func readEnv(src io.Reader, t *testing.T) *engine.Env {
out := engine.NewOutput()
v, err := out.AddEnv()
if err != nil {
t.Fatal(err)
}
if _, err := io.Copy(out, src); err != nil {
t.Fatal(err)
}
out.Close()
return v
}
// 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)
utils.ParseFlags(cmd, 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)
body, _, err := readBody(cli.call("GET", "/version", nil, nil))
if err != nil {
return err
}
out := engine.NewOutput()
remoteVersion, err := out.AddEnv()
if err != nil {
logrus.Errorf("Error reading remote version: %s", err)
return err
}
if _, err := out.Write(body); err != nil {
logrus.Errorf("Error reading remote version: %s", err)
return err
}
out.Close()
fmt.Fprintf(cli.out, "Server version: %s\n", remoteVersion.Get("Version"))
if apiVersion := remoteVersion.Get("ApiVersion"); apiVersion != "" {
fmt.Fprintf(cli.out, "Server API version: %s\n", apiVersion)
}
fmt.Fprintf(cli.out, "Go version (server): %s\n", remoteVersion.Get("GoVersion"))
fmt.Fprintf(cli.out, "Git commit (server): %s\n", remoteVersion.Get("GitCommit"))
fmt.Fprintf(cli.out, "OS/Arch (server): %s/%s\n", remoteVersion.Get("Os"), remoteVersion.Get("Arch"))
return nil
}
// 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)
body, _, err := readBody(cli.call("GET", "/info", nil, nil))
if err != nil {
return err
}
out := engine.NewOutput()
remoteInfo, err := out.AddEnv()
if err != nil {
return err
}
if _, err := out.Write(body); err != nil {
logrus.Errorf("Error reading remote info: %s", err)
return err
}
out.Close()
if remoteInfo.Exists("Containers") {
fmt.Fprintf(cli.out, "Containers: %d\n", remoteInfo.GetInt("Containers"))
}
if remoteInfo.Exists("Images") {
fmt.Fprintf(cli.out, "Images: %d\n", remoteInfo.GetInt("Images"))
}
if remoteInfo.Exists("Driver") {
fmt.Fprintf(cli.out, "Storage Driver: %s\n", remoteInfo.Get("Driver"))
}
if remoteInfo.Exists("DriverStatus") {
var driverStatus [][2]string
if err := remoteInfo.GetJson("DriverStatus", &driverStatus); err != nil {
return err
}
for _, pair := range driverStatus {
fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
}
}
if remoteInfo.Exists("ExecutionDriver") {
fmt.Fprintf(cli.out, "Execution Driver: %s\n", remoteInfo.Get("ExecutionDriver"))
}
if remoteInfo.Exists("LoggingDriver") {
fmt.Fprintf(cli.out, "Logging Driver: %s\n", remoteInfo.Get("LoggingDriver"))
}
if remoteInfo.Exists("KernelVersion") {
fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion"))
}
if remoteInfo.Exists("OperatingSystem") {
fmt.Fprintf(cli.out, "Operating System: %s\n", remoteInfo.Get("OperatingSystem"))
}
if remoteInfo.Exists("NCPU") {
fmt.Fprintf(cli.out, "CPUs: %d\n", remoteInfo.GetInt("NCPU"))
}
if remoteInfo.Exists("MemTotal") {
fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(remoteInfo.GetInt64("MemTotal"))))
}
if remoteInfo.Exists("Name") {
fmt.Fprintf(cli.out, "Name: %s\n", remoteInfo.Get("Name"))
}
if remoteInfo.Exists("ID") {
fmt.Fprintf(cli.out, "ID: %s\n", remoteInfo.Get("ID"))
}
if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" {
if remoteInfo.Exists("Debug") {
fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug"))
}
fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "")
if remoteInfo.Exists("NFd") {
fmt.Fprintf(cli.out, "File Descriptors: %d\n", remoteInfo.GetInt("NFd"))
}
if remoteInfo.Exists("NGoroutines") {
fmt.Fprintf(cli.out, "Goroutines: %d\n", remoteInfo.GetInt("NGoroutines"))
}
if remoteInfo.Exists("SystemTime") {
t, err := remoteInfo.GetTime("SystemTime")
if err != nil {
logrus.Errorf("Error reading system time: %v", err)
} else {
fmt.Fprintf(cli.out, "System Time: %s\n", t.Format(time.UnixDate))
}
}
if remoteInfo.Exists("NEventsListener") {
fmt.Fprintf(cli.out, "EventsListeners: %d\n", remoteInfo.GetInt("NEventsListener"))
}
if initSha1 := remoteInfo.Get("InitSha1"); initSha1 != "" {
fmt.Fprintf(cli.out, "Init SHA1: %s\n", initSha1)
}
if initPath := remoteInfo.Get("InitPath"); initPath != "" {
fmt.Fprintf(cli.out, "Init Path: %s\n", initPath)
}
if root := remoteInfo.Get("DockerRootDir"); root != "" {
fmt.Fprintf(cli.out, "Docker Root Dir: %s\n", root)
}
}
if remoteInfo.Exists("HttpProxy") {
fmt.Fprintf(cli.out, "Http Proxy: %s\n", remoteInfo.Get("HttpProxy"))
}
if remoteInfo.Exists("HttpsProxy") {
fmt.Fprintf(cli.out, "Https Proxy: %s\n", remoteInfo.Get("HttpsProxy"))
}
if remoteInfo.Exists("NoProxy") {
fmt.Fprintf(cli.out, "No Proxy: %s\n", remoteInfo.Get("NoProxy"))
}
if len(remoteInfo.GetList("IndexServerAddress")) != 0 {
cli.LoadConfigFile()
u := cli.configFile.Configs[remoteInfo.Get("IndexServerAddress")].Username
if len(u) > 0 {
fmt.Fprintf(cli.out, "Username: %v\n", u)
fmt.Fprintf(cli.out, "Registry: %v\n", remoteInfo.GetList("IndexServerAddress"))
}
}
if remoteInfo.Exists("MemoryLimit") && !remoteInfo.GetBool("MemoryLimit") {
fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
}
if remoteInfo.Exists("SwapLimit") && !remoteInfo.GetBool("SwapLimit") {
fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
}
if remoteInfo.Exists("IPv4Forwarding") && !remoteInfo.GetBool("IPv4Forwarding") {
fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n")
}
if remoteInfo.Exists("Labels") {
fmt.Fprintln(cli.out, "Labels:")
for _, attribute := range remoteInfo.GetList("Labels") {
fmt.Fprintf(cli.out, " %s\n", attribute)
}
}
return nil
}