func (daemon *Daemon) CmdInfo(job *engine.Job) engine.Status {
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 {
utils.Errorf("Could not determine if daemon is containerized: %v", err)
operatingSystem += " (error determining if containerized)"
} else if inContainer {
operatingSystem += " (containerized)"
}
// 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()
}
cjob := job.Eng.Job("subscribers_count")
env, _ := cjob.Stdout.AddEnv()
if err := cjob.Run(); err != nil {
return job.Error(err)
}
v := &engine.Env{}
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("ExecutionDriver", daemon.ExecutionDriver().Name())
v.SetInt("NEventsListener", env.GetInt("count"))
v.Set("KernelVersion", kernelVersion)
v.Set("OperatingSystem", operatingSystem)
v.Set("IndexServerAddress", registry.IndexServerAddress())
v.Set("InitSha1", dockerversion.INITSHA1)
v.Set("InitPath", initPath)
v.SetList("Sockets", daemon.Sockets)
if _, err := v.WriteTo(job.Stdout); err != nil {
return job.Error(err)
}
return engine.StatusOK
}
// 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 {
kernelVersion = kv.String()
}
operatingSystem := "<unknown>"
if s, err := operatingsystem.GetOperatingSystem(); err == nil {
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)
}
// 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()
}
sysInfo := sysinfo.New(true)
v := &types.Info{
ID: daemon.ID,
Containers: len(daemon.List()),
Images: len(daemon.imageStore.Map()),
Driver: daemon.GraphDriver().String(),
DriverStatus: daemon.GraphDriver().Status(),
Plugins: daemon.showPluginsInfo(),
IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled,
BridgeNfIptables: !sysInfo.BridgeNfCallIptablesDisabled,
BridgeNfIP6tables: !sysInfo.BridgeNfCallIP6tablesDisabled,
Debug: os.Getenv("DEBUG") != "",
NFd: fileutils.GetTotalUsedFds(),
NGoroutines: runtime.NumGoroutine(),
SystemTime: time.Now().Format(time.RFC3339Nano),
ExecutionDriver: daemon.ExecutionDriver().Name(),
LoggingDriver: daemon.defaultLogConfig.Type,
NEventsListener: daemon.EventsService.SubscribersCount(),
KernelVersion: kernelVersion,
OperatingSystem: operatingSystem,
IndexServerAddress: registry.IndexServer,
OSType: platform.OSType,
Architecture: platform.Architecture,
RegistryConfig: daemon.RegistryService.Config,
InitSha1: dockerversion.InitSHA1,
InitPath: initPath,
NCPU: runtime.NumCPU(),
MemTotal: meminfo.MemTotal,
DockerRootDir: daemon.config().Root,
Labels: daemon.config().Labels,
ExperimentalBuild: utils.ExperimentalBuild(),
ServerVersion: dockerversion.Version,
ClusterStore: daemon.config().ClusterStore,
ClusterAdvertise: daemon.config().ClusterAdvertise,
HTTPProxy: getProxyEnv("http_proxy"),
HTTPSProxy: getProxyEnv("https_proxy"),
NoProxy: getProxyEnv("no_proxy"),
}
// TODO Windows. Refactor this more once sysinfo is refactored into
// platform specific code. On Windows, sysinfo.cgroupMemInfo and
// sysinfo.cgroupCpuInfo will be nil otherwise and cause a SIGSEGV if
// an attempt is made to access through them.
if runtime.GOOS != "windows" {
v.MemoryLimit = sysInfo.MemoryLimit
v.SwapLimit = sysInfo.SwapLimit
v.OomKillDisable = sysInfo.OomKillDisable
v.CPUCfsPeriod = sysInfo.CPUCfsPeriod
v.CPUCfsQuota = sysInfo.CPUCfsQuota
v.CPUShares = sysInfo.CPUShares
v.CPUSet = sysInfo.Cpuset
}
if hostname, err := os.Hostname(); err == nil {
v.Name = hostname
}
return v, nil
}
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()
}
cjob := job.Eng.Job("subscribers_count")
env, _ := cjob.Stdout.AddEnv()
if err := cjob.Run(); err != nil {
return err
}
registryJob := job.Eng.Job("registry_config")
registryEnv, _ := registryJob.Stdout.AddEnv()
if err := registryJob.Run(); err != nil {
return err
}
registryConfig := registry.ServiceConfig{}
if err := registryEnv.GetJson("config", ®istryConfig); err != nil {
return err
}
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.SetInt("NEventsListener", env.GetInt("count"))
v.Set("KernelVersion", kernelVersion)
v.Set("OperatingSystem", operatingSystem)
v.Set("IndexServerAddress", registry.IndexServerAddress())
v.SetJson("RegistryConfig", registryConfig)
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 http_proxy := os.Getenv("http_proxy"); http_proxy != "" {
v.Set("HttpProxy", http_proxy)
}
if https_proxy := os.Getenv("https_proxy"); https_proxy != "" {
v.Set("HttpsProxy", https_proxy)
}
if no_proxy := os.Getenv("no_proxy"); no_proxy != "" {
v.Set("NoProxy", no_proxy)
}
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
}
// 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)
var cRunning, cPaused, cStopped int32
daemon.containers.ApplyAll(func(c *container.Container) {
switch c.StateString() {
case "paused":
atomic.AddInt32(&cPaused, 1)
case "running":
atomic.AddInt32(&cRunning, 1)
default:
atomic.AddInt32(&cStopped, 1)
}
})
securityOptions := []types.SecurityOpt{}
if sysInfo.AppArmor {
securityOptions = append(securityOptions, types.SecurityOpt{Key: "Name", Value: "apparmor"})
}
if sysInfo.Seccomp && supportsSeccomp {
profile := daemon.seccompProfilePath
if profile == "" {
profile = "default"
}
securityOptions = append(securityOptions,
types.SecurityOpt{Key: "Name", Value: "seccomp"},
types.SecurityOpt{Key: "Profile", Value: profile},
)
}
if selinuxEnabled() {
securityOptions = append(securityOptions, types.SecurityOpt{Key: "Name", Value: "selinux"})
}
uid, gid := daemon.GetRemappedUIDGID()
if uid != 0 || gid != 0 {
securityOptions = append(securityOptions, types.SecurityOpt{Key: "Name", Value: "userns"})
}
v := &types.InfoBase{
ID: daemon.ID,
Containers: int(cRunning + cPaused + cStopped),
ContainersRunning: int(cRunning),
ContainersPaused: int(cPaused),
ContainersStopped: int(cStopped),
Images: len(daemon.imageStore.Map()),
Driver: daemon.GraphDriverName(),
DriverStatus: daemon.layerStore.DriverStatus(),
Plugins: daemon.showPluginsInfo(),
IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled,
BridgeNfIptables: !sysInfo.BridgeNFCallIPTablesDisabled,
BridgeNfIP6tables: !sysInfo.BridgeNFCallIP6TablesDisabled,
Debug: utils.IsDebugEnabled(),
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,
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,
Isolation: daemon.defaultIsolation,
}
// TODO Windows. Refactor this more once sysinfo is refactored into
// platform specific code. On Windows, sysinfo.cgroupMemInfo and
// sysinfo.cgroupCpuInfo will be nil otherwise and cause a SIGSEGV if
// an attempt is made to access through them.
if runtime.GOOS != "windows" {
v.MemoryLimit = sysInfo.MemoryLimit
v.SwapLimit = sysInfo.SwapLimit
v.KernelMemory = sysInfo.KernelMemory
v.OomKillDisable = sysInfo.OomKillDisable
v.CPUCfsPeriod = sysInfo.CPUCfsPeriod
v.CPUCfsQuota = sysInfo.CPUCfsQuota
v.CPUShares = sysInfo.CPUShares
v.CPUSet = sysInfo.Cpuset
v.Runtimes = daemon.configStore.GetAllRuntimes()
v.DefaultRuntime = daemon.configStore.GetDefaultRuntimeName()
v.InitBinary = daemon.configStore.GetInitPath()
v.ContainerdCommit.Expected = dockerversion.ContainerdCommitID
if sv, err := daemon.containerd.GetServerVersion(context.Background()); err == nil {
v.ContainerdCommit.ID = sv.Revision
} else {
logrus.Warnf("failed to retrieve containerd version: %v", err)
v.ContainerdCommit.ID = "N/A"
}
v.RuncCommit.Expected = dockerversion.RuncCommitID
if rv, err := exec.Command(DefaultRuntimeBinary, "--version").Output(); err == nil {
parts := strings.Split(strings.TrimSpace(string(rv)), "\n")
if len(parts) == 3 {
parts = strings.Split(parts[1], ": ")
if len(parts) == 2 {
v.RuncCommit.ID = strings.TrimSpace(parts[1])
}
}
} else {
logrus.Warnf("failed to retrieve %s version: %v", DefaultRuntimeBinary, err)
v.RuncCommit.ID = "N/A"
}
if v.RuncCommit.ID == "" {
logrus.Warnf("failed to retrieve %s version: unknown output format", DefaultRuntimeBinary)
v.RuncCommit.ID = "N/A"
}
v.InitCommit.Expected = dockerversion.InitCommitID
if rv, err := exec.Command(DefaultInitBinary, "--version").Output(); err == nil {
parts := strings.Split(string(rv), " ")
if len(parts) == 3 {
v.InitCommit.ID = strings.TrimSpace(parts[2])
} else {
logrus.Warnf("failed to retrieve %s version: unknown output format", DefaultInitBinary)
v.InitCommit.ID = "N/A"
}
} else {
logrus.Warnf("failed to retrieve %s version", DefaultInitBinary)
v.InitCommit.ID = "N/A"
}
}
hostname := ""
if hn, err := os.Hostname(); err != nil {
logrus.Warnf("Could not get hostname: %v", err)
} else {
hostname = hn
}
v.Name = hostname
i := &types.Info{
InfoBase: v,
SecurityOptions: securityOptions,
}
return i, nil
}
func (cli *Docker) SendCmdInfo(args ...string) (*types.Info, error) {
daemon := cli.daemon
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
}
// Don't do containerized check on Windows
if runtime.GOOS != "windows" {
if inContainer, err := operatingsystem.IsContainerized(); err != nil {
glog.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 {
glog.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 := &types.Info{
ID: daemon.ID,
Containers: len(daemon.List()),
Images: imgcount,
Driver: daemon.GraphDriver().String(),
DriverStatus: daemon.GraphDriver().Status(),
MemoryLimit: daemon.SystemConfig().MemoryLimit,
SwapLimit: daemon.SystemConfig().SwapLimit,
CPUCfsPeriod: daemon.SystemConfig().CPUCfsPeriod,
CPUCfsQuota: daemon.SystemConfig().CPUCfsQuota,
IPv4Forwarding: !daemon.SystemConfig().IPv4ForwardingDisabled,
Debug: os.Getenv("DEBUG") != "",
NFd: fileutils.GetTotalUsedFds(),
OomKillDisable: daemon.SystemConfig().OomKillDisable,
NGoroutines: runtime.NumGoroutine(),
SystemTime: time.Now().Format(time.RFC3339Nano),
NEventsListener: daemon.EventsService.SubscribersCount(),
KernelVersion: kernelVersion,
OperatingSystem: operatingSystem,
IndexServerAddress: registry.IndexServer,
RegistryConfig: daemon.RegistryService.Config,
InitSha1: dockerversion.InitSHA1,
InitPath: initPath,
NCPU: runtime.NumCPU(),
MemTotal: meminfo.MemTotal,
DockerRootDir: daemon.Config().Root,
Labels: daemon.Config().Labels,
ExperimentalBuild: utils.ExperimentalBuild(),
ServerVersion: dockerversion.Version,
ClusterStore: daemon.Config().ClusterStore,
ClusterAdvertise: daemon.Config().ClusterAdvertise,
HTTPProxy: getProxyEnv("http_proxy"),
HTTPSProxy: getProxyEnv("https_proxy"),
NoProxy: getProxyEnv("no_proxy"),
}
if hostname, err := os.Hostname(); err == nil {
v.Name = hostname
}
return v, nil
}
// 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)
}
sysInfo := sysinfo.New(true)
var cRunning, cPaused, cStopped int32
daemon.containers.ApplyAll(func(c *container.Container) {
switch c.StateString() {
case "paused":
atomic.AddInt32(&cPaused, 1)
case "running":
atomic.AddInt32(&cRunning, 1)
default:
atomic.AddInt32(&cStopped, 1)
}
})
var securityOptions []string
if sysInfo.AppArmor {
securityOptions = append(securityOptions, "apparmor")
}
if sysInfo.Seccomp {
securityOptions = append(securityOptions, "seccomp")
}
if selinuxEnabled() {
securityOptions = append(securityOptions, "selinux")
}
v := &types.Info{
ID: daemon.ID,
Containers: int(cRunning + cPaused + cStopped),
ContainersRunning: int(cRunning),
ContainersPaused: int(cPaused),
ContainersStopped: int(cStopped),
Images: len(daemon.imageStore.Map()),
Driver: daemon.GraphDriverName(),
DriverStatus: daemon.layerStore.DriverStatus(),
Plugins: daemon.showPluginsInfo(),
IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled,
BridgeNfIptables: !sysInfo.BridgeNFCallIPTablesDisabled,
BridgeNfIP6tables: !sysInfo.BridgeNFCallIP6TablesDisabled,
Debug: utils.IsDebugEnabled(),
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,
DockerRootDir: daemon.configStore.Root,
Labels: daemon.configStore.Labels,
ExperimentalBuild: utils.ExperimentalBuild(),
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"),
SecurityOptions: securityOptions,
}
// TODO Windows. Refactor this more once sysinfo is refactored into
// platform specific code. On Windows, sysinfo.cgroupMemInfo and
// sysinfo.cgroupCpuInfo will be nil otherwise and cause a SIGSEGV if
// an attempt is made to access through them.
if runtime.GOOS != "windows" {
v.MemoryLimit = sysInfo.MemoryLimit
v.SwapLimit = sysInfo.SwapLimit
v.KernelMemory = sysInfo.KernelMemory
v.OomKillDisable = sysInfo.OomKillDisable
v.CPUCfsPeriod = sysInfo.CPUCfsPeriod
v.CPUCfsQuota = sysInfo.CPUCfsQuota
v.CPUShares = sysInfo.CPUShares
v.CPUSet = sysInfo.Cpuset
v.Runtimes = daemon.configStore.GetAllRuntimes()
v.DefaultRuntime = daemon.configStore.GetDefaultRuntimeName()
}
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
}
// 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)
var cRunning, cPaused, cStopped int32
daemon.containers.ApplyAll(func(c *container.Container) {
switch c.StateString() {
case "paused":
atomic.AddInt32(&cPaused, 1)
case "running":
atomic.AddInt32(&cRunning, 1)
default:
atomic.AddInt32(&cStopped, 1)
}
})
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")
}
uid, gid := daemon.GetRemappedUIDGID()
if uid != 0 || gid != 0 {
securityOptions = append(securityOptions, "name=userns")
}
v := &types.Info{
ID: daemon.ID,
Containers: int(cRunning + cPaused + cStopped),
ContainersRunning: int(cRunning),
ContainersPaused: int(cPaused),
ContainersStopped: int(cStopped),
Images: len(daemon.imageStore.Map()),
Driver: daemon.GraphDriverName(),
DriverStatus: daemon.layerStore.DriverStatus(),
Plugins: daemon.showPluginsInfo(),
IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled,
BridgeNfIptables: !sysInfo.BridgeNFCallIPTablesDisabled,
BridgeNfIP6tables: !sysInfo.BridgeNFCallIP6TablesDisabled,
Debug: utils.IsDebugEnabled(),
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,
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
}