Merge pull request #23399 from tkopczynski/23211-info-command
Migrate info command to cobra
This commit is contained in:
Alexander Morozov
GitHub
commit
e7fd784868
5 changed files with 207 additions and 201 deletions
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@ -4,7 +4,6 @@ package client
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func (cli *DockerCli) Command(name string) func(...string) error {
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return map[string]func(...string) error{
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"exec": cli.CmdExec,
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"info": cli.CmdInfo,
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"inspect": cli.CmdInspect,
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"update": cli.CmdUpdate,
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}[name]
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@ -1,199 +0,0 @@
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package client
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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Cli "github.com/docker/docker/cli"
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"github.com/docker/docker/pkg/ioutils"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/utils"
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"github.com/docker/engine-api/types/swarm"
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"github.com/docker/go-units"
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)
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// CmdInfo displays system-wide information.
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//
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// Usage: docker info
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func (cli *DockerCli) CmdInfo(args ...string) error {
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cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
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cmd.Require(flag.Exact, 0)
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cmd.ParseFlags(args, true)
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info, err := cli.client.Info(context.Background())
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if err != nil {
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return err
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}
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fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
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fmt.Fprintf(cli.out, " Running: %d\n", info.ContainersRunning)
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fmt.Fprintf(cli.out, " Paused: %d\n", info.ContainersPaused)
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fmt.Fprintf(cli.out, " Stopped: %d\n", info.ContainersStopped)
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fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
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ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
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ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
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if info.DriverStatus != nil {
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for _, pair := range info.DriverStatus {
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fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
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// print a warning if devicemapper is using a loopback file
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if pair[0] == "Data loop file" {
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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.")
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}
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}
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}
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if info.SystemStatus != nil {
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for _, pair := range info.SystemStatus {
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fmt.Fprintf(cli.out, "%s: %s\n", pair[0], pair[1])
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}
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}
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ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
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ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
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ioutils.FprintfIfNotEmpty(cli.out, "Cgroup Driver: %s\n", info.CgroupDriver)
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fmt.Fprintf(cli.out, "Plugins:\n")
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fmt.Fprintf(cli.out, " Volume:")
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fmt.Fprintf(cli.out, " %s", strings.Join(info.Plugins.Volume, " "))
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fmt.Fprintf(cli.out, "\n")
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fmt.Fprintf(cli.out, " Network:")
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fmt.Fprintf(cli.out, " %s", strings.Join(info.Plugins.Network, " "))
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fmt.Fprintf(cli.out, "\n")
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if len(info.Plugins.Authorization) != 0 {
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fmt.Fprintf(cli.out, " Authorization:")
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fmt.Fprintf(cli.out, " %s", strings.Join(info.Plugins.Authorization, " "))
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fmt.Fprintf(cli.out, "\n")
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}
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fmt.Fprintf(cli.out, "Swarm: %v\n", info.Swarm.LocalNodeState)
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if info.Swarm.LocalNodeState != swarm.LocalNodeStateInactive {
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fmt.Fprintf(cli.out, " NodeID: %s\n", info.Swarm.NodeID)
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if info.Swarm.Error != "" {
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fmt.Fprintf(cli.out, " Error: %v\n", info.Swarm.Error)
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}
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if info.Swarm.ControlAvailable {
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fmt.Fprintf(cli.out, " IsManager: Yes\n")
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fmt.Fprintf(cli.out, " Managers: %d\n", info.Swarm.Managers)
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fmt.Fprintf(cli.out, " Nodes: %d\n", info.Swarm.Nodes)
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ioutils.FprintfIfNotEmpty(cli.out, " CACertHash: %s\n", info.Swarm.CACertHash)
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} else {
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fmt.Fprintf(cli.out, " IsManager: No\n")
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}
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}
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if len(info.Runtimes) > 0 {
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fmt.Fprintf(cli.out, "Runtimes:")
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for name := range info.Runtimes {
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fmt.Fprintf(cli.out, " %s", name)
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}
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fmt.Fprint(cli.out, "\n")
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fmt.Fprintf(cli.out, "Default Runtime: %s\n", info.DefaultRuntime)
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}
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fmt.Fprintf(cli.out, "Security Options:")
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ioutils.FprintfIfNotEmpty(cli.out, " %s", strings.Join(info.SecurityOptions, " "))
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fmt.Fprintf(cli.out, "\n")
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ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
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ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
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ioutils.FprintfIfNotEmpty(cli.out, "OSType: %s\n", info.OSType)
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ioutils.FprintfIfNotEmpty(cli.out, "Architecture: %s\n", info.Architecture)
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fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
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fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
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ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
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ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)
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fmt.Fprintf(cli.out, "Docker Root Dir: %s\n", info.DockerRootDir)
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fmt.Fprintf(cli.out, "Debug Mode (client): %v\n", utils.IsDebugEnabled())
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fmt.Fprintf(cli.out, "Debug Mode (server): %v\n", info.Debug)
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if info.Debug {
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fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
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fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
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fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
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fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
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}
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ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
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ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
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ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)
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if info.IndexServerAddress != "" {
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u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
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if len(u) > 0 {
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fmt.Fprintf(cli.out, "Username: %v\n", u)
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}
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fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
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}
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// Only output these warnings if the server does not support these features
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if info.OSType != "windows" {
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if !info.MemoryLimit {
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fmt.Fprintln(cli.err, "WARNING: No memory limit support")
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}
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if !info.SwapLimit {
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fmt.Fprintln(cli.err, "WARNING: No swap limit support")
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}
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if !info.KernelMemory {
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fmt.Fprintln(cli.err, "WARNING: No kernel memory limit support")
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}
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if !info.OomKillDisable {
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fmt.Fprintln(cli.err, "WARNING: No oom kill disable support")
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}
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if !info.CPUCfsQuota {
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fmt.Fprintln(cli.err, "WARNING: No cpu cfs quota support")
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}
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if !info.CPUCfsPeriod {
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fmt.Fprintln(cli.err, "WARNING: No cpu cfs period support")
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}
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if !info.CPUShares {
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fmt.Fprintln(cli.err, "WARNING: No cpu shares support")
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}
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if !info.CPUSet {
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fmt.Fprintln(cli.err, "WARNING: No cpuset support")
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}
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if !info.IPv4Forwarding {
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fmt.Fprintln(cli.err, "WARNING: IPv4 forwarding is disabled")
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}
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if !info.BridgeNfIptables {
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fmt.Fprintln(cli.err, "WARNING: bridge-nf-call-iptables is disabled")
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}
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if !info.BridgeNfIP6tables {
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fmt.Fprintln(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled")
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}
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}
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if info.Labels != nil {
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fmt.Fprintln(cli.out, "Labels:")
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for _, attribute := range info.Labels {
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fmt.Fprintf(cli.out, " %s\n", attribute)
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}
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}
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ioutils.FprintfIfTrue(cli.out, "Experimental: %v\n", info.ExperimentalBuild)
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if info.ClusterStore != "" {
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fmt.Fprintf(cli.out, "Cluster Store: %s\n", info.ClusterStore)
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}
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if info.ClusterAdvertise != "" {
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fmt.Fprintf(cli.out, "Cluster Advertise: %s\n", info.ClusterAdvertise)
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}
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if info.RegistryConfig != nil && (len(info.RegistryConfig.InsecureRegistryCIDRs) > 0 || len(info.RegistryConfig.IndexConfigs) > 0) {
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fmt.Fprintln(cli.out, "Insecure Registries:")
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for _, registry := range info.RegistryConfig.IndexConfigs {
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if registry.Secure == false {
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fmt.Fprintf(cli.out, " %s\n", registry.Name)
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}
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}
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for _, registry := range info.RegistryConfig.InsecureRegistryCIDRs {
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mask, _ := registry.Mask.Size()
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fmt.Fprintf(cli.out, " %s/%d\n", registry.IP.String(), mask)
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}
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}
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return nil
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}
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206
api/client/system/info.go
Normal file
206
api/client/system/info.go
Normal file
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@ -0,0 +1,206 @@
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package system
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/pkg/ioutils"
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"github.com/docker/docker/utils"
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"github.com/docker/engine-api/types/swarm"
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"github.com/docker/go-units"
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"github.com/spf13/cobra"
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)
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// NewInfoCommand creates a new cobra.Command for `docker info`
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func NewInfoCommand(dockerCli *client.DockerCli) *cobra.Command {
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cmd := &cobra.Command{
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Use: "info",
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Short: "Display system-wide information",
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Args: cli.ExactArgs(0),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runInfo(dockerCli)
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},
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}
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return cmd
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}
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func runInfo(dockerCli *client.DockerCli) error {
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info, err := dockerCli.Client().Info(context.Background())
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if err != nil {
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return err
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}
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fmt.Fprintf(dockerCli.Out(), "Containers: %d\n", info.Containers)
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fmt.Fprintf(dockerCli.Out(), " Running: %d\n", info.ContainersRunning)
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fmt.Fprintf(dockerCli.Out(), " Paused: %d\n", info.ContainersPaused)
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fmt.Fprintf(dockerCli.Out(), " Stopped: %d\n", info.ContainersStopped)
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fmt.Fprintf(dockerCli.Out(), "Images: %d\n", info.Images)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Server Version: %s\n", info.ServerVersion)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Storage Driver: %s\n", info.Driver)
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if info.DriverStatus != nil {
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for _, pair := range info.DriverStatus {
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fmt.Fprintf(dockerCli.Out(), " %s: %s\n", pair[0], pair[1])
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// print a warning if devicemapper is using a loopback file
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if pair[0] == "Data loop file" {
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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.")
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}
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}
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}
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if info.SystemStatus != nil {
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for _, pair := range info.SystemStatus {
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fmt.Fprintf(dockerCli.Out(), "%s: %s\n", pair[0], pair[1])
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}
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}
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Execution Driver: %s\n", info.ExecutionDriver)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Logging Driver: %s\n", info.LoggingDriver)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Cgroup Driver: %s\n", info.CgroupDriver)
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fmt.Fprintf(dockerCli.Out(), "Plugins: \n")
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fmt.Fprintf(dockerCli.Out(), " Volume:")
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fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Volume, " "))
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fmt.Fprintf(dockerCli.Out(), "\n")
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fmt.Fprintf(dockerCli.Out(), " Network:")
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fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Network, " "))
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fmt.Fprintf(dockerCli.Out(), "\n")
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if len(info.Plugins.Authorization) != 0 {
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fmt.Fprintf(dockerCli.Out(), " Authorization:")
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fmt.Fprintf(dockerCli.Out(), " %s", strings.Join(info.Plugins.Authorization, " "))
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fmt.Fprintf(dockerCli.Out(), "\n")
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}
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fmt.Fprintf(dockerCli.Out(), "Swarm: %v\n", info.Swarm.LocalNodeState)
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if info.Swarm.LocalNodeState != swarm.LocalNodeStateInactive {
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fmt.Fprintf(dockerCli.Out(), " NodeID: %s\n", info.Swarm.NodeID)
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if info.Swarm.Error != "" {
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fmt.Fprintf(dockerCli.Out(), " Error: %v\n", info.Swarm.Error)
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}
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if info.Swarm.ControlAvailable {
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fmt.Fprintf(dockerCli.Out(), " IsManager: Yes\n")
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fmt.Fprintf(dockerCli.Out(), " Managers: %d\n", info.Swarm.Managers)
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fmt.Fprintf(dockerCli.Out(), " Nodes: %d\n", info.Swarm.Nodes)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), " CACertHash: %s\n", info.Swarm.CACertHash)
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} else {
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fmt.Fprintf(dockerCli.Out(), " IsManager: No\n")
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}
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}
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if len(info.Runtimes) > 0 {
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fmt.Fprintf(dockerCli.Out(), "Runtimes:")
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for name := range info.Runtimes {
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fmt.Fprintf(dockerCli.Out(), " %s", name)
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}
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fmt.Fprint(dockerCli.Out(), "\n")
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fmt.Fprintf(dockerCli.Out(), "Default Runtime: %s\n", info.DefaultRuntime)
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}
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fmt.Fprintf(dockerCli.Out(), "Security Options:")
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), " %s", strings.Join(info.SecurityOptions, " "))
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fmt.Fprintf(dockerCli.Out(), "\n")
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Kernel Version: %s\n", info.KernelVersion)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Operating System: %s\n", info.OperatingSystem)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "OSType: %s\n", info.OSType)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Architecture: %s\n", info.Architecture)
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fmt.Fprintf(dockerCli.Out(), "CPUs: %d\n", info.NCPU)
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fmt.Fprintf(dockerCli.Out(), "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Name: %s\n", info.Name)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "ID: %s\n", info.ID)
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fmt.Fprintf(dockerCli.Out(), "Docker Root Dir: %s\n", info.DockerRootDir)
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fmt.Fprintf(dockerCli.Out(), "Debug Mode (client): %v\n", utils.IsDebugEnabled())
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fmt.Fprintf(dockerCli.Out(), "Debug Mode (server): %v\n", info.Debug)
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if info.Debug {
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fmt.Fprintf(dockerCli.Out(), " File Descriptors: %d\n", info.NFd)
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fmt.Fprintf(dockerCli.Out(), " Goroutines: %d\n", info.NGoroutines)
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fmt.Fprintf(dockerCli.Out(), " System Time: %s\n", info.SystemTime)
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fmt.Fprintf(dockerCli.Out(), " EventsListeners: %d\n", info.NEventsListener)
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}
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Http Proxy: %s\n", info.HTTPProxy)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "Https Proxy: %s\n", info.HTTPSProxy)
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ioutils.FprintfIfNotEmpty(dockerCli.Out(), "No Proxy: %s\n", info.NoProxy)
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if info.IndexServerAddress != "" {
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u := dockerCli.ConfigFile().AuthConfigs[info.IndexServerAddress].Username
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if len(u) > 0 {
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fmt.Fprintf(dockerCli.Out(), "Username: %v\n", u)
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}
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fmt.Fprintf(dockerCli.Out(), "Registry: %v\n", info.IndexServerAddress)
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}
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// Only output these warnings if the server does not support these features
|
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if info.OSType != "windows" {
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if !info.MemoryLimit {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No memory limit support")
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}
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if !info.SwapLimit {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No swap limit support")
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}
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if !info.KernelMemory {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No kernel memory limit support")
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}
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if !info.OomKillDisable {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No oom kill disable support")
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}
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if !info.CPUCfsQuota {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs quota support")
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}
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if !info.CPUCfsPeriod {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu cfs period support")
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}
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if !info.CPUShares {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No cpu shares support")
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}
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if !info.CPUSet {
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fmt.Fprintln(dockerCli.Err(), "WARNING: No cpuset support")
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}
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if !info.IPv4Forwarding {
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fmt.Fprintln(dockerCli.Err(), "WARNING: IPv4 forwarding is disabled")
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}
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if !info.BridgeNfIptables {
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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
|
||||
}
|
||||
|
|
@ -84,6 +84,7 @@ func NewCobraAdaptor(clientFlags *cliflags.ClientFlags) CobraAdaptor {
|
|||
registry.NewLogoutCommand(dockerCli),
|
||||
system.NewVersionCommand(dockerCli),
|
||||
volume.NewVolumeCommand(dockerCli),
|
||||
system.NewInfoCommand(dockerCli),
|
||||
)
|
||||
plugin.NewPluginCommand(rootCmd, dockerCli)
|
||||
|
||||
|
|
|
|||
|
|
@ -9,7 +9,6 @@ type Command struct {
|
|||
// DockerCommandUsage lists the top level docker commands and their short usage
|
||||
var DockerCommandUsage = []Command{
|
||||
{"exec", "Run a command in a running container"},
|
||||
{"info", "Display system-wide information"},
|
||||
{"inspect", "Return low-level information on a container, image or task"},
|
||||
{"update", "Update configuration of one or more containers"},
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue