Golang nat.SplitProtoPort函数代码示例

func (daemon *Daemon) verifyHostConfig(hostConfig *runconfig.HostConfig) ([]string, error) {
	var warnings []string

	if hostConfig == nil {
		return warnings, nil
	}

	for port := range hostConfig.PortBindings {
		_, portStr := nat.SplitProtoPort(string(port))
		if _, err := nat.ParsePort(portStr); err != nil {
			return warnings, fmt.Errorf("Invalid port specification: %s", portStr)
		}
	}

	if hostConfig.LxcConf.Len() > 0 && !strings.Contains(daemon.ExecutionDriver().Name(), "lxc") {
		return warnings, fmt.Errorf("Cannot use --lxc-conf with execdriver: %s", daemon.ExecutionDriver().Name())
	}
	if hostConfig.Memory != 0 && hostConfig.Memory < 4194304 {
		return warnings, fmt.Errorf("Minimum memory limit allowed is 4MB")
	}
	if hostConfig.Memory > 0 && !daemon.SystemConfig().MemoryLimit {
		warnings = append(warnings, "Your kernel does not support memory limit capabilities. Limitation discarded.")
		hostConfig.Memory = 0
	}
	if hostConfig.Memory > 0 && hostConfig.MemorySwap != -1 && !daemon.SystemConfig().SwapLimit {
		warnings = append(warnings, "Your kernel does not support swap limit capabilities, memory limited without swap.")
		hostConfig.MemorySwap = -1
	}
	if hostConfig.Memory > 0 && hostConfig.MemorySwap > 0 && hostConfig.MemorySwap < hostConfig.Memory {
		return warnings, fmt.Errorf("Minimum memoryswap limit should be larger than memory limit, see usage.")
	}
	if hostConfig.Memory == 0 && hostConfig.MemorySwap > 0 {
		return warnings, fmt.Errorf("You should always set the Memory limit when using Memoryswap limit, see usage.")
	}
	if hostConfig.CpuPeriod > 0 && !daemon.SystemConfig().CpuCfsPeriod {
		warnings = append(warnings, "Your kernel does not support CPU cfs period. Period discarded.")
		hostConfig.CpuPeriod = 0
	}
	if hostConfig.CpuQuota > 0 && !daemon.SystemConfig().CpuCfsQuota {
		warnings = append(warnings, "Your kernel does not support CPU cfs quota. Quota discarded.")
		hostConfig.CpuQuota = 0
	}
	if hostConfig.BlkioWeight > 0 && (hostConfig.BlkioWeight < 10 || hostConfig.BlkioWeight > 1000) {
		return warnings, fmt.Errorf("Range of blkio weight is from 10 to 1000.")
	}
	if hostConfig.OomKillDisable && !daemon.SystemConfig().OomKillDisable {
		hostConfig.OomKillDisable = false
		return warnings, fmt.Errorf("Your kernel does not support oom kill disable.")
	}

	return warnings, nil
}

//.........这里部分代码省略.........
	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...)

//.........这里部分代码省略.........
	}
	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)
		}
		p := nat.NewPort(nat.SplitProtoPort(e))
		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()...)

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

//.........这里部分代码省略.........
		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())