github.com/kubewharf/katalyst-core@v0.5.3/pkg/metaserver/agent/pod/pod_stub.go (about) 1 /* 2 Copyright 2022 The Katalyst 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 pod 18 19 import ( 20 "context" 21 "fmt" 22 "sync" 23 24 v1 "k8s.io/api/core/v1" 25 26 "github.com/kubewharf/katalyst-core/pkg/util/native" 27 ) 28 29 type PodFetcherStub struct { 30 mutex sync.Mutex 31 PodList []*v1.Pod 32 } 33 34 var _ PodFetcher = &PodFetcherStub{} 35 36 func (p *PodFetcherStub) GetPodList(_ context.Context, podFilter func(*v1.Pod) bool) ([]*v1.Pod, error) { 37 p.mutex.Lock() 38 defer p.mutex.Unlock() 39 pods := make([]*v1.Pod, 0, len(p.PodList)) 40 for _, pod := range p.PodList { 41 if podFilter != nil && !podFilter(pod) { 42 continue 43 } 44 pods = append(pods, pod) 45 } 46 return pods, nil 47 } 48 49 func (p *PodFetcherStub) GetPod(_ context.Context, podUID string) (*v1.Pod, error) { 50 p.mutex.Lock() 51 defer p.mutex.Unlock() 52 for _, pod := range p.PodList { 53 if string(pod.UID) == podUID { 54 return pod, nil 55 } 56 } 57 return nil, fmt.Errorf("failed to find pod by uid %v", podUID) 58 } 59 60 func (p *PodFetcherStub) Run(_ context.Context) {} 61 62 func (p *PodFetcherStub) GetContainerID(podUID, containerName string) (string, error) { 63 p.mutex.Lock() 64 defer p.mutex.Unlock() 65 66 for _, pod := range p.PodList { 67 if string(pod.UID) == podUID { 68 return native.GetContainerID(pod, containerName) 69 } 70 } 71 72 return "", fmt.Errorf("container: %s isn't found in pod: %s statues", containerName, podUID) 73 } 74 75 func (p *PodFetcherStub) GetContainerSpec(podUID, containerName string) (*v1.Container, error) { 76 p.mutex.Lock() 77 defer p.mutex.Unlock() 78 79 for _, pod := range p.PodList { 80 if string(pod.UID) == podUID { 81 for _, c := range pod.Spec.Containers { 82 if c.Name == containerName { 83 return c.DeepCopy(), nil 84 } 85 } 86 } 87 } 88 89 return nil, fmt.Errorf("container: %s isn't found in pod: %s spec", containerName, podUID) 90 }