K8S-FAQ

删除namespace后一直处于Terminating

1. kubectl get ns bar -o json > tmp.json
2. 编辑tmp.json,删除finalizers 字段的值
3. kubectl proxy 启动proxy
4. curl -k -H “Content-Type: application/json” -X PUT —data-binary @tmp.json http://127.0.0.1:8001/api/v1/namespaces/foo/finalize
5. 完成Terminating ns删除

V1.20.0 版本出现selfLink was empty

• 详细日志：

E1210 14:42:01.500487 1 controller.go:1004] provision "default/pvc1" class "managed-nfs-storage": unexpected error getting claim reference: selfLink was empty, can't make reference
E1210 14:42:01.500502 1 controller.go:1004] provision "default/test-claim" class "managed-nfs-storage": unexpected error getting claim reference: selfLink was empty, can't make reference

• 解决：

在apiserver启动命令 增加 —feature-gates=RemoveSelfLink=false行

• 参考

https://stackoverflow.com/questions/65376314/kubernetes-nfs-provider-selflink-was-empty

https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/issues/25

ingress-nginx 泛域名匹配

nginx.ingress.kubernetes.io/server-alias

eg:

metadata:
  name: hicloud-frontend
  namespace: user-center
  annotations:
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/use-regex: "true"
    kubernetes.io/ingress.class: "nginx"
    nginx.ingress.kubernetes.io/rewrite-target: /$1
    nginx.ingress.kubernetes.io/server-alias: '~^(.+)\.hicloud\.hive-intel\.qa$'

ingress-nginx 多域名

eg:

- host: "api.hive-intel.qa"
    http:
      paths:
      - path: "/user-center(/|$)(.*)"
        pathType: Prefix
        backend:
          service:
            name: user-center
            port:
              number: 8080
  - host: "apiqa.hive-intel.com"
    http:
      paths:
      - path: "/user-center(/|$)(.*)"
        pathType: Prefix
        backend:
          service:
            name: user-center
            port:
              number: 8080