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kubectl get pod时 报错couldn't get resource list for cert-manager.io/v1alpha1

分类： 虚拟化

2024-05-28 12:54:03

kubectl get pod时 报错couldn\'t get resource list for cert-凯发app官方网站

在k8s下执行"kubectl get pod "时，报一下错误：



点击(此处)折叠或打开

  1. [root@app1 ~]# kubectl get pod
  2. e0528 12:27:42.105135 187150 memcache.go:255] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  3. e0528 12:27:42.106730 187150 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  4. e0528 12:27:42.108499 187150 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  5. e0528 12:27:42.111427 187150 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request

问题定位：
该问题由于kubectl 在访问apiservice过程导致，通过以下命令查看问题原因： 


点击(此处)折叠或打开

  1. [root@app1 ~]# kubectl describe apiservice v1alpha1.cert-manager.io
  2. e0528 12:25:53.708862 185582 memcache.go:255] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  3. e0528 12:25:53.713279 185582 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  4. e0528 12:25:53.715726 185582 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  5. e0528 12:25:53.718525 185582 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  6. name: v1alpha1.cert-manager.io
  7. namespace:
  8. labels: app=cert-manager-webhook-dnspod
  9.               app.kubernetes.io/managed-by=helm
  10.               chart=cert-manager-webhook-dnspod-0.3.3
  11.               heritage=helm
  12.               release=cert-manager-webhook-dnspod
  13. annotations: cert-manager.io/inject-ca-from: cert-manager/cert-manager-webhook-dnspod-webhook-tls
  14.               meta.helm.sh/release-name: cert-manager-webhook-dnspod
  15.               meta.helm.sh/release-namespace: cert-manager
  16. api version: apiregistration.k8s.io/v1
  17. kind: apiservice
  18. metadata:
  19.   creation timestamp: 2023-07-14t02:18:21z
  20.   managed fields:
  21.     api version: apiregistration.k8s.io/v1
  22.     fields type: fieldsv1
  23.     fieldsv1:
  24. …………

  26.   service:
  27.     name: cert-manager-webhook-dnspod
  28.     namespace: cert-manager
  29.     port: 443
  30.   version: v1alpha1
  31.   version priority: 15
  32. status:
  33.   conditions:
  34.     last transition time: 2024-01-24t02:00:32z
  35.     message: endpoints for service/cert-manager-webhook-dnspod in "cert-manager" have no addresses with port name "https"
  36.     reason: missingendpoints
  37.     status: false
  38.     type: available
  39. events: <none>
cert-manager没有地址，导致此问题报错

查看endpint相关信息，缺少ip地址：

点击(此处)折叠或打开

  1. [root@app1 ~]# kubectl get endpoints -a|grep dns
  2. e0528 12:28:13.420696 187613 memcache.go:255] couldn't get resource list for cert-man
  3. cert-manager cert-manager-webhook-dnspod <none> 39m
  4. kube-system kube-dns 172.16.245.122:53,172.16.245.123:53,172.16.245.122:53 3 more... 452d

cert-manager在该平台中未使用，使用以下命令进行清查操作：

点击(此处)折叠或打开

  1. [root@app1 ~]# kubectl delete endpoints -n cert-manager cert-manager-webhook-dnspod
  2. e0528 12:28:58.992511 188344 memcache.go:255] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  3. e0528 12:28:58.994115 188344 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  4. e0528 12:28:58.996940 188344 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  5. e0528 12:28:58.998950 188344 memcache.go:106] couldn't get resource list for cert-manager.io/v1alpha1: the server is currently unable to handle the request
  6. endpoints "cert-manager-webhook-dnspod" deleted

再次查看，未发现系统报错，问题解决。

点击(此处)折叠或打开

  1. [root@app1 ~]# kubectl get pod
  2. name ready status restarts age
  3. sleep-577dfc8474-5rq54 1/1 running 1 (3h58m ago) 125d
  4. spring-boot-helloworld-6985c7f8bb-rmd4h 1/1 running 1 (3h58m ago) 125d



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