Adds LinuxMetadata support by default on Windows

1. Sets the LinuxMetadata flag by default on Windows LCOW v1
MappedDirectories.

Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>

libcontainerd/client_local_windows.go

@@ -494,6 +494,10 @@ func (c *client) createLinux(id string, spec *specs.Spec, runtimeOptions interfa
 				CreateInUtilityVM: true,
 				ReadOnly:          readonly,
 			}
+			// If we are 1803/RS4+ enable LinuxMetadata support by default
+			if system.GetOSVersion().Build >= 17134 {
+				md.LinuxMetadata = true
+			}
 			mds = append(mds, md)
 			specMount.Source = path.Join(uvmPath, mount.Destination)
 		}

vendor.conf

@@ -1,6 +1,6 @@
 # the following lines are in sorted order, FYI
 github.com/Azure/go-ansiterm d6e3b3328b783f23731bc4d058875b0371ff8109
-github.com/Microsoft/hcsshim v0.6.11
+github.com/Microsoft/hcsshim v0.6.12
 github.com/Microsoft/go-winio v0.4.8
 github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a
 github.com/go-check/check 4ed411733c5785b40214c70bce814c3a3a689609 https://github.com/cpuguy83/check.git

vendor/github.com/Microsoft/hcsshim/interface.go

@@ -36,6 +36,8 @@ type MappedDir struct {
 	BandwidthMaximum  uint64
 	IOPSMaximum       uint64
 	CreateInUtilityVM bool
+	// LinuxMetadata - Support added in 1803/RS4+.
+	LinuxMetadata bool `json:",omitempty"`
 }
 
 type MappedPipe struct {
@@ -62,6 +64,14 @@ type MappedVirtualDisk struct {
 	AttachOnly        bool   `json:",omitempty:`
 }
 
+// AssignedDevice represents a device that has been directly assigned to a container
+//
+// NOTE: Support added in RS5
+type AssignedDevice struct {
+	//  InterfaceClassGUID of the device to assign to container.
+	InterfaceClassGUID string `json:"InterfaceClassGuid,omitempty"`
+}
+
 // ContainerConfig is used as both the input of CreateContainer
 // and to convert the parameters to JSON for passing onto the HCS
 type ContainerConfig struct {
@@ -93,6 +103,7 @@ type ContainerConfig struct {
 	ContainerType               string              `json:",omitempty"` // "Linux" for Linux containers on Windows. Omitted otherwise.
 	TerminateOnLastHandleClosed bool                `json:",omitempty"` // Should HCS terminate the container once all handles have been closed
 	MappedVirtualDisks          []MappedVirtualDisk `json:",omitempty"` // Array of virtual disks to mount at start
+	AssignedDevices             []AssignedDevice    `json:",omitempty"` // Array of devices to assign. NOTE: Support added in RS5
 }
 
 type ComputeSystemQuery struct {