Example #1
2
func ports(c *config.ServiceConfig) (map[nat.Port]struct{}, nat.PortMap, error) {
	ports, binding, err := nat.ParsePortSpecs(c.Ports)
	if err != nil {
		return nil, nil, err
	}

	exPorts, _, err := nat.ParsePortSpecs(c.Expose)
	if err != nil {
		return nil, nil, err
	}

	for k, v := range exPorts {
		ports[k] = v
	}

	exposedPorts := map[nat.Port]struct{}{}
	for k, v := range ports {
		exposedPorts[nat.Port(k)] = v
	}

	portBindings := nat.PortMap{}
	for k, bv := range binding {
		dcbs := make([]nat.PortBinding, len(bv))
		for k, v := range bv {
			dcbs[k] = nat.PortBinding{HostIP: v.HostIP, HostPort: v.HostPort}
		}
		portBindings[nat.Port(k)] = dcbs
	}
	return exposedPorts, portBindings, nil
}
Example #2
1
func updatePorts(flags *pflag.FlagSet, portConfig *[]swarm.PortConfig) {
	if flags.Changed(flagPublishAdd) {
		values := flags.Lookup(flagPublishAdd).Value.(*opts.ListOpts).GetAll()
		ports, portBindings, _ := nat.ParsePortSpecs(values)

		for port := range ports {
			*portConfig = append(*portConfig, convertPortToPortConfig(port, portBindings)...)
		}
	}

	if !flags.Changed(flagPublishRemove) {
		return
	}
	toRemove := flags.Lookup(flagPublishRemove).Value.(*opts.ListOpts).GetAll()
	newPorts := []swarm.PortConfig{}
portLoop:
	for _, port := range *portConfig {
		for _, rawTargetPort := range toRemove {
			targetPort := nat.Port(rawTargetPort)
			if equalPort(targetPort, port) {
				continue portLoop
			}
		}
		newPorts = append(newPorts, port)
	}
	*portConfig = newPorts
}
Example #3
0
func TestPort(t *testing.T) {
	portMap, bindingMap, err := nat.ParsePortSpecs([]string{
		"1236:1235/tcp",
		"1237:1235/tcp",
		"2345/udp", "80",
		"127.0.0.1::8080",
		"127.0.0.1:5279:8080",
	})
	if err != nil {
		t.Errorf("Failed to parse ports: %s", err.Error())
	}
	t.Logf("portMap: %s", portMap)
	t.Logf("bindingMap: %s", bindingMap)

	for p := range bindingMap {
		expected := bindingMap[p]
		for i := range expected {
			expected[i].HostIP = ""
		}

		bindings := fromPortbinding(p, bindingMap[p])
		t.Logf("binding: %s", bindings)
		_, outMap, err := nat.ParsePortSpecs(bindings)
		if err != nil {
			t.Errorf("Failed to parse back string bindings: %s", err)
		}
		for op := range outMap {
			assert.Equal(t, outMap[op], bindingMap[op])
		}

	}
}
Example #4
0
// EXPOSE 6667/tcp 7000/tcp
//
// Expose ports for links and port mappings. This all ends up in
// b.runConfig.ExposedPorts for runconfig.
//
func expose(b *Builder, args []string, attributes map[string]bool, original string) error {
	portsTab := args

	if len(args) == 0 {
		return errAtLeastOneArgument("EXPOSE")
	}

	if err := b.flags.Parse(); err != nil {
		return err
	}

	if b.runConfig.ExposedPorts == nil {
		b.runConfig.ExposedPorts = make(nat.PortSet)
	}

	ports, _, err := nat.ParsePortSpecs(portsTab)
	if err != nil {
		return err
	}

	// instead of using ports directly, we build a list of ports and sort it so
	// the order is consistent. This prevents cache burst where map ordering
	// changes between builds
	portList := make([]string, len(ports))
	var i int
	for port := range ports {
		if _, exists := b.runConfig.ExposedPorts[port]; !exists {
			b.runConfig.ExposedPorts[port] = struct{}{}
		}
		portList[i] = string(port)
		i++
	}
	sort.Strings(portList)
	return b.commit("", b.runConfig.Cmd, fmt.Sprintf("EXPOSE %s", strings.Join(portList, " ")))
}
Example #5
0
// TODO: should this override by name, or does swarm handle that?
func mergePorts(flags *pflag.FlagSet, portConfig *[]swarm.PortConfig) {
	if !flags.Changed("ports") {
		return
	}

	values := flags.Lookup("ports").Value.(*opts.ListOpts).GetAll()
	ports, portBindings, _ := nat.ParsePortSpecs(values)

	for port := range ports {
		*portConfig = append(*portConfig, convertPortToPortConfig(port, portBindings)...)
	}
}
Example #6
0
func (e *endpointOptions) ToEndpointSpec() *swarm.EndpointSpec {
	portConfigs := []swarm.PortConfig{}
	// We can ignore errors because the format was already validated by ValidatePort
	ports, portBindings, _ := nat.ParsePortSpecs(e.ports.GetAll())

	for port := range ports {
		portConfigs = append(portConfigs, convertPortToPortConfig(port, portBindings)...)
	}

	return &swarm.EndpointSpec{
		Mode:  swarm.ResolutionMode(strings.ToLower(e.mode)),
		Ports: portConfigs,
	}
}
Example #7
0
// TODO: should this override by name, or does swarm handle that?
func updatePorts(flags *pflag.FlagSet, portConfig *[]swarm.PortConfig) {
	if !flags.Changed(flagPublish) {
		return
	}

	values := flags.Lookup(flagPublish).Value.(*opts.ListOpts).GetAll()
	ports, portBindings, _ := nat.ParsePortSpecs(values)

	var localPortConfig []swarm.PortConfig
	for port := range ports {
		localPortConfig = append(localPortConfig, convertPortToPortConfig(port, portBindings)...)
	}
	*portConfig = localPortConfig
}
Example #8
0
func convertEndpointSpec(source []string) (*swarm.EndpointSpec, error) {
	portConfigs := []swarm.PortConfig{}
	ports, portBindings, err := nat.ParsePortSpecs(source)
	if err != nil {
		return nil, err
	}

	for port := range ports {
		portConfigs = append(
			portConfigs,
			opts.ConvertPortToPortConfig(port, portBindings)...)
	}

	return &swarm.EndpointSpec{Ports: portConfigs}, nil
}
Example #9
0
func (s *Service) specificiesHostPort() bool {
	_, bindings, err := nat.ParsePortSpecs(s.Config().Ports)

	if err != nil {
		fmt.Println(err)
	}

	for _, portBindings := range bindings {
		for _, portBinding := range portBindings {
			if portBinding.HostPort != "" {
				return true
			}
		}
	}

	return false
}
Example #10
0
func updatePorts(flags *pflag.FlagSet, portConfig *[]swarm.PortConfig) error {
	// The key of the map is `port/protocol`, e.g., `80/tcp`
	portSet := map[string]swarm.PortConfig{}
	// Check to see if there are any conflict in flags.
	if flags.Changed(flagPublishAdd) {
		values := flags.Lookup(flagPublishAdd).Value.(*opts.ListOpts).GetAll()
		ports, portBindings, _ := nat.ParsePortSpecs(values)

		for port := range ports {
			newConfigs := convertPortToPortConfig(port, portBindings)
			for _, entry := range newConfigs {
				if v, ok := portSet[portConfigToString(&entry)]; ok && v != entry {
					return fmt.Errorf("conflicting port mapping between %v:%v/%s and %v:%v/%s", entry.PublishedPort, entry.TargetPort, entry.Protocol, v.PublishedPort, v.TargetPort, v.Protocol)
				}
				portSet[portConfigToString(&entry)] = entry
			}
		}
	}

	// Override previous PortConfig in service if there is any duplicate
	for _, entry := range *portConfig {
		if _, ok := portSet[portConfigToString(&entry)]; !ok {
			portSet[portConfigToString(&entry)] = entry
		}
	}

	toRemove := flags.Lookup(flagPublishRemove).Value.(*opts.ListOpts).GetAll()
	newPorts := []swarm.PortConfig{}
portLoop:
	for _, port := range portSet {
		for _, rawTargetPort := range toRemove {
			targetPort := nat.Port(rawTargetPort)
			if equalPort(targetPort, port) {
				continue portLoop
			}
		}
		newPorts = append(newPorts, port)
	}
	// Sort the PortConfig to avoid unnecessary updates
	sort.Sort(byPortConfig(newPorts))
	*portConfig = newPorts
	return nil
}
Example #11
0
File: cmd.go Project: tsuru/tsuru
func (c *dockerCmd) toValues() (url.Values, error) {
	ports, portBindings, err := nat.ParsePortSpecs(c.ports)
	if err != nil {
		return nil, err
	}
	c.config.Config.ExposedPorts = map[docker.Port]struct{}{}
	for k, v := range ports {
		c.config.Config.ExposedPorts[docker.Port(k)] = v
	}
	c.config.HostConfig.PortBindings = map[docker.Port][]docker.PortBinding{}
	for k, v := range portBindings {
		var val []docker.PortBinding
		for _, b := range v {
			val = append(val, docker.PortBinding{HostIP: b.HostIP, HostPort: b.HostPort})
		}
		c.config.HostConfig.PortBindings[docker.Port(k)] = val
	}
	val, err := form.EncodeToValues(c.config)
	if err != nil {
		return nil, err
	}
	for k := range val {
		lower := strings.ToLower(k)
		if lower == k {
			continue
		}
		val[lower] = val[k]
		delete(val, k)
	}
	for k, v := range c.raw {
		k = strings.ToLower(k)
		matches := reKeyWithIndex.FindStringSubmatch(k)
		if len(matches) >= 1 {
			val.Del(matches[1])
		}
		val.Set(k, v)
	}
	return val, nil
}
Example #12
0
func (c *Context) bindContainer(h *exec.Handle) ([]*Endpoint, error) {
	con, err := c.container(h)
	if con != nil {
		return con.Endpoints(), nil // already bound
	}

	if _, ok := err.(ResourceNotFoundError); !ok {
		return nil, err
	}

	con = &Container{
		id:   uid.Parse(h.ExecConfig.ID),
		name: h.ExecConfig.Name,
	}

	defaultMarked := false
	aliases := make(map[string]*Container)
	var endpoints []*Endpoint
	for _, ne := range h.ExecConfig.Networks {
		var s *Scope
		s, ok := c.scopes[ne.Network.Name]
		if !ok {
			return nil, &ResourceNotFoundError{}
		}

		defer func() {
			if err == nil {
				return
			}

			s.RemoveContainer(con)
		}()

		var eip *net.IP
		if ne.Static {
			eip = &ne.IP.IP
		} else if !ip.IsUnspecifiedIP(ne.Assigned.IP) {
			// for VCH restart, we need to reserve
			// the IP of the running container
			//
			// this may be a DHCP assigned IP, however, the
			// addContainer call below will ignore reserving
			// an IP if the scope is "dynamic"
			eip = &ne.Assigned.IP
		}

		e := newEndpoint(con, s, eip, nil)
		e.static = ne.Static
		if err = s.AddContainer(con, e); err != nil {
			return nil, err
		}

		ports, _, err := nat.ParsePortSpecs(ne.Ports)
		if err != nil {
			return nil, err
		}
		for p := range ports {
			var port Port
			if port, err = ParsePort(string(p)); err != nil {
				return nil, err
			}

			if err = e.addPort(port); err != nil {
				return nil, err
			}
		}

		if !ip.IsUnspecifiedIP(e.IP()) {
			ne.IP = &net.IPNet{
				IP:   e.IP(),
				Mask: e.Scope().Subnet().Mask,
			}
		}
		ne.Network.Gateway = net.IPNet{IP: e.Gateway(), Mask: e.Subnet().Mask}
		ne.Network.Nameservers = make([]net.IP, len(s.dns))
		copy(ne.Network.Nameservers, s.dns)

		// mark the external network as default
		if !defaultMarked && e.Scope().Type() == constants.ExternalScopeType {
			defaultMarked = true
			ne.Network.Default = true
		}

		// dns lookup aliases
		aliases[fmt.Sprintf("%s:%s", s.Name(), con.name)] = con
		aliases[fmt.Sprintf("%s:%s", s.Name(), con.id.Truncate())] = con

		// container specific aliases
		for _, a := range ne.Network.Aliases {
			log.Debugf("adding alias %s", a)
			l := strings.Split(a, ":")
			if len(l) != 2 {
				err = fmt.Errorf("Parsing network alias %s failed", a)
				return nil, err
			}

			who, what := l[0], l[1]
			if who == "" {
				who = con.name
			}
			if a, exists := e.addAlias(who, what); a != badAlias && !exists {
				whoc := con
				// if the alias is not for this container, then
				// find it in the container collection
				if who != con.name {
					whoc = c.containers[who]
				}

				// whoc may be nil here, which means that the aliased
				// container is not bound yet; this is OK, and will be
				// fixed up when "who" is bound
				if whoc != nil {
					aliases[a.scopedName()] = whoc
				}
			}
		}

		// fix up the aliases to this container
		// from other containers
		for _, e := range s.Endpoints() {
			if e.Container() == con {
				continue
			}

			for _, a := range e.getAliases(con.name) {
				aliases[a.scopedName()] = con
			}
		}

		endpoints = append(endpoints, e)
	}

	// verify all the aliases to be added do not conflict with
	// existing container keys
	for a := range aliases {
		if _, ok := c.containers[a]; ok {
			return nil, fmt.Errorf("duplicate alias %s for container %s", a, con.ID())
		}
	}

	// FIXME: if there was no external network to mark as default,
	// then just pick the first network to mark as default
	if !defaultMarked {
		defaultMarked = true
		for _, ne := range h.ExecConfig.Networks {
			ne.Network.Default = true
			break
		}
	}

	// long id
	c.containers[con.id.String()] = con
	// short id
	c.containers[con.id.Truncate().String()] = con
	// name
	c.containers[con.name] = con
	// aliases
	for k, v := range aliases {
		log.Debugf("adding alias %s -> %s", k, v.Name())
		c.containers[k] = v
	}

	return endpoints, nil
}
Example #13
0
// Parse parses the args for the specified command and generates a Config,
// a HostConfig and returns them with the specified command.
// If the specified args are not valid, it will return an error.
func Parse(flags *pflag.FlagSet, copts *ContainerOptions) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig, error) {
	var (
		attachStdin  = copts.attach.Get("stdin")
		attachStdout = copts.attach.Get("stdout")
		attachStderr = copts.attach.Get("stderr")
	)

	// Validate the input mac address
	if copts.macAddress != "" {
		if _, err := ValidateMACAddress(copts.macAddress); err != nil {
			return nil, nil, nil, fmt.Errorf("%s is not a valid mac address", copts.macAddress)
		}
	}
	if copts.stdin {
		attachStdin = true
	}
	// If -a is not set, attach to stdout and stderr
	if copts.attach.Len() == 0 {
		attachStdout = true
		attachStderr = true
	}

	var err error

	var memory int64
	if copts.memoryString != "" {
		memory, err = units.RAMInBytes(copts.memoryString)
		if err != nil {
			return nil, nil, nil, err
		}
	}

	var memoryReservation int64
	if copts.memoryReservation != "" {
		memoryReservation, err = units.RAMInBytes(copts.memoryReservation)
		if err != nil {
			return nil, nil, nil, err
		}
	}

	var memorySwap int64
	if copts.memorySwap != "" {
		if copts.memorySwap == "-1" {
			memorySwap = -1
		} else {
			memorySwap, err = units.RAMInBytes(copts.memorySwap)
			if err != nil {
				return nil, nil, nil, err
			}
		}
	}

	var kernelMemory int64
	if copts.kernelMemory != "" {
		kernelMemory, err = units.RAMInBytes(copts.kernelMemory)
		if err != nil {
			return nil, nil, nil, err
		}
	}

	swappiness := copts.swappiness
	if swappiness != -1 && (swappiness < 0 || swappiness > 100) {
		return nil, nil, nil, fmt.Errorf("invalid value: %d. Valid memory swappiness range is 0-100", swappiness)
	}

	var shmSize int64
	if copts.shmSize != "" {
		shmSize, err = units.RAMInBytes(copts.shmSize)
		if err != nil {
			return nil, nil, nil, err
		}
	}

	// TODO FIXME units.RAMInBytes should have a uint64 version
	var maxIOBandwidth int64
	if copts.ioMaxBandwidth != "" {
		maxIOBandwidth, err = units.RAMInBytes(copts.ioMaxBandwidth)
		if err != nil {
			return nil, nil, nil, err
		}
		if maxIOBandwidth < 0 {
			return nil, nil, nil, fmt.Errorf("invalid value: %s. Maximum IO Bandwidth must be positive", copts.ioMaxBandwidth)
		}
	}

	var binds []string
	// add any bind targets to the list of container volumes
	for bind := range copts.volumes.GetMap() {
		if arr := volumeSplitN(bind, 2); len(arr) > 1 {
			// after creating the bind mount we want to delete it from the copts.volumes values because
			// we do not want bind mounts being committed to image configs
			binds = append(binds, bind)
			copts.volumes.Delete(bind)
		}
	}

	// Can't evaluate options passed into --tmpfs until we actually mount
	tmpfs := make(map[string]string)
	for _, t := range copts.tmpfs.GetAll() {
		if arr := strings.SplitN(t, ":", 2); len(arr) > 1 {
			if _, _, err := mount.ParseTmpfsOptions(arr[1]); err != nil {
				return nil, nil, nil, err
			}
			tmpfs[arr[0]] = arr[1]
		} else {
			tmpfs[arr[0]] = ""
		}
	}

	var (
		runCmd     strslice.StrSlice
		entrypoint strslice.StrSlice
	)

	if len(copts.Args) > 0 {
		runCmd = strslice.StrSlice(copts.Args)
	}

	if copts.entrypoint != "" {
		entrypoint = strslice.StrSlice{copts.entrypoint}
	} else if flags.Changed("entrypoint") {
		// if `--entrypoint=` is parsed then Entrypoint is reset
		entrypoint = []string{""}
	}

	ports, portBindings, err := nat.ParsePortSpecs(copts.publish.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	// Merge in exposed ports to the map of published ports
	for _, e := range copts.expose.GetAll() {
		if strings.Contains(e, ":") {
			return nil, nil, nil, fmt.Errorf("invalid port format for --expose: %s", e)
		}
		//support two formats for expose, original format <portnum>/[<proto>] or <startport-endport>/[<proto>]
		proto, port := nat.SplitProtoPort(e)
		//parse the start and end port and create a sequence of ports to expose
		//if expose a port, the start and end port are the same
		start, end, err := nat.ParsePortRange(port)
		if err != nil {
			return nil, nil, nil, fmt.Errorf("invalid range format for --expose: %s, error: %s", e, err)
		}
		for i := start; i <= end; i++ {
			p, err := nat.NewPort(proto, strconv.FormatUint(i, 10))
			if err != nil {
				return nil, nil, nil, err
			}
			if _, exists := ports[p]; !exists {
				ports[p] = struct{}{}
			}
		}
	}

	// parse device mappings
	deviceMappings := []container.DeviceMapping{}
	for _, device := range copts.devices.GetAll() {
		deviceMapping, err := ParseDevice(device)
		if err != nil {
			return nil, nil, nil, err
		}
		deviceMappings = append(deviceMappings, deviceMapping)
	}

	// collect all the environment variables for the container
	envVariables, err := readKVStrings(copts.envFile.GetAll(), copts.env.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	// collect all the labels for the container
	labels, err := readKVStrings(copts.labelsFile.GetAll(), copts.labels.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	ipcMode := container.IpcMode(copts.ipcMode)
	if !ipcMode.Valid() {
		return nil, nil, nil, fmt.Errorf("--ipc: invalid IPC mode")
	}

	pidMode := container.PidMode(copts.pidMode)
	if !pidMode.Valid() {
		return nil, nil, nil, fmt.Errorf("--pid: invalid PID mode")
	}

	utsMode := container.UTSMode(copts.utsMode)
	if !utsMode.Valid() {
		return nil, nil, nil, fmt.Errorf("--uts: invalid UTS mode")
	}

	usernsMode := container.UsernsMode(copts.usernsMode)
	if !usernsMode.Valid() {
		return nil, nil, nil, fmt.Errorf("--userns: invalid USER mode")
	}

	restartPolicy, err := ParseRestartPolicy(copts.restartPolicy)
	if err != nil {
		return nil, nil, nil, err
	}

	loggingOpts, err := parseLoggingOpts(copts.loggingDriver, copts.loggingOpts.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	securityOpts, err := parseSecurityOpts(copts.securityOpt.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	storageOpts, err := parseStorageOpts(copts.storageOpt.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	// Healthcheck
	var healthConfig *container.HealthConfig
	haveHealthSettings := copts.healthCmd != "" ||
		copts.healthInterval != 0 ||
		copts.healthTimeout != 0 ||
		copts.healthRetries != 0
	if copts.noHealthcheck {
		if haveHealthSettings {
			return nil, nil, nil, fmt.Errorf("--no-healthcheck conflicts with --health-* options")
		}
		test := strslice.StrSlice{"NONE"}
		healthConfig = &container.HealthConfig{Test: test}
	} else if haveHealthSettings {
		var probe strslice.StrSlice
		if copts.healthCmd != "" {
			args := []string{"CMD-SHELL", copts.healthCmd}
			probe = strslice.StrSlice(args)
		}
		if copts.healthInterval < 0 {
			return nil, nil, nil, fmt.Errorf("--health-interval cannot be negative")
		}
		if copts.healthTimeout < 0 {
			return nil, nil, nil, fmt.Errorf("--health-timeout cannot be negative")
		}

		healthConfig = &container.HealthConfig{
			Test:     probe,
			Interval: copts.healthInterval,
			Timeout:  copts.healthTimeout,
			Retries:  copts.healthRetries,
		}
	}

	resources := container.Resources{
		CgroupParent:         copts.cgroupParent,
		Memory:               memory,
		MemoryReservation:    memoryReservation,
		MemorySwap:           memorySwap,
		MemorySwappiness:     &copts.swappiness,
		KernelMemory:         kernelMemory,
		OomKillDisable:       &copts.oomKillDisable,
		CPUPercent:           copts.cpuPercent,
		CPUShares:            copts.cpuShares,
		CPUPeriod:            copts.cpuPeriod,
		CpusetCpus:           copts.cpusetCpus,
		CpusetMems:           copts.cpusetMems,
		CPUQuota:             copts.cpuQuota,
		PidsLimit:            copts.pidsLimit,
		BlkioWeight:          copts.blkioWeight,
		BlkioWeightDevice:    copts.blkioWeightDevice.GetList(),
		BlkioDeviceReadBps:   copts.deviceReadBps.GetList(),
		BlkioDeviceWriteBps:  copts.deviceWriteBps.GetList(),
		BlkioDeviceReadIOps:  copts.deviceReadIOps.GetList(),
		BlkioDeviceWriteIOps: copts.deviceWriteIOps.GetList(),
		IOMaximumIOps:        copts.ioMaxIOps,
		IOMaximumBandwidth:   uint64(maxIOBandwidth),
		Ulimits:              copts.ulimits.GetList(),
		Devices:              deviceMappings,
	}

	config := &container.Config{
		Hostname:     copts.hostname,
		ExposedPorts: ports,
		User:         copts.user,
		Tty:          copts.tty,
		// TODO: deprecated, it comes from -n, --networking
		// it's still needed internally to set the network to disabled
		// if e.g. bridge is none in daemon opts, and in inspect
		NetworkDisabled: false,
		OpenStdin:       copts.stdin,
		AttachStdin:     attachStdin,
		AttachStdout:    attachStdout,
		AttachStderr:    attachStderr,
		Env:             envVariables,
		Cmd:             runCmd,
		Image:           copts.Image,
		Volumes:         copts.volumes.GetMap(),
		MacAddress:      copts.macAddress,
		Entrypoint:      entrypoint,
		WorkingDir:      copts.workingDir,
		Labels:          ConvertKVStringsToMap(labels),
		Healthcheck:     healthConfig,
	}
	if flags.Changed("stop-signal") {
		config.StopSignal = copts.stopSignal
	}

	hostConfig := &container.HostConfig{
		Binds:           binds,
		ContainerIDFile: copts.containerIDFile,
		OomScoreAdj:     copts.oomScoreAdj,
		AutoRemove:      copts.autoRemove,
		Privileged:      copts.privileged,
		PortBindings:    portBindings,
		Links:           copts.links.GetAll(),
		PublishAllPorts: copts.publishAll,
		// Make sure the dns fields are never nil.
		// New containers don't ever have those fields nil,
		// but pre created containers can still have those nil values.
		// See https://github.com/docker/docker/pull/17779
		// for a more detailed explanation on why we don't want that.
		DNS:            copts.dns.GetAllOrEmpty(),
		DNSSearch:      copts.dnsSearch.GetAllOrEmpty(),
		DNSOptions:     copts.dnsOptions.GetAllOrEmpty(),
		ExtraHosts:     copts.extraHosts.GetAll(),
		VolumesFrom:    copts.volumesFrom.GetAll(),
		NetworkMode:    container.NetworkMode(copts.netMode),
		IpcMode:        ipcMode,
		PidMode:        pidMode,
		UTSMode:        utsMode,
		UsernsMode:     usernsMode,
		CapAdd:         strslice.StrSlice(copts.capAdd.GetAll()),
		CapDrop:        strslice.StrSlice(copts.capDrop.GetAll()),
		GroupAdd:       copts.groupAdd.GetAll(),
		RestartPolicy:  restartPolicy,
		SecurityOpt:    securityOpts,
		StorageOpt:     storageOpts,
		ReadonlyRootfs: copts.readonlyRootfs,
		LogConfig:      container.LogConfig{Type: copts.loggingDriver, Config: loggingOpts},
		VolumeDriver:   copts.volumeDriver,
		Isolation:      container.Isolation(copts.isolation),
		ShmSize:        shmSize,
		Resources:      resources,
		Tmpfs:          tmpfs,
		Sysctls:        copts.sysctls.GetAll(),
		Runtime:        copts.runtime,
	}

	// only set this value if the user provided the flag, else it should default to nil
	if flags.Changed("init") {
		hostConfig.Init = &copts.init
	}

	// When allocating stdin in attached mode, close stdin at client disconnect
	if config.OpenStdin && config.AttachStdin {
		config.StdinOnce = true
	}

	networkingConfig := &networktypes.NetworkingConfig{
		EndpointsConfig: make(map[string]*networktypes.EndpointSettings),
	}

	if copts.ipv4Address != "" || copts.ipv6Address != "" || copts.linkLocalIPs.Len() > 0 {
		epConfig := &networktypes.EndpointSettings{}
		networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig

		epConfig.IPAMConfig = &networktypes.EndpointIPAMConfig{
			IPv4Address: copts.ipv4Address,
			IPv6Address: copts.ipv6Address,
		}

		if copts.linkLocalIPs.Len() > 0 {
			epConfig.IPAMConfig.LinkLocalIPs = make([]string, copts.linkLocalIPs.Len())
			copy(epConfig.IPAMConfig.LinkLocalIPs, copts.linkLocalIPs.GetAll())
		}
	}

	if hostConfig.NetworkMode.IsUserDefined() && len(hostConfig.Links) > 0 {
		epConfig := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)]
		if epConfig == nil {
			epConfig = &networktypes.EndpointSettings{}
		}
		epConfig.Links = make([]string, len(hostConfig.Links))
		copy(epConfig.Links, hostConfig.Links)
		networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig
	}

	if copts.aliases.Len() > 0 {
		epConfig := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)]
		if epConfig == nil {
			epConfig = &networktypes.EndpointSettings{}
		}
		epConfig.Aliases = make([]string, copts.aliases.Len())
		copy(epConfig.Aliases, copts.aliases.GetAll())
		networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig
	}

	return config, hostConfig, networkingConfig, nil
}
func (checker portsFormatChecker) IsFormat(input string) bool {
	_, _, err := nat.ParsePortSpecs([]string{input})
	return err == nil
}
Example #15
0
// Set a new port value
func (p *PortOpt) Set(value string) error {
	longSyntax, err := regexp.MatchString(`\w+=\w+(,\w+=\w+)*`, value)
	if err != nil {
		return err
	}
	if longSyntax {
		csvReader := csv.NewReader(strings.NewReader(value))
		fields, err := csvReader.Read()
		if err != nil {
			return err
		}

		pConfig := swarm.PortConfig{}
		for _, field := range fields {
			parts := strings.SplitN(field, "=", 2)
			if len(parts) != 2 {
				return fmt.Errorf("invalid field %s", field)
			}

			key := strings.ToLower(parts[0])
			value := strings.ToLower(parts[1])

			switch key {
			case portOptProtocol:
				if value != string(swarm.PortConfigProtocolTCP) && value != string(swarm.PortConfigProtocolUDP) {
					return fmt.Errorf("invalid protocol value %s", value)
				}

				pConfig.Protocol = swarm.PortConfigProtocol(value)
			case portOptMode:
				if value != string(swarm.PortConfigPublishModeIngress) && value != string(swarm.PortConfigPublishModeHost) {
					return fmt.Errorf("invalid publish mode value %s", value)
				}

				pConfig.PublishMode = swarm.PortConfigPublishMode(value)
			case portOptTargetPort:
				tPort, err := strconv.ParseUint(value, 10, 16)
				if err != nil {
					return err
				}

				pConfig.TargetPort = uint32(tPort)
			case portOptPublishedPort:
				pPort, err := strconv.ParseUint(value, 10, 16)
				if err != nil {
					return err
				}

				pConfig.PublishedPort = uint32(pPort)
			default:
				return fmt.Errorf("invalid field key %s", key)
			}
		}

		if pConfig.TargetPort == 0 {
			return fmt.Errorf("missing mandatory field %q", portOptTargetPort)
		}

		if pConfig.PublishMode == "" {
			pConfig.PublishMode = swarm.PortConfigPublishModeIngress
		}

		if pConfig.Protocol == "" {
			pConfig.Protocol = swarm.PortConfigProtocolTCP
		}

		p.ports = append(p.ports, pConfig)
	} else {
		// short syntax
		portConfigs := []swarm.PortConfig{}
		// We can ignore errors because the format was already validated by ValidatePort
		ports, portBindings, _ := nat.ParsePortSpecs([]string{value})

		for port := range ports {
			portConfigs = append(portConfigs, ConvertPortToPortConfig(port, portBindings)...)
		}
		p.ports = append(p.ports, portConfigs...)
	}
	return nil
}
Example #16
0
func TestMerge(t *testing.T) {
	volumesImage := make(map[string]struct{})
	volumesImage["/test1"] = struct{}{}
	volumesImage["/test2"] = struct{}{}
	portsImage := make(nat.PortSet)
	portsImage[newPortNoError("tcp", "1111")] = struct{}{}
	portsImage[newPortNoError("tcp", "2222")] = struct{}{}
	configImage := &containertypes.Config{
		ExposedPorts: portsImage,
		Env:          []string{"VAR1=1", "VAR2=2"},
		Volumes:      volumesImage,
	}

	portsUser := make(nat.PortSet)
	portsUser[newPortNoError("tcp", "2222")] = struct{}{}
	portsUser[newPortNoError("tcp", "3333")] = struct{}{}
	volumesUser := make(map[string]struct{})
	volumesUser["/test3"] = struct{}{}
	configUser := &containertypes.Config{
		ExposedPorts: portsUser,
		Env:          []string{"VAR2=3", "VAR3=3"},
		Volumes:      volumesUser,
	}

	if err := merge(configUser, configImage); err != nil {
		t.Error(err)
	}

	if len(configUser.ExposedPorts) != 3 {
		t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
	}
	for portSpecs := range configUser.ExposedPorts {
		if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
			t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs)
		}
	}
	if len(configUser.Env) != 3 {
		t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env))
	}
	for _, env := range configUser.Env {
		if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" {
			t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env)
		}
	}

	if len(configUser.Volumes) != 3 {
		t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes))
	}
	for v := range configUser.Volumes {
		if v != "/test1" && v != "/test2" && v != "/test3" {
			t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v)
		}
	}

	ports, _, err := nat.ParsePortSpecs([]string{"0000"})
	if err != nil {
		t.Error(err)
	}
	configImage2 := &containertypes.Config{
		ExposedPorts: ports,
	}

	if err := merge(configUser, configImage2); err != nil {
		t.Error(err)
	}

	if len(configUser.ExposedPorts) != 4 {
		t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
	}
	for portSpecs := range configUser.ExposedPorts {
		if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
			t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs)
		}
	}
}
Example #17
0
// Parse parses the specified args for the specified command and generates a Config,
// a HostConfig and returns them with the specified command.
// If the specified args are not valid, it will return an error.
func Parse(cmd *flag.FlagSet, args []string) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig, *flag.FlagSet, error) {
	var (
		// FIXME: use utils.ListOpts for attach and volumes?
		flAttach            = opts.NewListOpts(ValidateAttach)
		flVolumes           = opts.NewListOpts(nil)
		flTmpfs             = opts.NewListOpts(nil)
		flBlkioWeightDevice = NewWeightdeviceOpt(ValidateWeightDevice)
		flDeviceReadBps     = NewThrottledeviceOpt(ValidateThrottleBpsDevice)
		flDeviceWriteBps    = NewThrottledeviceOpt(ValidateThrottleBpsDevice)
		flLinks             = opts.NewListOpts(ValidateLink)
		flAliases           = opts.NewListOpts(nil)
		flDeviceReadIOps    = NewThrottledeviceOpt(ValidateThrottleIOpsDevice)
		flDeviceWriteIOps   = NewThrottledeviceOpt(ValidateThrottleIOpsDevice)
		flEnv               = opts.NewListOpts(ValidateEnv)
		flLabels            = opts.NewListOpts(ValidateEnv)
		flDevices           = opts.NewListOpts(ValidateDevice)

		flUlimits = NewUlimitOpt(nil)

		flPublish           = opts.NewListOpts(nil)
		flExpose            = opts.NewListOpts(nil)
		flDNS               = opts.NewListOpts(opts.ValidateIPAddress)
		flDNSSearch         = opts.NewListOpts(opts.ValidateDNSSearch)
		flDNSOptions        = opts.NewListOpts(nil)
		flExtraHosts        = opts.NewListOpts(ValidateExtraHost)
		flVolumesFrom       = opts.NewListOpts(nil)
		flEnvFile           = opts.NewListOpts(nil)
		flCapAdd            = opts.NewListOpts(nil)
		flCapDrop           = opts.NewListOpts(nil)
		flGroupAdd          = opts.NewListOpts(nil)
		flSecurityOpt       = opts.NewListOpts(nil)
		flLabelsFile        = opts.NewListOpts(nil)
		flLoggingOpts       = opts.NewListOpts(nil)
		flPrivileged        = cmd.Bool([]string{"-privileged"}, false, "Give extended privileges to this container")
		flPidMode           = cmd.String([]string{"-pid"}, "", "PID namespace to use")
		flUTSMode           = cmd.String([]string{"-uts"}, "", "UTS namespace to use")
		flUsernsMode        = cmd.String([]string{"-userns"}, "", "User namespace to use")
		flPublishAll        = cmd.Bool([]string{"P", "-publish-all"}, false, "Publish all exposed ports to random ports")
		flStdin             = cmd.Bool([]string{"i", "-interactive"}, false, "Keep STDIN open even if not attached")
		flTty               = cmd.Bool([]string{"t", "-tty"}, false, "Allocate a pseudo-TTY")
		flOomKillDisable    = cmd.Bool([]string{"-oom-kill-disable"}, false, "Disable OOM Killer")
		flOomScoreAdj       = cmd.Int([]string{"-oom-score-adj"}, 0, "Tune host's OOM preferences (-1000 to 1000)")
		flContainerIDFile   = cmd.String([]string{"-cidfile"}, "", "Write the container ID to the file")
		flEntrypoint        = cmd.String([]string{"-entrypoint"}, "", "Overwrite the default ENTRYPOINT of the image")
		flHostname          = cmd.String([]string{"h", "-hostname"}, "", "Container host name")
		flMemoryString      = cmd.String([]string{"m", "-memory"}, "", "Memory limit")
		flMemoryReservation = cmd.String([]string{"-memory-reservation"}, "", "Memory soft limit")
		flMemorySwap        = cmd.String([]string{"-memory-swap"}, "", "Swap limit equal to memory plus swap: '-1' to enable unlimited swap")
		flKernelMemory      = cmd.String([]string{"-kernel-memory"}, "", "Kernel memory limit")
		flUser              = cmd.String([]string{"u", "-user"}, "", "Username or UID (format: <name|uid>[:<group|gid>])")
		flWorkingDir        = cmd.String([]string{"w", "-workdir"}, "", "Working directory inside the container")
		flCPUShares         = cmd.Int64([]string{"#c", "-cpu-shares"}, 0, "CPU shares (relative weight)")
		flCPUPeriod         = cmd.Int64([]string{"-cpu-period"}, 0, "Limit CPU CFS (Completely Fair Scheduler) period")
		flCPUQuota          = cmd.Int64([]string{"-cpu-quota"}, 0, "Limit CPU CFS (Completely Fair Scheduler) quota")
		flCpusetCpus        = cmd.String([]string{"-cpuset-cpus"}, "", "CPUs in which to allow execution (0-3, 0,1)")
		flCpusetMems        = cmd.String([]string{"-cpuset-mems"}, "", "MEMs in which to allow execution (0-3, 0,1)")
		flBlkioWeight       = cmd.Uint16([]string{"-blkio-weight"}, 0, "Block IO (relative weight), between 10 and 1000")
		flSwappiness        = cmd.Int64([]string{"-memory-swappiness"}, -1, "Tune container memory swappiness (0 to 100)")
		flNetMode           = cmd.String([]string{"-net"}, "default", "Connect a container to a network")
		flMacAddress        = cmd.String([]string{"-mac-address"}, "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)")
		flIPv4Address       = cmd.String([]string{"-ip"}, "", "Container IPv4 address (e.g. 172.30.100.104)")
		flIPv6Address       = cmd.String([]string{"-ip6"}, "", "Container IPv6 address (e.g. 2001:db8::33)")
		flIpcMode           = cmd.String([]string{"-ipc"}, "", "IPC namespace to use")
		flPidsLimit         = cmd.Int64([]string{"-pids-limit"}, 0, "Tune container pids limit (set -1 for unlimited)")
		flRestartPolicy     = cmd.String([]string{"-restart"}, "no", "Restart policy to apply when a container exits")
		flReadonlyRootfs    = cmd.Bool([]string{"-read-only"}, false, "Mount the container's root filesystem as read only")
		flLoggingDriver     = cmd.String([]string{"-log-driver"}, "", "Logging driver for container")
		flCgroupParent      = cmd.String([]string{"-cgroup-parent"}, "", "Optional parent cgroup for the container")
		flVolumeDriver      = cmd.String([]string{"-volume-driver"}, "", "Optional volume driver for the container")
		flStopSignal        = cmd.String([]string{"-stop-signal"}, signal.DefaultStopSignal, fmt.Sprintf("Signal to stop a container, %v by default", signal.DefaultStopSignal))
		flIsolation         = cmd.String([]string{"-isolation"}, "", "Container isolation technology")
		flShmSize           = cmd.String([]string{"-shm-size"}, "", "Size of /dev/shm, default value is 64MB")
	)

	cmd.Var(&flAttach, []string{"a", "-attach"}, "Attach to STDIN, STDOUT or STDERR")
	cmd.Var(&flBlkioWeightDevice, []string{"-blkio-weight-device"}, "Block IO weight (relative device weight)")
	cmd.Var(&flDeviceReadBps, []string{"-device-read-bps"}, "Limit read rate (bytes per second) from a device")
	cmd.Var(&flDeviceWriteBps, []string{"-device-write-bps"}, "Limit write rate (bytes per second) to a device")
	cmd.Var(&flDeviceReadIOps, []string{"-device-read-iops"}, "Limit read rate (IO per second) from a device")
	cmd.Var(&flDeviceWriteIOps, []string{"-device-write-iops"}, "Limit write rate (IO per second) to a device")
	cmd.Var(&flVolumes, []string{"v", "-volume"}, "Bind mount a volume")
	cmd.Var(&flTmpfs, []string{"-tmpfs"}, "Mount a tmpfs directory")
	cmd.Var(&flLinks, []string{"-link"}, "Add link to another container")
	cmd.Var(&flAliases, []string{"-net-alias"}, "Add network-scoped alias for the container")
	cmd.Var(&flDevices, []string{"-device"}, "Add a host device to the container")
	cmd.Var(&flLabels, []string{"l", "-label"}, "Set meta data on a container")
	cmd.Var(&flLabelsFile, []string{"-label-file"}, "Read in a line delimited file of labels")
	cmd.Var(&flEnv, []string{"e", "-env"}, "Set environment variables")
	cmd.Var(&flEnvFile, []string{"-env-file"}, "Read in a file of environment variables")
	cmd.Var(&flPublish, []string{"p", "-publish"}, "Publish a container's port(s) to the host")
	cmd.Var(&flExpose, []string{"-expose"}, "Expose a port or a range of ports")
	cmd.Var(&flDNS, []string{"-dns"}, "Set custom DNS servers")
	cmd.Var(&flDNSSearch, []string{"-dns-search"}, "Set custom DNS search domains")
	cmd.Var(&flDNSOptions, []string{"-dns-opt"}, "Set DNS options")
	cmd.Var(&flExtraHosts, []string{"-add-host"}, "Add a custom host-to-IP mapping (host:ip)")
	cmd.Var(&flVolumesFrom, []string{"-volumes-from"}, "Mount volumes from the specified container(s)")
	cmd.Var(&flCapAdd, []string{"-cap-add"}, "Add Linux capabilities")
	cmd.Var(&flCapDrop, []string{"-cap-drop"}, "Drop Linux capabilities")
	cmd.Var(&flGroupAdd, []string{"-group-add"}, "Add additional groups to join")
	cmd.Var(&flSecurityOpt, []string{"-security-opt"}, "Security Options")
	cmd.Var(flUlimits, []string{"-ulimit"}, "Ulimit options")
	cmd.Var(&flLoggingOpts, []string{"-log-opt"}, "Log driver options")

	cmd.Require(flag.Min, 1)

	if err := cmd.ParseFlags(args, true); err != nil {
		return nil, nil, nil, cmd, err
	}

	var (
		attachStdin  = flAttach.Get("stdin")
		attachStdout = flAttach.Get("stdout")
		attachStderr = flAttach.Get("stderr")
	)

	// Validate the input mac address
	if *flMacAddress != "" {
		if _, err := ValidateMACAddress(*flMacAddress); err != nil {
			return nil, nil, nil, cmd, fmt.Errorf("%s is not a valid mac address", *flMacAddress)
		}
	}
	if *flStdin {
		attachStdin = true
	}
	// If -a is not set attach to the output stdio
	if flAttach.Len() == 0 {
		attachStdout = true
		attachStderr = true
	}

	var err error

	var flMemory int64
	if *flMemoryString != "" {
		flMemory, err = units.RAMInBytes(*flMemoryString)
		if err != nil {
			return nil, nil, nil, cmd, err
		}
	}

	var MemoryReservation int64
	if *flMemoryReservation != "" {
		MemoryReservation, err = units.RAMInBytes(*flMemoryReservation)
		if err != nil {
			return nil, nil, nil, cmd, err
		}
	}

	var memorySwap int64
	if *flMemorySwap != "" {
		if *flMemorySwap == "-1" {
			memorySwap = -1
		} else {
			memorySwap, err = units.RAMInBytes(*flMemorySwap)
			if err != nil {
				return nil, nil, nil, cmd, err
			}
		}
	}

	var KernelMemory int64
	if *flKernelMemory != "" {
		KernelMemory, err = units.RAMInBytes(*flKernelMemory)
		if err != nil {
			return nil, nil, nil, cmd, err
		}
	}

	swappiness := *flSwappiness
	if swappiness != -1 && (swappiness < 0 || swappiness > 100) {
		return nil, nil, nil, cmd, fmt.Errorf("invalid value: %d. Valid memory swappiness range is 0-100", swappiness)
	}

	var shmSize int64
	if *flShmSize != "" {
		shmSize, err = units.RAMInBytes(*flShmSize)
		if err != nil {
			return nil, nil, nil, cmd, err
		}
	}

	var binds []string
	// add any bind targets to the list of container volumes
	for bind := range flVolumes.GetMap() {
		if arr := volumeSplitN(bind, 2); len(arr) > 1 {
			// after creating the bind mount we want to delete it from the flVolumes values because
			// we do not want bind mounts being committed to image configs
			binds = append(binds, bind)
			flVolumes.Delete(bind)
		}
	}

	// Can't evaluate options passed into --tmpfs until we actually mount
	tmpfs := make(map[string]string)
	for _, t := range flTmpfs.GetAll() {
		if arr := strings.SplitN(t, ":", 2); len(arr) > 1 {
			if _, _, err := mount.ParseTmpfsOptions(arr[1]); err != nil {
				return nil, nil, nil, cmd, err
			}
			tmpfs[arr[0]] = arr[1]
		} else {
			tmpfs[arr[0]] = ""
		}
	}

	var (
		parsedArgs = cmd.Args()
		runCmd     strslice.StrSlice
		entrypoint strslice.StrSlice
		image      = cmd.Arg(0)
	)
	if len(parsedArgs) > 1 {
		runCmd = strslice.StrSlice(parsedArgs[1:])
	}
	if *flEntrypoint != "" {
		entrypoint = strslice.StrSlice{*flEntrypoint}
	}
	// Validate if the given hostname is RFC 1123 (https://tools.ietf.org/html/rfc1123) compliant.
	hostname := *flHostname
	if hostname != "" {
		matched, _ := regexp.MatchString("^(([[:alnum:]]|[[:alnum:]][[:alnum:]\\-]*[[:alnum:]])\\.)*([[:alnum:]]|[[:alnum:]][[:alnum:]\\-]*[[:alnum:]])$", hostname)
		if !matched {
			return nil, nil, nil, cmd, fmt.Errorf("invalid hostname format for --hostname: %s", hostname)
		}
	}

	ports, portBindings, err := nat.ParsePortSpecs(flPublish.GetAll())
	if err != nil {
		return nil, nil, nil, cmd, err
	}

	// Merge in exposed ports to the map of published ports
	for _, e := range flExpose.GetAll() {
		if strings.Contains(e, ":") {
			return nil, nil, nil, cmd, fmt.Errorf("invalid port format for --expose: %s", e)
		}
		//support two formats for expose, original format <portnum>/[<proto>] or <startport-endport>/[<proto>]
		proto, port := nat.SplitProtoPort(e)
		//parse the start and end port and create a sequence of ports to expose
		//if expose a port, the start and end port are the same
		start, end, err := nat.ParsePortRange(port)
		if err != nil {
			return nil, nil, nil, cmd, fmt.Errorf("invalid range format for --expose: %s, error: %s", e, err)
		}
		for i := start; i <= end; i++ {
			p, err := nat.NewPort(proto, strconv.FormatUint(i, 10))
			if err != nil {
				return nil, nil, nil, cmd, err
			}
			if _, exists := ports[p]; !exists {
				ports[p] = struct{}{}
			}
		}
	}

	// parse device mappings
	deviceMappings := []container.DeviceMapping{}
	for _, device := range flDevices.GetAll() {
		deviceMapping, err := ParseDevice(device)
		if err != nil {
			return nil, nil, nil, cmd, err
		}
		deviceMappings = append(deviceMappings, deviceMapping)
	}

	// collect all the environment variables for the container
	envVariables, err := readKVStrings(flEnvFile.GetAll(), flEnv.GetAll())
	if err != nil {
		return nil, nil, nil, cmd, err
	}

	// collect all the labels for the container
	labels, err := readKVStrings(flLabelsFile.GetAll(), flLabels.GetAll())
	if err != nil {
		return nil, nil, nil, cmd, err
	}

	ipcMode := container.IpcMode(*flIpcMode)
	if !ipcMode.Valid() {
		return nil, nil, nil, cmd, fmt.Errorf("--ipc: invalid IPC mode")
	}

	pidMode := container.PidMode(*flPidMode)
	if !pidMode.Valid() {
		return nil, nil, nil, cmd, fmt.Errorf("--pid: invalid PID mode")
	}

	utsMode := container.UTSMode(*flUTSMode)
	if !utsMode.Valid() {
		return nil, nil, nil, cmd, fmt.Errorf("--uts: invalid UTS mode")
	}

	usernsMode := container.UsernsMode(*flUsernsMode)
	if !usernsMode.Valid() {
		return nil, nil, nil, cmd, fmt.Errorf("--userns: invalid USER mode")
	}

	restartPolicy, err := ParseRestartPolicy(*flRestartPolicy)
	if err != nil {
		return nil, nil, nil, cmd, err
	}

	loggingOpts, err := parseLoggingOpts(*flLoggingDriver, flLoggingOpts.GetAll())
	if err != nil {
		return nil, nil, nil, cmd, err
	}

	securityOpts, err := parseSecurityOpts(flSecurityOpt.GetAll())
	if err != nil {
		return nil, nil, nil, cmd, err
	}

	resources := container.Resources{
		CgroupParent:         *flCgroupParent,
		Memory:               flMemory,
		MemoryReservation:    MemoryReservation,
		MemorySwap:           memorySwap,
		MemorySwappiness:     flSwappiness,
		KernelMemory:         KernelMemory,
		OomKillDisable:       flOomKillDisable,
		CPUShares:            *flCPUShares,
		CPUPeriod:            *flCPUPeriod,
		CpusetCpus:           *flCpusetCpus,
		CpusetMems:           *flCpusetMems,
		CPUQuota:             *flCPUQuota,
		PidsLimit:            *flPidsLimit,
		BlkioWeight:          *flBlkioWeight,
		BlkioWeightDevice:    flBlkioWeightDevice.GetList(),
		BlkioDeviceReadBps:   flDeviceReadBps.GetList(),
		BlkioDeviceWriteBps:  flDeviceWriteBps.GetList(),
		BlkioDeviceReadIOps:  flDeviceReadIOps.GetList(),
		BlkioDeviceWriteIOps: flDeviceWriteIOps.GetList(),
		Ulimits:              flUlimits.GetList(),
		Devices:              deviceMappings,
	}

	config := &container.Config{
		Hostname:     *flHostname,
		ExposedPorts: ports,
		User:         *flUser,
		Tty:          *flTty,
		// TODO: deprecated, it comes from -n, --networking
		// it's still needed internally to set the network to disabled
		// if e.g. bridge is none in daemon opts, and in inspect
		NetworkDisabled: false,
		OpenStdin:       *flStdin,
		AttachStdin:     attachStdin,
		AttachStdout:    attachStdout,
		AttachStderr:    attachStderr,
		Env:             envVariables,
		Cmd:             runCmd,
		Image:           image,
		Volumes:         flVolumes.GetMap(),
		MacAddress:      *flMacAddress,
		Entrypoint:      entrypoint,
		WorkingDir:      *flWorkingDir,
		Labels:          ConvertKVStringsToMap(labels),
	}
	if cmd.IsSet("-stop-signal") {
		config.StopSignal = *flStopSignal
	}

	hostConfig := &container.HostConfig{
		Binds:           binds,
		ContainerIDFile: *flContainerIDFile,
		OomScoreAdj:     *flOomScoreAdj,
		Privileged:      *flPrivileged,
		PortBindings:    portBindings,
		Links:           flLinks.GetAll(),
		PublishAllPorts: *flPublishAll,
		// Make sure the dns fields are never nil.
		// New containers don't ever have those fields nil,
		// but pre created containers can still have those nil values.
		// See https://github.com/docker/docker/pull/17779
		// for a more detailed explanation on why we don't want that.
		DNS:            flDNS.GetAllOrEmpty(),
		DNSSearch:      flDNSSearch.GetAllOrEmpty(),
		DNSOptions:     flDNSOptions.GetAllOrEmpty(),
		ExtraHosts:     flExtraHosts.GetAll(),
		VolumesFrom:    flVolumesFrom.GetAll(),
		NetworkMode:    container.NetworkMode(*flNetMode),
		IpcMode:        ipcMode,
		PidMode:        pidMode,
		UTSMode:        utsMode,
		UsernsMode:     usernsMode,
		CapAdd:         strslice.StrSlice(flCapAdd.GetAll()),
		CapDrop:        strslice.StrSlice(flCapDrop.GetAll()),
		GroupAdd:       flGroupAdd.GetAll(),
		RestartPolicy:  restartPolicy,
		SecurityOpt:    securityOpts,
		ReadonlyRootfs: *flReadonlyRootfs,
		LogConfig:      container.LogConfig{Type: *flLoggingDriver, Config: loggingOpts},
		VolumeDriver:   *flVolumeDriver,
		Isolation:      container.Isolation(*flIsolation),
		ShmSize:        shmSize,
		Resources:      resources,
		Tmpfs:          tmpfs,
	}

	// When allocating stdin in attached mode, close stdin at client disconnect
	if config.OpenStdin && config.AttachStdin {
		config.StdinOnce = true
	}

	networkingConfig := &networktypes.NetworkingConfig{
		EndpointsConfig: make(map[string]*networktypes.EndpointSettings),
	}

	if *flIPv4Address != "" || *flIPv6Address != "" {
		networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = &networktypes.EndpointSettings{
			IPAMConfig: &networktypes.EndpointIPAMConfig{
				IPv4Address: *flIPv4Address,
				IPv6Address: *flIPv6Address,
			},
		}
	}

	if hostConfig.NetworkMode.IsUserDefined() && len(hostConfig.Links) > 0 {
		epConfig := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)]
		if epConfig == nil {
			epConfig = &networktypes.EndpointSettings{}
		}
		epConfig.Links = make([]string, len(hostConfig.Links))
		copy(epConfig.Links, hostConfig.Links)
		networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig
	}

	if flAliases.Len() > 0 {
		epConfig := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)]
		if epConfig == nil {
			epConfig = &networktypes.EndpointSettings{}
		}
		epConfig.Aliases = make([]string, flAliases.Len())
		copy(epConfig.Aliases, flAliases.GetAll())
		networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig
	}

	return config, hostConfig, networkingConfig, cmd, nil
}