Merge pull request #5131 from perithompson/windows-hostnetwork

Add Windows HostProcess Support

pkg/cri/server/sandbox_run.go

@@ -110,12 +110,18 @@ func (c *criService) RunPodSandbox(ctx context.Context, r *runtime.RunPodSandbox
 	log.G(ctx).Debugf("Use OCI %+v for sandbox %q", ociRuntime, id)
 
 	podNetwork := true
-	// Pod network is always needed on windows.
+
 	if goruntime.GOOS != "windows" &&
 		config.GetLinux().GetSecurityContext().GetNamespaceOptions().GetNetwork() == runtime.NamespaceMode_NODE {
 		// Pod network is not needed on linux with host network.
 		podNetwork = false
 	}
+	if goruntime.GOOS == "windows" &&
+		config.GetWindows().GetSecurityContext().GetHostProcess() {
+		//Windows HostProcess pods can only run on the host network
+		podNetwork = false
+	}
+
 	if podNetwork {
 		// If it is not in host network namespace then create a namespace and set the sandbox
 		// handle. NetNSPath in sandbox metadata and NetNS is non empty only for non host network