kubernetes fake_pod_container_manager 源码
kubernetes fake_pod_container_manager 代码
文件路径：/pkg/kubelet/cm/fake_pod_container_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 cm
import (
"reflect"
"sync"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
)
type FakePodContainerManager struct {
sync.Mutex
CalledFunctions []string
Cgroups map[types.UID]CgroupName
}
var _ PodContainerManager = &FakePodContainerManager{}
func NewFakePodContainerManager() *FakePodContainerManager {
return &FakePodContainerManager{
Cgroups: make(map[types.UID]CgroupName),
}
}
func (m *FakePodContainerManager) AddPodFromCgroups(pod *kubecontainer.Pod) {
m.Lock()
defer m.Unlock()
m.Cgroups[pod.ID] = []string{pod.Name}
}
func (m *FakePodContainerManager) Exists(_ *v1.Pod) bool {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "Exists")
return true
}
func (m *FakePodContainerManager) EnsureExists(_ *v1.Pod) error {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "EnsureExists")
return nil
}
func (m *FakePodContainerManager) GetPodContainerName(_ *v1.Pod) (CgroupName, string) {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "GetPodContainerName")
return nil, ""
}
func (m *FakePodContainerManager) Destroy(name CgroupName) error {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "Destroy")
for key, cgname := range m.Cgroups {
if reflect.DeepEqual(cgname, name) {
delete(m.Cgroups, key)
return nil
}
}
return nil
}
func (m *FakePodContainerManager) ReduceCPULimits(_ CgroupName) error {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "ReduceCPULimits")
return nil
}
func (m *FakePodContainerManager) GetAllPodsFromCgroups() (map[types.UID]CgroupName, error) {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "GetAllPodsFromCgroups")
// return a copy for the race detector
grp := make(map[types.UID]CgroupName)
for key, value := range m.Cgroups {
grp[key] = value
}
return grp, nil
}
func (m *FakePodContainerManager) IsPodCgroup(cgroupfs string) (bool, types.UID) {
m.Lock()
defer m.Unlock()
m.CalledFunctions = append(m.CalledFunctions, "IsPodCgroup")
return false, types.UID("")
}
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