| package client |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "runtime" |
| |
| "github.com/docker/docker/api" |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/autogen/dockerversion" |
| flag "github.com/docker/docker/pkg/mflag" |
| ) |
| |
| // CmdVersion shows Docker version information. |
| // |
| // 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. |
| // |
| // Usage: docker version |
| func (cli *DockerCli) CmdVersion(args ...string) error { |
| cmd := cli.Subcmd("version", "", "Show the Docker version information.", true) |
| cmd.Require(flag.Exact, 0) |
| |
| cmd.ParseFlags(args, false) |
| |
| if dockerversion.VERSION != "" { |
| fmt.Fprintf(cli.out, "Client version: %s\n", dockerversion.VERSION) |
| } |
| fmt.Fprintf(cli.out, "Client API version: %s\n", api.APIVERSION) |
| fmt.Fprintf(cli.out, "Go version (client): %s\n", runtime.Version()) |
| if dockerversion.GITCOMMIT != "" { |
| fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT) |
| } |
| fmt.Fprintf(cli.out, "OS/Arch (client): %s/%s\n", runtime.GOOS, runtime.GOARCH) |
| |
| stream, _, err := cli.call("GET", "/version", nil, nil) |
| if err != nil { |
| return err |
| } |
| |
| var v types.Version |
| if err := json.NewDecoder(stream).Decode(&v); err != nil { |
| fmt.Fprintf(cli.err, "Error reading remote version: %s\n", err) |
| return err |
| } |
| |
| fmt.Fprintf(cli.out, "Server version: %s\n", v.Version) |
| if v.ApiVersion != "" { |
| fmt.Fprintf(cli.out, "Server API version: %s\n", v.ApiVersion) |
| } |
| fmt.Fprintf(cli.out, "Go version (server): %s\n", v.GoVersion) |
| fmt.Fprintf(cli.out, "Git commit (server): %s\n", v.GitCommit) |
| fmt.Fprintf(cli.out, "OS/Arch (server): %s/%s\n", v.Os, v.Arch) |
| |
| return nil |
| } |