Windows: Default to Hyper-V Containers on client
Signed-off-by: John Howard <jhoward@microsoft.com>
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1 changed files with 31 additions and 1 deletions
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@ -3,10 +3,13 @@ package system
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import (
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"syscall"
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"unsafe"
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"github.com/Sirupsen/logrus"
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)
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var (
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ntuserApiset = syscall.NewLazyDLL("ext-ms-win-ntuser-window-l1-1-0")
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ntuserApiset = syscall.NewLazyDLL("ext-ms-win-ntuser-window-l1-1-0")
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procGetVersionExW = modkernel32.NewProc("GetVersionExW")
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)
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// OSVersion is a wrapper for Windows version information
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@ -18,6 +21,21 @@ type OSVersion struct {
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Build uint16
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}
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724833(v=vs.85).aspx
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type osVersionInfoEx struct {
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OSVersionInfoSize uint32
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MajorVersion uint32
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MinorVersion uint32
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BuildNumber uint32
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PlatformID uint32
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CSDVersion [128]uint16
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ServicePackMajor uint16
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ServicePackMinor uint16
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SuiteMask uint16
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ProductType byte
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Reserve byte
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}
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// GetOSVersion gets the operating system version on Windows. Note that
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// docker.exe must be manifested to get the correct version information.
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func GetOSVersion() OSVersion {
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@ -34,6 +52,18 @@ func GetOSVersion() OSVersion {
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return osv
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}
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// IsWindowsClient returns true if the SKU is client
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func IsWindowsClient() bool {
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osviex := &osVersionInfoEx{OSVersionInfoSize: 284}
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r1, _, err := procGetVersionExW.Call(uintptr(unsafe.Pointer(osviex)))
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if r1 == 0 {
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logrus.Warnf("GetVersionExW failed - assuming server SKU: %v", err)
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return false
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}
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const verNTWorkstation = 0x00000001
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return osviex.ProductType == verNTWorkstation
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}
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// Unmount is a platform-specific helper function to call
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// the unmount syscall. Not supported on Windows
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func Unmount(dest string) error {
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