kubernetes 載入pod出現ErrImageNeverPull錯誤

冰雪封存的記憶發表於2022-11-01

1.使用kubectl get pod檢視pod狀態出現status為ErrImageNeverPull

NAME                                   READY   STATUS              RESTARTS   AGE
flaskapi-deployment-59bcb745ff-4x2d2   0/1     ErrImageNeverPull   0          3m58s
flaskapi-deployment-59bcb745ff-6mgqx   0/1     ErrImageNeverPull   0          3m58s
flaskapi-deployment-59bcb745ff-7xtgf   0/1     ErrImageNeverPull   0          3m58s
  1. 使用kubectl describe pod <pod_name>檢視相應pod的狀態情況
    Name:         flaskapi-deployment-59bcb745ff-4x2d2
Namespace:    default
Priority:     0
Node:         kmaster1/192.168.0.165
Start Time:   Mon, 31 Oct 2022 11:23:41 -0400
Labels:       app=flaskapi
           pod-template-hash=59bcb745ff
Annotations:  <none>
Status:       Pending
IP:           10.244.1.24
IPs:
IP:           10.244.1.24
Controlled By:  ReplicaSet/flaskapi-deployment-59bcb745ff
Containers:
flaskapi:
 Container ID:   
 Image:          flask-api
 Image ID:       
 Port:           5000/TCP
 Host Port:      0/TCP
 State:          Waiting
   Reason:       ErrImageNeverPull
 Ready:          False
 Restart Count:  0
 Environment:
   db_root_password:  <set to the key 'db_root_password' in secret 'flaskapi-secrets'>  Optional: false
   db_name:           flaskapi
 Mounts:
   /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-nm6gp (ro)
Conditions:
Type              Status
Initialized       True 
Ready             False 
ContainersReady   False 
PodScheduled      True 
Volumes:
kube-api-access-nm6gp:
 Type:                    Projected (a volume that contains injected data from multiple sources)
 TokenExpirationSeconds:  3607
 ConfigMapName:           kube-root-ca.crt
 ConfigMapOptional:       <nil>
 DownwardAPI:             true
QoS Class:                   BestEffort
Node-Selectors:              <none>
Tolerations:                 node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                          node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
Type     Reason             Age                     From               Message
----     ------             ----                    ----               -------
Normal   Scheduled          5m                      default-scheduler  Successfully assigned default/flaskapi-deployment-59bcb745ff-4x2d2 to kmaster1
Warning  Failed             2m57s (x12 over 4m53s)  kubelet            Error: ErrImageNeverPull
Warning  ErrImageNeverPull  2m44s (x13 over 4m53s)  kubelet            Container image "flask-api" is not present with pull policy of Never
    由此可以看出原因是pull本地的image出現了問題
  2. 解決方案
    把deployment.yaml檔案中的imagePullPolicy: Never刪除掉就好了
    [References]: Error: ErrImageNeverPull
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