| // +build windows |
| |
| /* |
| Copyright 2018 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package apis |
| |
| import ( |
| utilfeature "k8s.io/apiserver/pkg/util/feature" |
| "k8s.io/kubernetes/pkg/features" |
| ) |
| |
| const ( |
| // HypervIsolationAnnotationKey is used to run windows containers with hyperv isolation. |
| // Refer https://aka.ms/hyperv-container. |
| HypervIsolationAnnotationKey = "experimental.windows.kubernetes.io/isolation-type" |
| // HypervIsolationValue is used to run windows containers with hyperv isolation. |
| // Refer https://aka.ms/hyperv-container. |
| HypervIsolationValue = "hyperv" |
| ) |
| |
| // ShouldIsolatedByHyperV returns true if a windows container should be run with hyperv isolation. |
| func ShouldIsolatedByHyperV(annotations map[string]string) bool { |
| if !utilfeature.DefaultFeatureGate.Enabled(features.HyperVContainer) { |
| return false |
| } |
| |
| v, ok := annotations[HypervIsolationAnnotationKey] |
| return ok && v == HypervIsolationValue |
| } |