// CmdNetworkCreate creates a new network with a given name // // Usage: docker network create [OPTIONS] <NETWORK-NAME> func (cli *DockerCli) CmdNetworkCreate(args ...string) error { cmd := Cli.Subcmd("network create", []string{"NETWORK-NAME"}, "Creates a new network with a name specified by the user", false) flDriver := cmd.String([]string{"d", "-driver"}, "bridge", "Driver to manage the Network") flOpts := opts.NewMapOpts(nil, nil) flIpamDriver := cmd.String([]string{"-ipam-driver"}, "default", "IP Address Management Driver") flIpamSubnet := opts.NewListOpts(nil) flIpamIPRange := opts.NewListOpts(nil) flIpamGateway := opts.NewListOpts(nil) flIpamAux := opts.NewMapOpts(nil, nil) flIpamOpt := opts.NewMapOpts(nil, nil) flLabels := opts.NewListOpts(nil) cmd.Var(&flIpamSubnet, []string{"-subnet"}, "subnet in CIDR format that represents a network segment") cmd.Var(&flIpamIPRange, []string{"-ip-range"}, "allocate container ip from a sub-range") cmd.Var(&flIpamGateway, []string{"-gateway"}, "ipv4 or ipv6 Gateway for the master subnet") cmd.Var(flIpamAux, []string{"-aux-address"}, "auxiliary ipv4 or ipv6 addresses used by Network driver") cmd.Var(flOpts, []string{"o", "-opt"}, "set driver specific options") cmd.Var(flIpamOpt, []string{"-ipam-opt"}, "set IPAM driver specific options") cmd.Var(&flLabels, []string{"-label"}, "set metadata on a network") flInternal := cmd.Bool([]string{"-internal"}, false, "restricts external access to the network") flIPv6 := cmd.Bool([]string{"-ipv6"}, false, "enable IPv6 networking") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } // Set the default driver to "" if the user didn't set the value. // That way we can know whether it was user input or not. driver := *flDriver if !cmd.IsSet("-driver") && !cmd.IsSet("d") { driver = "" } ipamCfg, err := consolidateIpam(flIpamSubnet.GetAll(), flIpamIPRange.GetAll(), flIpamGateway.GetAll(), flIpamAux.GetAll()) if err != nil { return err } // Construct network create request body nc := types.NetworkCreate{ Driver: driver, IPAM: network.IPAM{Driver: *flIpamDriver, Config: ipamCfg, Options: flIpamOpt.GetAll()}, Options: flOpts.GetAll(), CheckDuplicate: true, Internal: *flInternal, EnableIPv6: *flIPv6, Labels: runconfigopts.ConvertKVStringsToMap(flLabels.GetAll()), } resp, err := cli.client.NetworkCreate(context.Background(), cmd.Arg(0), nc) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", resp.ID) return nil }
// CmdNetworkCreate creates a new network with a given name // // Usage: docker network create [OPTIONS] <NETWORK-NAME> func (cli *DockerCli) CmdNetworkCreate(args ...string) error { cmd := Cli.Subcmd("network create", []string{"NETWORK-NAME"}, "Creates a new network with a name specified by the user", false) flDriver := cmd.String([]string{"d", "-driver"}, "bridge", "Driver to manage the Network") flOpts := opts.NewMapOpts(nil, nil) flIpamDriver := cmd.String([]string{"-ipam-driver"}, "default", "IP Address Management Driver") flIpamSubnet := opts.NewListOpts(nil) flIpamIPRange := opts.NewListOpts(nil) flIpamGateway := opts.NewListOpts(nil) flIpamAux := opts.NewMapOpts(nil, nil) cmd.Var(&flIpamSubnet, []string{"-subnet"}, "subnet in CIDR format that represents a network segment") cmd.Var(&flIpamIPRange, []string{"-ip-range"}, "allocate container ip from a sub-range") cmd.Var(&flIpamGateway, []string{"-gateway"}, "ipv4 or ipv6 Gateway for the master subnet") cmd.Var(flIpamAux, []string{"-aux-address"}, "auxiliary ipv4 or ipv6 addresses used by Network driver") cmd.Var(flOpts, []string{"o", "-opt"}, "set driver specific options") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } // Set the default driver to "" if the user didn't set the value. // That way we can know whether it was user input or not. driver := *flDriver if !cmd.IsSet("-driver") && !cmd.IsSet("d") { driver = "" } ipamCfg, err := consolidateIpam(flIpamSubnet.GetAll(), flIpamIPRange.GetAll(), flIpamGateway.GetAll(), flIpamAux.GetAll()) if err != nil { return err } // Construct network create request body nc := types.NetworkCreate{ Name: cmd.Arg(0), Driver: driver, IPAM: network.IPAM{Driver: *flIpamDriver, Config: ipamCfg}, Options: flOpts.GetAll(), CheckDuplicate: true, } obj, _, err := readBody(cli.call("POST", "/networks/create", nc, nil)) if err != nil { return err } var resp types.NetworkCreateResponse err = json.Unmarshal(obj, &resp) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", resp.ID) return nil }
// CmdVolumeCreate creates a new container from a given image. // // Usage: docker volume create [OPTIONS] func (cli *DockerCli) CmdVolumeCreate(args ...string) error { cmd := Cli.Subcmd("volume create", nil, "Create a volume", true) flDriver := cmd.String([]string{"d", "-driver"}, "local", "Specify volume driver name") flName := cmd.String([]string{"-name"}, "", "Specify volume name") flDriverOpts := opts.NewMapOpts(nil, nil) cmd.Var(flDriverOpts, []string{"o", "-opt"}, "Set driver specific options") cmd.Require(flag.Exact, 0) cmd.ParseFlags(args, true) volReq := &types.VolumeCreateRequest{ Driver: *flDriver, DriverOpts: flDriverOpts.GetAll(), } if *flName != "" { volReq.Name = *flName } resp, err := cli.call("POST", "/volumes", volReq, nil) if err != nil { return err } var vol types.Volume if err := json.NewDecoder(resp.body).Decode(&vol); err != nil { return err } fmt.Fprintf(cli.out, "%s\n", vol.Name) return nil }
// CmdVolumeCreate creates a new volume. // // Usage: docker volume create [OPTIONS] func (cli *DockerCli) CmdVolumeCreate(args ...string) error { cmd := Cli.Subcmd("volume create", nil, "Create a volume", true) flDriver := cmd.String([]string{"d", "-driver"}, "local", "Specify volume driver name") flName := cmd.String([]string{"-name"}, "", "Specify volume name") flDriverOpts := opts.NewMapOpts(nil, nil) cmd.Var(flDriverOpts, []string{"o", "-opt"}, "Set driver specific options") cmd.Require(flag.Exact, 0) cmd.ParseFlags(args, true) volReq := types.VolumeCreateRequest{ Driver: *flDriver, DriverOpts: flDriverOpts.GetAll(), Name: *flName, } vol, err := cli.client.VolumeCreate(context.Background(), volReq) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", vol.Name) return nil }
// InstallCommonFlags adds command-line options to the top-level flag parser for // the current process. // Subsequent calls to `flag.Parse` will populate config with values parsed // from the command-line. func (config *Config) InstallCommonFlags(cmd *flag.FlagSet, usageFn func(string) string) { cmd.Var(opts.NewListOptsRef(&config.GraphOptions, nil), []string{"-storage-opt"}, usageFn("Set storage driver options")) cmd.Var(opts.NewListOptsRef(&config.ExecOptions, nil), []string{"-exec-opt"}, usageFn("Set exec driver options")) cmd.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, defaultPidFile, usageFn("Path to use for daemon PID file")) cmd.StringVar(&config.Root, []string{"g", "-graph"}, defaultGraph, usageFn("Root of the Docker runtime")) cmd.StringVar(&config.ExecRoot, []string{"-exec-root"}, "/var/run/docker", usageFn("Root of the Docker execdriver")) cmd.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, usageFn("--restart on the daemon has been deprecated in favor of --restart policies on docker run")) cmd.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", usageFn("Storage driver to use")) cmd.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, usageFn("Set the containers network MTU")) // FIXME: why the inconsistency between "hosts" and "sockets"? cmd.Var(opts.NewListOptsRef(&config.DNS, opts.ValidateIPAddress), []string{"#dns", "-dns"}, usageFn("DNS server to use")) cmd.Var(opts.NewListOptsRef(&config.DNSSearch, opts.ValidateDNSSearch), []string{"-dns-search"}, usageFn("DNS search domains to use")) cmd.Var(opts.NewListOptsRef(&config.Labels, opts.ValidateLabel), []string{"-label"}, usageFn("Set key=value labels to the daemon")) cmd.StringVar(&config.LogConfig.Type, []string{"-log-driver"}, "json-file", usageFn("Default driver for container logs")) cmd.Var(opts.NewMapOpts(config.LogConfig.Config, nil), []string{"-log-opt"}, usageFn("Set log driver options")) cmd.StringVar(&config.ClusterAdvertise, []string{"-cluster-advertise"}, "", usageFn("Address or interface name to advertise")) cmd.StringVar(&config.ClusterStore, []string{"-cluster-store"}, "", usageFn("Set the cluster store")) cmd.Var(opts.NewMapOpts(config.ClusterOpts, nil), []string{"-cluster-store-opt"}, usageFn("Set cluster store options")) }
// 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. 172.30.100.104)") 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") flags.MarkHidden("net") // 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") flags.MarkHidden("net-alias") // 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 }
// 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) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig, *flag.FlagSet, error) { var ( // FIXME: use utils.ListOpts for attach and volumes? flAttach = opts.NewListOpts(ValidateAttach) flVolumes = opts.NewListOpts(nil) flTmpfs = opts.NewListOpts(nil) flBlkioWeightDevice = NewWeightdeviceOpt(ValidateWeightDevice) flDeviceReadBps = NewThrottledeviceOpt(ValidateThrottleBpsDevice) flDeviceWriteBps = NewThrottledeviceOpt(ValidateThrottleBpsDevice) flLinks = opts.NewListOpts(ValidateLink) flAliases = opts.NewListOpts(nil) flDeviceReadIOps = NewThrottledeviceOpt(ValidateThrottleIOpsDevice) flDeviceWriteIOps = NewThrottledeviceOpt(ValidateThrottleIOpsDevice) flEnv = opts.NewListOpts(ValidateEnv) flLabels = opts.NewListOpts(ValidateEnv) flDevices = opts.NewListOpts(ValidateDevice) flUlimits = NewUlimitOpt(nil) flSysctls = opts.NewMapOpts(nil, opts.ValidateSysctl) 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(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) flStorageOpt = 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") flUsernsMode = cmd.String([]string{"-userns"}, "", "User 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") flOomScoreAdj = cmd.Int([]string{"-oom-score-adj"}, 0, "Tune host's OOM preferences (-1000 to 1000)") 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"}, "", "Swap limit equal to memory plus swap: '-1' to enable unlimited 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)") flCPUPercent = cmd.Int64([]string{"-cpu-percent"}, 0, "CPU percent (Windows only)") 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") flIOMaxBandwidth = cmd.String([]string{"-io-maxbandwidth"}, "", "Maximum IO bandwidth limit for the system drive (Windows only)") flIOMaxIOps = cmd.Uint64([]string{"-io-maxiops"}, 0, "Maximum IOps limit for the system drive (Windows only)") flSwappiness = cmd.Int64([]string{"-memory-swappiness"}, -1, "Tune container memory swappiness (0 to 100)") flNetMode = cmd.String([]string{"-net"}, "default", "Connect a container to a network") flMacAddress = cmd.String([]string{"-mac-address"}, "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)") flIPv4Address = cmd.String([]string{"-ip"}, "", "Container IPv4 address (e.g. 172.30.100.104)") flIPv6Address = cmd.String([]string{"-ip6"}, "", "Container IPv6 address (e.g. 2001:db8::33)") flIpcMode = cmd.String([]string{"-ipc"}, "", "IPC namespace to use") flPidsLimit = cmd.Int64([]string{"-pids-limit"}, 0, "Tune container pids limit (set -1 for unlimited)") 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 technology") 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(&flDeviceReadBps, []string{"-device-read-bps"}, "Limit read rate (bytes per second) from a device") cmd.Var(&flDeviceWriteBps, []string{"-device-write-bps"}, "Limit write rate (bytes per second) to a device") cmd.Var(&flDeviceReadIOps, []string{"-device-read-iops"}, "Limit read rate (IO per second) from a device") cmd.Var(&flDeviceWriteIOps, []string{"-device-write-iops"}, "Limit write rate (IO per second) to a device") cmd.Var(&flVolumes, []string{"v", "-volume"}, "Bind mount a volume") cmd.Var(&flTmpfs, []string{"-tmpfs"}, "Mount a tmpfs directory") cmd.Var(&flLinks, []string{"-link"}, "Add link to another container") cmd.Var(&flAliases, []string{"-net-alias"}, "Add network-scoped alias for the 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(&flStorageOpt, []string{"-storage-opt"}, "Set storage driver options per container") cmd.Var(flUlimits, []string{"-ulimit"}, "Ulimit options") cmd.Var(flSysctls, []string{"-sysctl"}, "Sysctl 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, 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 := ValidateMACAddress(*flMacAddress); err != nil { return nil, nil, nil, cmd, fmt.Errorf("%s is not a valid mac address", *flMacAddress) } } if *flStdin { attachStdin = true } // If -a is not set, attach to stdout and stderr 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, nil, cmd, err } } var MemoryReservation int64 if *flMemoryReservation != "" { MemoryReservation, err = units.RAMInBytes(*flMemoryReservation) if err != nil { return nil, 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, nil, cmd, err } } } var KernelMemory int64 if *flKernelMemory != "" { KernelMemory, err = units.RAMInBytes(*flKernelMemory) if err != nil { return nil, nil, nil, cmd, err } } swappiness := *flSwappiness if swappiness != -1 && (swappiness < 0 || swappiness > 100) { return nil, nil, nil, cmd, fmt.Errorf("invalid value: %d. Valid memory swappiness range is 0-100", swappiness) } var shmSize int64 if *flShmSize != "" { shmSize, err = units.RAMInBytes(*flShmSize) if err != nil { return nil, nil, nil, cmd, err } } // TODO FIXME units.RAMInBytes should have a uint64 version var maxIOBandwidth int64 if *flIOMaxBandwidth != "" { maxIOBandwidth, err = units.RAMInBytes(*flIOMaxBandwidth) if err != nil { return nil, nil, nil, cmd, err } if maxIOBandwidth < 0 { return nil, nil, nil, cmd, fmt.Errorf("invalid value: %s. Maximum IO Bandwidth must be positive", *flIOMaxBandwidth) } } var binds []string // add any bind targets to the list of container volumes for bind := range flVolumes.GetMap() { if arr := volumeSplitN(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) } } // Can't evaluate options passed into --tmpfs until we actually mount tmpfs := make(map[string]string) for _, t := range flTmpfs.GetAll() { if arr := strings.SplitN(t, ":", 2); len(arr) > 1 { if _, _, err := mount.ParseTmpfsOptions(arr[1]); err != nil { return nil, nil, nil, cmd, err } tmpfs[arr[0]] = arr[1] } else { tmpfs[arr[0]] = "" } } var ( parsedArgs = cmd.Args() runCmd strslice.StrSlice entrypoint strslice.StrSlice image = cmd.Arg(0) ) if len(parsedArgs) > 1 { runCmd = strslice.StrSlice(parsedArgs[1:]) } if *flEntrypoint != "" { entrypoint = strslice.StrSlice{*flEntrypoint} } // Validate if the given hostname is RFC 1123 (https://tools.ietf.org/html/rfc1123) compliant. hostname := *flHostname if hostname != "" { // Linux hostname is limited to HOST_NAME_MAX=64, not including the terminating null byte. matched, _ := regexp.MatchString("^(([[:alnum:]]|[[:alnum:]][[:alnum:]\\-]*[[:alnum:]])\\.)*([[:alnum:]]|[[:alnum:]][[:alnum:]\\-]*[[:alnum:]])$", hostname) if len(hostname) > 64 || !matched { return nil, nil, nil, cmd, fmt.Errorf("invalid hostname format for --hostname: %s", hostname) } } ports, portBindings, err := nat.ParsePortSpecs(flPublish.GetAll()) if err != nil { return nil, 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, 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 := nat.ParsePortRange(port) if err != nil { return nil, 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, nil, cmd, err } if _, exists := ports[p]; !exists { ports[p] = struct{}{} } } } // parse device mappings deviceMappings := []container.DeviceMapping{} for _, device := range flDevices.GetAll() { deviceMapping, err := ParseDevice(device) if err != nil { return nil, 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, nil, cmd, err } // collect all the labels for the container labels, err := readKVStrings(flLabelsFile.GetAll(), flLabels.GetAll()) if err != nil { return nil, nil, nil, cmd, err } ipcMode := container.IpcMode(*flIpcMode) if !ipcMode.Valid() { return nil, nil, nil, cmd, fmt.Errorf("--ipc: invalid IPC mode") } pidMode := container.PidMode(*flPidMode) if !pidMode.Valid() { return nil, nil, nil, cmd, fmt.Errorf("--pid: invalid PID mode") } utsMode := container.UTSMode(*flUTSMode) if !utsMode.Valid() { return nil, nil, nil, cmd, fmt.Errorf("--uts: invalid UTS mode") } usernsMode := container.UsernsMode(*flUsernsMode) if !usernsMode.Valid() { return nil, nil, nil, cmd, fmt.Errorf("--userns: invalid USER mode") } restartPolicy, err := ParseRestartPolicy(*flRestartPolicy) if err != nil { return nil, nil, nil, cmd, err } loggingOpts, err := parseLoggingOpts(*flLoggingDriver, flLoggingOpts.GetAll()) if err != nil { return nil, nil, nil, cmd, err } securityOpts, err := parseSecurityOpts(flSecurityOpt.GetAll()) if err != nil { return nil, nil, nil, cmd, err } storageOpts, err := parseStorageOpts(flStorageOpt.GetAll()) if err != nil { return nil, nil, nil, cmd, err } resources := container.Resources{ CgroupParent: *flCgroupParent, Memory: flMemory, MemoryReservation: MemoryReservation, MemorySwap: memorySwap, MemorySwappiness: flSwappiness, KernelMemory: KernelMemory, OomKillDisable: flOomKillDisable, CPUPercent: *flCPUPercent, CPUShares: *flCPUShares, CPUPeriod: *flCPUPeriod, CpusetCpus: *flCpusetCpus, CpusetMems: *flCpusetMems, CPUQuota: *flCPUQuota, PidsLimit: *flPidsLimit, BlkioWeight: *flBlkioWeight, BlkioWeightDevice: flBlkioWeightDevice.GetList(), BlkioDeviceReadBps: flDeviceReadBps.GetList(), BlkioDeviceWriteBps: flDeviceWriteBps.GetList(), BlkioDeviceReadIOps: flDeviceReadIOps.GetList(), BlkioDeviceWriteIOps: flDeviceWriteIOps.GetList(), IOMaximumIOps: *flIOMaxIOps, IOMaximumBandwidth: uint64(maxIOBandwidth), 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, StorageOpt: storageOpts, ReadonlyRootfs: *flReadonlyRootfs, LogConfig: container.LogConfig{Type: *flLoggingDriver, Config: loggingOpts}, VolumeDriver: *flVolumeDriver, Isolation: container.Isolation(*flIsolation), ShmSize: shmSize, Resources: resources, Tmpfs: tmpfs, Sysctls: flSysctls.GetAll(), } // 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 *flIPv4Address != "" || *flIPv6Address != "" { networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = &networktypes.EndpointSettings{ IPAMConfig: &networktypes.EndpointIPAMConfig{ IPv4Address: *flIPv4Address, IPv6Address: *flIPv6Address, }, } } 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 flAliases.Len() > 0 { epConfig := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] if epConfig == nil { epConfig = &networktypes.EndpointSettings{} } epConfig.Aliases = make([]string, flAliases.Len()) copy(epConfig.Aliases, flAliases.GetAll()) networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig } return config, hostConfig, networkingConfig, cmd, nil }
// AddFlags adds all command line flags that will be used by Parse to the FlagSet func AddFlags(flags *pflag.FlagSet) *ContainerOptions { copts := &ContainerOptions{ flAttach: opts.NewListOpts(ValidateAttach), flVolumes: opts.NewListOpts(nil), flTmpfs: opts.NewListOpts(nil), flBlkioWeightDevice: NewWeightdeviceOpt(ValidateWeightDevice), flDeviceReadBps: NewThrottledeviceOpt(ValidateThrottleBpsDevice), flDeviceWriteBps: NewThrottledeviceOpt(ValidateThrottleBpsDevice), flLinks: opts.NewListOpts(ValidateLink), flAliases: opts.NewListOpts(nil), flDeviceReadIOps: NewThrottledeviceOpt(ValidateThrottleIOpsDevice), flDeviceWriteIOps: NewThrottledeviceOpt(ValidateThrottleIOpsDevice), flEnv: opts.NewListOpts(ValidateEnv), flLabels: opts.NewListOpts(ValidateEnv), flDevices: opts.NewListOpts(ValidateDevice), flUlimits: NewUlimitOpt(nil), flSysctls: opts.NewMapOpts(nil, opts.ValidateSysctl), 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(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), flStorageOpt: opts.NewListOpts(nil), flLabelsFile: opts.NewListOpts(nil), flLoggingOpts: opts.NewListOpts(nil), flPrivileged: flags.Bool("privileged", false, "Give extended privileges to this container"), flPidMode: flags.String("pid", "", "PID namespace to use"), flUTSMode: flags.String("uts", "", "UTS namespace to use"), flUsernsMode: flags.String("userns", "", "User namespace to use"), flPublishAll: flags.BoolP("publish-all", "P", false, "Publish all exposed ports to random ports"), flStdin: flags.BoolP("interactive", "i", false, "Keep STDIN open even if not attached"), flTty: flags.BoolP("tty", "t", false, "Allocate a pseudo-TTY"), flOomKillDisable: flags.Bool("oom-kill-disable", false, "Disable OOM Killer"), flOomScoreAdj: flags.Int("oom-score-adj", 0, "Tune host's OOM preferences (-1000 to 1000)"), flContainerIDFile: flags.String("cidfile", "", "Write the container ID to the file"), flEntrypoint: flags.String("entrypoint", "", "Overwrite the default ENTRYPOINT of the image"), flHostname: flags.StringP("hostname", "h", "", "Container host name"), flMemoryString: flags.StringP("memory", "m", "", "Memory limit"), flMemoryReservation: flags.String("memory-reservation", "", "Memory soft limit"), flMemorySwap: flags.String("memory-swap", "", "Swap limit equal to memory plus swap: '-1' to enable unlimited swap"), flKernelMemory: flags.String("kernel-memory", "", "Kernel memory limit"), flUser: flags.StringP("user", "u", "", "Username or UID (format: <name|uid>[:<group|gid>])"), flWorkingDir: flags.StringP("workdir", "w", "", "Working directory inside the container"), flCPUShares: flags.Int64P("cpu-shares", "c", 0, "CPU shares (relative weight)"), flCPUPercent: flags.Int64("cpu-percent", 0, "CPU percent (Windows only)"), flCPUPeriod: flags.Int64("cpu-period", 0, "Limit CPU CFS (Completely Fair Scheduler) period"), flCPUQuota: flags.Int64("cpu-quota", 0, "Limit CPU CFS (Completely Fair Scheduler) quota"), flCpusetCpus: flags.String("cpuset-cpus", "", "CPUs in which to allow execution (0-3, 0,1)"), flCpusetMems: flags.String("cpuset-mems", "", "MEMs in which to allow execution (0-3, 0,1)"), flBlkioWeight: flags.Uint16("blkio-weight", 0, "Block IO (relative weight), between 10 and 1000"), flIOMaxBandwidth: flags.String("io-maxbandwidth", "", "Maximum IO bandwidth limit for the system drive (Windows only)"), flIOMaxIOps: flags.Uint64("io-maxiops", 0, "Maximum IOps limit for the system drive (Windows only)"), flSwappiness: flags.Int64("memory-swappiness", -1, "Tune container memory swappiness (0 to 100)"), flNetMode: flags.String("net", "default", "Connect a container to a network"), flMacAddress: flags.String("mac-address", "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)"), flIPv4Address: flags.String("ip", "", "Container IPv4 address (e.g. 172.30.100.104)"), flIPv6Address: flags.String("ip6", "", "Container IPv6 address (e.g. 2001:db8::33)"), flIpcMode: flags.String("ipc", "", "IPC namespace to use"), flPidsLimit: flags.Int64("pids-limit", 0, "Tune container pids limit (set -1 for unlimited)"), flRestartPolicy: flags.String("restart", "no", "Restart policy to apply when a container exits"), flReadonlyRootfs: flags.Bool("read-only", false, "Mount the container's root filesystem as read only"), flLoggingDriver: flags.String("log-driver", "", "Logging driver for container"), flCgroupParent: flags.String("cgroup-parent", "", "Optional parent cgroup for the container"), flVolumeDriver: flags.String("volume-driver", "", "Optional volume driver for the container"), flStopSignal: flags.String("stop-signal", signal.DefaultStopSignal, fmt.Sprintf("Signal to stop a container, %v by default", signal.DefaultStopSignal)), flIsolation: flags.String("isolation", "", "Container isolation technology"), flShmSize: flags.String("shm-size", "", "Size of /dev/shm, default value is 64MB"), flNoHealthcheck: flags.Bool("no-healthcheck", false, "Disable any container-specified HEALTHCHECK"), flHealthCmd: flags.String("health-cmd", "", "Command to run to check health"), flHealthInterval: flags.Duration("health-interval", 0, "Time between running the check"), flHealthTimeout: flags.Duration("health-timeout", 0, "Maximum time to allow one check to run"), flHealthRetries: flags.Int("health-retries", 0, "Consecutive failures needed to report unhealthy"), flRuntime: flags.String("runtime", "", "Runtime to use for this container"), } flags.VarP(&copts.flAttach, "attach", "a", "Attach to STDIN, STDOUT or STDERR") flags.Var(&copts.flBlkioWeightDevice, "blkio-weight-device", "Block IO weight (relative device weight)") flags.Var(&copts.flDeviceReadBps, "device-read-bps", "Limit read rate (bytes per second) from a device") flags.Var(&copts.flDeviceWriteBps, "device-write-bps", "Limit write rate (bytes per second) to a device") flags.Var(&copts.flDeviceReadIOps, "device-read-iops", "Limit read rate (IO per second) from a device") flags.Var(&copts.flDeviceWriteIOps, "device-write-iops", "Limit write rate (IO per second) to a device") flags.VarP(&copts.flVolumes, "volume", "v", "Bind mount a volume") flags.Var(&copts.flTmpfs, "tmpfs", "Mount a tmpfs directory") flags.Var(&copts.flLinks, "link", "Add link to another container") flags.Var(&copts.flAliases, "net-alias", "Add network-scoped alias for the container") flags.Var(&copts.flDevices, "device", "Add a host device to the container") flags.VarP(&copts.flLabels, "label", "l", "Set meta data on a container") flags.Var(&copts.flLabelsFile, "label-file", "Read in a line delimited file of labels") flags.VarP(&copts.flEnv, "env", "e", "Set environment variables") flags.Var(&copts.flEnvFile, "env-file", "Read in a file of environment variables") flags.VarP(&copts.flPublish, "publish", "p", "Publish a container's port(s) to the host") flags.Var(&copts.flExpose, "expose", "Expose a port or a range of ports") flags.Var(&copts.flDNS, "dns", "Set custom DNS servers") flags.Var(&copts.flDNSSearch, "dns-search", "Set custom DNS search domains") flags.Var(&copts.flDNSOptions, "dns-opt", "Set DNS options") flags.Var(&copts.flExtraHosts, "add-host", "Add a custom host-to-IP mapping (host:ip)") flags.Var(&copts.flVolumesFrom, "volumes-from", "Mount volumes from the specified container(s)") flags.Var(&copts.flCapAdd, "cap-add", "Add Linux capabilities") flags.Var(&copts.flCapDrop, "cap-drop", "Drop Linux capabilities") flags.Var(&copts.flGroupAdd, "group-add", "Add additional groups to join") flags.Var(&copts.flSecurityOpt, "security-opt", "Security Options") flags.Var(&copts.flStorageOpt, "storage-opt", "Set storage driver options per container") flags.Var(copts.flUlimits, "ulimit", "Ulimit options") flags.Var(copts.flSysctls, "sysctl", "Sysctl options") flags.Var(&copts.flLoggingOpts, "log-opt", "Log driver options") return copts }