зеркало из https://github.com/microsoft/docker.git
75 строки
2.4 KiB
Go
75 строки
2.4 KiB
Go
package daemon
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import (
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"os"
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"runtime"
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"github.com/docker/docker/dockerversion"
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"github.com/docker/docker/engine"
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"github.com/docker/docker/pkg/log"
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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/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) engine.Status {
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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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log.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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// 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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cjob := job.Eng.Job("subscribers_count")
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env, _ := cjob.Stdout.AddEnv()
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if err := cjob.Run(); err != nil {
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return job.Error(err)
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}
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v := &engine.Env{}
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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", utils.GetTotalUsedFds())
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v.SetInt("NGoroutines", runtime.NumGoroutine())
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v.Set("ExecutionDriver", daemon.ExecutionDriver().Name())
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v.SetInt("NEventsListener", env.GetInt("count"))
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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.Set("InitSha1", dockerversion.INITSHA1)
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v.Set("InitPath", initPath)
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if _, err := v.WriteTo(job.Stdout); err != nil {
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return job.Error(err)
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}
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return engine.StatusOK
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}
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