cert-manager报错too many certificates (5) already issued

使用cert-manager申请免费证书报错：

kubectl get certificaterequests.cert-manager.io -o wide
NAME                 APPROVED   DENIED   READY   ISSUER                                       REQUESTOR                                         STATUS                                                                                                                                                                                                                                                                                                                                                                                                                                      AGE
five-time-cn-sbxft   True                False   cert-manager-webhook-dnspod-clusterissuers   system:serviceaccount:cert-manager:cert-manager   Failed to wait for order resource "five-time-cn-sbxft-845965338" to become ready: order is in "errored" state: Failed to create Order: 429 urn:ietf:params:acme:error:rateLimited: Error creating new order :: too many certificates (5) already issued for this exact set of domains in the last 168 hours: *.xxx.cn,xxx.cn, retry after 2022-08-30T22:25:13Z: see https://letsencrypt.org/docs/duplicate-certificate-limit/   35s

cert-manager会去Let's encrypt申请免费证书，但是Let's encrypt对相同重复证书的申请有次数限制。

1.修改Certificate资源对象

$ vim cert-manager-webhook-dnspod-certificate.yaml
...
  dnsNames:
    - "xxx1.cn"
    - "test.xxx1.cn"
...

[1] https://letsencrypt.org/docs/duplicate-certificate-limit/ 如果您有其他问题，欢迎您联系火山引擎技术支持服务