Example #1
func registerFlagInt(t reflect.Kind, fs *pflag.FlagSet, field interface{}, parts []string, vt int64, desc string) {
	switch t {
	case reflect.Int:
		if len(parts) == 1 {
			fs.IntVar(field.(*int), parts[0], int(vt), desc)
		} else {
			fs.IntVarP(field.(*int), parts[0], parts[1], int(vt), desc)
	case reflect.Int8:
		if len(parts) == 1 {
			fs.Int8Var(field.(*int8), parts[0], int8(vt), desc)
		} else {
			fs.Int8VarP(field.(*int8), parts[0], parts[1], int8(vt), desc)
	case reflect.Int32:
		if len(parts) == 1 {
			fs.Int32Var(field.(*int32), parts[0], int32(vt), desc)
		} else {
			fs.Int32VarP(field.(*int32), parts[0], parts[1], int32(vt), desc)
	case reflect.Int64:
		if len(parts) == 1 {
			fs.Int64Var(field.(*int64), parts[0], int64(vt), desc)
		} else {
			fs.Int64VarP(field.(*int64), parts[0], parts[1], int64(vt), desc)
Example #2
func int64Flag(f *pflag.FlagSet, valPtr *int64, flagInfo cliflags.FlagInfo, defaultVal int64) {
	if flagInfo.Shorthand == "" {
		f.Int64Var(valPtr, flagInfo.Name, defaultVal, makeUsageString(flagInfo))
	} else {
		f.Int64VarP(valPtr, flagInfo.Name, flagInfo.Shorthand, defaultVal, makeUsageString(flagInfo))

	setFlagFromEnv(f, flagInfo)
Example #3
func (conf *DatastoreConfig) AddFlags(flags *flag.FlagSet) {
	flags.StringVarP(&conf.Mode, "mode", "m", "load", "[load|run]")
	flags.Int64VarP(&conf.Records, "records", "", 1000000, "Number of Records.")
	flags.IntVar(&conf.FieldCount, "fieldcount", 10, "Number of Fields.")
	flags.IntVar(&conf.FieldSize, "fieldsize", 100, "Size of Fields.")
	flags.Float64Var(&conf.ReadRatio, "readratio", 0.95, "Ratio of Reads.")
	flags.Float64Var(&conf.UpdateRatio, "updateratio", 0.05, "Ratio of Updates.")
	//	flags.Float64Var(&conf.InsertRatio, "readratio", 0.0, "Ratio of Inserts.")
	//	flags.Float64Var(&conf.ScanRatio, "readratio", 0.0, "Ratio of Scan operations.")
Example #4
// AddFlags adds all command line flags that will be used by Parse to the FlagSet
func AddFlags(flags *pflag.FlagSet) *ContainerOptions {
	copts := &ContainerOptions{
		aliases:           opts.NewListOpts(nil),
		attach:            opts.NewListOpts(ValidateAttach),
		blkioWeightDevice: NewWeightdeviceOpt(ValidateWeightDevice),
		capAdd:            opts.NewListOpts(nil),
		capDrop:           opts.NewListOpts(nil),
		dns:               opts.NewListOpts(opts.ValidateIPAddress),
		dnsOptions:        opts.NewListOpts(nil),
		dnsSearch:         opts.NewListOpts(opts.ValidateDNSSearch),
		deviceReadBps:     NewThrottledeviceOpt(ValidateThrottleBpsDevice),
		deviceReadIOps:    NewThrottledeviceOpt(ValidateThrottleIOpsDevice),
		deviceWriteBps:    NewThrottledeviceOpt(ValidateThrottleBpsDevice),
		deviceWriteIOps:   NewThrottledeviceOpt(ValidateThrottleIOpsDevice),
		devices:           opts.NewListOpts(ValidateDevice),
		env:               opts.NewListOpts(ValidateEnv),
		envFile:           opts.NewListOpts(nil),
		expose:            opts.NewListOpts(nil),
		extraHosts:        opts.NewListOpts(ValidateExtraHost),
		groupAdd:          opts.NewListOpts(nil),
		labels:            opts.NewListOpts(ValidateEnv),
		labelsFile:        opts.NewListOpts(nil),
		linkLocalIPs:      opts.NewListOpts(nil),
		links:             opts.NewListOpts(ValidateLink),
		loggingOpts:       opts.NewListOpts(nil),
		publish:           opts.NewListOpts(nil),
		securityOpt:       opts.NewListOpts(nil),
		storageOpt:        opts.NewListOpts(nil),
		sysctls:           opts.NewMapOpts(nil, opts.ValidateSysctl),
		tmpfs:             opts.NewListOpts(nil),
		ulimits:           NewUlimitOpt(nil),
		volumes:           opts.NewListOpts(nil),
		volumesFrom:       opts.NewListOpts(nil),

	// General purpose flags
	flags.VarP(&copts.attach, "attach", "a", "Attach to STDIN, STDOUT or STDERR")
	flags.Var(&copts.devices, "device", "Add a host device to the container")
	flags.VarP(&copts.env, "env", "e", "Set environment variables")
	flags.Var(&copts.envFile, "env-file", "Read in a file of environment variables")
	flags.StringVar(&copts.entrypoint, "entrypoint", "", "Overwrite the default ENTRYPOINT of the image")
	flags.Var(&copts.groupAdd, "group-add", "Add additional groups to join")
	flags.StringVarP(&copts.hostname, "hostname", "h", "", "Container host name")
	flags.BoolVarP(&copts.stdin, "interactive", "i", false, "Keep STDIN open even if not attached")
	flags.VarP(&copts.labels, "label", "l", "Set meta data on a container")
	flags.Var(&copts.labelsFile, "label-file", "Read in a line delimited file of labels")
	flags.BoolVar(&copts.readonlyRootfs, "read-only", false, "Mount the container's root filesystem as read only")
	flags.StringVar(&copts.restartPolicy, "restart", "no", "Restart policy to apply when a container exits")
	flags.StringVar(&copts.stopSignal, "stop-signal", signal.DefaultStopSignal, fmt.Sprintf("Signal to stop a container, %v by default", signal.DefaultStopSignal))
	flags.Var(copts.sysctls, "sysctl", "Sysctl options")
	flags.BoolVarP(&copts.tty, "tty", "t", false, "Allocate a pseudo-TTY")
	flags.Var(copts.ulimits, "ulimit", "Ulimit options")
	flags.StringVarP(&copts.user, "user", "u", "", "Username or UID (format: <name|uid>[:<group|gid>])")
	flags.StringVarP(&copts.workingDir, "workdir", "w", "", "Working directory inside the container")
	flags.BoolVar(&copts.autoRemove, "rm", false, "Automatically remove the container when it exits")

	// Security
	flags.Var(&copts.capAdd, "cap-add", "Add Linux capabilities")
	flags.Var(&copts.capDrop, "cap-drop", "Drop Linux capabilities")
	flags.BoolVar(&copts.privileged, "privileged", false, "Give extended privileges to this container")
	flags.Var(&copts.securityOpt, "security-opt", "Security Options")
	flags.StringVar(&copts.usernsMode, "userns", "", "User namespace to use")
	flags.StringVar(&copts.credentialSpec, "credentialspec", "", "Credential spec for managed service account (Windows only)")

	// Network and port publishing flag
	flags.Var(&copts.extraHosts, "add-host", "Add a custom host-to-IP mapping (host:ip)")
	flags.Var(&copts.dns, "dns", "Set custom DNS servers")
	flags.Var(&copts.dnsOptions, "dns-opt", "Set DNS options")
	flags.Var(&copts.dnsSearch, "dns-search", "Set custom DNS search domains")
	flags.Var(&copts.expose, "expose", "Expose a port or a range of ports")
	flags.StringVar(&copts.ipv4Address, "ip", "", "Container IPv4 address (e.g.")
	flags.StringVar(&copts.ipv6Address, "ip6", "", "Container IPv6 address (e.g. 2001:db8::33)")
	flags.Var(&copts.links, "link", "Add link to another container")
	flags.Var(&copts.linkLocalIPs, "link-local-ip", "Container IPv4/IPv6 link-local addresses")
	flags.StringVar(&copts.macAddress, "mac-address", "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)")
	flags.VarP(&copts.publish, "publish", "p", "Publish a container's port(s) to the host")
	flags.BoolVarP(&copts.publishAll, "publish-all", "P", false, "Publish all exposed ports to random ports")
	// We allow for both "--net" and "--network", although the latter is the recommended way.
	flags.StringVar(&copts.netMode, "net", "default", "Connect a container to a network")
	flags.StringVar(&copts.netMode, "network", "default", "Connect a container to a network")
	// We allow for both "--net-alias" and "--network-alias", although the latter is the recommended way.
	flags.Var(&copts.aliases, "net-alias", "Add network-scoped alias for the container")
	flags.Var(&copts.aliases, "network-alias", "Add network-scoped alias for the container")

	// Logging and storage
	flags.StringVar(&copts.loggingDriver, "log-driver", "", "Logging driver for the container")
	flags.StringVar(&copts.volumeDriver, "volume-driver", "", "Optional volume driver for the container")
	flags.Var(&copts.loggingOpts, "log-opt", "Log driver options")
	flags.Var(&copts.storageOpt, "storage-opt", "Storage driver options for the container")
	flags.Var(&copts.tmpfs, "tmpfs", "Mount a tmpfs directory")
	flags.Var(&copts.volumesFrom, "volumes-from", "Mount volumes from the specified container(s)")
	flags.VarP(&copts.volumes, "volume", "v", "Bind mount a volume")

	// Health-checking
	flags.StringVar(&copts.healthCmd, "health-cmd", "", "Command to run to check health")
	flags.DurationVar(&copts.healthInterval, "health-interval", 0, "Time between running the check")
	flags.IntVar(&copts.healthRetries, "health-retries", 0, "Consecutive failures needed to report unhealthy")
	flags.DurationVar(&copts.healthTimeout, "health-timeout", 0, "Maximum time to allow one check to run")
	flags.BoolVar(&copts.noHealthcheck, "no-healthcheck", false, "Disable any container-specified HEALTHCHECK")

	// Resource management
	flags.Uint16Var(&copts.blkioWeight, "blkio-weight", 0, "Block IO (relative weight), between 10 and 1000")
	flags.Var(&copts.blkioWeightDevice, "blkio-weight-device", "Block IO weight (relative device weight)")
	flags.StringVar(&copts.containerIDFile, "cidfile", "", "Write the container ID to the file")
	flags.StringVar(&copts.cpusetCpus, "cpuset-cpus", "", "CPUs in which to allow execution (0-3, 0,1)")
	flags.StringVar(&copts.cpusetMems, "cpuset-mems", "", "MEMs in which to allow execution (0-3, 0,1)")
	flags.Int64Var(&copts.cpuPercent, "cpu-percent", 0, "CPU percent (Windows only)")
	flags.Int64Var(&copts.cpuPeriod, "cpu-period", 0, "Limit CPU CFS (Completely Fair Scheduler) period")
	flags.Int64Var(&copts.cpuQuota, "cpu-quota", 0, "Limit CPU CFS (Completely Fair Scheduler) quota")
	flags.Int64VarP(&copts.cpuShares, "cpu-shares", "c", 0, "CPU shares (relative weight)")
	flags.Var(&copts.deviceReadBps, "device-read-bps", "Limit read rate (bytes per second) from a device")
	flags.Var(&copts.deviceReadIOps, "device-read-iops", "Limit read rate (IO per second) from a device")
	flags.Var(&copts.deviceWriteBps, "device-write-bps", "Limit write rate (bytes per second) to a device")
	flags.Var(&copts.deviceWriteIOps, "device-write-iops", "Limit write rate (IO per second) to a device")
	flags.StringVar(&copts.ioMaxBandwidth, "io-maxbandwidth", "", "Maximum IO bandwidth limit for the system drive (Windows only)")
	flags.Uint64Var(&copts.ioMaxIOps, "io-maxiops", 0, "Maximum IOps limit for the system drive (Windows only)")
	flags.StringVar(&copts.kernelMemory, "kernel-memory", "", "Kernel memory limit")
	flags.StringVarP(&copts.memoryString, "memory", "m", "", "Memory limit")
	flags.StringVar(&copts.memoryReservation, "memory-reservation", "", "Memory soft limit")
	flags.StringVar(&copts.memorySwap, "memory-swap", "", "Swap limit equal to memory plus swap: '-1' to enable unlimited swap")
	flags.Int64Var(&copts.swappiness, "memory-swappiness", -1, "Tune container memory swappiness (0 to 100)")
	flags.BoolVar(&copts.oomKillDisable, "oom-kill-disable", false, "Disable OOM Killer")
	flags.IntVar(&copts.oomScoreAdj, "oom-score-adj", 0, "Tune host's OOM preferences (-1000 to 1000)")
	flags.Int64Var(&copts.pidsLimit, "pids-limit", 0, "Tune container pids limit (set -1 for unlimited)")

	// Low-level execution (cgroups, namespaces, ...)
	flags.StringVar(&copts.cgroupParent, "cgroup-parent", "", "Optional parent cgroup for the container")
	flags.StringVar(&copts.ipcMode, "ipc", "", "IPC namespace to use")
	flags.StringVar(&copts.isolation, "isolation", "", "Container isolation technology")
	flags.StringVar(&copts.pidMode, "pid", "", "PID namespace to use")
	flags.StringVar(&copts.shmSize, "shm-size", "", "Size of /dev/shm, default value is 64MB")
	flags.StringVar(&copts.utsMode, "uts", "", "UTS namespace to use")
	flags.StringVar(&copts.runtime, "runtime", "", "Runtime to use for this container")

	flags.BoolVar(&copts.init, "init", false, "Run an init inside the container that forwards signals and reaps processes")
	flags.StringVar(&copts.initPath, "init-path", "", "Path to the docker-init binary")
	return copts
Example #5
func (conf *BasicConfig) AddFlags(flags *flag.FlagSet) {
	flags.Int64VarP(&conf.NumRequests, "numrequests", "n", 10000, "Number of requests.")
	flags.IntVarP(&conf.Concurrency, "concurrency", "c", 100, "Number of concurrent workers.")
	flags.StringVarP(&conf.Cluster, "cluster", "", "", "Peer nodes to use, if none, use this process.")