зеркало из https://github.com/microsoft/docker.git
190 строки
6.0 KiB
Go
190 строки
6.0 KiB
Go
package daemon
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"runtime"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/Sirupsen/logrus"
|
|
"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"
|
|
)
|
|
|
|
// 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: int(cRunning + cPaused + cStopped),
|
|
ContainersRunning: int(cRunning),
|
|
ContainersPaused: int(cPaused),
|
|
ContainersStopped: int(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,
|
|
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
|
|
}
|