mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
de37b9d293
This patch makes the CRI `v1` API the new project-wide default version. To allow backwards compatibility, a fallback to `v1alpha2` has been added as well. This fallback can either used by automatically determined by the kubelet. Signed-off-by: Sascha Grunert <sgrunert@redhat.com>
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
//go:build linux
|
|
// +build linux
|
|
|
|
/*
|
|
Copyright 2021 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 kuberuntime
|
|
|
|
import (
|
|
v1 "k8s.io/api/core/v1"
|
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
|
|
resourcehelper "k8s.io/kubernetes/pkg/api/v1/resource"
|
|
"k8s.io/kubernetes/pkg/features"
|
|
)
|
|
|
|
func (m *kubeGenericRuntimeManager) convertOverheadToLinuxResources(pod *v1.Pod) *runtimeapi.LinuxContainerResources {
|
|
resources := &runtimeapi.LinuxContainerResources{}
|
|
if pod.Spec.Overhead != nil && utilfeature.DefaultFeatureGate.Enabled(features.PodOverhead) {
|
|
cpu := pod.Spec.Overhead.Cpu()
|
|
memory := pod.Spec.Overhead.Memory()
|
|
|
|
// For overhead, we do not differentiate between requests and limits. Treat this overhead
|
|
// as "guaranteed", with requests == limits
|
|
resources = m.calculateLinuxResources(cpu, cpu, memory)
|
|
}
|
|
|
|
return resources
|
|
}
|
|
|
|
func (m *kubeGenericRuntimeManager) calculateSandboxResources(pod *v1.Pod) *runtimeapi.LinuxContainerResources {
|
|
req, lim := resourcehelper.PodRequestsAndLimitsWithoutOverhead(pod)
|
|
return m.calculateLinuxResources(req.Cpu(), lim.Cpu(), lim.Memory())
|
|
}
|
|
|
|
func (m *kubeGenericRuntimeManager) applySandboxResources(pod *v1.Pod, config *runtimeapi.PodSandboxConfig) error {
|
|
|
|
if config.Linux == nil {
|
|
return nil
|
|
}
|
|
config.Linux.Resources = m.calculateSandboxResources(pod)
|
|
config.Linux.Overhead = m.convertOverheadToLinuxResources(pod)
|
|
|
|
return nil
|
|
}
|