docker swarm CA证书到期

1.现象

在portain平台查看日志，发现一些节点日志无法查看报错为：Error grabbing logs: rpc error: code = Unknown desc = warning: incomplete log stream. some logs could not be retrieved for the following reasons: node xw411xvzxn5sm29dd8u7culla is not available

2.查看证书时间

登陆docker swarm管理节点查看证书有效期时间

[root@host-10-6-29-41 ~]# docker system info

  CA Configuration:
   Expiry Duration: 3 months
   Force Rotate: 0
# 查看这语句发现CA证书只有3个月的有效期

3.更新CA证书并延长证书时间

[root@host-10-6-29-41 ~]# docker swarm update --cert-expiry 867240h0m0s
Swarm updated.
[root@host-10-6-29-41 ~]# docker swarm ca --rotate | openssl x509 -text -noout
#在swarm管理节点执行这两个命令

4.检查

[root@host-10-6-29-41 ~]# dockerystem info
  CA Configuration:
   Expiry Duration: 99 years
   Force Rotate: 2
#通过查看CA证书时间发现已经更新并延长

查看日志发现日志已经可以正常查看，恢复正常。