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moby--moby/daemon/info.go
Alexander Morozov c9eb37f975 Remove engine usage for events
Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-04-07 08:43:18 -07:00

97 lines
3.2 KiB
Go

package daemon
import (
"os"
"runtime"
"time"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/autogen/dockerversion"
"github.com/docker/docker/engine"
"github.com/docker/docker/pkg/parsers/kernel"
"github.com/docker/docker/pkg/parsers/operatingsystem"
"github.com/docker/docker/pkg/system"
"github.com/docker/docker/registry"
"github.com/docker/docker/utils"
)
func (daemon *Daemon) CmdInfo(job *engine.Job) error {
images, _ := daemon.Graph().Map()
var imgcount int
if images == nil {
imgcount = 0
} else {
imgcount = len(images)
}
kernelVersion := "<unknown>"
if kv, err := kernel.GetKernelVersion(); err == nil {
kernelVersion = kv.String()
}
operatingSystem := "<unknown>"
if s, err := operatingsystem.GetOperatingSystem(); err == nil {
operatingSystem = s
}
if inContainer, err := operatingsystem.IsContainerized(); err != nil {
logrus.Errorf("Could not determine if daemon is containerized: %v", err)
operatingSystem += " (error determining if containerized)"
} else if inContainer {
operatingSystem += " (containerized)"
}
meminfo, err := system.ReadMemInfo()
if err != nil {
logrus.Errorf("Could not read system memory info: %v", err)
}
// 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)
initPath := utils.DockerInitPath("")
if initPath == "" {
// if that fails, we'll just return the path from the daemon
initPath = daemon.SystemInitPath()
}
v := &engine.Env{}
v.SetJson("ID", daemon.ID)
v.SetInt("Containers", len(daemon.List()))
v.SetInt("Images", imgcount)
v.Set("Driver", daemon.GraphDriver().String())
v.SetJson("DriverStatus", daemon.GraphDriver().Status())
v.SetBool("MemoryLimit", daemon.SystemConfig().MemoryLimit)
v.SetBool("SwapLimit", daemon.SystemConfig().SwapLimit)
v.SetBool("IPv4Forwarding", !daemon.SystemConfig().IPv4ForwardingDisabled)
v.SetBool("Debug", os.Getenv("DEBUG") != "")
v.SetInt("NFd", utils.GetTotalUsedFds())
v.SetInt("NGoroutines", runtime.NumGoroutine())
v.Set("SystemTime", time.Now().Format(time.RFC3339Nano))
v.Set("ExecutionDriver", daemon.ExecutionDriver().Name())
v.Set("LoggingDriver", daemon.defaultLogConfig.Type)
v.SetInt("NEventsListener", daemon.EventsService.SubscribersCount())
v.Set("KernelVersion", kernelVersion)
v.Set("OperatingSystem", operatingSystem)
v.Set("IndexServerAddress", registry.IndexServerAddress())
v.SetJson("RegistryConfig", daemon.RegistryService.Config)
v.Set("InitSha1", dockerversion.INITSHA1)
v.Set("InitPath", initPath)
v.SetInt("NCPU", runtime.NumCPU())
v.SetInt64("MemTotal", meminfo.MemTotal)
v.Set("DockerRootDir", daemon.Config().Root)
if httpProxy := os.Getenv("http_proxy"); httpProxy != "" {
v.Set("HttpProxy", httpProxy)
}
if httpsProxy := os.Getenv("https_proxy"); httpsProxy != "" {
v.Set("HttpsProxy", httpsProxy)
}
if noProxy := os.Getenv("no_proxy"); noProxy != "" {
v.Set("NoProxy", noProxy)
}
if hostname, err := os.Hostname(); err == nil {
v.SetJson("Name", hostname)
}
v.SetList("Labels", daemon.Config().Labels)
if _, err := v.WriteTo(job.Stdout); err != nil {
return err
}
return nil
}