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pkg/kubelet/userns: Provide stub implementation for windows
Signed-off-by: Rodrigo Campos <rodrigoca@microsoft.com>
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pkg/kubelet/userns/types.go
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29
pkg/kubelet/userns/types.go
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/*
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Copyright 2025 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package userns
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import "k8s.io/apimachinery/pkg/types"
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// Here go types that are common for all supported OS (windows, linux).
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type userNsPodsManager interface {
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HandlerSupportsUserNamespaces(runtimeHandler string) (bool, error)
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GetPodDir(podUID types.UID) string
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ListPodsFromDisk() ([]types.UID, error)
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GetKubeletMappings() (uint32, uint32, error)
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GetMaxPods() int
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}
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//go:build !windows
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// +build !windows
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/*
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/*
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Copyright 2022 The Kubernetes Authors.
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Copyright 2022 The Kubernetes Authors.
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@ -43,14 +46,6 @@ const userNsLength = (1 << 16)
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// since Go maps never free memory.
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// since Go maps never free memory.
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const mapReInitializeThreshold = 1000
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const mapReInitializeThreshold = 1000
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type userNsPodsManager interface {
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HandlerSupportsUserNamespaces(runtimeHandler string) (bool, error)
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GetPodDir(podUID types.UID) string
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ListPodsFromDisk() ([]types.UID, error)
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GetKubeletMappings() (uint32, uint32, error)
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GetMaxPods() int
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}
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type UsernsManager struct {
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type UsernsManager struct {
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used *allocator.AllocationBitmap
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used *allocator.AllocationBitmap
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usedBy map[types.UID]uint32 // Map pod.UID to range used
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usedBy map[types.UID]uint32 // Map pod.UID to range used
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@ -1,3 +1,6 @@
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//go:build !windows
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// +build !windows
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/*
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/*
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Copyright 2022 The Kubernetes Authors.
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Copyright 2022 The Kubernetes Authors.
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@ -1,3 +1,6 @@
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//go:build !windows
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// +build !windows
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/*
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/*
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Copyright 2024 The Kubernetes Authors.
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Copyright 2024 The Kubernetes Authors.
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@ -1,3 +1,6 @@
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//go:build !windows
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// +build !windows
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/*
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/*
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Copyright 2022 The Kubernetes Authors.
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Copyright 2022 The Kubernetes Authors.
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50
pkg/kubelet/userns/userns_manager_windows.go
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50
pkg/kubelet/userns/userns_manager_windows.go
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/*
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Copyright 2025 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package userns
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import (
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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)
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type UsernsManager struct{}
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func MakeUserNsManager(kl userNsPodsManager) (*UsernsManager, error) {
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return nil, nil
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}
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// Release releases the user namespace allocated to the specified pod.
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func (m *UsernsManager) Release(podUID types.UID) {
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return
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}
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func (m *UsernsManager) GetOrCreateUserNamespaceMappings(pod *v1.Pod, runtimeHandler string) (*runtimeapi.UserNamespace, error) {
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return nil, nil
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}
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// CleanupOrphanedPodUsernsAllocations reconciliates the state of user namespace
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// allocations with the pods actually running. It frees any user namespace
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// allocation for orphaned pods.
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func (m *UsernsManager) CleanupOrphanedPodUsernsAllocations(pods []*v1.Pod, runningPods []*kubecontainer.Pod) error {
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return nil
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}
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func EnabledUserNamespacesSupport() bool {
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return false
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}
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