kubernetes/pkg/kubelet/cm/fake_pod_container_manager.go
Ryan Phillips f918e11e3a register all pending pod deletions and check for kill
do not delete the cgroup from a pod when it is being killed
2021-02-04 11:45:42 -06:00

107 lines
2.7 KiB
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("")
}