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