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moby--moby/container/container_windows.go
John Howard 94d70d8355 Windows libcontainerd implementation
Signed-off-by: John Howard <jhoward@microsoft.com>
Signed-off-by: John Starks <jostarks@microsoft.com>
Signed-off-by: Darren Stahl <darst@microsoft.com>
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2016-03-18 13:38:41 -07:00

105 lines
3.3 KiB
Go

// +build windows
package container
import (
"fmt"
"os"
"path/filepath"
"github.com/docker/docker/volume"
containertypes "github.com/docker/engine-api/types/container"
)
// Container holds fields specific to the Windows implementation. See
// CommonContainer for standard fields common to all containers.
type Container struct {
CommonContainer
HostnamePath string
HostsPath string
ResolvConfPath string
// Fields below here are platform specific.
}
// ExitStatus provides exit reasons for a container.
type ExitStatus struct {
// The exit code with which the container exited.
ExitCode int
}
// CreateDaemonEnvironment creates a new environment variable slice for this container.
func (container *Container) CreateDaemonEnvironment(linkedEnv []string) []string {
// On Windows, nothing to link. Just return the container environment.
return container.Config.Env
}
// UnmountIpcMounts unmount Ipc related mounts.
// This is a NOOP on windows.
func (container *Container) UnmountIpcMounts(unmount func(pth string) error) {
}
// IpcMounts returns the list of Ipc related mounts.
func (container *Container) IpcMounts() []Mount {
return nil
}
// UnmountVolumes explicitly unmounts volumes from the container.
func (container *Container) UnmountVolumes(forceSyscall bool, volumeEventLog func(name, action string, attributes map[string]string)) error {
return nil
}
// TmpfsMounts returns the list of tmpfs mounts
func (container *Container) TmpfsMounts() []Mount {
return nil
}
// UpdateContainer updates configuration of a container
func (container *Container) UpdateContainer(hostConfig *containertypes.HostConfig) error {
container.Lock()
defer container.Unlock()
resources := hostConfig.Resources
if resources.BlkioWeight != 0 || resources.CPUShares != 0 ||
resources.CPUPeriod != 0 || resources.CPUQuota != 0 ||
resources.CpusetCpus != "" || resources.CpusetMems != "" ||
resources.Memory != 0 || resources.MemorySwap != 0 ||
resources.MemoryReservation != 0 || resources.KernelMemory != 0 {
return fmt.Errorf("Resource updating isn't supported on Windows")
}
// update HostConfig of container
if hostConfig.RestartPolicy.Name != "" {
container.HostConfig.RestartPolicy = hostConfig.RestartPolicy
}
return nil
}
// appendNetworkMounts appends any network mounts to the array of mount points passed in.
// Windows does not support network mounts (not to be confused with SMB network mounts), so
// this is a no-op.
func appendNetworkMounts(container *Container, volumeMounts []volume.MountPoint) ([]volume.MountPoint, error) {
return volumeMounts, nil
}
// cleanResourcePath cleans a resource path by removing C:\ syntax, and prepares
// to combine with a volume path
func cleanResourcePath(path string) string {
if len(path) >= 2 {
c := path[0]
if path[1] == ':' && ('a' <= c && c <= 'z' || 'A' <= c && c <= 'Z') {
path = path[2:]
}
}
return filepath.Join(string(os.PathSeparator), path)
}
// BuildHostnameFile writes the container's hostname file.
func (container *Container) BuildHostnameFile() error {
return nil
}
// canMountFS determines if the file system for the container
// can be mounted locally. In the case of Windows, this is not possible
// for Hyper-V containers during WORKDIR execution for example.
func (container *Container) canMountFS() bool {
return !containertypes.Isolation.IsHyperV(container.HostConfig.Isolation)
}