kubernetes nodeshutdown_manager 源码
kubernetes nodeshutdown_manager 代码
文件路径：/pkg/kubelet/nodeshutdown/nodeshutdown_manager.go
/*
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 nodeshutdown
import (
"time"
v1 "k8s.io/api/core/v1"
"k8s.io/client-go/tools/record"
"k8s.io/klog/v2"
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
"k8s.io/kubernetes/pkg/kubelet/eviction"
"k8s.io/kubernetes/pkg/kubelet/lifecycle"
"k8s.io/kubernetes/pkg/kubelet/prober"
"k8s.io/utils/clock"
)
// Manager interface provides methods for Kubelet to manage node shutdown.
type Manager interface {
Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAdmitResult
Start() error
ShutdownStatus() error
}
// Config represents Manager configuration
type Config struct {
Logger klog.Logger
ProbeManager prober.Manager
Recorder record.EventRecorder
NodeRef *v1.ObjectReference
GetPodsFunc eviction.ActivePodsFunc
KillPodFunc eviction.KillPodFunc
SyncNodeStatusFunc func()
ShutdownGracePeriodRequested time.Duration
ShutdownGracePeriodCriticalPods time.Duration
ShutdownGracePeriodByPodPriority []kubeletconfig.ShutdownGracePeriodByPodPriority
StateDirectory string
Clock clock.Clock
}
// managerStub is a fake node shutdown managerImpl .
type managerStub struct{}
// Admit returns a fake Pod admission which always returns true
func (managerStub) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAdmitResult {
return lifecycle.PodAdmitResult{Admit: true}
}
// Start is a no-op always returning nil for non linux platforms.
func (managerStub) Start() error {
return nil
}
// ShutdownStatus is a no-op always returning nil for non linux platforms.
func (managerStub) ShutdownStatus() error {
return nil
}
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kubernetes nodeshutdown_manager_linux 源码
kubernetes nodeshutdown_manager_linux_test 源码
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