github.com/circular-dark/docker@v1.7.0/api/client/version.go (about) 1 package client 2 3 import ( 4 "encoding/json" 5 "fmt" 6 "runtime" 7 8 "github.com/docker/docker/api" 9 "github.com/docker/docker/api/types" 10 "github.com/docker/docker/autogen/dockerversion" 11 flag "github.com/docker/docker/pkg/mflag" 12 "github.com/docker/docker/utils" 13 ) 14 15 // CmdVersion shows Docker version information. 16 // 17 // Available version information is shown for: client Docker version, client API version, client Go version, client Git commit, client OS/Arch, server Docker version, server API version, server Go version, server Git commit, and server OS/Arch. 18 // 19 // Usage: docker version 20 func (cli *DockerCli) CmdVersion(args ...string) error { 21 cmd := cli.Subcmd("version", "", "Show the Docker version information.", true) 22 cmd.Require(flag.Exact, 0) 23 24 cmd.ParseFlags(args, true) 25 26 if dockerversion.VERSION != "" { 27 fmt.Fprintf(cli.out, "Client version: %s\n", dockerversion.VERSION) 28 } 29 fmt.Fprintf(cli.out, "Client API version: %s\n", api.APIVERSION) 30 fmt.Fprintf(cli.out, "Go version (client): %s\n", runtime.Version()) 31 if dockerversion.GITCOMMIT != "" { 32 fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT) 33 } 34 fmt.Fprintf(cli.out, "OS/Arch (client): %s/%s\n", runtime.GOOS, runtime.GOARCH) 35 if utils.ExperimentalBuild() { 36 fmt.Fprintf(cli.out, "Experimental (client): true\n") 37 } 38 39 stream, _, err := cli.call("GET", "/version", nil, nil) 40 if err != nil { 41 return err 42 } 43 44 var v types.Version 45 if err := json.NewDecoder(stream).Decode(&v); err != nil { 46 fmt.Fprintf(cli.err, "Error reading remote version: %s\n", err) 47 return err 48 } 49 50 fmt.Fprintf(cli.out, "Server version: %s\n", v.Version) 51 if v.ApiVersion != "" { 52 fmt.Fprintf(cli.out, "Server API version: %s\n", v.ApiVersion) 53 } 54 fmt.Fprintf(cli.out, "Go version (server): %s\n", v.GoVersion) 55 fmt.Fprintf(cli.out, "Git commit (server): %s\n", v.GitCommit) 56 fmt.Fprintf(cli.out, "OS/Arch (server): %s/%s\n", v.Os, v.Arch) 57 if v.Experimental { 58 fmt.Fprintf(cli.out, "Experimental (server): true\n") 59 } 60 return nil 61 }