	return n, nil
}

// CreateNetwork creates a network with the given name, driver and other optional parameters
func (daemon *Daemon) CreateNetwork(create types.NetworkCreateRequest) (*types.NetworkCreateResponse, error) {
	if runconfig.IsPreDefinedNetwork(create.Name) {
		err := fmt.Errorf("%s is a pre-defined network and cannot be created", create.Name)
		return nil, errors.NewErrorWithStatusCode(err, http.StatusForbidden)
	}

	var warning string
	nw, err := daemon.GetNetworkByName(create.Name)
	if err != nil {
		if _, ok := err.(libnetwork.ErrNoSuchNetwork); !ok {
			return nil, err
		}
	}
	if nw != nil {
		if create.CheckDuplicate {
			return nil, libnetwork.NetworkNameError(create.Name)
		}
		warning = fmt.Sprintf("Network with name %s (id : %s) already exists", nw.Name(), nw.ID())
	}

	c := daemon.netController
	driver := create.Driver
	if driver == "" {
		driver = c.Config().Daemon.DefaultDriver
	}

	ipam := create.IPAM
	v4Conf, v6Conf, err := getIpamConfig(ipam.Config)
	if err != nil {
		return nil, err
	}

	nwOptions := []libnetwork.NetworkOption{
		libnetwork.NetworkOptionIpam(ipam.Driver, "", v4Conf, v6Conf, ipam.Options),
		libnetwork.NetworkOptionEnableIPv6(create.EnableIPv6),
		libnetwork.NetworkOptionDriverOpts(create.Options),
		libnetwork.NetworkOptionLabels(create.Labels),
	}
	if create.Internal {
		nwOptions = append(nwOptions, libnetwork.NetworkOptionInternalNetwork())
	}
	n, err := c.NewNetwork(driver, create.Name, nwOptions...)
	if err != nil {
		return nil, err
	}

	daemon.LogNetworkEvent(n, "create")
	return &types.NetworkCreateResponse{
		ID:      n.ID(),
		Warning: warning,
	}, nil
}

/***************************
 NetworkController interface
****************************/
func procCreateNetwork(c libnetwork.NetworkController, vars map[string]string, body []byte) (interface{}, *responseStatus) {
	var create networkCreate

	err := json.Unmarshal(body, &create)
	if err != nil {
		return nil, &responseStatus{Status: "Invalid body: " + err.Error(), StatusCode: http.StatusBadRequest}
	}
	processCreateDefaults(c, &create)

	options := []libnetwork.NetworkOption{}
	if val, ok := create.NetworkOpts[netlabel.Internal]; ok {
		internal, err := strconv.ParseBool(val)
		if err != nil {
			return nil, &responseStatus{Status: err.Error(), StatusCode: http.StatusBadRequest}
		}
		if internal {
			options = append(options, libnetwork.NetworkOptionInternalNetwork())
		}
	}
	if val, ok := create.NetworkOpts[netlabel.EnableIPv6]; ok {
		enableIPv6, err := strconv.ParseBool(val)
		if err != nil {
			return nil, &responseStatus{Status: err.Error(), StatusCode: http.StatusBadRequest}
		}
		options = append(options, libnetwork.NetworkOptionEnableIPv6(enableIPv6))
	}
	if len(create.DriverOpts) > 0 {
		options = append(options, libnetwork.NetworkOptionDriverOpts(create.DriverOpts))
	}

	if len(create.IPv4Conf) > 0 {
		ipamV4Conf := &libnetwork.IpamConf{
			PreferredPool: create.IPv4Conf[0].PreferredPool,
			SubPool:       create.IPv4Conf[0].SubPool,
		}

		options = append(options, libnetwork.NetworkOptionIpam("default", "", []*libnetwork.IpamConf{ipamV4Conf}, nil, nil))
	}

	nw, err := c.NewNetwork(create.NetworkType, create.Name, create.ID, options...)
	if err != nil {
		return nil, convertNetworkError(err)
	}

	return nw.ID(), &createdResponse
}

func (daemon *Daemon) createNetwork(create types.NetworkCreateRequest, id string, agent bool) (*types.NetworkCreateResponse, error) {
	// If there is a pending ingress network creation wait here
	// since ingress network creation can happen via node download
	// from manager or task download.
	if isIngressNetwork(create.Name) {
		defer ingressWait()()
	}

	if runconfig.IsPreDefinedNetwork(create.Name) && !agent {
		err := fmt.Errorf("%s is a pre-defined network and cannot be created", create.Name)
		return nil, errors.NewRequestForbiddenError(err)
	}

	var warning string
	nw, err := daemon.GetNetworkByName(create.Name)
	if err != nil {
		if _, ok := err.(libnetwork.ErrNoSuchNetwork); !ok {
			return nil, err
		}
	}
	if nw != nil {
		if create.CheckDuplicate {
			return nil, libnetwork.NetworkNameError(create.Name)
		}
		warning = fmt.Sprintf("Network with name %s (id : %s) already exists", nw.Name(), nw.ID())
	}

	c := daemon.netController
	driver := create.Driver
	if driver == "" {
		driver = c.Config().Daemon.DefaultDriver
	}

	nwOptions := []libnetwork.NetworkOption{
		libnetwork.NetworkOptionEnableIPv6(create.EnableIPv6),
		libnetwork.NetworkOptionDriverOpts(create.Options),
		libnetwork.NetworkOptionLabels(create.Labels),
	}

	if create.IPAM != nil {
		ipam := create.IPAM
		v4Conf, v6Conf, err := getIpamConfig(ipam.Config)
		if err != nil {
			return nil, err
		}
		nwOptions = append(nwOptions, libnetwork.NetworkOptionIpam(ipam.Driver, "", v4Conf, v6Conf, ipam.Options))
	}

	if create.Internal {
		nwOptions = append(nwOptions, libnetwork.NetworkOptionInternalNetwork())
	}
	if agent {
		nwOptions = append(nwOptions, libnetwork.NetworkOptionDynamic())
		nwOptions = append(nwOptions, libnetwork.NetworkOptionPersist(false))
	}

	if isIngressNetwork(create.Name) {
		nwOptions = append(nwOptions, libnetwork.NetworkOptionIngress())
	}

	n, err := c.NewNetwork(driver, create.Name, id, nwOptions...)
	if err != nil {
		return nil, err
	}

	daemon.LogNetworkEvent(n, "create")

	return &types.NetworkCreateResponse{
		ID:      n.ID(),
		Warning: warning,
	}, nil
}