| package client |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| |
| "github.com/docker/docker/api/types" |
| flag "github.com/docker/docker/pkg/mflag" |
| "github.com/docker/docker/pkg/units" |
| ) |
| |
| // CmdInfo displays system-wide information. |
| // |
| // Usage: docker info |
| func (cli *DockerCli) CmdInfo(args ...string) error { |
| cmd := cli.Subcmd("info", "", "Display system-wide information", true) |
| cmd.Require(flag.Exact, 0) |
| cmd.ParseFlags(args, false) |
| |
| rdr, _, err := cli.call("GET", "/info", nil, nil) |
| if err != nil { |
| return err |
| } |
| |
| 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) |
| fmt.Fprintf(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]) |
| } |
| } |
| fmt.Fprintf(cli.out, "Execution Driver: %s\n", info.ExecutionDriver) |
| fmt.Fprintf(cli.out, "Logging Driver: %s\n", info.LoggingDriver) |
| fmt.Fprintf(cli.out, "Kernel Version: %s\n", info.KernelVersion) |
| fmt.Fprintf(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))) |
| fmt.Fprintf(cli.out, "Name: %s\n", info.Name) |
| fmt.Fprintf(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) |
| } |
| |
| if info.HttpProxy != "" { |
| fmt.Fprintf(cli.out, "Http Proxy: %s\n", info.HttpProxy) |
| } |
| if info.HttpsProxy != "" { |
| fmt.Fprintf(cli.out, "Https Proxy: %s\n", info.HttpsProxy) |
| } |
| if info.NoProxy != "" { |
| fmt.Fprintf(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.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 |
| } |