Thanks.

I want setup multi cluster instance. So in the play I can't specify the 
detailed cluster node groups, what I can do is use variable to cluster node 
groups.

For example,

[idc1_master]
host1  cluster_node=idc1_node

[idc1_node]
host2
host3

[idc2_master]
hosti  cluster_node=idc2_node

[idc2_node]
hostj
hostk


idc1-master requires idc1_node groups, idc2_master requires idc2_node 
groups. If playbook use idc1_node, idc2 cluster will use idc1_node, which 
is not correct.


在 2014年11月12日星期三UTC+8下午9时56分28秒,Brian Coca写道:
>
> I believe this is what you want:
>
> in the inventory:
> [idc1_node]
> ....
>
> in the play:
>
> - name: add nodes
>   debug:  msg={{item}}
>   with_items: groups['idc1_node']
>   tags:
>       - add-node
>
>
> -- 
> Brian Coca
>  

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