147 lines
4.6 KiB
Go
147 lines
4.6 KiB
Go
package client
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import (
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"fmt"
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"os"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/engine"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/units"
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"github.com/docker/docker/utils"
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)
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// CmdInfo displays system-wide information.
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//
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// Usage: docker info
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func (cli *DockerCli) CmdInfo(args ...string) error {
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cmd := cli.Subcmd("info", "", "Display system-wide information", true)
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cmd.Require(flag.Exact, 0)
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utils.ParseFlags(cmd, args, false)
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body, _, err := readBody(cli.call("GET", "/info", nil, nil))
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if err != nil {
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return err
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}
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out := engine.NewOutput()
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remoteInfo, err := out.AddEnv()
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if err != nil {
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return err
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}
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if _, err := out.Write(body); err != nil {
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logrus.Errorf("Error reading remote info: %s", err)
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return err
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}
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out.Close()
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if remoteInfo.Exists("Containers") {
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fmt.Fprintf(cli.out, "Containers: %d\n", remoteInfo.GetInt("Containers"))
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}
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if remoteInfo.Exists("Images") {
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fmt.Fprintf(cli.out, "Images: %d\n", remoteInfo.GetInt("Images"))
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}
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if remoteInfo.Exists("Driver") {
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fmt.Fprintf(cli.out, "Storage Driver: %s\n", remoteInfo.Get("Driver"))
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}
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if remoteInfo.Exists("DriverStatus") {
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var driverStatus [][2]string
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if err := remoteInfo.GetJson("DriverStatus", &driverStatus); err != nil {
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return err
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}
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for _, pair := range driverStatus {
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fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
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}
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}
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if remoteInfo.Exists("ExecutionDriver") {
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fmt.Fprintf(cli.out, "Execution Driver: %s\n", remoteInfo.Get("ExecutionDriver"))
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}
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if remoteInfo.Exists("KernelVersion") {
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fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion"))
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}
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if remoteInfo.Exists("OperatingSystem") {
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fmt.Fprintf(cli.out, "Operating System: %s\n", remoteInfo.Get("OperatingSystem"))
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}
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if remoteInfo.Exists("NCPU") {
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fmt.Fprintf(cli.out, "CPUs: %d\n", remoteInfo.GetInt("NCPU"))
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}
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if remoteInfo.Exists("MemTotal") {
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fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(remoteInfo.GetInt64("MemTotal"))))
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}
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if remoteInfo.Exists("Name") {
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fmt.Fprintf(cli.out, "Name: %s\n", remoteInfo.Get("Name"))
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}
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if remoteInfo.Exists("ID") {
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fmt.Fprintf(cli.out, "ID: %s\n", remoteInfo.Get("ID"))
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}
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if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" {
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if remoteInfo.Exists("Debug") {
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fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug"))
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}
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fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "")
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if remoteInfo.Exists("NFd") {
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fmt.Fprintf(cli.out, "File Descriptors: %d\n", remoteInfo.GetInt("NFd"))
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}
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if remoteInfo.Exists("NGoroutines") {
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fmt.Fprintf(cli.out, "Goroutines: %d\n", remoteInfo.GetInt("NGoroutines"))
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}
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if remoteInfo.Exists("SystemTime") {
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t, err := remoteInfo.GetTime("SystemTime")
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if err != nil {
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logrus.Errorf("Error reading system time: %v", err)
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} else {
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fmt.Fprintf(cli.out, "System Time: %s\n", t.Format(time.UnixDate))
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}
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}
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if remoteInfo.Exists("NEventsListener") {
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fmt.Fprintf(cli.out, "EventsListeners: %d\n", remoteInfo.GetInt("NEventsListener"))
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}
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if initSha1 := remoteInfo.Get("InitSha1"); initSha1 != "" {
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fmt.Fprintf(cli.out, "Init SHA1: %s\n", initSha1)
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}
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if initPath := remoteInfo.Get("InitPath"); initPath != "" {
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fmt.Fprintf(cli.out, "Init Path: %s\n", initPath)
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}
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if root := remoteInfo.Get("DockerRootDir"); root != "" {
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fmt.Fprintf(cli.out, "Docker Root Dir: %s\n", root)
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}
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}
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if remoteInfo.Exists("HttpProxy") {
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fmt.Fprintf(cli.out, "Http Proxy: %s\n", remoteInfo.Get("HttpProxy"))
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}
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if remoteInfo.Exists("HttpsProxy") {
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fmt.Fprintf(cli.out, "Https Proxy: %s\n", remoteInfo.Get("HttpsProxy"))
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}
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if remoteInfo.Exists("NoProxy") {
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fmt.Fprintf(cli.out, "No Proxy: %s\n", remoteInfo.Get("NoProxy"))
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}
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if len(remoteInfo.GetList("IndexServerAddress")) != 0 {
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cli.LoadConfigFile()
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u := cli.configFile.Configs[remoteInfo.Get("IndexServerAddress")].Username
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if len(u) > 0 {
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fmt.Fprintf(cli.out, "Username: %v\n", u)
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fmt.Fprintf(cli.out, "Registry: %v\n", remoteInfo.GetList("IndexServerAddress"))
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}
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}
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if remoteInfo.Exists("MemoryLimit") && !remoteInfo.GetBool("MemoryLimit") {
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fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
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}
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if remoteInfo.Exists("SwapLimit") && !remoteInfo.GetBool("SwapLimit") {
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fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
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}
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if remoteInfo.Exists("IPv4Forwarding") && !remoteInfo.GetBool("IPv4Forwarding") {
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fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n")
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}
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if remoteInfo.Exists("Labels") {
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fmt.Fprintln(cli.out, "Labels:")
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for _, attribute := range remoteInfo.GetList("Labels") {
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fmt.Fprintf(cli.out, " %s\n", attribute)
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}
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}
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return nil
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}
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