Docker 17 中文开发手册
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personnages

描述

管理根CA

使用

docker swarm ca [OPTIONS]

备选方案

名字，简写

默认

描述

--ca-cert


用于新集群的PEM格式的根CA证书的路径

--ca-key


用于新集群的PEM格式化根CA密钥的路径

--cert-expiry

2160h0m0s

节点证书的有效期（ns | us | ms | s | m | h）

--detach, -d

假

立即退出，而不是等待根旋转收敛

--external-ca


一个或多个证书签名端点的规格

--quiet, -q

假

抑制进度输出

--rotate

假

旋转丛集CA  - 如果未提供证书或密钥，则会生成新的证书或密钥

父命令

命令

描述

docker swarm

管理群

相关命令

命令

描述

docker 群

管理根CA

docker 群初始化

初始化一个群

docker 群加入

加入群体作为节点和/或经理

docker 群联合令牌

管理联合令牌

docker 群离开

离开群

docker 群解锁

解锁群

docker 群解锁键

管理解锁密钥

docker 群更新

更新群体

扩展描述

查看或旋转当前群集CA证书。此命令必须针对管理器节点。

实例

运行docker swarm ca命令，没有任何选项可以查看PEM格式的当前根CA证书。

$ docker swarm ca-----BEGIN CERTIFICATE-----MIIBazCCARCgAwIBAgIUJPzo67QC7g8Ebg2ansjkZ8CbmaswCgYIKoZIzj0EAwIw
EzERMA8GA1UEAxMIc3dhcm0tY2EwHhcNMTcwNTAzMTcxMDAwWhcNMzcwNDI4MTcx
MDAwWjATMREwDwYDVQQDEwhzd2FybS1jYTBZMBMGByqGSM49AgEGCCqGSM49AwEH
A0IABKL6/C0sihYEb935wVPRA8MqzPLn3jzou0OJRXHsCLcVExigrMdgmLCC+Va4+sJ+SLVO1eQbvLHH8uuDdF/QOU6jQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB
Af8EBTADAQH/MB0GA1UdDgQWBBSfUy5bjUnBAx/B0GkOBKp91XvxzjAKBggqhkjO
PQQDAgNJADBGAiEAnbvh0puOS5R/qvy1PMHY1iksYKh2acsGLtL/jAIvO4ACIQCi
lIwQqLkJ48SQqCjG1DBTSBsHmMSRT+6mE2My+Z3GKA==-----END CERTIFICATE-----

传递该--rotate标志（以及可选的a --ca-cert，连同一个--ca-key或--external-ca参数标志），以便旋转当前群根CA.

$ docker swarm ca --rotate
desired root digest: sha256:05da740cf2577a25224c53019e2cce99bcc5ba09664ad6bb2a9425d9ebd1b53e
  rotated TLS certificates:  [=========================>                         ] 1/2 nodes
  rotated CA certificates:   [>                                                  ] 0/2 nodes

一旦旋转os完成（所有进度条完成），将打印当前的CA证书：

$ docker swarm ca --rotate
desired root digest: sha256:05da740cf2577a25224c53019e2cce99bcc5ba09664ad6bb2a9425d9ebd1b53e
  rotated TLS certificates:  [==================================================>] 2/2 nodes
  rotated CA certificates:   [==================================================>] 2/2 nodes-----BEGIN CERTIFICATE-----MIIBazCCARCgAwIBAgIUFynG04h5Rrl4lKyA4/E65tYKg8IwCgYIKoZIzj0EAwIw
EzERMA8GA1UEAxMIc3dhcm0tY2EwHhcNMTcwNTE2MDAxMDAwWhcNMzcwNTExMDAx
MDAwWjATMREwDwYDVQQDEwhzd2FybS1jYTBZMBMGByqGSM49AgEGCCqGSM49AwEH
A0IABC2DuNrIETP7C7lfiEPk39tWaaU0I2RumUP4fX4+3m+87j0DU0CsemUaaOG6+PxHhGu2VXQ4c9pctPHgf7vWeVajQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB
Af8EBTADAQH/MB0GA1UdDgQWBBSEL02z6mCI3SmMDmITMr12qCRY2jAKBggqhkjO
PQQDAgNJADBGAiEA263Eb52+825EeNQZM0AME+aoH1319Zp9/J5ijILW+6ACIQCg
gyg5u9Iliel99l7SuMhNeLkrU7fXs+Of1nTyyM73ig==-----END CERTIFICATE-----

--rotate

如果一个或多个群集管理器已被破坏，则建议使用根CA旋转，以便这些管理器无法再连接到群集中的任何其他节点或受其信任。

或者，可以使用根CA旋转来将群集CA控制权授予外部CA，或从外部CA获取控制权。

--rotate标志不需要任何参数进行轮换，但您可以选择指定证书和密钥，或者证书和外部CA URL，并且将使用这些参数代替自动生成的证书/密钥对。

由于根CA密钥应该保密，如果提供，通过CLI或API查看群集任何信息时都不可见。

直到所有注册节点都旋转了他们的TLS证书后，根CA轮换才能完成。如果旋转没有在合理的时间内完成，请尝试运行docker node ls --format {{.ID}} {{.Hostname}} {{.Status}} {{.TLSStatus}}以查看是否有节点关闭或无法旋转TLS证书。

--detach

启动根CA旋转，但不要等待旋转的完成或显示旋转的进度。

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