Golang ListOpts.GetAll方法代碼示例

// options will come in the format of name.key=value or name.option
func parseDriverOpts(opts opts.ListOpts) (map[string][]string, error) {
	out := make(map[string][]string, len(opts.GetAll()))
	for _, o := range opts.GetAll() {
		parts := strings.SplitN(o, ".", 2)
		if len(parts) < 2 {
			return nil, fmt.Errorf("invalid opt format %s", o)
		} else if strings.TrimSpace(parts[0]) == "" {
			return nil, fmt.Errorf("key cannot be empty %s", o)
		}
		values, exists := out[parts[0]]
		if !exists {
			values = []string{}
		}
		out[parts[0]] = append(values, parts[1])
	}
	return out, nil
}

func (c *ClusterCli) resolveFilterParam(flCFilter opts.ListOpts) map[string]string {
	filterMapResult := map[string]string{}
	if flCFilter.Len() <= 0 {
		return filterMapResult
	}
	for _, filter := range flCFilter.GetAll() {
		if index := strings.Index(filter, "="); index > 0 {
			name := strings.TrimSpace(filter[0:index])
			value := strings.TrimSpace(filter[index+1:])
			filterMapResult[name] = value
		} else {
			fmt.Println(fmt.Sprintf("Ignore container filter options: %s", filter))
		}
	}

	return filterMapResult
}

func parseKeyValueOpts(opts opts.ListOpts) ([]KeyValuePair, error) {
	out := make([]KeyValuePair, opts.Len())
	for i, o := range opts.GetAll() {
		k, v, err := parsers.ParseKeyValueOpt(o)
		if err != nil {
			return nil, err
		}
		out[i] = KeyValuePair{Key: k, Value: v}
	}
	return out, nil
}

//.........這裏部分代碼省略.........
			realRoot, err = utils.ReadSymlinkedDirectory(root)
			if err != nil {
				log.Fatalf("Unable to get the full path to root (%s): %s", root, err)
			}
		}
		if err := checkKernelAndArch(); err != nil {
			log.Fatal(err)
		}

		eng := engine.New()
		// Load builtins
		if err := builtins.Register(eng); err != nil {
			log.Fatal(err)
		}

		// handle the pidfile early. https://github.com/docker/docker/issues/6973
		if len(*pidfile) > 0 {
			job := eng.Job("initserverpidfile", *pidfile)
			if err := job.Run(); err != nil {
				log.Fatal(err)
			}
		}

		// load the daemon in the background so we can immediately start
		// the http api so that connections don't fail while the daemon
		// is booting
		go func() {
			// Load plugin: httpapi
			job := eng.Job("initserver")
			// include the variable here too, for the server config
			job.Setenv("Pidfile", *pidfile)
			job.Setenv("Root", realRoot)
			job.SetenvBool("AutoRestart", *flAutoRestart)
			job.SetenvList("Dns", flDns.GetAll())
			job.SetenvList("DnsSearch", flDnsSearch.GetAll())
			job.SetenvBool("EnableIptables", *flEnableIptables)
			job.SetenvBool("EnableIpForward", *flEnableIpForward)
			job.Setenv("BridgeIface", *bridgeName)
			job.Setenv("BridgeIP", *bridgeIp)
			job.Setenv("DefaultIp", *flDefaultIp)
			job.SetenvBool("InterContainerCommunication", *flInterContainerComm)
			job.Setenv("GraphDriver", *flGraphDriver)
			job.SetenvList("GraphOptions", flGraphOpts.GetAll())
			job.Setenv("ExecDriver", *flExecDriver)
			job.SetenvInt("Mtu", *flMtu)
			job.SetenvBool("EnableSelinuxSupport", *flSelinuxEnabled)
			job.SetenvList("Sockets", flHosts.GetAll())
			if err := job.Run(); err != nil {
				log.Fatal(err)
			}
			// after the daemon is done setting up we can tell the api to start
			// accepting connections
			if err := eng.Job("acceptconnections").Run(); err != nil {
				log.Fatal(err)
			}
		}()

		// TODO actually have a resolved graphdriver to show?
		log.Printf("docker daemon: %s %s; execdriver: %s; graphdriver: %s",
			dockerversion.VERSION,
			dockerversion.GITCOMMIT,
			*flExecDriver,
			*flGraphDriver)

		// Serve api
		job := eng.Job("serveapi", flHosts.GetAll()...)

//.........這裏部分代碼省略.........
	}

	var (
		parsedArgs = cmd.Args()
		runCmd     []string
		entrypoint []string
		image      string
	)
	if len(parsedArgs) >= 1 {
		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)
		}
		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
		}