rancher 2.6.3 webhook

Rancher 2.6.3中的webhook功能是指rancher-webhook deployments在到期前30天或更短的时间内会自动更新其TLS证书。这意味着在2.6.3版本及更高版本中，你不需要手动更新webhook证书，系统会自动处理证书的续签。在旧版本的Rancher中，比如2.6.2及以下版本，你需要手动更新webhook证书，并按照以下步骤进行操作：

1. 删除旧的证书和mutatingwebhookconfigurations:
- 运行命令: `kubectl delete secret -n cattle-system cattle-webhook-tls`
- 运行命令: `kubectl delete mutatingwebhookconfigurations.admissionregistration.k8s.io --ignore-not-found=true rancher.cattle.io`

2. 删除rancher-webhook的Pod:
- 运行命令: `kubectl delete pod -n cattle-system -l app=rancher-webhook`

这样，你就完成了更新rancher-webhook证书的步骤。请注意，在Rancher 2.6.3及更高版本中，这些步骤是不需要的，因为TLS证书会自动更新。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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