Merge pull request #2984 from mattymo/docker_tag

add docker upgrade tag doc
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Rong Zhang 2018-07-10 20:57:34 +08:00 committed by GitHub
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@ -92,6 +92,12 @@ These commands are useful only for upgrading fully-deployed, healthy, existing
hosts. This will definitely not work for undeployed or partially deployed
hosts.
Upgrade docker:
```
ansible-playbook -b -i inventory/sample/hosts.ini cluster.yml --tags=docker
```
Upgrade etcd:
```