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Merge pull request #33414 from darrenstahlmsft/IoTServerContainers

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Check for Windows 10 IoT Core to use process isolation on IoT
This commit is contained in:
Brian Goff 2017-06-12 18:02:15 -05:00 • committed by GitHub
commit 2ae085f309
2 changed files with 24 additions and 6 deletions
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9
daemon/daemon_windows.go
View file

@ -217,7 +217,7 @@ func verifyPlatformContainerSettings(daemon *Daemon, hostConfig *containertypes.
warnings := []string{}
hyperv := daemon.runAsHyperVContainer(hostConfig)
if !hyperv && system.IsWindowsClient() {
if !hyperv && system.IsWindowsClient() && !system.IsIoTCore() {
// @engine maintainers. This block should not be removed. It partially enforces licensing
// restrictions on Windows. Ping @jhowardmsft if there are concerns or PRs to change this.
return warnings, fmt.Errorf("Windows client operating systems only support Hyper-V containers")
@ -566,8 +566,9 @@ func (daemon *Daemon) stats(c *container.Container) (*types.StatsJSON, error) {
// daemon to run in. This is only applicable on Windows
func (daemon *Daemon) setDefaultIsolation() error {
daemon.defaultIsolation = containertypes.Isolation("process")
// On client SKUs, default to Hyper-V
if system.IsWindowsClient() {
// On client SKUs, default to Hyper-V. Note that IoT reports as a client SKU
// but it should not be treated as such.
if system.IsWindowsClient() && !system.IsIoTCore() {
daemon.defaultIsolation = containertypes.Isolation("hyperv")
}
for _, option := range daemon.configStore.ExecOptions {
@ -586,7 +587,7 @@ func (daemon *Daemon) setDefaultIsolation() error {
daemon.defaultIsolation = containertypes.Isolation("hyperv")
}
if containertypes.Isolation(val).IsProcess() {
if system.IsWindowsClient() {
if system.IsWindowsClient() && !system.IsIoTCore() {
// @engine maintainers. This block should not be removed. It partially enforces licensing
// restrictions on Windows. Ping @jhowardmsft if there are concerns or PRs to change this.
return fmt.Errorf("Windows client operating systems only support Hyper-V containers")

21
pkg/system/syscall_windows.go
View file

@ -8,8 +8,9 @@ import (
)
var (
ntuserApiset = syscall.NewLazyDLL("ext-ms-win-ntuser-window-l1-1-0")
procGetVersionExW = modkernel32.NewProc("GetVersionExW")
ntuserApiset = syscall.NewLazyDLL("ext-ms-win-ntuser-window-l1-1-0")
procGetVersionExW = modkernel32.NewProc("GetVersionExW")
procGetProductInfo = modkernel32.NewProc("GetProductInfo")
)
// OSVersion is a wrapper for Windows version information
@ -66,6 +67,22 @@ func IsWindowsClient() bool {
return osviex.ProductType == verNTWorkstation
}
// IsIoTCore returns true if the currently running image is based off of
// Windows 10 IoT Core.
// @engine maintainers - this function should not be removed or modified as it
// is used to enforce licensing restrictions on Windows.
func IsIoTCore() bool {
var returnedProductType uint32
r1, _, err := procGetProductInfo.Call(6, 1, 0, 0, uintptr(unsafe.Pointer(&returnedProductType)))
if r1 == 0 {
logrus.Warnf("GetProductInfo failed - assuming this is not IoT: %v", err)
return false
}
const productIoTUAP = 0x0000007B
const productIoTUAPCommercial = 0x00000083
return returnedProductType == productIoTUAP || returnedProductType == productIoTUAPCommercial
}
// Unmount is a platform-specific helper function to call
// the unmount syscall. Not supported on Windows
func Unmount(dest string) error {