Golang FlagSet.IsSet方法代码示例

func loadDaemonCliConfig(config *daemon.Config, daemonFlags *flag.FlagSet, commonConfig *cli.CommonFlags, configFile string) (*daemon.Config, error) {
	config.Debug = commonConfig.Debug
	config.Hosts = commonConfig.Hosts
	config.LogLevel = commonConfig.LogLevel
	config.TLS = commonConfig.TLS
	config.TLSVerify = commonConfig.TLSVerify
	config.TLSOptions = daemon.CommonTLSOptions{}

	if commonConfig.TLSOptions != nil {
		config.TLSOptions.CAFile = commonConfig.TLSOptions.CAFile
		config.TLSOptions.CertFile = commonConfig.TLSOptions.CertFile
		config.TLSOptions.KeyFile = commonConfig.TLSOptions.KeyFile
	}

	if configFile != "" {
		c, err := daemon.MergeDaemonConfigurations(config, daemonFlags, configFile)
		if err != nil {
			if daemonFlags.IsSet(daemonConfigFileFlag) || !os.IsNotExist(err) {
				return nil, fmt.Errorf("unable to configure the Docker daemon with file %s: %v\n", configFile, err)
			}
		}
		// the merged configuration can be nil if the config file didn't exist.
		// leave the current configuration as it is if when that happens.
		if c != nil {
			config = c
		}
	}

	return config, nil
}

func loadDaemonCliConfig(config *daemon.Config, flags *flag.FlagSet, commonConfig *cliflags.CommonFlags, configFile string) (*daemon.Config, error) {
	config.Debug = commonConfig.Debug
	config.Hosts = commonConfig.Hosts
	config.LogLevel = commonConfig.LogLevel
	config.TLS = commonConfig.TLS
	config.TLSVerify = commonConfig.TLSVerify
	config.CommonTLSOptions = daemon.CommonTLSOptions{}

	if commonConfig.TLSOptions != nil {
		config.CommonTLSOptions.CAFile = commonConfig.TLSOptions.CAFile
		config.CommonTLSOptions.CertFile = commonConfig.TLSOptions.CertFile
		config.CommonTLSOptions.KeyFile = commonConfig.TLSOptions.KeyFile
	}

	if configFile != "" {
		c, err := daemon.MergeDaemonConfigurations(config, flags, configFile)
		if err != nil {
			if flags.IsSet(daemonConfigFileFlag) || !os.IsNotExist(err) {
				return nil, fmt.Errorf("unable to configure the Docker daemon with file %s: %v\n", configFile, err)
			}
		}
		// the merged configuration can be nil if the config file didn't exist.
		// leave the current configuration as it is if when that happens.
		if c != nil {
			config = c
		}
	}

	if err := daemon.ValidateConfiguration(config); err != nil {
		return nil, err
	}

	// Regardless of whether the user sets it to true or false, if they
	// specify TLSVerify at all then we need to turn on TLS
	if config.IsValueSet(cliflags.TLSVerifyKey) {
		config.TLS = true
	}

	// ensure that the log level is the one set after merging configurations
	cliflags.SetDaemonLogLevel(config.LogLevel)

	return config, nil
}

//.........这里部分代码省略.........
		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,