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
}
// 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
}
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
}
// 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
}