The Ansible way would prefer it simpler.
Here's how you select the first node out of a group:
- hosts: groupname[0]
tasks:
- ...
Here's how you select a node that is in two groups:
- hosts: group1:&group2
Here's how you would select a node that is in two groups and make a group
of the union:
- hosts: group1:&group2
tasks:
- group_by: key=groupOneAndTwo
Here's how you would then pick the first host out of that group
- hosts: groupOneAndTwo[0]
tasks:
- shell: echo I am the first node in both!
On Sat, May 24, 2014 at 10:29 PM, Steve Ims <[email protected]> wrote:
> Found a brute-force solution:
>
> $ ipaddr=$(ansible "tag_version_1:&tag_role_foo" --list-hosts | head -n 2
> | tail -n 1)
> $ ansible ${ipaddr} -m ping
>
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