You can make a group called db_servers_stage and db_servers_production if
you like. Put hosts in each.
[stage:children]
dbservers_stage
webservers_stage
[dbservers:children]
dbservers_stage
dbservers_production
etc
On Thu, Aug 28, 2014 at 4:31 AM, Jordi Funollet <funol...@fastmail.fm>
wrote:
> On Thu, Aug 28, 2014, at 04:03 AM, Brian Coca wrote:
> > hosts can be in more than one group. all hosts in the production file
> > should be in production group, but you can also have hosts in dbservers
> > group.
>
> Agree. So when targeting hosts we can use the inventory as environment and
> *--limit* to restrict to a specific group in this environment.
>
> $ ansible-playbook -i inventory/stage -l dbservers
>
> But what about vars? Both vars in *group_vars/stage* and
> *group_vars/dbservers* would apply for these hosts. But I can't see a way
> to set a value for *dbservers* in *stage* and another for *dbservers* in*
> production*. Most cases could be addressed without this level of
> granularity, but I would like to know if there's some way to achieve this.
>
> And which one takes precedence? I assume groups are sorted alphabetically
> (are they?) so we should use some naming trick to guarantee that
> environments vars are consistently selected after (or before) "regular
> groups" vars.
>
> $ python -c 'import string ; print "".join(sorted(string.printable))'
>
> !"#$%&'()*+,-./0123456789:;<=>?@
> ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
>
> Prepending *~* to environment names sounds like a good way to give them
> less weight than "regular groups".
> --
> Jordi Funollet Pujol
> http://www.linkedin.com/in/jordifunollet
>
>
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