k8s.io/kubernetes@v1.29.3/pkg/kubelet/pod/testing/fake_mirror_client.go (about)

     1  /*
     2  Copyright 2015 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package testing
    18  
    19  import (
    20  	"sync"
    21  
    22  	"k8s.io/api/core/v1"
    23  	"k8s.io/apimachinery/pkg/types"
    24  	"k8s.io/apimachinery/pkg/util/sets"
    25  	kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
    26  )
    27  
    28  type FakeMirrorClient struct {
    29  	mirrorPodLock sync.RWMutex
    30  	// Note that a real mirror manager does not store the mirror pods in
    31  	// itself. This fake manager does this to track calls.
    32  	mirrorPods   sets.String
    33  	createCounts map[string]int
    34  	deleteCounts map[string]int
    35  }
    36  
    37  func NewFakeMirrorClient() *FakeMirrorClient {
    38  	m := FakeMirrorClient{}
    39  	m.mirrorPods = sets.NewString()
    40  	m.createCounts = make(map[string]int)
    41  	m.deleteCounts = make(map[string]int)
    42  	return &m
    43  }
    44  
    45  func (fmc *FakeMirrorClient) CreateMirrorPod(pod *v1.Pod) error {
    46  	fmc.mirrorPodLock.Lock()
    47  	defer fmc.mirrorPodLock.Unlock()
    48  	podFullName := kubecontainer.GetPodFullName(pod)
    49  	fmc.mirrorPods.Insert(podFullName)
    50  	fmc.createCounts[podFullName]++
    51  	return nil
    52  }
    53  
    54  // TODO (Robert Krawitz): Implement UID checking
    55  func (fmc *FakeMirrorClient) DeleteMirrorPod(podFullName string, _ *types.UID) (bool, error) {
    56  	fmc.mirrorPodLock.Lock()
    57  	defer fmc.mirrorPodLock.Unlock()
    58  	fmc.mirrorPods.Delete(podFullName)
    59  	fmc.deleteCounts[podFullName]++
    60  	return true, nil
    61  }
    62  
    63  func (fmc *FakeMirrorClient) HasPod(podFullName string) bool {
    64  	fmc.mirrorPodLock.RLock()
    65  	defer fmc.mirrorPodLock.RUnlock()
    66  	return fmc.mirrorPods.Has(podFullName)
    67  }
    68  
    69  func (fmc *FakeMirrorClient) NumOfPods() int {
    70  	fmc.mirrorPodLock.RLock()
    71  	defer fmc.mirrorPodLock.RUnlock()
    72  	return fmc.mirrorPods.Len()
    73  }
    74  
    75  func (fmc *FakeMirrorClient) GetPods() []string {
    76  	fmc.mirrorPodLock.RLock()
    77  	defer fmc.mirrorPodLock.RUnlock()
    78  	return fmc.mirrorPods.List()
    79  }
    80  
    81  func (fmc *FakeMirrorClient) GetCounts(podFullName string) (int, int) {
    82  	fmc.mirrorPodLock.RLock()
    83  	defer fmc.mirrorPodLock.RUnlock()
    84  	return fmc.createCounts[podFullName], fmc.deleteCounts[podFullName]
    85  }