func printContainerSpec(out io.Writer, containerSpec swarm.ContainerSpec) {
fmt.Fprintf(out, " Image:\t\t%s\n", containerSpec.Image)
if len(containerSpec.Command) > 0 {
fmt.Fprintf(out, " Command:\t%s\n", strings.Join(containerSpec.Command, " "))
}
if len(containerSpec.Args) > 0 {
fmt.Fprintf(out, " Args:\t%s\n", strings.Join(containerSpec.Args, " "))
}
if len(containerSpec.Env) > 0 {
fmt.Fprintf(out, " Env:\t\t%s\n", strings.Join(containerSpec.Env, " "))
}
ioutils.FprintfIfNotEmpty(out, " Dir\t\t%s\n", containerSpec.Dir)
ioutils.FprintfIfNotEmpty(out, " User\t\t%s\n", containerSpec.User)
}
func printContainerSpec(out io.Writer, containerSpec swarm.ContainerSpec) {
fmt.Fprintf(out, " Image:\t\t%s\n", containerSpec.Image)
if len(containerSpec.Args) > 0 {
fmt.Fprintf(out, " Args:\t\t%s\n", strings.Join(containerSpec.Args, " "))
}
if len(containerSpec.Env) > 0 {
fmt.Fprintf(out, " Env:\t\t%s\n", strings.Join(containerSpec.Env, " "))
}
ioutils.FprintfIfNotEmpty(out, " Dir\t\t%s\n", containerSpec.Dir)
ioutils.FprintfIfNotEmpty(out, " User\t\t%s\n", containerSpec.User)
if len(containerSpec.Mounts) > 0 {
fmt.Fprintln(out, " Mounts:")
for _, v := range containerSpec.Mounts {
fmt.Fprintf(out, " Target = %s\n", v.Target)
fmt.Fprintf(out, " Source = %s\n", v.Source)
fmt.Fprintf(out, " ReadOnly = %v\n", v.ReadOnly)
fmt.Fprintf(out, " Type = %v\n", v.Type)
}
}
}
// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
cmd := cli.Subcmd("info", nil, "Display system-wide information", true)
cmd.Require(flag.Exact, 0)
cmd.ParseFlags(args, true)
rdr, _, _, err := cli.call("GET", "/info", nil, nil)
if err != nil {
return err
}
defer rdr.Close()
info := &types.Info{}
if err := json.NewDecoder(rdr).Decode(info); err != nil {
return fmt.Errorf("Error reading remote info: %v", err)
}
fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
if info.DriverStatus != nil {
for _, pair := range info.DriverStatus {
fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
}
}
ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)
if info.Debug {
fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
fmt.Fprintf(cli.out, "File Descriptors: %d\n", info.NFd)
fmt.Fprintf(cli.out, "Goroutines: %d\n", info.NGoroutines)
fmt.Fprintf(cli.out, "System Time: %s\n", info.SystemTime)
fmt.Fprintf(cli.out, "EventsListeners: %d\n", info.NEventsListener)
fmt.Fprintf(cli.out, "Init SHA1: %s\n", info.InitSha1)
fmt.Fprintf(cli.out, "Init Path: %s\n", info.InitPath)
fmt.Fprintf(cli.out, "Docker Root Dir: %s\n", info.DockerRootDir)
}
ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HttpProxy)
ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HttpsProxy)
ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)
if info.IndexServerAddress != "" {
u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
if len(u) > 0 {
fmt.Fprintf(cli.out, "Username: %v\n", u)
fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
}
}
if !info.MemoryLimit {
fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
}
if !info.SwapLimit {
fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
}
if !info.IPv4Forwarding {
fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n")
}
if !info.BridgeNfIptables {
fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-iptables is disabled\n")
}
if !info.BridgeNfIp6tables {
fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled\n")
}
if info.Labels != nil {
fmt.Fprintln(cli.out, "Labels:")
for _, attribute := range info.Labels {
fmt.Fprintf(cli.out, " %s\n", attribute)
}
}
if info.ExperimentalBuild {
fmt.Fprintf(cli.out, "Experimental: true\n")
}
return nil
}
func prettyPrintInfo(dockerCli *client.DockerCli, info types.Info) error {
fmt.Fprintf(dockerCli.Out(), "Containers: %d\n", info.Containers)
fmt.Fprintf(dockerCli.Out(), " Running: %d\n", info.ContainersRunning)
fmt.Fprintf(dockerCli.Out(), " Paused: %d\n", info.ContainersPaused)
fmt.Fprintf(dockerCli.Out(), " Stopped: %d\n", info.ContainersStopped)
fmt.Fprintf(dockerCli.Out(), "Images: %d\n", info.Images)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Server Version: %s\n", info.ServerVersion)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Storage Driver: %s\n", info.Driver)
if info.DriverStatus != nil {
for _, pair := range info.DriverStatus {
fmt.Fprintf(dockerCli.Out(), " %s: %s\n", pair[0], pair[1])
// print a warning if devicemapper is using a loopback file
if pair[0] == "Data loop file" {
fmt.Fprintln(dockerCli.Err(), " WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.")
}
}
}
if info.SystemStatus != nil {
for _, pair := range info.SystemStatus {
fmt.Fprintf(dockerCli.Out(), "%s: %s\n", pair[0], pair[1])
}
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Logging Driver: %s\n", info.LoggingDriver)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Cgroup Driver: %s\n", info.CgroupDriver)
fmt.Fprintf(dockerCli.Out(), "Plugins: \n")
fmt.Fprintf(dockerCli.Out(), " Volume:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Volume, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
fmt.Fprintf(dockerCli.Out(), " Network:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Network, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
if len(info.Plugins.Authorization) != 0 {
fmt.Fprintf(dockerCli.Out(), " Authorization:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Authorization, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
}
fmt.Fprintf(dockerCli.Out(), "Swarm: %v\n", info.Swarm.LocalNodeState)
if info.Swarm.LocalNodeState != swarm.LocalNodeStateInactive {
fmt.Fprintf(dockerCli.Out(), " NodeID: %s\n", info.Swarm.NodeID)
if info.Swarm.Error != "" {
fmt.Fprintf(dockerCli.Out(), " Error: %v\n", info.Swarm.Error)
}
fmt.Fprintf(dockerCli.Out(), " Is Manager: %v\n", info.Swarm.ControlAvailable)
if info.Swarm.ControlAvailable {
fmt.Fprintf(dockerCli.Out(), " ClusterID: %s\n", info.Swarm.Cluster.ID)
fmt.Fprintf(dockerCli.Out(), " Managers: %d\n", info.Swarm.Managers)
fmt.Fprintf(dockerCli.Out(), " Nodes: %d\n", info.Swarm.Nodes)
fmt.Fprintf(dockerCli.Out(), " Orchestration:\n")
fmt.Fprintf(dockerCli.Out(), " Task History Retention Limit: %d\n", info.Swarm.Cluster.Spec.Orchestration.TaskHistoryRetentionLimit)
fmt.Fprintf(dockerCli.Out(), " Raft:\n")
fmt.Fprintf(dockerCli.Out(), " Snapshot Interval: %d\n", info.Swarm.Cluster.Spec.Raft.SnapshotInterval)
fmt.Fprintf(dockerCli.Out(), " Heartbeat Tick: %d\n", info.Swarm.Cluster.Spec.Raft.HeartbeatTick)
fmt.Fprintf(dockerCli.Out(), " Election Tick: %d\n", info.Swarm.Cluster.Spec.Raft.ElectionTick)
fmt.Fprintf(dockerCli.Out(), " Dispatcher:\n")
fmt.Fprintf(dockerCli.Out(), " Heartbeat Period: %s\n", units.HumanDuration(time.Duration(info.Swarm.Cluster.Spec.Dispatcher.HeartbeatPeriod)))
fmt.Fprintf(dockerCli.Out(), " CA Configuration:\n")
fmt.Fprintf(dockerCli.Out(), " Expiry Duration: %s\n", units.HumanDuration(info.Swarm.Cluster.Spec.CAConfig.NodeCertExpiry))
if len(info.Swarm.Cluster.Spec.CAConfig.ExternalCAs) > 0 {
fmt.Fprintf(dockerCli.Out(), " External CAs:\n")
for _, entry := range info.Swarm.Cluster.Spec.CAConfig.ExternalCAs {
fmt.Fprintf(dockerCli.Out(), " %s: %s\n", entry.Protocol, entry.URL)
}
}
}
fmt.Fprintf(dockerCli.Out(), " Node Address: %s\n", info.Swarm.NodeAddr)
}
if len(info.Runtimes) > 0 {
fmt.Fprintf(dockerCli.Out(), "Runtimes:")
for name := range info.Runtimes {
fmt.Fprintf(dockerCli.Out(), " %s", name)
}
fmt.Fprint(dockerCli.Out(), "\n")
fmt.Fprintf(dockerCli.Out(), "Default Runtime: %s\n", info.DefaultRuntime)
}
fmt.Fprintf(dockerCli.Out(), "Security Options:")
ioutils.FprintfIfNotEmpty(dockerCli.Out(), " %s", strings.Join(info.SecurityOptions, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Kernel Version: %s\n", info.KernelVersion)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Operating System: %s\n", info.OperatingSystem)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "OSType: %s\n", info.OSType)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Architecture: %s\n", info.Architecture)
fmt.Fprintf(dockerCli.Out(), "CPUs: %d\n", info.NCPU)
fmt.Fprintf(dockerCli.Out(), "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Name: %s\n", info.Name)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "ID: %s\n", info.ID)
fmt.Fprintf(dockerCli.Out(), "Docker Root Dir: %s\n", info.DockerRootDir)
fmt.Fprintf(dockerCli.Out(), "Debug Mode (client): %v\n", utils.IsDebugEnabled())
fmt.Fprintf(dockerCli.Out(), "Debug Mode (server): %v\n", info.Debug)
if info.Debug {
fmt.Fprintf(dockerCli.Out(), " File Descriptors: %d\n", info.NFd)
fmt.Fprintf(dockerCli.Out(), " Goroutines: %d\n", info.NGoroutines)
fmt.Fprintf(dockerCli.Out(), " System Time: %s\n", info.SystemTime)
fmt.Fprintf(dockerCli.Out(), " EventsListeners: %d\n", info.NEventsListener)
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Http Proxy: %s\n", info.HTTPProxy)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Https Proxy: %s\n", info.HTTPSProxy)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "No Proxy: %s\n", info.NoProxy)
if info.IndexServerAddress != "" {
u := dockerCli.ConfigFile().AuthConfigs[info.IndexServerAddress].Username
if len(u) > 0 {
fmt.Fprintf(dockerCli.Out(), "Username: %v\n", u)
}
fmt.Fprintf(dockerCli.Out(), "Registry: %v\n", info.IndexServerAddress)
}
// Only output these warnings if the server does not support these features
if info.OSType != "windows" {
if !info.MemoryLimit {
fmt.Fprintln(dockerCli.Err(), "WARNING: No memory limit support")
}
if !info.SwapLimit {
fmt.Fprintln(dockerCli.Err(), "WARNING: No swap limit support")
}
if !info.KernelMemory {
fmt.Fprintln(dockerCli.Err(), "WARNING: No kernel memory limit support")
}
if !info.OomKillDisable {
fmt.Fprintln(dockerCli.Err(), "WARNING: No oom kill disable support")
}
if !info.CPUCfsQuota {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs quota support")
}
if !info.CPUCfsPeriod {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs period support")
}
if !info.CPUShares {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu shares support")
}
if !info.CPUSet {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpuset support")
}
if !info.IPv4Forwarding {
fmt.Fprintln(dockerCli.Err(), "WARNING: IPv4 forwarding is disabled")
}
if !info.BridgeNfIptables {
fmt.Fprintln(dockerCli.Err(), "WARNING: bridge-nf-call-iptables is disabled")
}
if !info.BridgeNfIP6tables {
fmt.Fprintln(dockerCli.Err(), "WARNING: bridge-nf-call-ip6tables is disabled")
}
}
if info.Labels != nil {
fmt.Fprintln(dockerCli.Out(), "Labels:")
for _, attribute := range info.Labels {
fmt.Fprintf(dockerCli.Out(), " %s\n", attribute)
}
}
ioutils.FprintfIfTrue(dockerCli.Out(), "Experimental: %v\n", info.ExperimentalBuild)
if info.ClusterStore != "" {
fmt.Fprintf(dockerCli.Out(), "Cluster Store: %s\n", info.ClusterStore)
}
if info.ClusterAdvertise != "" {
fmt.Fprintf(dockerCli.Out(), "Cluster Advertise: %s\n", info.ClusterAdvertise)
}
if info.RegistryConfig != nil && (len(info.RegistryConfig.InsecureRegistryCIDRs) > 0 || len(info.RegistryConfig.IndexConfigs) > 0) {
fmt.Fprintln(dockerCli.Out(), "Insecure Registries:")
for _, registry := range info.RegistryConfig.IndexConfigs {
if registry.Secure == false {
fmt.Fprintf(dockerCli.Out(), " %s\n", registry.Name)
}
}
for _, registry := range info.RegistryConfig.InsecureRegistryCIDRs {
mask, _ := registry.Mask.Size()
fmt.Fprintf(dockerCli.Out(), " %s/%d\n", registry.IP.String(), mask)
}
}
if info.RegistryConfig != nil && len(info.RegistryConfig.Mirrors) > 0 {
fmt.Fprintln(dockerCli.Out(), "Registry Mirrors:")
for _, mirror := range info.RegistryConfig.Mirrors {
fmt.Fprintf(dockerCli.Out(), " %s\n", mirror)
}
}
fmt.Fprintf(dockerCli.Out(), "Live Restore Enabled: %v\n", info.LiveRestoreEnabled)
return nil
}
// TODO: use a template
func printNode(out io.Writer, node swarm.Node) {
fmt.Fprintf(out, "ID:\t\t\t%s\n", node.ID)
ioutils.FprintfIfNotEmpty(out, "Name:\t\t\t%s\n", node.Spec.Name)
if node.Spec.Labels != nil {
fmt.Fprintln(out, "Labels:")
for k, v := range node.Spec.Labels {
fmt.Fprintf(out, " - %s = %s\n", k, v)
}
}
ioutils.FprintfIfNotEmpty(out, "Hostname:\t\t%s\n", node.Description.Hostname)
fmt.Fprintln(out, "Status:")
fmt.Fprintf(out, " State:\t\t\t%s\n", client.PrettyPrint(node.Status.State))
ioutils.FprintfIfNotEmpty(out, " Message:\t\t%s\n", client.PrettyPrint(node.Status.Message))
fmt.Fprintf(out, " Availability:\t\t%s\n", client.PrettyPrint(node.Spec.Availability))
if node.ManagerStatus != nil {
fmt.Fprintln(out, "Manager Status:")
fmt.Fprintf(out, " Address:\t\t%s\n", node.ManagerStatus.Addr)
fmt.Fprintf(out, " Raft Status:\t\t%s\n", client.PrettyPrint(node.ManagerStatus.Reachability))
leader := "No"
if node.ManagerStatus.Leader {
leader = "Yes"
}
fmt.Fprintf(out, " Leader:\t\t%s\n", leader)
}
fmt.Fprintln(out, "Platform:")
fmt.Fprintf(out, " Operating System:\t%s\n", node.Description.Platform.OS)
fmt.Fprintf(out, " Architecture:\t\t%s\n", node.Description.Platform.Architecture)
fmt.Fprintln(out, "Resources:")
fmt.Fprintf(out, " CPUs:\t\t\t%d\n", node.Description.Resources.NanoCPUs/1e9)
fmt.Fprintf(out, " Memory:\t\t%s\n", units.BytesSize(float64(node.Description.Resources.MemoryBytes)))
var pluginTypes []string
pluginNamesByType := map[string][]string{}
for _, p := range node.Description.Engine.Plugins {
// append to pluginTypes only if not done previously
if _, ok := pluginNamesByType[p.Type]; !ok {
pluginTypes = append(pluginTypes, p.Type)
}
pluginNamesByType[p.Type] = append(pluginNamesByType[p.Type], p.Name)
}
if len(pluginTypes) > 0 {
fmt.Fprintln(out, "Plugins:")
sort.Strings(pluginTypes) // ensure stable output
for _, pluginType := range pluginTypes {
fmt.Fprintf(out, " %s:\t\t%s\n", pluginType, strings.Join(pluginNamesByType[pluginType], ", "))
}
}
fmt.Fprintf(out, "Engine Version:\t\t%s\n", node.Description.Engine.EngineVersion)
if len(node.Description.Engine.Labels) != 0 {
fmt.Fprintln(out, "Engine Labels:")
for k, v := range node.Description.Engine.Labels {
fmt.Fprintf(out, " - %s = %s", k, v)
}
}
}
func runInfo(dockerCli *client.DockerCli) error {
info, err := dockerCli.Client().Info(context.Background())
if err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "Containers: %d\n", info.Containers)
fmt.Fprintf(dockerCli.Out(), " Running: %d\n", info.ContainersRunning)
fmt.Fprintf(dockerCli.Out(), " Paused: %d\n", info.ContainersPaused)
fmt.Fprintf(dockerCli.Out(), " Stopped: %d\n", info.ContainersStopped)
fmt.Fprintf(dockerCli.Out(), "Images: %d\n", info.Images)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Server Version: %s\n", info.ServerVersion)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Storage Driver: %s\n", info.Driver)
if info.DriverStatus != nil {
for _, pair := range info.DriverStatus {
fmt.Fprintf(dockerCli.Out(), " %s: %s\n", pair[0], pair[1])
// print a warning if devicemapper is using a loopback file
if pair[0] == "Data loop file" {
fmt.Fprintln(dockerCli.Err(), " WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.")
}
}
}
if info.SystemStatus != nil {
for _, pair := range info.SystemStatus {
fmt.Fprintf(dockerCli.Out(), "%s: %s\n", pair[0], pair[1])
}
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Execution Driver: %s\n", info.ExecutionDriver)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Logging Driver: %s\n", info.LoggingDriver)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Cgroup Driver: %s\n", info.CgroupDriver)
fmt.Fprintf(dockerCli.Out(), "Plugins: \n")
fmt.Fprintf(dockerCli.Out(), " Volume:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Volume, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
fmt.Fprintf(dockerCli.Out(), " Network:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Network, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
if len(info.Plugins.Authorization) != 0 {
fmt.Fprintf(dockerCli.Out(), " Authorization:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Authorization, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
}
fmt.Fprintf(dockerCli.Out(), "Swarm: %v\n", info.Swarm.LocalNodeState)
if info.Swarm.LocalNodeState != swarm.LocalNodeStateInactive {
fmt.Fprintf(dockerCli.Out(), " NodeID: %s\n", info.Swarm.NodeID)
if info.Swarm.Error != "" {
fmt.Fprintf(dockerCli.Out(), " Error: %v\n", info.Swarm.Error)
}
if info.Swarm.ControlAvailable {
fmt.Fprintf(dockerCli.Out(), " IsManager: Yes\n")
fmt.Fprintf(dockerCli.Out(), " Managers: %d\n", info.Swarm.Managers)
fmt.Fprintf(dockerCli.Out(), " Nodes: %d\n", info.Swarm.Nodes)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), " CACertHash: %s\n", info.Swarm.CACertHash)
} else {
fmt.Fprintf(dockerCli.Out(), " IsManager: No\n")
}
}
if len(info.Runtimes) > 0 {
fmt.Fprintf(dockerCli.Out(), "Runtimes:")
for name := range info.Runtimes {
fmt.Fprintf(dockerCli.Out(), " %s", name)
}
fmt.Fprint(dockerCli.Out(), "\n")
fmt.Fprintf(dockerCli.Out(), "Default Runtime: %s\n", info.DefaultRuntime)
}
fmt.Fprintf(dockerCli.Out(), "Security Options:")
ioutils.FprintfIfNotEmpty(dockerCli.Out(), " %s", strings.Join(info.SecurityOptions, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Kernel Version: %s\n", info.KernelVersion)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Operating System: %s\n", info.OperatingSystem)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "OSType: %s\n", info.OSType)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Architecture: %s\n", info.Architecture)
fmt.Fprintf(dockerCli.Out(), "CPUs: %d\n", info.NCPU)
fmt.Fprintf(dockerCli.Out(), "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Name: %s\n", info.Name)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "ID: %s\n", info.ID)
fmt.Fprintf(dockerCli.Out(), "Docker Root Dir: %s\n", info.DockerRootDir)
fmt.Fprintf(dockerCli.Out(), "Debug Mode (client): %v\n", utils.IsDebugEnabled())
fmt.Fprintf(dockerCli.Out(), "Debug Mode (server): %v\n", info.Debug)
if info.Debug {
fmt.Fprintf(dockerCli.Out(), " File Descriptors: %d\n", info.NFd)
fmt.Fprintf(dockerCli.Out(), " Goroutines: %d\n", info.NGoroutines)
fmt.Fprintf(dockerCli.Out(), " System Time: %s\n", info.SystemTime)
fmt.Fprintf(dockerCli.Out(), " EventsListeners: %d\n", info.NEventsListener)
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Http Proxy: %s\n", info.HTTPProxy)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Https Proxy: %s\n", info.HTTPSProxy)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "No Proxy: %s\n", info.NoProxy)
if info.IndexServerAddress != "" {
u := dockerCli.ConfigFile().AuthConfigs[info.IndexServerAddress].Username
if len(u) > 0 {
fmt.Fprintf(dockerCli.Out(), "Username: %v\n", u)
}
fmt.Fprintf(dockerCli.Out(), "Registry: %v\n", info.IndexServerAddress)
}
// Only output these warnings if the server does not support these features
if info.OSType != "windows" {
if !info.MemoryLimit {
fmt.Fprintln(dockerCli.Err(), "WARNING: No memory limit support")
}
if !info.SwapLimit {
fmt.Fprintln(dockerCli.Err(), "WARNING: No swap limit support")
}
if !info.KernelMemory {
fmt.Fprintln(dockerCli.Err(), "WARNING: No kernel memory limit support")
}
if !info.OomKillDisable {
fmt.Fprintln(dockerCli.Err(), "WARNING: No oom kill disable support")
}
if !info.CPUCfsQuota {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs quota support")
}
if !info.CPUCfsPeriod {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs period support")
}
if !info.CPUShares {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu shares support")
}
if !info.CPUSet {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpuset support")
}
if !info.IPv4Forwarding {
fmt.Fprintln(dockerCli.Err(), "WARNING: IPv4 forwarding is disabled")
}
if !info.BridgeNfIptables {
fmt.Fprintln(dockerCli.Err(), "WARNING: bridge-nf-call-iptables is disabled")
}
if !info.BridgeNfIP6tables {
fmt.Fprintln(dockerCli.Err(), "WARNING: bridge-nf-call-ip6tables is disabled")
}
}
if info.Labels != nil {
fmt.Fprintln(dockerCli.Out(), "Labels:")
for _, attribute := range info.Labels {
fmt.Fprintf(dockerCli.Out(), " %s\n", attribute)
}
}
ioutils.FprintfIfTrue(dockerCli.Out(), "Experimental: %v\n", info.ExperimentalBuild)
if info.ClusterStore != "" {
fmt.Fprintf(dockerCli.Out(), "Cluster Store: %s\n", info.ClusterStore)
}
if info.ClusterAdvertise != "" {
fmt.Fprintf(dockerCli.Out(), "Cluster Advertise: %s\n", info.ClusterAdvertise)
}
if info.RegistryConfig != nil && (len(info.RegistryConfig.InsecureRegistryCIDRs) > 0 || len(info.RegistryConfig.IndexConfigs) > 0) {
fmt.Fprintln(dockerCli.Out(), "Insecure Registries:")
for _, registry := range info.RegistryConfig.IndexConfigs {
if registry.Secure == false {
fmt.Fprintf(dockerCli.Out(), " %s\n", registry.Name)
}
}
for _, registry := range info.RegistryConfig.InsecureRegistryCIDRs {
mask, _ := registry.Mask.Size()
fmt.Fprintf(dockerCli.Out(), " %s/%d\n", registry.IP.String(), mask)
}
}
return nil
}
func prettyPrintInfo(dockerCli *command.DockerCli, info types.Info) error {
fmt.Fprintf(dockerCli.Out(), "Containers: %d\n", info.Containers)
fmt.Fprintf(dockerCli.Out(), " Running: %d\n", info.ContainersRunning)
fmt.Fprintf(dockerCli.Out(), " Paused: %d\n", info.ContainersPaused)
fmt.Fprintf(dockerCli.Out(), " Stopped: %d\n", info.ContainersStopped)
fmt.Fprintf(dockerCli.Out(), "Images: %d\n", info.Images)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Server Version: %s\n", info.ServerVersion)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Storage Driver: %s\n", info.Driver)
if info.DriverStatus != nil {
for _, pair := range info.DriverStatus {
fmt.Fprintf(dockerCli.Out(), " %s: %s\n", pair[0], pair[1])
// print a warning if devicemapper is using a loopback file
if pair[0] == "Data loop file" {
fmt.Fprintln(dockerCli.Err(), " WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.")
}
}
}
if info.SystemStatus != nil {
for _, pair := range info.SystemStatus {
fmt.Fprintf(dockerCli.Out(), "%s: %s\n", pair[0], pair[1])
}
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Logging Driver: %s\n", info.LoggingDriver)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Cgroup Driver: %s\n", info.CgroupDriver)
fmt.Fprintf(dockerCli.Out(), "Plugins: \n")
fmt.Fprintf(dockerCli.Out(), " Volume:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Volume, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
fmt.Fprintf(dockerCli.Out(), " Network:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Network, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
if len(info.Plugins.Authorization) != 0 {
fmt.Fprintf(dockerCli.Out(), " Authorization:")
fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Authorization, " "))
fmt.Fprintf(dockerCli.Out(), "\n")
}
fmt.Fprintf(dockerCli.Out(), "Swarm: %v\n", info.Swarm.LocalNodeState)
if info.Swarm.LocalNodeState != swarm.LocalNodeStateInactive && info.Swarm.LocalNodeState != swarm.LocalNodeStateLocked {
fmt.Fprintf(dockerCli.Out(), " NodeID: %s\n", info.Swarm.NodeID)
if info.Swarm.Error != "" {
fmt.Fprintf(dockerCli.Out(), " Error: %v\n", info.Swarm.Error)
}
fmt.Fprintf(dockerCli.Out(), " Is Manager: %v\n", info.Swarm.ControlAvailable)
if info.Swarm.ControlAvailable {
fmt.Fprintf(dockerCli.Out(), " ClusterID: %s\n", info.Swarm.Cluster.ID)
fmt.Fprintf(dockerCli.Out(), " Managers: %d\n", info.Swarm.Managers)
fmt.Fprintf(dockerCli.Out(), " Nodes: %d\n", info.Swarm.Nodes)
fmt.Fprintf(dockerCli.Out(), " Orchestration:\n")
taskHistoryRetentionLimit := int64(0)
if info.Swarm.Cluster.Spec.Orchestration.TaskHistoryRetentionLimit != nil {
taskHistoryRetentionLimit = *info.Swarm.Cluster.Spec.Orchestration.TaskHistoryRetentionLimit
}
fmt.Fprintf(dockerCli.Out(), " Task History Retention Limit: %d\n", taskHistoryRetentionLimit)
fmt.Fprintf(dockerCli.Out(), " Raft:\n")
fmt.Fprintf(dockerCli.Out(), " Snapshot Interval: %d\n", info.Swarm.Cluster.Spec.Raft.SnapshotInterval)
if info.Swarm.Cluster.Spec.Raft.KeepOldSnapshots != nil {
fmt.Fprintf(dockerCli.Out(), " Number of Old Snapshots to Retain: %d\n", *info.Swarm.Cluster.Spec.Raft.KeepOldSnapshots)
}
fmt.Fprintf(dockerCli.Out(), " Heartbeat Tick: %d\n", info.Swarm.Cluster.Spec.Raft.HeartbeatTick)
fmt.Fprintf(dockerCli.Out(), " Election Tick: %d\n", info.Swarm.Cluster.Spec.Raft.ElectionTick)
fmt.Fprintf(dockerCli.Out(), " Dispatcher:\n")
fmt.Fprintf(dockerCli.Out(), " Heartbeat Period: %s\n", units.HumanDuration(time.Duration(info.Swarm.Cluster.Spec.Dispatcher.HeartbeatPeriod)))
fmt.Fprintf(dockerCli.Out(), " CA Configuration:\n")
fmt.Fprintf(dockerCli.Out(), " Expiry Duration: %s\n", units.HumanDuration(info.Swarm.Cluster.Spec.CAConfig.NodeCertExpiry))
if len(info.Swarm.Cluster.Spec.CAConfig.ExternalCAs) > 0 {
fmt.Fprintf(dockerCli.Out(), " External CAs:\n")
for _, entry := range info.Swarm.Cluster.Spec.CAConfig.ExternalCAs {
fmt.Fprintf(dockerCli.Out(), " %s: %s\n", entry.Protocol, entry.URL)
}
}
}
fmt.Fprintf(dockerCli.Out(), " Node Address: %s\n", info.Swarm.NodeAddr)
managers := []string{}
for _, entry := range info.Swarm.RemoteManagers {
managers = append(managers, entry.Addr)
}
if len(managers) > 0 {
sort.Strings(managers)
fmt.Fprintf(dockerCli.Out(), " Manager Addresses:\n")
for _, entry := range managers {
fmt.Fprintf(dockerCli.Out(), " %s\n", entry)
}
}
}
if len(info.Runtimes) > 0 {
fmt.Fprintf(dockerCli.Out(), "Runtimes:")
for name := range info.Runtimes {
fmt.Fprintf(dockerCli.Out(), " %s", name)
}
fmt.Fprint(dockerCli.Out(), "\n")
fmt.Fprintf(dockerCli.Out(), "Default Runtime: %s\n", info.DefaultRuntime)
}
if info.OSType == "linux" {
fmt.Fprintf(dockerCli.Out(), "Init Binary: %v\n", info.InitBinary)
for _, ci := range []struct {
Name string
Commit types.Commit
}{
{"containerd", info.ContainerdCommit},
{"runc", info.RuncCommit},
{"init", info.InitCommit},
} {
fmt.Fprintf(dockerCli.Out(), "%s version: %s", ci.Name, ci.Commit.ID)
if ci.Commit.ID != ci.Commit.Expected {
fmt.Fprintf(dockerCli.Out(), " (expected: %s)", ci.Commit.Expected)
}
fmt.Fprintf(dockerCli.Out(), "\n")
}
if len(info.SecurityOptions) != 0 {
fmt.Fprintf(dockerCli.Out(), "Security Options:\n")
for _, o := range info.SecurityOptions {
switch o.Key {
case "Name":
fmt.Fprintf(dockerCli.Out(), " %s\n", o.Value)
case "Profile":
if o.Value != "default" {
fmt.Fprintf(dockerCli.Err(), " WARNING: You're not using the default seccomp profile\n")
}
fmt.Fprintf(dockerCli.Out(), " %s: %s\n", o.Key, o.Value)
}
}
}
}
// Isolation only has meaning on a Windows daemon.
if info.OSType == "windows" {
fmt.Fprintf(dockerCli.Out(), "Default Isolation: %v\n", info.Isolation)
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Kernel Version: %s\n", info.KernelVersion)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Operating System: %s\n", info.OperatingSystem)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "OSType: %s\n", info.OSType)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Architecture: %s\n", info.Architecture)
fmt.Fprintf(dockerCli.Out(), "CPUs: %d\n", info.NCPU)
fmt.Fprintf(dockerCli.Out(), "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Name: %s\n", info.Name)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "ID: %s\n", info.ID)
fmt.Fprintf(dockerCli.Out(), "Docker Root Dir: %s\n", info.DockerRootDir)
fmt.Fprintf(dockerCli.Out(), "Debug Mode (client): %v\n", utils.IsDebugEnabled())
fmt.Fprintf(dockerCli.Out(), "Debug Mode (server): %v\n", info.Debug)
if info.Debug {
fmt.Fprintf(dockerCli.Out(), " File Descriptors: %d\n", info.NFd)
fmt.Fprintf(dockerCli.Out(), " Goroutines: %d\n", info.NGoroutines)
fmt.Fprintf(dockerCli.Out(), " System Time: %s\n", info.SystemTime)
fmt.Fprintf(dockerCli.Out(), " EventsListeners: %d\n", info.NEventsListener)
}
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Http Proxy: %s\n", info.HTTPProxy)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Https Proxy: %s\n", info.HTTPSProxy)
ioutils.FprintfIfNotEmpty(dockerCli.Out(), "No Proxy: %s\n", info.NoProxy)
if info.IndexServerAddress != "" {
u := dockerCli.ConfigFile().AuthConfigs[info.IndexServerAddress].Username
if len(u) > 0 {
fmt.Fprintf(dockerCli.Out(), "Username: %v\n", u)
}
fmt.Fprintf(dockerCli.Out(), "Registry: %v\n", info.IndexServerAddress)
}
// Only output these warnings if the server does not support these features
if info.OSType != "windows" {
if !info.MemoryLimit {
fmt.Fprintln(dockerCli.Err(), "WARNING: No memory limit support")
}
if !info.SwapLimit {
fmt.Fprintln(dockerCli.Err(), "WARNING: No swap limit support")
}
if !info.KernelMemory {
fmt.Fprintln(dockerCli.Err(), "WARNING: No kernel memory limit support")
}
if !info.OomKillDisable {
fmt.Fprintln(dockerCli.Err(), "WARNING: No oom kill disable support")
}
if !info.CPUCfsQuota {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs quota support")
}
if !info.CPUCfsPeriod {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs period support")
}
if !info.CPUShares {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu shares support")
}
if !info.CPUSet {
fmt.Fprintln(dockerCli.Err(), "WARNING: No cpuset support")
}
if !info.IPv4Forwarding {
fmt.Fprintln(dockerCli.Err(), "WARNING: IPv4 forwarding is disabled")
}
if !info.BridgeNfIptables {
fmt.Fprintln(dockerCli.Err(), "WARNING: bridge-nf-call-iptables is disabled")
}
if !info.BridgeNfIP6tables {
fmt.Fprintln(dockerCli.Err(), "WARNING: bridge-nf-call-ip6tables is disabled")
}
}
if info.Labels != nil {
fmt.Fprintln(dockerCli.Out(), "Labels:")
for _, attribute := range info.Labels {
fmt.Fprintf(dockerCli.Out(), " %s\n", attribute)
}
// TODO: Engine labels with duplicate keys has been deprecated in 1.13 and will be error out
// after 3 release cycles (1.16). For now, a WARNING will be generated. The following will
// be removed eventually.
labelMap := map[string]string{}
for _, label := range info.Labels {
stringSlice := strings.SplitN(label, "=", 2)
if len(stringSlice) > 1 {
// If there is a conflict we will throw out an warning
if v, ok := labelMap[stringSlice[0]]; ok && v != stringSlice[1] {
fmt.Fprintln(dockerCli.Err(), "WARNING: labels with duplicate keys and conflicting values have been deprecated")
break
}
labelMap[stringSlice[0]] = stringSlice[1]
}
}
}
fmt.Fprintf(dockerCli.Out(), "Experimental: %v\n", info.ExperimentalBuild)
if info.ClusterStore != "" {
fmt.Fprintf(dockerCli.Out(), "Cluster Store: %s\n", info.ClusterStore)
}
if info.ClusterAdvertise != "" {
fmt.Fprintf(dockerCli.Out(), "Cluster Advertise: %s\n", info.ClusterAdvertise)
}
if info.RegistryConfig != nil && (len(info.RegistryConfig.InsecureRegistryCIDRs) > 0 || len(info.RegistryConfig.IndexConfigs) > 0) {
fmt.Fprintln(dockerCli.Out(), "Insecure Registries:")
for _, registry := range info.RegistryConfig.IndexConfigs {
if registry.Secure == false {
fmt.Fprintf(dockerCli.Out(), " %s\n", registry.Name)
}
}
for _, registry := range info.RegistryConfig.InsecureRegistryCIDRs {
mask, _ := registry.Mask.Size()
fmt.Fprintf(dockerCli.Out(), " %s/%d\n", registry.IP.String(), mask)
}
}
if info.RegistryConfig != nil && len(info.RegistryConfig.Mirrors) > 0 {
fmt.Fprintln(dockerCli.Out(), "Registry Mirrors:")
for _, mirror := range info.RegistryConfig.Mirrors {
fmt.Fprintf(dockerCli.Out(), " %s\n", mirror)
}
}
fmt.Fprintf(dockerCli.Out(), "Live Restore Enabled: %v\n", info.LiveRestoreEnabled)
return nil
}
// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
cmd.Require(flag.Exact, 0)
cmd.ParseFlags(args, true)
info, err := cli.client.Info()
if err != nil {
return err
}
fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
if info.DriverStatus != nil {
for _, pair := range info.DriverStatus {
fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
// print a warning if devicemapper is using a loopback file
if pair[0] == "Data loop file" {
fmt.Fprintln(cli.err, " WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.")
}
}
}
ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
fmt.Fprintf(cli.out, "Plugins: \n")
fmt.Fprintf(cli.out, " Volume:")
for _, driver := range info.Plugins.Volume {
fmt.Fprintf(cli.out, " %s", driver)
}
fmt.Fprintf(cli.out, "\n")
fmt.Fprintf(cli.out, " Network:")
for _, driver := range info.Plugins.Network {
fmt.Fprintf(cli.out, " %s", driver)
}
fmt.Fprintf(cli.out, "\n")
ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
ioutils.FprintfIfNotEmpty(cli.out, "OSType: %s\n", info.OSType)
ioutils.FprintfIfNotEmpty(cli.out, "Architecture: %s\n", info.Architecture)
fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)
if info.Debug {
fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
fmt.Fprintf(cli.out, " Init SHA1: %s\n", info.InitSha1)
fmt.Fprintf(cli.out, " Init Path: %s\n", info.InitPath)
fmt.Fprintf(cli.out, " Docker Root Dir: %s\n", info.DockerRootDir)
}
ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)
if info.IndexServerAddress != "" {
u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
if len(u) > 0 {
fmt.Fprintf(cli.out, "Username: %v\n", u)
fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
}
}
// Only output these warnings if the server does not support these features
if info.OSType != "windows" {
if !info.MemoryLimit {
fmt.Fprintln(cli.err, "WARNING: No memory limit support")
}
if !info.SwapLimit {
fmt.Fprintln(cli.err, "WARNING: No swap limit support")
}
if !info.OomKillDisable {
fmt.Fprintln(cli.err, "WARNING: No oom kill disable support")
}
if !info.CPUCfsQuota {
fmt.Fprintln(cli.err, "WARNING: No cpu cfs quota support")
}
if !info.CPUCfsPeriod {
fmt.Fprintln(cli.err, "WARNING: No cpu cfs period support")
}
if !info.CPUShares {
fmt.Fprintln(cli.err, "WARNING: No cpu shares support")
}
if !info.CPUSet {
fmt.Fprintln(cli.err, "WARNING: No cpuset support")
}
if !info.IPv4Forwarding {
fmt.Fprintln(cli.err, "WARNING: IPv4 forwarding is disabled")
}
if !info.BridgeNfIptables {
fmt.Fprintln(cli.err, "WARNING: bridge-nf-call-iptables is disabled")
}
if !info.BridgeNfIP6tables {
fmt.Fprintln(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled")
}
}
if info.Labels != nil {
fmt.Fprintln(cli.out, "Labels:")
for _, attribute := range info.Labels {
fmt.Fprintf(cli.out, " %s\n", attribute)
}
}
ioutils.FprintfIfTrue(cli.out, "Experimental: %v\n", info.ExperimentalBuild)
if info.ClusterStore != "" {
fmt.Fprintf(cli.out, "Cluster store: %s\n", info.ClusterStore)
}
if info.ClusterAdvertise != "" {
fmt.Fprintf(cli.out, "Cluster advertise: %s\n", info.ClusterAdvertise)
}
return nil
}
// CmdInfo displays system-wide information.
//
// Usage: docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
cmd.Require(flag.Exact, 0)
cmd.ParseFlags(args, true)
serverResp, err := cli.call("GET", "/info", nil, nil)
if err != nil {
return err
}
defer serverResp.body.Close()
info := &types.Info{}
if err := json.NewDecoder(serverResp.body).Decode(info); err != nil {
return fmt.Errorf("Error reading remote info: %v", err)
}
fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
if info.DriverStatus != nil {
for _, pair := range info.DriverStatus {
fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
}
}
ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)
if info.Debug {
fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
fmt.Fprintf(cli.out, " Init SHA1: %s\n", info.InitSha1)
fmt.Fprintf(cli.out, " Init Path: %s\n", info.InitPath)
fmt.Fprintf(cli.out, " Docker Root Dir: %s\n", info.DockerRootDir)
}
ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)
if info.IndexServerAddress != "" {
u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
if len(u) > 0 {
fmt.Fprintf(cli.out, "Username: %v\n", u)
fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
}
}
// Only output these warnings if the server does not support these features
if h, err := httputils.ParseServerHeader(serverResp.header.Get("Server")); err == nil {
if h.OS != "windows" {
if !info.MemoryLimit {
fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
}
if !info.SwapLimit {
fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
}
if !info.IPv4Forwarding {
fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled\n")
}
if !info.BridgeNfIptables {
fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-iptables is disabled\n")
}
if !info.BridgeNfIP6tables {
fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled\n")
}
}
}
if info.Labels != nil {
fmt.Fprintln(cli.out, "Labels:")
for _, attribute := range info.Labels {
fmt.Fprintf(cli.out, " %s\n", attribute)
}
}
ioutils.FprintfIfTrue(cli.out, "Experimental: %v\n", info.ExperimentalBuild)
if info.ClusterStore != "" {
fmt.Fprintf(cli.out, "Cluster store: %s\n", info.ClusterStore)
}
if info.ClusterAdvertise != "" {
fmt.Fprintf(cli.out, "Cluster advertise: %s\n", info.ClusterAdvertise)
}
return nil
}
// TODO: use a template
func printService(out io.Writer, service swarm.Service) {
fmt.Fprintf(out, "ID:\t\t%s\n", service.ID)
fmt.Fprintf(out, "Name:\t\t%s\n", service.Spec.Name)
if service.Spec.Labels != nil {
fmt.Fprintln(out, "Labels:")
for k, v := range service.Spec.Labels {
fmt.Fprintf(out, " - %s=%s\n", k, v)
}
}
if service.Spec.Mode.Global != nil {
fmt.Fprintln(out, "Mode:\t\tGlobal")
} else {
fmt.Fprintln(out, "Mode:\t\tReplicated")
if service.Spec.Mode.Replicated.Replicas != nil {
fmt.Fprintf(out, " Replicas:\t%d\n", *service.Spec.Mode.Replicated.Replicas)
}
}
if service.UpdateStatus.State != "" {
fmt.Fprintln(out, "Update status:")
fmt.Fprintf(out, " State:\t\t%s\n", service.UpdateStatus.State)
fmt.Fprintf(out, " Started:\t%s ago\n", strings.ToLower(units.HumanDuration(time.Since(service.UpdateStatus.StartedAt))))
if service.UpdateStatus.State == swarm.UpdateStateCompleted {
fmt.Fprintf(out, " Completed:\t%s ago\n", strings.ToLower(units.HumanDuration(time.Since(service.UpdateStatus.CompletedAt))))
}
fmt.Fprintf(out, " Message:\t%s\n", service.UpdateStatus.Message)
}
fmt.Fprintln(out, "Placement:")
if service.Spec.TaskTemplate.Placement != nil && len(service.Spec.TaskTemplate.Placement.Constraints) > 0 {
ioutils.FprintfIfNotEmpty(out, " Constraints\t: %s\n", strings.Join(service.Spec.TaskTemplate.Placement.Constraints, ", "))
}
fmt.Fprintf(out, "UpdateConfig:\n")
fmt.Fprintf(out, " Parallelism:\t%d\n", service.Spec.UpdateConfig.Parallelism)
if service.Spec.UpdateConfig.Delay.Nanoseconds() > 0 {
fmt.Fprintf(out, " Delay:\t\t%s\n", service.Spec.UpdateConfig.Delay)
}
fmt.Fprintf(out, " On failure:\t%s\n", service.Spec.UpdateConfig.FailureAction)
fmt.Fprintf(out, "ContainerSpec:\n")
printContainerSpec(out, service.Spec.TaskTemplate.ContainerSpec)
resources := service.Spec.TaskTemplate.Resources
if resources != nil {
fmt.Fprintln(out, "Resources:")
printResources := func(out io.Writer, requirement string, r *swarm.Resources) {
if r == nil || (r.MemoryBytes == 0 && r.NanoCPUs == 0) {
return
}
fmt.Fprintf(out, " %s:\n", requirement)
if r.NanoCPUs != 0 {
fmt.Fprintf(out, " CPU:\t\t%g\n", float64(r.NanoCPUs)/1e9)
}
if r.MemoryBytes != 0 {
fmt.Fprintf(out, " Memory:\t%s\n", units.BytesSize(float64(r.MemoryBytes)))
}
}
printResources(out, "Reservations", resources.Reservations)
printResources(out, "Limits", resources.Limits)
}
if len(service.Spec.Networks) > 0 {
fmt.Fprintf(out, "Networks:")
for _, n := range service.Spec.Networks {
fmt.Fprintf(out, " %s", n.Target)
}
}
if len(service.Endpoint.Ports) > 0 {
fmt.Fprintln(out, "Ports:")
for _, port := range service.Endpoint.Ports {
ioutils.FprintfIfNotEmpty(out, " Name = %s\n", port.Name)
fmt.Fprintf(out, " Protocol = %s\n", port.Protocol)
fmt.Fprintf(out, " TargetPort = %d\n", port.TargetPort)
fmt.Fprintf(out, " PublishedPort = %d\n", port.PublishedPort)
}
}
}
// TODO: use a template
func printService(out io.Writer, service swarm.Service) {
fmt.Fprintf(out, "ID:\t\t%s\n", service.ID)
fmt.Fprintf(out, "Name:\t\t%s\n", service.Spec.Name)
if service.Spec.Labels != nil {
fmt.Fprintln(out, "Labels:")
for k, v := range service.Spec.Labels {
fmt.Fprintf(out, " - %s=%s\n", k, v)
}
}
if service.Spec.Mode.Global != nil {
fmt.Fprintln(out, "Mode:\t\tGlobal")
} else {
fmt.Fprintln(out, "Mode:\t\tReplicated")
if service.Spec.Mode.Replicated.Replicas != nil {
fmt.Fprintf(out, " Replicas:\t%d\n", *service.Spec.Mode.Replicated.Replicas)
}
}
fmt.Fprintln(out, "Placement:")
fmt.Fprintln(out, " Strategy:\tSpread")
if service.Spec.TaskTemplate.Placement != nil && len(service.Spec.TaskTemplate.Placement.Constraints) > 0 {
ioutils.FprintfIfNotEmpty(out, " Constraints\t: %s\n", strings.Join(service.Spec.TaskTemplate.Placement.Constraints, ", "))
}
fmt.Fprintf(out, "UpdateConfig:\n")
fmt.Fprintf(out, " Parallelism:\t%d\n", service.Spec.UpdateConfig.Parallelism)
if service.Spec.UpdateConfig.Delay.Nanoseconds() > 0 {
fmt.Fprintf(out, " Delay:\t\t%s\n", service.Spec.UpdateConfig.Delay)
}
fmt.Fprintf(out, "ContainerSpec:\n")
printContainerSpec(out, service.Spec.TaskTemplate.ContainerSpec)
if service.Spec.TaskTemplate.Resources != nil {
fmt.Fprintln(out, "Resources:")
printResources := func(out io.Writer, r *swarm.Resources) {
if r.NanoCPUs != 0 {
fmt.Fprintf(out, " CPU:\t\t%g\n", float64(r.NanoCPUs)/1e9)
}
if r.MemoryBytes != 0 {
fmt.Fprintf(out, " Memory:\t\t%s\n", units.BytesSize(float64(r.MemoryBytes)))
}
}
if service.Spec.TaskTemplate.Resources.Reservations != nil {
fmt.Fprintln(out, "Reservations:")
printResources(out, service.Spec.TaskTemplate.Resources.Reservations)
}
if service.Spec.TaskTemplate.Resources.Limits != nil {
fmt.Fprintln(out, "Limits:")
printResources(out, service.Spec.TaskTemplate.Resources.Limits)
}
}
if len(service.Spec.Networks) > 0 {
fmt.Fprintf(out, "Networks:")
for _, n := range service.Spec.Networks {
fmt.Fprintf(out, " %s", n.Target)
}
}
if len(service.Endpoint.Ports) > 0 {
fmt.Fprintln(out, "Ports:")
for _, port := range service.Endpoint.Ports {
fmt.Fprintf(out, " Name = %s\n", port.Name)
fmt.Fprintf(out, " Protocol = %s\n", port.Protocol)
fmt.Fprintf(out, " TargetPort = %d\n", port.TargetPort)
fmt.Fprintf(out, " PublishedPort = %d\n", port.PublishedPort)
}
}
}