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[zh-cn]sync kubeadm-certs.md
Signed-off-by: xin.li <[email protected]>
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content/zh-cn/docs/tasks/administer-cluster/kubeadm/kubeadm-certs.md

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@@ -36,13 +36,19 @@ Kubernetes 项目建议及时升级到最新的补丁版本,并确保你正在
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<!--
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You should be familiar with [PKI certificates and requirements in Kubernetes](/docs/setup/best-practices/certificates/).
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You should be familiar with how to pass a [configuration](/docs/reference/config-api/kubeadm-config.v1beta4/) file to the kubeadm commands.
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-->
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你应该熟悉 [Kubernetes 中的 PKI 证书和要求](/zh-cn/docs/setup/best-practices/certificates/)
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你应该熟悉如何将一个[配置](/zh-cn/docs/reference/config-api/kubeadm-config.v1beta4/)文件传递给
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kubeadm 命令。
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<!--
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This guide covers the usage of the `openssl` command (used for manual certificate signing,
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if you choose that approach), but you can use your preferred tools.
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Some of the steps here use `sudo` for administrator access. You can use any equivalent tool.
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-->
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你应该熟悉 [Kubernetes 中的 PKI 证书和要求](/zh-cn/docs/setup/best-practices/certificates/)
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本指南将介绍如何使用 `openssl` 命令(用于手动证书签名),但你可以使用你喜欢的工具。
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这里的一些步骤使用 `sudo` 来获取管理员访问权限。你可以使用任何等效的工具。
@@ -78,6 +84,66 @@ and kubeadm will use this CA for signing the rest of the certificates.
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例如,这意味着你可以将现有的 CA 复制到 `/etc/kubernetes/pki/ca.crt`
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`/etc/kubernetes/pki/ca.key` 中,而 kubeadm 将使用此 CA 对其余证书进行签名。
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<!--
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## Choosing an encryption algorithm {#choosing-encryption-algorithm}
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kubeadm allows you to choose an encryption algorithm that is used for creating
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public and private keys. That can be done by using the `encryptionAlgorithm` field of the
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kubeadm configuration:
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-->
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## 选择加密算法 {#choosing-encryption-algorithm}
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kubeadm 允许你选择用于创建公钥和私钥的加密算法。这可以通过使用
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kubeadm 配置中的 `encryptionAlgorithm` 字段来实现。
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```yaml
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apiVersion: kubeadm.k8s.io/v1beta4
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kind: ClusterConfiguration
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encryptionAlgorithm: <ALGORITHM>
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```
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<!--
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`<ALGORITHM>` can be one of `RSA-2048` (default), `RSA-3072`, `RSA-4096` or `ECDSA-P256`.
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-->
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`<ALGORITHM>` 可以是 `RSA-2048`(默认)、`RSA-3072`、`RSA-4096`
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或 `ECDSA-P256` 之一。
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<!--
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## Choosing certificate validity period {#choosing-cert-validity-period}
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kubeadm allows you to choose the validity period of CA and leaf certificates.
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That can be done by using the `certificateValidityPeriod` and `caCertificateValidityPeriod`
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fields of the kubeadm configuration:
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-->
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## 选择证书有效期 {#choosing-cert-validity-period}
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kubeadm 允许你选择 CA 和 leaf 证书的有效期。
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这可以通过使用 kubeadm 配置的 `certificateValidityPeriod` 和 `caCertificateValidityPeriod`
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字段来完成:
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<!--
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```yaml
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apiVersion: kubeadm.k8s.io/v1beta4
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kind: ClusterConfiguration
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certificateValidityPeriod: 8760h # Default: 365 days × 24 hours = 1 year
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caCertificateValidityPeriod: 87600h # Default: 365 days × 24 hours * 10 = 10 years
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```
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-->
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```yaml
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apiVersion: kubeadm.k8s.io/v1beta4
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kind: ClusterConfiguration
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certificateValidityPeriod: 8760h # 默认:365 天 × 24 小时 = 1 年
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caCertificateValidityPeriod: 87600h # 默认:365 天 × 24 小时 * 10 = 10 年
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```
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<!--
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The values of the fields follow the accepted format for
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[Go's `time.Duration` values](https://pkg.go.dev/time#ParseDuration), with the longest supported
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unit being `h` (hours).
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-->
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字段的值遵循 [Go 语言的 `time.Duration` 格式](https://pkg.go.dev/time#ParseDuration),
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支持的最长单位为 `h`(小时)。
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<!--
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## External CA mode {#external-ca-mode}
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仅在将执行 `kubeadm init` 的第一个节点上需要此文件。
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- 请注意,一些文件如 `pki/sa.*`、`pki/front-proxy-ca.*` 和 `pki/etc/ca.*`
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在控制平面各节点上是相同的,你可以一次性生成它们并[手动将其分发](/zh-cn/docs/setup/production-environment/tools/kubeadm/high-availability/#manual-certs)到将执行
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`kubeadm join` 的节点,或者你可以使用 `kubeadm init`[`--upload-certs`](/zh-cn/docs/setup/product-environment/tools/kubeadm/high-availability/#stacked-control-plane-and-etcd-nodes)
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`kubeadm join` 的节点,或者你可以使用 `kubeadm init` 的
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[`--upload-certs`](/zh-cn/docs/setup/product-environment/tools/kubeadm/high-availability/#stacked-control-plane-and-etcd-nodes)
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和 `kubeadm join` 的 `--certificate-key` 特性来执行自动分发。
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<!--
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[configuration file](/docs/reference/config-api/kubeadm-config.v1beta4/):
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-->
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如果你正在创建一个新的集群,你可以使用 kubeadm
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的[配置文件](/zh-cn/docs/reference/config-api/kubeadm-config.v1beta4/)
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的[配置文件](/zh-cn/docs/reference/config-api/kubeadm-config.v1beta4/)
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```yaml
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apiVersion: kubeadm.k8s.io/v1beta4
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<!--
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### Create certificate signing requests (CSR)
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-->
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### 创建证书签名请求 (CSR) {#create-certificate-signing-requests-csr}
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### 创建证书签名请求CSR {#create-certificate-signing-requests-csr}
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<!--
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See [Create CertificateSigningRequest](/docs/reference/access-authn-authz/certificate-signing-requests/#create-certificatessigningrequest)
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that you contact your cloud provider and ask if they have a CSR signer that verifies
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the node identity with an out of band mechanism.
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-->
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如果你在寻找一种能够自动批准这些 CSR 的解决方案,建议你与你的云提供商
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联系,询问他们是否有 CSR 签名组件,用来以带外(out-of-band)的方式检查
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节点的标识符。
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如果你在寻找一种能够自动批准这些 CSR 的解决方案,建议你与你的云提供商联系,
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询问他们是否有 CSR 签名组件,用来以带外(out-of-band)的方式检查节点的标识符。
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{{% thirdparty-content %}}
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That is because the active kube-controller-manager will be responsible
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for signing new kubelet client certificates.
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-->
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请注意,这也意味着自动 [kubelet 客户端证书轮换](/zh-cn/docs/tasks/tls/certificate-rotation/#enabling-client-certificate-rotation)将被禁用。
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请注意,这也意味着自动
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[kubelet 客户端证书轮换](/zh-cn/docs/tasks/tls/certificate-rotation/#enabling-client-certificate-rotation)将被禁用。
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如果是这样,在证书即将到期时,你必须生成新的 `kubelet.conf.csr`,签署证书,
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将其嵌入到 `kubelet.conf` 中并重新启动 kubelet。
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[Considerations for kubelet.conf](#considerations-kubelet-conf) keep or delete
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the `kubelet.conf` and `kubelet.conf.csr` files.
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-->
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如果要使用外部 etcd,请阅读 [kubeadm 使用外部 etcd](/zh-cn/docs/setup/production-environment/tools/kubeadm/high-availability/#external-etcd-nodes)指南了解
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kubeadm 和 etcd 节点上需要哪些 CSR 文件。
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如果要使用外部 etcd,请阅读 [kubeadm 使用外部 etcd](/zh-cn/docs/setup/production-environment/tools/kubeadm/high-availability/#external-etcd-nodes)
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指南了解 kubeadm 和 etcd 节点上需要哪些 CSR 文件。
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你可以删除 `/etc/kubernetes/pki/etcd` 下的其他 `.csr` 和 `.key` 文件。
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根据 [kubelet.conf 的注意事项](#considerations-kubelet-conf)中的说明,
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<!--
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```bash
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#!/bin/bash
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# Set certificate expiration time in days
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DAYS=365
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# Process all CSR files except those for front-proxy and etcd
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# Trim the extension
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find ./ -name "*.csr" | grep -v "pki/etcd" | grep -v "front-proxy" | while read -r FILE;
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do
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echo "* Processing ${FILE} ..."
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FILE=${FILE%.*} # Trim the extension
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if [ -f "./pki/ca.srl" ]; then
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SERIAL_FLAG="-CAserial ./pki/ca.srl"
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else
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SERIAL_FLAG="-CAcreateserial"
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fi
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openssl x509 -req -days "${DAYS}" -CA ./pki/ca.crt -CAkey ./pki/ca.key ${SERIAL_FLAG} \
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-in "${FILE}.csr" -out "${FILE}.crt"
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sleep 2
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done
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# Process all etcd CSRs
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# Trim the extension
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find ./pki/etcd -name "*.csr" | while read -r FILE;
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do
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echo "* Processing ${FILE} ..."
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FILE=${FILE%.*} # Trim the extension
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if [ -f "./pki/etcd/ca.srl" ]; then
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SERIAL_FLAG=-CAserial ./pki/etcd/ca.srl
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else
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SERIAL_FLAG=-CAcreateserial
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fi
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openssl x509 -req -days "${DAYS}" -CA ./pki/etcd/ca.crt -CAkey ./pki/etcd/ca.key ${SERIAL_FLAG} \
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-in "${FILE}.csr" -out "${FILE}.crt"
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done
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# Process front-proxy CSRs
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echo "* Processing ./pki/front-proxy-client.csr ..."
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openssl x509 -req -days "${DAYS}" -CA ./pki/front-proxy-ca.crt -CAkey ./pki/front-proxy-ca.key -CAcreateserial \
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-in ./pki/front-proxy-client.csr -out ./pki/front-proxy-client.crt
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```
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-->
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```bash
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#!/bin/bash

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