mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-10-30 17:58:14 +00:00
43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
//go:build linux
|
|
// +build linux
|
|
|
|
/*
|
|
Copyright 2024 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 validation
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
libcontainercgroups "github.com/opencontainers/cgroups"
|
|
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
|
|
"k8s.io/utils/ptr"
|
|
)
|
|
|
|
// validateKubeletOSConfiguration validates os specific kubelet configuration and returns an error if it is invalid.
|
|
func validateKubeletOSConfiguration(kc *kubeletconfig.KubeletConfiguration) error {
|
|
isCgroup1 := !libcontainercgroups.IsCgroup2UnifiedMode()
|
|
if kc.FailCgroupV1 && isCgroup1 {
|
|
return fmt.Errorf("kubelet is configured to not run on a host using cgroup v1. cgroup v1 support is in maintenance mode")
|
|
}
|
|
|
|
if isCgroup1 && kc.SingleProcessOOMKill != nil && !ptr.Deref(kc.SingleProcessOOMKill, true) {
|
|
return fmt.Errorf("invalid configuration: singleProcessOOMKill must not be explicitly set to false when using cgroup v1")
|
|
}
|
|
|
|
return nil
|
|
}
|