| package daemon |
| |
| import ( |
| "fmt" |
| "os" |
| "runtime" |
| "strings" |
| "time" |
| |
| "github.com/docker/docker/api" |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/cli/debug" |
| "github.com/docker/docker/daemon/logger" |
| "github.com/docker/docker/dockerversion" |
| "github.com/docker/docker/pkg/fileutils" |
| "github.com/docker/docker/pkg/parsers/kernel" |
| "github.com/docker/docker/pkg/parsers/operatingsystem" |
| "github.com/docker/docker/pkg/platform" |
| "github.com/docker/docker/pkg/sysinfo" |
| "github.com/docker/docker/pkg/system" |
| "github.com/docker/docker/registry" |
| "github.com/docker/docker/volume/drivers" |
| "github.com/docker/go-connections/sockets" |
| "github.com/sirupsen/logrus" |
| ) |
| |
| // SystemInfo returns information about the host server the daemon is running on. |
| func (daemon *Daemon) SystemInfo() (*types.Info, error) { |
| kernelVersion := "<unknown>" |
| if kv, err := kernel.GetKernelVersion(); err != nil { |
| logrus.Warnf("Could not get kernel version: %v", err) |
| } else { |
| kernelVersion = kv.String() |
| } |
| |
| operatingSystem := "<unknown>" |
| if s, err := operatingsystem.GetOperatingSystem(); err != nil { |
| logrus.Warnf("Could not get operating system name: %v", err) |
| } else { |
| operatingSystem = s |
| } |
| |
| // Don't do containerized check on Windows |
| if runtime.GOOS != "windows" { |
| 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) |
| meminfo = &system.MemInfo{} |
| } |
| |
| sysInfo := sysinfo.New(true) |
| cRunning, cPaused, cStopped := stateCtr.get() |
| |
| securityOptions := []string{} |
| if sysInfo.AppArmor { |
| securityOptions = append(securityOptions, "name=apparmor") |
| } |
| if sysInfo.Seccomp && supportsSeccomp { |
| profile := daemon.seccompProfilePath |
| if profile == "" { |
| profile = "default" |
| } |
| securityOptions = append(securityOptions, fmt.Sprintf("name=seccomp,profile=%s", profile)) |
| } |
| if selinuxEnabled() { |
| securityOptions = append(securityOptions, "name=selinux") |
| } |
| rootIDs := daemon.idMappings.RootPair() |
| if rootIDs.UID != 0 || rootIDs.GID != 0 { |
| securityOptions = append(securityOptions, "name=userns") |
| } |
| |
| imageCount := 0 |
| drivers := "" |
| for p, ds := range daemon.stores { |
| imageCount += len(ds.imageStore.Map()) |
| drivers += daemon.GraphDriverName(p) |
| if len(daemon.stores) > 1 { |
| drivers += fmt.Sprintf(" (%s) ", p) |
| } |
| } |
| |
| // TODO @jhowardmsft LCOW support. For now, hard-code the platform shown for the driver status |
| p := runtime.GOOS |
| if system.LCOWSupported() { |
| p = "linux" |
| } |
| |
| drivers = strings.TrimSpace(drivers) |
| v := &types.Info{ |
| ID: daemon.ID, |
| Containers: cRunning + cPaused + cStopped, |
| ContainersRunning: cRunning, |
| ContainersPaused: cPaused, |
| ContainersStopped: cStopped, |
| Images: imageCount, |
| Driver: drivers, |
| DriverStatus: daemon.stores[p].layerStore.DriverStatus(), |
| Plugins: daemon.showPluginsInfo(), |
| IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled, |
| BridgeNfIptables: !sysInfo.BridgeNFCallIPTablesDisabled, |
| BridgeNfIP6tables: !sysInfo.BridgeNFCallIP6TablesDisabled, |
| Debug: debug.IsEnabled(), |
| NFd: fileutils.GetTotalUsedFds(), |
| NGoroutines: runtime.NumGoroutine(), |
| SystemTime: time.Now().Format(time.RFC3339Nano), |
| LoggingDriver: daemon.defaultLogConfig.Type, |
| CgroupDriver: daemon.getCgroupDriver(), |
| NEventsListener: daemon.EventsService.SubscribersCount(), |
| KernelVersion: kernelVersion, |
| OperatingSystem: operatingSystem, |
| IndexServerAddress: registry.IndexServer, |
| OSType: platform.OSType, |
| Architecture: platform.Architecture, |
| RegistryConfig: daemon.RegistryService.ServiceConfig(), |
| NCPU: sysinfo.NumCPU(), |
| MemTotal: meminfo.MemTotal, |
| GenericResources: daemon.genericResources, |
| DockerRootDir: daemon.configStore.Root, |
| Labels: daemon.configStore.Labels, |
| ExperimentalBuild: daemon.configStore.Experimental, |
| ServerVersion: dockerversion.Version, |
| ClusterStore: daemon.configStore.ClusterStore, |
| ClusterAdvertise: daemon.configStore.ClusterAdvertise, |
| HTTPProxy: sockets.GetProxyEnv("http_proxy"), |
| HTTPSProxy: sockets.GetProxyEnv("https_proxy"), |
| NoProxy: sockets.GetProxyEnv("no_proxy"), |
| LiveRestoreEnabled: daemon.configStore.LiveRestoreEnabled, |
| SecurityOptions: securityOptions, |
| Isolation: daemon.defaultIsolation, |
| } |
| |
| // Retrieve platform specific info |
| daemon.FillPlatformInfo(v, sysInfo) |
| |
| hostname := "" |
| if hn, err := os.Hostname(); err != nil { |
| logrus.Warnf("Could not get hostname: %v", err) |
| } else { |
| hostname = hn |
| } |
| v.Name = hostname |
| |
| return v, nil |
| } |
| |
| // SystemVersion returns version information about the daemon. |
| func (daemon *Daemon) SystemVersion() types.Version { |
| v := types.Version{ |
| Version: dockerversion.Version, |
| GitCommit: dockerversion.GitCommit, |
| MinAPIVersion: api.MinVersion, |
| GoVersion: runtime.Version(), |
| Os: runtime.GOOS, |
| Arch: runtime.GOARCH, |
| BuildTime: dockerversion.BuildTime, |
| Experimental: daemon.configStore.Experimental, |
| } |
| |
| kernelVersion := "<unknown>" |
| if kv, err := kernel.GetKernelVersion(); err != nil { |
| logrus.Warnf("Could not get kernel version: %v", err) |
| } else { |
| kernelVersion = kv.String() |
| } |
| v.KernelVersion = kernelVersion |
| |
| return v |
| } |
| |
| func (daemon *Daemon) showPluginsInfo() types.PluginsInfo { |
| var pluginsInfo types.PluginsInfo |
| |
| pluginsInfo.Volume = volumedrivers.GetDriverList() |
| pluginsInfo.Network = daemon.GetNetworkDriverList() |
| // The authorization plugins are returned in the order they are |
| // used as they constitute a request/response modification chain. |
| pluginsInfo.Authorization = daemon.configStore.AuthorizationPlugins |
| pluginsInfo.Log = logger.ListDrivers() |
| |
| return pluginsInfo |
| } |