moby--moby/daemon/container_operations_windows.go

// +build windows

package daemon

import (
	"fmt"
	"strings"

	networktypes "github.com/docker/engine-api/types/network"

	"github.com/docker/docker/container"
	"github.com/docker/docker/daemon/execdriver"
	"github.com/docker/docker/daemon/execdriver/windows"
	"github.com/docker/docker/layer"
	"github.com/docker/libnetwork"
)

func (daemon *Daemon) setupLinkedContainers(container *container.Container) ([]string, error) {
	return nil, nil
}

// ConnectToNetwork connects a container to a network
func (daemon *Daemon) ConnectToNetwork(container *container.Container, idOrName string, endpointConfig *networktypes.EndpointSettings) error {
	return fmt.Errorf("Windows does not support connecting a running container to a network")
}

// DisconnectFromNetwork disconnects container from a network.
func (daemon *Daemon) DisconnectFromNetwork(container *container.Container, n libnetwork.Network, force bool) error {
	return fmt.Errorf("Windows does not support disconnecting a running container from a network")
}

func (daemon *Daemon) populateCommand(c *container.Container, env []string) error {
	en := &execdriver.Network{
		Interface: nil,
	}

	var epList []string

	// Connect all the libnetwork allocated networks to the container
	if c.NetworkSettings != nil {
		for n := range c.NetworkSettings.Networks {
			sn, err := daemon.FindNetwork(n)
			if err != nil {
				continue
			}

			ep, err := c.GetEndpointInNetwork(sn)
			if err != nil {
				continue
			}

			data, err := ep.DriverInfo()
			if err != nil {
				continue
			}
			if data["hnsid"] != nil {
				epList = append(epList, data["hnsid"].(string))
			}
		}
	}

	if daemon.netController == nil {
		parts := strings.SplitN(string(c.HostConfig.NetworkMode), ":", 2)
		switch parts[0] {
		case "none":
		case "default", "": // empty string to support existing containers
			if !c.Config.NetworkDisabled {
				en.Interface = &execdriver.NetworkInterface{
					MacAddress:   c.Config.MacAddress,
					Bridge:       daemon.configStore.bridgeConfig.Iface,
					PortBindings: c.HostConfig.PortBindings,

					// TODO Windows. Include IPAddress. There already is a
					// property IPAddress on execDrive.CommonNetworkInterface,
					// but there is no CLI option in docker to pass through
					// an IPAddress on docker run.
				}
			}
		default:
			return fmt.Errorf("invalid network mode: %s", c.HostConfig.NetworkMode)
		}
	}

	// TODO Windows. More resource controls to be implemented later.
	resources := &execdriver.Resources{
		CommonResources: execdriver.CommonResources{
			CPUShares: c.HostConfig.CPUShares,
		},
	}

	processConfig := execdriver.ProcessConfig{
		CommonProcessConfig: execdriver.CommonProcessConfig{
			Entrypoint: c.Path,
			Arguments:  c.Args,
			Tty:        c.Config.Tty,
		},
		ConsoleSize: c.HostConfig.ConsoleSize,
	}

	processConfig.Env = env

	var layerPaths []string
	img, err := daemon.imageStore.Get(c.ImageID)
	if err != nil {
		return fmt.Errorf("Failed to graph.Get on ImageID %s - %s", c.ImageID, err)
	}

	if img.RootFS != nil && img.RootFS.Type == "layers+base" {
		max := len(img.RootFS.DiffIDs)
		for i := 0; i <= max; i++ {
			img.RootFS.DiffIDs = img.RootFS.DiffIDs[:i]
			path, err := layer.GetLayerPath(daemon.layerStore, img.RootFS.ChainID())
			if err != nil {
				return fmt.Errorf("Failed to get layer path from graphdriver %s for ImageID %s - %s", daemon.layerStore, img.RootFS.ChainID(), err)
			}
			// Reverse order, expecting parent most first
			layerPaths = append([]string{path}, layerPaths...)
		}
	}

	m, err := c.RWLayer.Metadata()
	if err != nil {
		return fmt.Errorf("Failed to get layer metadata - %s", err)
	}
	layerFolder := m["dir"]

	var hvPartition bool
	// Work out the isolation (whether it is a hypervisor partition)
	if c.HostConfig.Isolation.IsDefault() {
		// Not specified by caller. Take daemon default
		hvPartition = windows.DefaultIsolation.IsHyperV()
	} else {
		// Take value specified by caller
		hvPartition = c.HostConfig.Isolation.IsHyperV()
	}

	c.Command = &execdriver.Command{
		CommonCommand: execdriver.CommonCommand{
			ID:            c.ID,
			Rootfs:        c.BaseFS,
			WorkingDir:    c.Config.WorkingDir,
			Network:       en,
			MountLabel:    c.GetMountLabel(),
			Resources:     resources,
			ProcessConfig: processConfig,
			ProcessLabel:  c.GetProcessLabel(),
		},
		FirstStart:  !c.HasBeenStartedBefore,
		LayerFolder: layerFolder,
		LayerPaths:  layerPaths,
		Hostname:    c.Config.Hostname,
		Isolation:   string(c.HostConfig.Isolation),
		ArgsEscaped: c.Config.ArgsEscaped,
		HvPartition: hvPartition,
		EpList:      epList,
	}

	return nil
}

// getSize returns real size & virtual size
func (daemon *Daemon) getSize(container *container.Container) (int64, int64) {
	// TODO Windows
	return 0, 0
}

// setNetworkNamespaceKey is a no-op on Windows.
func (daemon *Daemon) setNetworkNamespaceKey(containerID string, pid int) error {
	return nil
}

func (daemon *Daemon) setupIpcDirs(container *container.Container) error {
	return nil
}

// TODO Windows: Fix Post-TP4. This is a hack to allow docker cp to work
// against containers which have volumes. You will still be able to cp
// to somewhere on the container drive, but not to any mounted volumes
// inside the container. Without this fix, docker cp is broken to any
// container which has a volume, regardless of where the file is inside the
// container.
func (daemon *Daemon) mountVolumes(container *container.Container) error {
	return nil
}

func detachMounted(path string) error {
	return nil
}

func killProcessDirectly(container *container.Container) error {
	return nil
}

func isLinkable(child *container.Container) bool {
	return false
}