package daemon import ( "encoding/json" "errors" "fmt" "os" "path/filepath" "runtime" "strings" "github.com/Sirupsen/logrus" "github.com/docker/docker/container" "github.com/docker/docker/daemon/graphdriver" "github.com/docker/docker/dockerversion" "github.com/docker/docker/image" "github.com/docker/docker/layer" "github.com/docker/docker/reference" containertypes "github.com/docker/engine-api/types/container" // register the windows graph driver "github.com/docker/docker/daemon/graphdriver/windows" "github.com/docker/docker/pkg/idtools" "github.com/docker/docker/pkg/system" "github.com/docker/libnetwork" blkiodev "github.com/opencontainers/runc/libcontainer/configs" ) const ( defaultVirtualSwitch = "Virtual Switch" platformSupported = true windowsMinCPUShares = 1 windowsMaxCPUShares = 10000 ) func getBlkioWeightDevices(config *containertypes.HostConfig) ([]*blkiodev.WeightDevice, error) { return nil, nil } func parseSecurityOpt(container *container.Container, config *containertypes.HostConfig) error { return nil } func getBlkioReadIOpsDevices(config *containertypes.HostConfig) ([]*blkiodev.ThrottleDevice, error) { return nil, nil } func getBlkioWriteIOpsDevices(config *containertypes.HostConfig) ([]*blkiodev.ThrottleDevice, error) { return nil, nil } func getBlkioReadBpsDevices(config *containertypes.HostConfig) ([]*blkiodev.ThrottleDevice, error) { return nil, nil } func getBlkioWriteBpsDevices(config *containertypes.HostConfig) ([]*blkiodev.ThrottleDevice, error) { return nil, nil } func setupInitLayer(initLayer string, rootUID, rootGID int) error { return nil } func checkKernel() error { return nil } // adaptContainerSettings is called during container creation to modify any // settings necessary in the HostConfig structure. func (daemon *Daemon) adaptContainerSettings(hostConfig *containertypes.HostConfig, adjustCPUShares bool) error { if hostConfig == nil { return nil } if hostConfig.CPUShares < 0 { logrus.Warnf("Changing requested CPUShares of %d to minimum allowed of %d", hostConfig.CPUShares, windowsMinCPUShares) hostConfig.CPUShares = windowsMinCPUShares } else if hostConfig.CPUShares > windowsMaxCPUShares { logrus.Warnf("Changing requested CPUShares of %d to maximum allowed of %d", hostConfig.CPUShares, windowsMaxCPUShares) hostConfig.CPUShares = windowsMaxCPUShares } return nil } // verifyPlatformContainerSettings performs platform-specific validation of the // hostconfig and config structures. func verifyPlatformContainerSettings(daemon *Daemon, hostConfig *containertypes.HostConfig, config *containertypes.Config) ([]string, error) { return nil, nil } // verifyDaemonSettings performs validation of daemon config struct func verifyDaemonSettings(config *Config) error { return nil } // checkSystem validates platform-specific requirements func checkSystem() error { // Validate the OS version. Note that docker.exe must be manifested for this // call to return the correct version. osv, err := system.GetOSVersion() if err != nil { return err } if osv.MajorVersion < 10 { return fmt.Errorf("This version of Windows does not support the docker daemon") } if osv.Build < 10586 { return fmt.Errorf("The Windows daemon requires Windows Server 2016 Technical Preview 4, build 10586 or later") } return nil } // configureKernelSecuritySupport configures and validate security support for the kernel func configureKernelSecuritySupport(config *Config, driverName string) error { return nil } func isBridgeNetworkDisabled(config *Config) bool { return false } func (daemon *Daemon) initNetworkController(config *Config) (libnetwork.NetworkController, error) { // Set the name of the virtual switch if not specified by -b on daemon start if config.bridgeConfig.VirtualSwitchName == "" { config.bridgeConfig.VirtualSwitchName = defaultVirtualSwitch } return nil, nil } // registerLinks sets up links between containers and writes the // configuration out for persistence. As of Windows TP4, links are not supported. func (daemon *Daemon) registerLinks(container *container.Container, hostConfig *containertypes.HostConfig) error { return nil } func (daemon *Daemon) cleanupMounts() error { return nil } func setupRemappedRoot(config *Config) ([]idtools.IDMap, []idtools.IDMap, error) { return nil, nil, nil } func setupDaemonRoot(config *Config, rootDir string, rootUID, rootGID int) error { config.Root = rootDir // Create the root directory if it doesn't exists if err := system.MkdirAll(config.Root, 0700); err != nil && !os.IsExist(err) { return err } return nil } // conditionalMountOnStart is a platform specific helper function during the // container start to call mount. func (daemon *Daemon) conditionalMountOnStart(container *container.Container) error { // We do not mount if a Hyper-V container if !container.HostConfig.Isolation.IsHyperV() { if err := daemon.Mount(container); err != nil { return err } } return nil } // conditionalUnmountOnCleanup is a platform specific helper function called // during the cleanup of a container to unmount. func (daemon *Daemon) conditionalUnmountOnCleanup(container *container.Container) { // We do not unmount if a Hyper-V container if !container.HostConfig.Isolation.IsHyperV() { daemon.Unmount(container) } } func restoreCustomImage(is image.Store, ls layer.Store, rs reference.Store) error { type graphDriverStore interface { GraphDriver() graphdriver.Driver } gds, ok := ls.(graphDriverStore) if !ok { return nil } driver := gds.GraphDriver() wd, ok := driver.(*windows.Driver) if !ok { return nil } imageInfos, err := wd.GetCustomImageInfos() if err != nil { return err } // Convert imageData to valid image configuration for i := range imageInfos { name := strings.ToLower(imageInfos[i].Name) type registrar interface { RegisterDiffID(graphID string, size int64) (layer.Layer, error) } r, ok := ls.(registrar) if !ok { return errors.New("Layerstore doesn't support RegisterDiffID") } if _, err := r.RegisterDiffID(imageInfos[i].ID, imageInfos[i].Size); err != nil { return err } // layer is intentionally not released rootFS := image.NewRootFS() rootFS.BaseLayer = filepath.Base(imageInfos[i].Path) // Create history for base layer config, err := json.Marshal(&image.Image{ V1Image: image.V1Image{ DockerVersion: dockerversion.Version, Architecture: runtime.GOARCH, OS: runtime.GOOS, Created: imageInfos[i].CreatedTime, }, RootFS: rootFS, History: []image.History{}, }) named, err := reference.ParseNamed(name) if err != nil { return err } ref, err := reference.WithTag(named, imageInfos[i].Version) if err != nil { return err } id, err := is.Create(config) if err != nil { return err } if err := rs.AddTag(ref, id, true); err != nil { return err } logrus.Debugf("Registered base layer %s as %s", ref, id) } return nil }