Пример #1
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) (*Config, *HostConfig, *flag.FlagSet, error) {
	var (
		// FIXME: use utils.ListOpts for attach and volumes?
		flAttach            = opts.NewListOpts(opts.ValidateAttach)
		flVolumes           = opts.NewListOpts(nil)
		flBlkioWeightDevice = opts.NewWeightdeviceOpt(opts.ValidateWeightDevice)
		flLinks             = opts.NewListOpts(opts.ValidateLink)
		flEnv               = opts.NewListOpts(opts.ValidateEnv)
		flLabels            = opts.NewListOpts(opts.ValidateEnv)
		flDevices           = opts.NewListOpts(opts.ValidateDevice)

		flUlimits = opts.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(opts.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")
		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")
		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"}, "", "Total memory (memory + swap), '-1' to disable 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, "Tuning container memory swappiness (0 to 100)")
		flNetMode           = cmd.String([]string{"-net"}, "default", "Set the Network for the container")
		flMacAddress        = cmd.String([]string{"-mac-address"}, "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)")
		flIpcMode           = cmd.String([]string{"-ipc"}, "", "IPC namespace to use")
		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 level")
		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(&flVolumes, []string{"v", "-volume"}, "Bind mount a volume")
	cmd.Var(&flLinks, []string{"-link"}, "Add link to another 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, cmd, err
	}

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

	// Validate the input mac address
	if *flMacAddress != "" {
		if _, err := opts.ValidateMACAddress(*flMacAddress); err != nil {
			return 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, cmd, err
		}
	}

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

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

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

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

	var binds []string
	// add any bind targets to the list of container volumes
	for bind := range flVolumes.GetMap() {
		if arr := volume.SplitN(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)
		}
	}

	var (
		parsedArgs = cmd.Args()
		runCmd     *stringutils.StrSlice
		entrypoint *stringutils.StrSlice
		image      = cmd.Arg(0)
	)
	if len(parsedArgs) > 1 {
		runCmd = stringutils.NewStrSlice(parsedArgs[1:]...)
	}
	if *flEntrypoint != "" {
		entrypoint = stringutils.NewStrSlice(*flEntrypoint)
	}

	var (
		domainname string
		hostname   = *flHostname
		parts      = strings.SplitN(hostname, ".", 2)
	)
	if len(parts) > 1 {
		hostname = parts[0]
		domainname = parts[1]
	}

	ports, portBindings, err := nat.ParsePortSpecs(flPublish.GetAll())
	if err != nil {
		return 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, 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 := parsers.ParsePortRange(port)
		if err != nil {
			return 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, cmd, err
			}
			if _, exists := ports[p]; !exists {
				ports[p] = struct{}{}
			}
		}
	}

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

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

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

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

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

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

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

	resources := Resources{
		CgroupParent:      *flCgroupParent,
		Memory:            flMemory,
		MemoryReservation: MemoryReservation,
		MemorySwap:        memorySwap,
		MemorySwappiness:  flSwappiness,
		KernelMemory:      KernelMemory,
		CPUShares:         *flCPUShares,
		CPUPeriod:         *flCPUPeriod,
		CpusetCpus:        *flCpusetCpus,
		CpusetMems:        *flCpusetMems,
		CPUQuota:          *flCPUQuota,
		BlkioWeight:       *flBlkioWeight,
		BlkioWeightDevice: flBlkioWeightDevice.GetList(),
		Ulimits:           flUlimits.GetList(),
		Devices:           deviceMappings,
	}

	config := &Config{
		Hostname:     hostname,
		Domainname:   domainname,
		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),
		StopSignal:      *flStopSignal,
	}

	hostConfig := &HostConfig{
		Binds:           binds,
		ContainerIDFile: *flContainerIDFile,
		OomKillDisable:  *flOomKillDisable,
		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:    NetworkMode(*flNetMode),
		IpcMode:        ipcMode,
		PidMode:        pidMode,
		UTSMode:        utsMode,
		CapAdd:         stringutils.NewStrSlice(flCapAdd.GetAll()...),
		CapDrop:        stringutils.NewStrSlice(flCapDrop.GetAll()...),
		GroupAdd:       flGroupAdd.GetAll(),
		RestartPolicy:  restartPolicy,
		SecurityOpt:    flSecurityOpt.GetAll(),
		ReadonlyRootfs: *flReadonlyRootfs,
		LogConfig:      LogConfig{Type: *flLoggingDriver, Config: loggingOpts},
		VolumeDriver:   *flVolumeDriver,
		Isolation:      IsolationLevel(*flIsolation),
		ShmSize:        parsedShm,
		Resources:      resources,
	}

	// When allocating stdin in attached mode, close stdin at client disconnect
	if config.OpenStdin && config.AttachStdin {
		config.StdinOnce = true
	}
	return config, hostConfig, cmd, nil
}
Пример #2
0
func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSet, error) {
	var (
		// FIXME: use utils.ListOpts for attach and volumes?
		flAttach  = opts.NewListOpts(opts.ValidateAttach)
		flVolumes = opts.NewListOpts(opts.ValidatePath)
		flLinks   = opts.NewListOpts(opts.ValidateLink)
		flEnv     = opts.NewListOpts(opts.ValidateEnv)
		flDevices = opts.NewListOpts(opts.ValidatePath)

		ulimits   = make(map[string]*ulimit.Ulimit)
		flUlimits = opts.NewUlimitOpt(ulimits)

		flPublish     = opts.NewListOpts(nil)
		flExpose      = opts.NewListOpts(nil)
		flDns         = opts.NewListOpts(opts.ValidateIPAddress)
		flDnsSearch   = opts.NewListOpts(opts.ValidateDnsSearch)
		flExtraHosts  = opts.NewListOpts(opts.ValidateExtraHost)
		flVolumesFrom = opts.NewListOpts(nil)
		flLxcOpts     = opts.NewListOpts(nil)
		flEnvFile     = opts.NewListOpts(nil)
		flCapAdd      = opts.NewListOpts(nil)
		flCapDrop     = opts.NewListOpts(nil)
		flSecurityOpt = opts.NewListOpts(nil)

		flNetwork         = cmd.Bool([]string{"#n", "#-networking"}, true, "Enable networking for this container")
		flPrivileged      = cmd.Bool([]string{"#privileged", "-privileged"}, false, "Give extended privileges to this container")
		flPidMode         = cmd.String([]string{"-pid"}, "", "PID 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")
		flContainerIDFile = cmd.String([]string{"#cidfile", "-cidfile"}, "", "Write the container ID to the file")
		flEntrypoint      = cmd.String([]string{"#entrypoint", "-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")
		flMemorySwap      = cmd.String([]string{"-memory-swap"}, "", "Total memory (memory + swap), '-1' to disable swap")
		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)")
		flCpuset          = cmd.String([]string{"-cpuset"}, "", "CPUs in which to allow execution (0-3, 0,1)")
		flNetMode         = cmd.String([]string{"-net"}, "bridge", "Set the Network mode for the container")
		flMacAddress      = cmd.String([]string{"-mac-address"}, "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)")
		flIpcMode         = cmd.String([]string{"-ipc"}, "", "IPC namespace to use")
		flRestartPolicy   = cmd.String([]string{"-restart"}, "", "Restart policy to apply when a container exits")
		flReadonlyRootfs  = cmd.Bool([]string{"-read-only"}, false, "Mount the container's root filesystem as read only")
	)

	cmd.Var(&flAttach, []string{"a", "-attach"}, "Attach to STDIN, STDOUT or STDERR")
	cmd.Var(&flVolumes, []string{"v", "-volume"}, "Bind mount a volume")
	cmd.Var(&flLinks, []string{"#link", "-link"}, "Add link to another container")
	cmd.Var(&flDevices, []string{"-device"}, "Add a host device to the container")
	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"}, "Expose a port or a range of ports")
	cmd.Var(&flDns, []string{"#dns", "-dns"}, "Set custom DNS servers")
	cmd.Var(&flDnsSearch, []string{"-dns-search"}, "Set custom DNS search domains")
	cmd.Var(&flExtraHosts, []string{"-add-host"}, "Add a custom host-to-IP mapping (host:ip)")
	cmd.Var(&flVolumesFrom, []string{"#volumes-from", "-volumes-from"}, "Mount volumes from the specified container(s)")
	cmd.Var(&flLxcOpts, []string{"#lxc-conf", "-lxc-conf"}, "Add custom lxc options")
	cmd.Var(&flCapAdd, []string{"-cap-add"}, "Add Linux capabilities")
	cmd.Var(&flCapDrop, []string{"-cap-drop"}, "Drop Linux capabilities")
	cmd.Var(&flSecurityOpt, []string{"-security-opt"}, "Security Options")
	cmd.Var(flUlimits, []string{"-ulimit"}, "Ulimit options")

	cmd.Require(flag.Min, 1)

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

	// Validate input params
	if *flWorkingDir != "" && !path.IsAbs(*flWorkingDir) {
		return nil, nil, cmd, ErrInvalidWorkingDirectory
	}

	// Validate the input mac address
	if *flMacAddress != "" {
		if _, err := opts.ValidateMACAddress(*flMacAddress); err != nil {
			return nil, nil, cmd, fmt.Errorf("%s is not a valid mac address", *flMacAddress)
		}
	}
	var (
		attachStdin  = flAttach.Get("stdin")
		attachStdout = flAttach.Get("stdout")
		attachStderr = flAttach.Get("stderr")
	)

	if *flNetMode != "bridge" && *flNetMode != "none" && *flHostname != "" {
		return nil, nil, cmd, ErrConflictNetworkHostname
	}

	if *flNetMode == "host" && flLinks.Len() > 0 {
		return nil, nil, cmd, ErrConflictHostNetworkAndLinks
	}

	if *flNetMode == "container" && flLinks.Len() > 0 {
		return nil, nil, cmd, ErrConflictContainerNetworkAndLinks
	}

	if *flNetMode == "host" && flDns.Len() > 0 {
		return nil, nil, cmd, ErrConflictHostNetworkAndDns
	}

	if *flNetMode == "container" && flDns.Len() > 0 {
		return nil, nil, cmd, ErrConflictContainerNetworkAndDns
	}

	// If neither -d or -a are set, attach to everything by default
	if flAttach.Len() == 0 {
		attachStdout = true
		attachStderr = true
		if *flStdin {
			attachStdin = true
		}
	}

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

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

	var binds []string
	// add any bind targets to the list of container volumes
	for bind := range flVolumes.GetMap() {
		if arr := strings.Split(bind, ":"); len(arr) > 1 {
			if arr[1] == "/" {
				return nil, nil, cmd, fmt.Errorf("Invalid bind mount: destination can't be '/'")
			}
			// 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)
		} else if bind == "/" {
			return nil, nil, cmd, fmt.Errorf("Invalid volume: path can't be '/'")
		}
	}

	var (
		parsedArgs = cmd.Args()
		runCmd     []string
		entrypoint []string
		image      = cmd.Arg(0)
	)
	if len(parsedArgs) > 1 {
		runCmd = parsedArgs[1:]
	}
	if *flEntrypoint != "" {
		entrypoint = []string{*flEntrypoint}
	}

	lxcConf, err := parseKeyValueOpts(flLxcOpts)
	if err != nil {
		return nil, nil, cmd, err
	}

	var (
		domainname string
		hostname   = *flHostname
		parts      = strings.SplitN(hostname, ".", 2)
	)
	if len(parts) > 1 {
		hostname = parts[0]
		domainname = parts[1]
	}

	ports, portBindings, err := nat.ParsePortSpecs(flPublish.GetAll())
	if err != nil {
		return 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, 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 := parsers.ParsePortRange(port)
		if err != nil {
			return nil, nil, cmd, fmt.Errorf("Invalid range format for --expose: %s, error: %s", e, err)
		}
		for i := start; i <= end; i++ {
			p := nat.NewPort(proto, strconv.FormatUint(i, 10))
			if _, exists := ports[p]; !exists {
				ports[p] = struct{}{}
			}
		}
	}

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

	// collect all the environment variables for the container
	envVariables := []string{}
	for _, ef := range flEnvFile.GetAll() {
		parsedVars, err := opts.ParseEnvFile(ef)
		if err != nil {
			return nil, nil, cmd, err
		}
		envVariables = append(envVariables, parsedVars...)
	}
	// parse the '-e' and '--env' after, to allow override
	envVariables = append(envVariables, flEnv.GetAll()...)

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

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

	netMode, err := parseNetMode(*flNetMode)
	if err != nil {
		return nil, nil, cmd, fmt.Errorf("--net: invalid net mode: %v", err)
	}

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

	config := &Config{
		Hostname:        hostname,
		Domainname:      domainname,
		PortSpecs:       nil, // Deprecated
		ExposedPorts:    ports,
		User:            *flUser,
		Tty:             *flTty,
		NetworkDisabled: !*flNetwork,
		OpenStdin:       *flStdin,
		Memory:          flMemory,
		MemorySwap:      MemorySwap,
		CpuShares:       *flCpuShares,
		Cpuset:          *flCpuset,
		AttachStdin:     attachStdin,
		AttachStdout:    attachStdout,
		AttachStderr:    attachStderr,
		Env:             envVariables,
		Cmd:             runCmd,
		Image:           image,
		Volumes:         flVolumes.GetMap(),
		MacAddress:      *flMacAddress,
		Entrypoint:      entrypoint,
		WorkingDir:      *flWorkingDir,
	}

	hostConfig := &HostConfig{
		Binds:           binds,
		ContainerIDFile: *flContainerIDFile,
		LxcConf:         lxcConf,
		Privileged:      *flPrivileged,
		PortBindings:    portBindings,
		Links:           flLinks.GetAll(),
		PublishAllPorts: *flPublishAll,
		Dns:             flDns.GetAll(),
		DnsSearch:       flDnsSearch.GetAll(),
		ExtraHosts:      flExtraHosts.GetAll(),
		VolumesFrom:     flVolumesFrom.GetAll(),
		NetworkMode:     netMode,
		IpcMode:         ipcMode,
		PidMode:         pidMode,
		Devices:         deviceMappings,
		CapAdd:          flCapAdd.GetAll(),
		CapDrop:         flCapDrop.GetAll(),
		RestartPolicy:   restartPolicy,
		SecurityOpt:     flSecurityOpt.GetAll(),
		ReadonlyRootfs:  *flReadonlyRootfs,
		Ulimits:         flUlimits.GetList(),
	}

	// When allocating stdin in attached mode, close stdin at client disconnect
	if config.OpenStdin && config.AttachStdin {
		config.StdinOnce = true
	}
	return config, hostConfig, cmd, nil
}
Пример #3
0
func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSet, error) {
	var (
		// FIXME: use utils.ListOpts for attach and volumes?
		flAttach  = opts.NewListOpts(opts.ValidateAttach)
		flVolumes = opts.NewListOpts(opts.ValidatePath)
		flLinks   = opts.NewListOpts(opts.ValidateLink)
		flEnv     = opts.NewListOpts(opts.ValidateEnv)
		flLabels  = opts.NewListOpts(opts.ValidateEnv)
		flDevices = opts.NewListOpts(opts.ValidatePath)

		ulimits   = make(map[string]*ulimit.Ulimit)
		flUlimits = opts.NewUlimitOpt(ulimits)

		flPublish     = opts.NewListOpts(nil)
		flExpose      = opts.NewListOpts(nil)
		flDns         = opts.NewListOpts(opts.ValidateIPAddress)
		flDnsSearch   = opts.NewListOpts(opts.ValidateDnsSearch)
		flExtraHosts  = opts.NewListOpts(opts.ValidateExtraHost)
		flVolumesFrom = opts.NewListOpts(nil)
		flLxcOpts     = 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)

		flNetwork         = cmd.Bool([]string{"#n", "#-networking"}, true, "Enable networking for this container")
		flPrivileged      = cmd.Bool([]string{"#privileged", "-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")
		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")
		flSwappinessStr   = cmd.String([]string{"-memory-swappiness"}, "", "Tuning container memory swappiness (0 to 100)")
		flContainerIDFile = cmd.String([]string{"#cidfile", "-cidfile"}, "", "Write the container ID to the file")
		flEntrypoint      = cmd.String([]string{"#entrypoint", "-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")
		flMemorySwap      = cmd.String([]string{"-memory-swap"}, "", "Total memory (memory + swap), '-1' to disable swap")
		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")
		flCpusetCpus      = cmd.String([]string{"#-cpuset", "-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)")
		flCpuQuota        = cmd.Int64([]string{"-cpu-quota"}, 0, "Limit the CPU CFS quota")
		flBlkioWeight     = cmd.Int64([]string{"-blkio-weight"}, 0, "Block IO (relative weight), between 10 and 1000")
		flNetMode         = cmd.String([]string{"-net"}, "default", "Set the Network mode for the container")
		flMacAddress      = cmd.String([]string{"-mac-address"}, "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)")
		flIpcMode         = cmd.String([]string{"-ipc"}, "", "IPC namespace to use")
		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")
	)

	cmd.Var(&flAttach, []string{"a", "-attach"}, "Attach to STDIN, STDOUT or STDERR")
	cmd.Var(&flVolumes, []string{"v", "-volume"}, "Bind mount a volume")
	cmd.Var(&flLinks, []string{"#link", "-link"}, "Add link to another 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"}, "Expose a port or a range of ports")
	cmd.Var(&flDns, []string{"#dns", "-dns"}, "Set custom DNS servers")
	cmd.Var(&flDnsSearch, []string{"-dns-search"}, "Set custom DNS search domains")
	cmd.Var(&flExtraHosts, []string{"-add-host"}, "Add a custom host-to-IP mapping (host:ip)")
	cmd.Var(&flVolumesFrom, []string{"#volumes-from", "-volumes-from"}, "Mount volumes from the specified container(s)")
	cmd.Var(&flLxcOpts, []string{"#lxc-conf", "-lxc-conf"}, "Add custom lxc options")
	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")

	expFlags := attachExperimentalFlags(cmd)

	cmd.Require(flag.Min, 1)

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

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

	netMode, err := parseNetMode(*flNetMode)
	if err != nil {
		return nil, nil, cmd, fmt.Errorf("--net: invalid net mode: %v", err)
	}

	vals := validateNM{
		netMode:      netMode,
		flHostname:   flHostname,
		flLinks:      flLinks,
		flDns:        flDns,
		flExtraHosts: flExtraHosts,
		flMacAddress: flMacAddress,
		flPublish:    flPublish,
		flPublishAll: flPublishAll,
		flExpose:     flExpose,
	}

	if err := validateNetMode(&vals); err != nil {
		return nil, nil, cmd, err
	}

	// Validate the input mac address
	if *flMacAddress != "" {
		if _, err := opts.ValidateMACAddress(*flMacAddress); err != nil {
			return 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 flMemory int64
	if *flMemoryString != "" {
		parsedMemory, err := units.RAMInBytes(*flMemoryString)
		if err != nil {
			return nil, nil, cmd, err
		}
		flMemory = parsedMemory
	}

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

	var parsedSwappiness int64
	var flSwappiness int64

	if *flSwappinessStr != "" {
		parsedSwappiness, err = strconv.ParseInt(*flSwappinessStr, 10, 64)
		if err != nil || parsedSwappiness < 0 || parsedSwappiness > 100 {
			return nil, nil, cmd, fmt.Errorf("invalid value:%s. valid memory swappiness range is 0-100", *flSwappinessStr)
		}
		flSwappiness = parsedSwappiness
	} else {
		flSwappiness = -1
	}

	var binds []string
	// add any bind targets to the list of container volumes
	for bind := range flVolumes.GetMap() {
		if arr := strings.Split(bind, ":"); len(arr) > 1 {
			if arr[1] == "/" {
				return nil, nil, cmd, fmt.Errorf("Invalid bind mount: destination can't be '/'")
			}
			// 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)
		} else if bind == "/" {
			return nil, nil, cmd, fmt.Errorf("Invalid volume: path can't be '/'")
		}
	}

	var (
		parsedArgs = cmd.Args()
		runCmd     *Command
		entrypoint *Entrypoint
		image      = cmd.Arg(0)
	)
	if len(parsedArgs) > 1 {
		runCmd = NewCommand(parsedArgs[1:]...)
	}
	if *flEntrypoint != "" {
		entrypoint = NewEntrypoint(*flEntrypoint)
	}

	lc, err := parseKeyValueOpts(flLxcOpts)
	if err != nil {
		return nil, nil, cmd, err
	}
	lxcConf := NewLxcConfig(lc)

	var (
		domainname string
		hostname   = *flHostname
		parts      = strings.SplitN(hostname, ".", 2)
	)
	if len(parts) > 1 {
		hostname = parts[0]
		domainname = parts[1]
	}

	ports, portBindings, err := nat.ParsePortSpecs(flPublish.GetAll())
	if err != nil {
		return 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, 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 := parsers.ParsePortRange(port)
		if err != nil {
			return nil, nil, cmd, fmt.Errorf("Invalid range format for --expose: %s, error: %s", e, err)
		}
		for i := start; i <= end; i++ {
			p := nat.NewPort(proto, strconv.FormatUint(i, 10))
			if _, exists := ports[p]; !exists {
				ports[p] = struct{}{}
			}
		}
	}

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

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

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

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

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

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

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

	config := &Config{
		Hostname:        hostname,
		Domainname:      domainname,
		ExposedPorts:    ports,
		User:            *flUser,
		Tty:             *flTty,
		NetworkDisabled: !*flNetwork,
		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),
	}

	hostConfig := &HostConfig{
		Binds:            binds,
		ContainerIDFile:  *flContainerIDFile,
		LxcConf:          lxcConf,
		Memory:           flMemory,
		MemorySwap:       MemorySwap,
		CpuShares:        *flCpuShares,
		CpuPeriod:        *flCpuPeriod,
		CpusetCpus:       *flCpusetCpus,
		CpusetMems:       *flCpusetMems,
		CpuQuota:         *flCpuQuota,
		BlkioWeight:      *flBlkioWeight,
		OomKillDisable:   *flOomKillDisable,
		MemorySwappiness: flSwappiness,
		Privileged:       *flPrivileged,
		PortBindings:     portBindings,
		Links:            flLinks.GetAll(),
		PublishAllPorts:  *flPublishAll,
		Dns:              flDns.GetAll(),
		DnsSearch:        flDnsSearch.GetAll(),
		ExtraHosts:       flExtraHosts.GetAll(),
		VolumesFrom:      flVolumesFrom.GetAll(),
		NetworkMode:      netMode,
		IpcMode:          ipcMode,
		PidMode:          pidMode,
		UTSMode:          utsMode,
		Devices:          deviceMappings,
		CapAdd:           NewCapList(flCapAdd.GetAll()),
		CapDrop:          NewCapList(flCapDrop.GetAll()),
		GroupAdd:         flGroupAdd.GetAll(),
		RestartPolicy:    restartPolicy,
		SecurityOpt:      flSecurityOpt.GetAll(),
		ReadonlyRootfs:   *flReadonlyRootfs,
		Ulimits:          flUlimits.GetList(),
		LogConfig:        LogConfig{Type: *flLoggingDriver, Config: loggingOpts},
		CgroupParent:     *flCgroupParent,
	}

	applyExperimentalFlags(expFlags, config, hostConfig)

	// When allocating stdin in attached mode, close stdin at client disconnect
	if config.OpenStdin && config.AttachStdin {
		config.StdinOnce = true
	}
	return config, hostConfig, cmd, nil
}
Пример #4
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 := opts.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
	volumes := copts.volumes.GetMap()
	// 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)
			// We should delete from the map (`volumes`) here, as deleting from copts.volumes will not work if
			// there are duplicates entries.
			delete(volumes, 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 {
			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 := runconfigopts.ReadKVStrings(copts.envFile.GetAll(), copts.env.GetAll())
	if err != nil {
		return nil, nil, nil, err
	}

	// collect all the labels for the container
	labels, err := runconfigopts.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 := runconfigopts.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,
		NanoCPUs:             copts.cpus.Value(),
		CPUCount:             copts.cpuCount,
		CPUPercent:           copts.cpuPercent,
		CPUShares:            copts.cpuShares,
		CPUPeriod:            copts.cpuPeriod,
		CpusetCpus:           copts.cpusetCpus,
		CpusetMems:           copts.cpusetMems,
		CPUQuota:             copts.cpuQuota,
		CPURealtimePeriod:    copts.cpuRealtimePeriod,
		CPURealtimeRuntime:   copts.cpuRealtimeRuntime,
		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:         volumes,
		MacAddress:      copts.macAddress,
		Entrypoint:      entrypoint,
		WorkingDir:      copts.workingDir,
		Labels:          runconfigopts.ConvertKVStringsToMap(labels),
		Healthcheck:     healthConfig,
	}
	if flags.Changed("stop-signal") {
		config.StopSignal = copts.stopSignal
	}
	if flags.Changed("stop-timeout") {
		config.StopTimeout = &copts.stopTimeout
	}

	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
}