docker/api/client/version.go

57 строки
1.8 KiB
Go

package client
import (
"encoding/json"
"fmt"
"runtime"
"github.com/Sirupsen/logrus"
"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 {
logrus.Errorf("Error reading remote version: %s", 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
}