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107 lines
3.6 KiB
Go
107 lines
3.6 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/api/types"
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"github.com/docker/docker/autogen/dockerversion"
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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) SystemInfo() (*types.Info, 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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// Don't do containerized check on Windows
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if runtime.GOOS != "windows" {
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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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}
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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 := &types.Info{
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ID: daemon.ID,
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Containers: len(daemon.List()),
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Images: imgcount,
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Driver: daemon.GraphDriver().String(),
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DriverStatus: daemon.GraphDriver().Status(),
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MemoryLimit: daemon.SystemConfig().MemoryLimit,
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SwapLimit: daemon.SystemConfig().SwapLimit,
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CpuCfsPeriod: daemon.SystemConfig().CpuCfsPeriod,
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CpuCfsQuota: daemon.SystemConfig().CpuCfsQuota,
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IPv4Forwarding: !daemon.SystemConfig().IPv4ForwardingDisabled,
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BridgeNfIptables: !daemon.SystemConfig().BridgeNfCallIptablesDisabled,
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BridgeNfIp6tables: !daemon.SystemConfig().BridgeNfCallIp6tablesDisabled,
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Debug: os.Getenv("DEBUG") != "",
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NFd: fileutils.GetTotalUsedFds(),
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OomKillDisable: daemon.SystemConfig().OomKillDisable,
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NGoroutines: runtime.NumGoroutine(),
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SystemTime: time.Now().Format(time.RFC3339Nano),
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ExecutionDriver: daemon.ExecutionDriver().Name(),
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LoggingDriver: daemon.defaultLogConfig.Type,
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NEventsListener: daemon.EventsService.SubscribersCount(),
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KernelVersion: kernelVersion,
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OperatingSystem: operatingSystem,
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IndexServerAddress: registry.IndexServerAddress(),
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RegistryConfig: daemon.RegistryService.Config,
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InitSha1: dockerversion.INITSHA1,
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InitPath: initPath,
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NCPU: runtime.NumCPU(),
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MemTotal: meminfo.MemTotal,
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DockerRootDir: daemon.Config().Root,
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Labels: daemon.Config().Labels,
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ExperimentalBuild: utils.ExperimentalBuild(),
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}
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if httpProxy := os.Getenv("http_proxy"); httpProxy != "" {
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v.HttpProxy = httpProxy
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}
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if httpsProxy := os.Getenv("https_proxy"); httpsProxy != "" {
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v.HttpsProxy = httpsProxy
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}
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if noProxy := os.Getenv("no_proxy"); noProxy != "" {
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v.NoProxy = noProxy
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}
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if hostname, err := os.Hostname(); err == nil {
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v.Name = hostname
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}
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return v, nil
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}
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