moby/pkg/system/init_windows.go
Sebastiaan van Stijn 6b91ceff74
Use hcsshim osversion package for Windows versions
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-10-22 02:53:00 +02:00

40 lines
1.3 KiB
Go

package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"github.com/Microsoft/hcsshim/osversion"
"github.com/sirupsen/logrus"
)
var (
// lcowSupported determines if Linux Containers on Windows are supported.
lcowSupported = false
// containerdRuntimeSupported determines if ContainerD should be the runtime.
// As of March 2019, this is an experimental feature.
containerdRuntimeSupported = false
)
// InitLCOW sets whether LCOW is supported or not. Requires RS5+
func InitLCOW(experimental bool) {
if experimental && osversion.Build() >= osversion.RS5 {
lcowSupported = true
}
}
// InitContainerdRuntime sets whether to use ContainerD for runtime
// on Windows. This is an experimental feature still in development, and
// also requires an environment variable to be set (so as not to turn the
// feature on from simply experimental which would also mean LCOW.
func InitContainerdRuntime(experimental bool, cdPath string) {
if experimental && len(cdPath) > 0 && len(os.Getenv("DOCKER_WINDOWS_CONTAINERD_RUNTIME")) > 0 {
logrus.Warnf("Using ContainerD runtime. This feature is experimental")
containerdRuntimeSupported = true
}
}
// ContainerdRuntimeSupported returns true if the use of ContainerD runtime is supported.
func ContainerdRuntimeSupported() bool {
return containerdRuntimeSupported
}