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Docker Swarm 服务约束

Docker Swarm 服务约束

作者: Hello泽泽 | 来源:发表于2020-03-08 04:26 被阅读0次

1.约束在管理节点

placement:
  constraints:
    - node.role == manager

写成一行也可以

placement:
  constraints: [node.role == manager]

2.约束在工作节点

placement:
  constraints:
    - node.role == worker

3.约束在指定节点

placement:
  constraints:
    - node.hostname == GZ-SWARM-86

4.约束在指定标签

节点增加标签

# app=linuxhub
docker node update --label-add  app="linuxhub" GZ-SWARM-86
placement:
  constraints:
    - node.labels.app == linuxhub

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