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moby--moby/api/client/version.go
John Howard 87eae0d659 Add branch and build time to version
Signed-off-by: John Howard <jhoward@microsoft.com>
2015-06-22 13:00:27 -07:00

70 lines
2.2 KiB
Go

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"
"github.com/docker/docker/utils"
)
// 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", nil, "Show the Docker version information.", true)
cmd.Require(flag.Exact, 0)
cmd.ParseFlags(args, true)
fmt.Println("Client:")
if dockerversion.VERSION != "" {
fmt.Fprintf(cli.out, " Version: %s\n", dockerversion.VERSION)
}
fmt.Fprintf(cli.out, " API version: %s\n", api.Version)
fmt.Fprintf(cli.out, " Go version: %s\n", runtime.Version())
if dockerversion.GITCOMMIT != "" {
fmt.Fprintf(cli.out, " Git commit: %s\n", dockerversion.GITCOMMIT)
}
if dockerversion.BUILDTIME != "" {
fmt.Fprintf(cli.out, " Built: %s\n", dockerversion.BUILDTIME)
}
fmt.Fprintf(cli.out, " OS/Arch: %s/%s\n", runtime.GOOS, runtime.GOARCH)
if utils.ExperimentalBuild() {
fmt.Fprintf(cli.out, " Experimental: true\n")
}
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.Println("\nServer:")
fmt.Fprintf(cli.out, " Version: %s\n", v.Version)
if v.ApiVersion != "" {
fmt.Fprintf(cli.out, " API version: %s\n", v.ApiVersion)
}
fmt.Fprintf(cli.out, " Go version: %s\n", v.GoVersion)
fmt.Fprintf(cli.out, " Git commit: %s\n", v.GitCommit)
if len(v.BuildTime) > 0 {
fmt.Fprintf(cli.out, " Built: %s\n", v.BuildTime)
}
fmt.Fprintf(cli.out, " OS/Arch: %s/%s\n", v.Os, v.Arch)
if v.Experimental {
fmt.Fprintf(cli.out, " Experimental: true\n")
}
fmt.Fprintf(cli.out, "\n")
return nil
}