mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
98 lines
3.2 KiB
Go
98 lines
3.2 KiB
Go
package daemon
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import (
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"os"
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"runtime"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/autogen/dockerversion"
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"github.com/docker/docker/engine"
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"github.com/docker/docker/pkg/fileutils"
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"github.com/docker/docker/pkg/parsers/kernel"
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"github.com/docker/docker/pkg/parsers/operatingsystem"
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"github.com/docker/docker/pkg/system"
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"github.com/docker/docker/registry"
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"github.com/docker/docker/utils"
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)
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func (daemon *Daemon) CmdInfo(job *engine.Job) error {
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images, _ := daemon.Graph().Map()
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var imgcount int
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if images == nil {
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imgcount = 0
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} else {
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imgcount = len(images)
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}
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kernelVersion := "<unknown>"
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if kv, err := kernel.GetKernelVersion(); err == nil {
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kernelVersion = kv.String()
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}
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operatingSystem := "<unknown>"
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if s, err := operatingsystem.GetOperatingSystem(); err == nil {
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operatingSystem = s
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}
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if inContainer, err := operatingsystem.IsContainerized(); err != nil {
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logrus.Errorf("Could not determine if daemon is containerized: %v", err)
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operatingSystem += " (error determining if containerized)"
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} else if inContainer {
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operatingSystem += " (containerized)"
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}
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meminfo, err := system.ReadMemInfo()
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if err != nil {
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logrus.Errorf("Could not read system memory info: %v", err)
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}
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// if we still have the original dockerinit binary from before we copied it locally, let's return the path to that, since that's more intuitive (the copied path is trivial to derive by hand given VERSION)
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initPath := utils.DockerInitPath("")
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if initPath == "" {
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// if that fails, we'll just return the path from the daemon
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initPath = daemon.SystemInitPath()
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}
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v := &engine.Env{}
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v.SetJson("ID", daemon.ID)
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v.SetInt("Containers", len(daemon.List()))
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v.SetInt("Images", imgcount)
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v.Set("Driver", daemon.GraphDriver().String())
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v.SetJson("DriverStatus", daemon.GraphDriver().Status())
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v.SetBool("MemoryLimit", daemon.SystemConfig().MemoryLimit)
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v.SetBool("SwapLimit", daemon.SystemConfig().SwapLimit)
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v.SetBool("IPv4Forwarding", !daemon.SystemConfig().IPv4ForwardingDisabled)
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v.SetBool("Debug", os.Getenv("DEBUG") != "")
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v.SetInt("NFd", fileutils.GetTotalUsedFds())
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v.SetInt("NGoroutines", runtime.NumGoroutine())
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v.Set("SystemTime", time.Now().Format(time.RFC3339Nano))
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v.Set("ExecutionDriver", daemon.ExecutionDriver().Name())
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v.Set("LoggingDriver", daemon.defaultLogConfig.Type)
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v.SetInt("NEventsListener", daemon.EventsService.SubscribersCount())
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v.Set("KernelVersion", kernelVersion)
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v.Set("OperatingSystem", operatingSystem)
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v.Set("IndexServerAddress", registry.IndexServerAddress())
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v.SetJson("RegistryConfig", daemon.RegistryService.Config)
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v.Set("InitSha1", dockerversion.INITSHA1)
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v.Set("InitPath", initPath)
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v.SetInt("NCPU", runtime.NumCPU())
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v.SetInt64("MemTotal", meminfo.MemTotal)
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v.Set("DockerRootDir", daemon.Config().Root)
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if httpProxy := os.Getenv("http_proxy"); httpProxy != "" {
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v.Set("HttpProxy", httpProxy)
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}
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if httpsProxy := os.Getenv("https_proxy"); httpsProxy != "" {
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v.Set("HttpsProxy", httpsProxy)
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}
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if noProxy := os.Getenv("no_proxy"); noProxy != "" {
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v.Set("NoProxy", noProxy)
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}
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if hostname, err := os.Hostname(); err == nil {
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v.SetJson("Name", hostname)
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}
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v.SetList("Labels", daemon.Config().Labels)
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if _, err := v.WriteTo(job.Stdout); err != nil {
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return err
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}
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return nil
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}
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