Golang opts.ConvertKVStringsToMap函数代码示例

func (opts *serviceOptions) ToService() (swarm.ServiceSpec, error) {
	var service swarm.ServiceSpec

	service = swarm.ServiceSpec{
		Annotations: swarm.Annotations{
			Name:   opts.name,
			Labels: runconfigopts.ConvertKVStringsToMap(opts.labels.GetAll()),
		},
		TaskTemplate: swarm.TaskSpec{
			ContainerSpec: swarm.ContainerSpec{
				Image:           opts.image,
				Args:            opts.args,
				Env:             opts.env.GetAll(),
				Labels:          runconfigopts.ConvertKVStringsToMap(opts.containerLabels.GetAll()),
				Dir:             opts.workdir,
				User:            opts.user,
				Groups:          opts.groups,
				Mounts:          opts.mounts.Value(),
				StopGracePeriod: opts.stopGrace.Value(),
			},
			Networks:      convertNetworks(opts.networks),
			Resources:     opts.resources.ToResourceRequirements(),
			RestartPolicy: opts.restartPolicy.ToRestartPolicy(),
			Placement: &swarm.Placement{
				Constraints: opts.constraints,
			},
			LogDriver: opts.logDriver.toLogDriver(),
		},
		Networks: convertNetworks(opts.networks),
		Mode:     swarm.ServiceMode{},
		UpdateConfig: &swarm.UpdateConfig{
			Parallelism:     opts.update.parallelism,
			Delay:           opts.update.delay,
			Monitor:         opts.update.monitor,
			FailureAction:   opts.update.onFailure,
			MaxFailureRatio: opts.update.maxFailureRatio,
		},
		EndpointSpec: opts.endpoint.ToEndpointSpec(),
	}

	switch opts.mode {
	case "global":
		if opts.replicas.Value() != nil {
			return service, fmt.Errorf("replicas can only be used with replicated mode")
		}

		service.Mode.Global = &swarm.GlobalService{}
	case "replicated":
		service.Mode.Replicated = &swarm.ReplicatedService{
			Replicas: opts.replicas.Value(),
		}
	default:
		return service, fmt.Errorf("Unknown mode: %s", opts.mode)
	}
	return service, nil
}

func runSecretCreate(dockerCli *command.DockerCli, options createOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	secretData, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		return fmt.Errorf("Error reading content from STDIN: %v", err)
	}

	spec := swarm.SecretSpec{
		Annotations: swarm.Annotations{
			Name:   options.name,
			Labels: runconfigopts.ConvertKVStringsToMap(options.labels.GetAll()),
		},
		Data: secretData,
	}

	r, err := client.SecretCreate(ctx, spec)
	if err != nil {
		return err
	}

	fmt.Fprintln(dockerCli.Out(), r.ID)
	return nil
}

func resolveEnvironment(serviceConfig *types.ServiceConfig, serviceDict types.Dict, workingDir string) error {
	environment := make(map[string]string)

	if envFileVal, ok := serviceDict["env_file"]; ok {
		envFiles := loadStringOrListOfStrings(envFileVal)

		var envVars []string

		for _, file := range envFiles {
			filePath := path.Join(workingDir, file)
			fileVars, err := opts.ParseEnvFile(filePath)
			if err != nil {
				return err
			}
			envVars = append(envVars, fileVars...)
		}

		for k, v := range opts.ConvertKVStringsToMap(envVars) {
			environment[k] = v
		}
	}

	for k, v := range serviceConfig.Environment {
		environment[k] = v
	}

	serviceConfig.Environment = environment

	return nil
}

// CmdNetworkCreate creates a new network with a given name
//
// Usage: docker network create [OPTIONS] <NETWORK-NAME>
func (cli *DockerCli) CmdNetworkCreate(args ...string) error {
	cmd := Cli.Subcmd("network create", []string{"NETWORK-NAME"}, "Creates a new network with a name specified by the user", false)
	flDriver := cmd.String([]string{"d", "-driver"}, "bridge", "Driver to manage the Network")
	flOpts := opts.NewMapOpts(nil, nil)

	flIpamDriver := cmd.String([]string{"-ipam-driver"}, "default", "IP Address Management Driver")
	flIpamSubnet := opts.NewListOpts(nil)
	flIpamIPRange := opts.NewListOpts(nil)
	flIpamGateway := opts.NewListOpts(nil)
	flIpamAux := opts.NewMapOpts(nil, nil)
	flIpamOpt := opts.NewMapOpts(nil, nil)
	flLabels := opts.NewListOpts(nil)

	cmd.Var(&flIpamSubnet, []string{"-subnet"}, "subnet in CIDR format that represents a network segment")
	cmd.Var(&flIpamIPRange, []string{"-ip-range"}, "allocate container ip from a sub-range")
	cmd.Var(&flIpamGateway, []string{"-gateway"}, "ipv4 or ipv6 Gateway for the master subnet")
	cmd.Var(flIpamAux, []string{"-aux-address"}, "auxiliary ipv4 or ipv6 addresses used by Network driver")
	cmd.Var(flOpts, []string{"o", "-opt"}, "set driver specific options")
	cmd.Var(flIpamOpt, []string{"-ipam-opt"}, "set IPAM driver specific options")
	cmd.Var(&flLabels, []string{"-label"}, "set metadata on a network")

	flInternal := cmd.Bool([]string{"-internal"}, false, "restricts external access to the network")
	flIPv6 := cmd.Bool([]string{"-ipv6"}, false, "enable IPv6 networking")

	cmd.Require(flag.Exact, 1)
	err := cmd.ParseFlags(args, true)
	if err != nil {
		return err
	}

	// Set the default driver to "" if the user didn't set the value.
	// That way we can know whether it was user input or not.
	driver := *flDriver
	if !cmd.IsSet("-driver") && !cmd.IsSet("d") {
		driver = ""
	}

	ipamCfg, err := consolidateIpam(flIpamSubnet.GetAll(), flIpamIPRange.GetAll(), flIpamGateway.GetAll(), flIpamAux.GetAll())
	if err != nil {
		return err
	}

	// Construct network create request body
	nc := types.NetworkCreate{
		Driver:         driver,
		IPAM:           network.IPAM{Driver: *flIpamDriver, Config: ipamCfg, Options: flIpamOpt.GetAll()},
		Options:        flOpts.GetAll(),
		CheckDuplicate: true,
		Internal:       *flInternal,
		EnableIPv6:     *flIPv6,
		Labels:         runconfigopts.ConvertKVStringsToMap(flLabels.GetAll()),
	}

	resp, err := cli.client.NetworkCreate(context.Background(), cmd.Arg(0), nc)
	if err != nil {
		return err
	}
	fmt.Fprintf(cli.out, "%s\n", resp.ID)
	return nil
}

func runSecretCreate(dockerCli *command.DockerCli, options createOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	var in io.Reader = dockerCli.In()
	if options.file != "-" {
		file, err := system.OpenSequential(options.file)
		if err != nil {
			return err
		}
		in = file
		defer file.Close()
	}

	secretData, err := ioutil.ReadAll(in)
	if err != nil {
		return fmt.Errorf("Error reading content from %q: %v", options.file, err)
	}

	spec := swarm.SecretSpec{
		Annotations: swarm.Annotations{
			Name:   options.name,
			Labels: runconfigopts.ConvertKVStringsToMap(options.labels.GetAll()),
		},
		Data: secretData,
	}

	r, err := client.SecretCreate(ctx, spec)
	if err != nil {
		return err
	}

	fmt.Fprintln(dockerCli.Out(), r.ID)
	return nil
}

func newListNodesFilters(filter filters.Args) (*swarmapi.ListNodesRequest_Filters, error) {
	accepted := map[string]bool{
		"name":       true,
		"id":         true,
		"label":      true,
		"role":       true,
		"membership": true,
	}
	if err := filter.Validate(accepted); err != nil {
		return nil, err
	}
	f := &swarmapi.ListNodesRequest_Filters{
		Names:      filter.Get("name"),
		IDPrefixes: filter.Get("id"),
		Labels:     runconfigopts.ConvertKVStringsToMap(filter.Get("label")),
	}

	for _, r := range filter.Get("role") {
		if role, ok := swarmapi.NodeRole_value[strings.ToUpper(r)]; ok {
			f.Roles = append(f.Roles, swarmapi.NodeRole(role))
		} else if r != "" {
			return nil, fmt.Errorf("Invalid role filter: '%s'", r)
		}
	}

	for _, a := range filter.Get("membership") {
		if membership, ok := swarmapi.NodeSpec_Membership_value[strings.ToUpper(a)]; ok {
			f.Memberships = append(f.Memberships, swarmapi.NodeSpec_Membership(membership))
		} else if a != "" {
			return nil, fmt.Errorf("Invalid membership filter: '%s'", a)
		}
	}

	return f, nil
}

func runCreate(dockerCli *client.DockerCli, opts createOptions) error {
	client := dockerCli.Client()

	ipamCfg, err := consolidateIpam(opts.ipamSubnet, opts.ipamIPRange, opts.ipamGateway, opts.ipamAux.GetAll())
	if err != nil {
		return err
	}

	// Construct network create request body
	nc := types.NetworkCreate{
		Driver:  opts.driver,
		Options: opts.driverOpts.GetAll(),
		IPAM: network.IPAM{
			Driver:  opts.ipamDriver,
			Config:  ipamCfg,
			Options: opts.ipamOpt.GetAll(),
		},
		CheckDuplicate: true,
		Internal:       opts.internal,
		EnableIPv6:     opts.ipv6,
		Labels:         runconfigopts.ConvertKVStringsToMap(opts.labels),
	}

	resp, err := client.NetworkCreate(context.Background(), opts.name, nc)
	if err != nil {
		return err
	}
	fmt.Fprintf(dockerCli.Out(), "%s\n", resp.ID)
	return nil
}

func parseLoggingOpts(loggingDriver string, loggingOpts []string) (map[string]string, error) {
	loggingOptsMap := runconfigopts.ConvertKVStringsToMap(loggingOpts)
	if loggingDriver == "none" && len(loggingOpts) > 0 {
		return map[string]string{}, fmt.Errorf("invalid logging opts for driver %s", loggingDriver)
	}
	return loggingOptsMap, nil
}

// CmdVolumeCreate creates a new volume.
//
// Usage: docker volume create [OPTIONS]
func (cli *DockerCli) CmdVolumeCreate(args ...string) error {
	cmd := Cli.Subcmd("volume create", nil, "Create a volume", true)
	flDriver := cmd.String([]string{"d", "-driver"}, "local", "Specify volume driver name")
	flName := cmd.String([]string{"-name"}, "", "Specify volume name")

	flDriverOpts := opts.NewMapOpts(nil, nil)
	cmd.Var(flDriverOpts, []string{"o", "-opt"}, "Set driver specific options")

	flLabels := opts.NewListOpts(nil)
	cmd.Var(&flLabels, []string{"-label"}, "Set metadata for a volume")

	cmd.Require(flag.Exact, 0)
	cmd.ParseFlags(args, true)

	volReq := types.VolumeCreateRequest{
		Driver:     *flDriver,
		DriverOpts: flDriverOpts.GetAll(),
		Name:       *flName,
		Labels:     runconfigopts.ConvertKVStringsToMap(flLabels.GetAll()),
	}

	vol, err := cli.client.VolumeCreate(context.Background(), volReq)
	if err != nil {
		return err
	}

	fmt.Fprintf(cli.out, "%s\n", vol.Name)
	return nil
}

func (opts *nodeOptions) ToNodeSpec() (swarm.NodeSpec, error) {
	var spec swarm.NodeSpec

	spec.Annotations.Name = opts.annotations.name
	spec.Annotations.Labels = runconfigopts.ConvertKVStringsToMap(opts.annotations.labels.GetAll())

	switch swarm.NodeRole(strings.ToLower(opts.role)) {
	case swarm.NodeRoleWorker:
		spec.Role = swarm.NodeRoleWorker
	case swarm.NodeRoleManager:
		spec.Role = swarm.NodeRoleManager
	case "":
	default:
		return swarm.NodeSpec{}, fmt.Errorf("invalid role %q, only worker and manager are supported", opts.role)
	}

	switch swarm.NodeAvailability(strings.ToLower(opts.availability)) {
	case swarm.NodeAvailabilityActive:
		spec.Availability = swarm.NodeAvailabilityActive
	case swarm.NodeAvailabilityPause:
		spec.Availability = swarm.NodeAvailabilityPause
	case swarm.NodeAvailabilityDrain:
		spec.Availability = swarm.NodeAvailabilityDrain
	case "":
	default:
		return swarm.NodeSpec{}, fmt.Errorf("invalid availability %q, only active, pause and drain are supported", opts.availability)
	}

	return spec, nil
}

func newListTasksFilters(filter filters.Args) (*swarmapi.ListTasksRequest_Filters, error) {
	accepted := map[string]bool{
		"name":          true,
		"id":            true,
		"label":         true,
		"service":       true,
		"node":          true,
		"desired_state": true,
	}
	if err := filter.Validate(accepted); err != nil {
		return nil, err
	}
	f := &swarmapi.ListTasksRequest_Filters{
		Names:      filter.Get("name"),
		IDPrefixes: filter.Get("id"),
		Labels:     runconfigopts.ConvertKVStringsToMap(filter.Get("label")),
		ServiceIDs: filter.Get("service"),
		NodeIDs:    filter.Get("node"),
	}

	for _, s := range filter.Get("desired_state") {
		if state, ok := swarmapi.TaskState_value[strings.ToUpper(s)]; ok {
			f.DesiredStates = append(f.DesiredStates, swarmapi.TaskState(state))
		} else if s != "" {
			return nil, fmt.Errorf("Invalid desired_state filter: '%s'", s)
		}
	}

	return f, nil
}

func (ldo *logDriverOptions) toLogDriver() *swarm.Driver {
	if ldo.name == "" {
		return nil
	}

	// set the log driver only if specified.
	return &swarm.Driver{
		Name:    ldo.name,
		Options: runconfigopts.ConvertKVStringsToMap(ldo.opts.GetAll()),
	}
}

func updateLabels(flags *pflag.FlagSet, field *map[string]string) {
	if !flags.Changed(flagLabel) {
		return
	}

	values := flags.Lookup(flagLabel).Value.(*opts.ListOpts).GetAll()

	localLabels := map[string]string{}
	for key, value := range runconfigopts.ConvertKVStringsToMap(values) {
		localLabels[key] = value
	}
	*field = localLabels
}

func mergeLabels(flags *pflag.FlagSet, field *map[string]string) {
	if !flags.Changed("label") {
		return
	}

	if *field == nil {
		*field = make(map[string]string)
	}

	values := flags.Lookup("label").Value.(*opts.ListOpts).GetAll()
	for key, value := range runconfigopts.ConvertKVStringsToMap(values) {
		(*field)[key] = value
	}
}

func newListServicesFilters(filter filters.Args) (*swarmapi.ListServicesRequest_Filters, error) {
	accepted := map[string]bool{
		"name":  true,
		"id":    true,
		"label": true,
	}
	if err := filter.Validate(accepted); err != nil {
		return nil, err
	}
	return &swarmapi.ListServicesRequest_Filters{
		Names:      filter.Get("name"),
		IDPrefixes: filter.Get("id"),
		Labels:     runconfigopts.ConvertKVStringsToMap(filter.Get("label")),
	}, nil
}