Okay, so the only way to exclude a host is at the play level, not the role
level?
It would be more ideal for my setup to exclude at the role level, that way
I can ensure that any new play that is written that includes a particular
role won't run it against blacklisted hosts. Moreover, having hosts
excluded at the play level means that entire play will be skipped on
blacklisted hosts, but perhaps only 1 of the roles in the play is
blacklisted, and so if the blacklist/exclusion happened at the role level
then the play would run on the blacklisted host and just complete all of
the roles that were allowed.
For example, say I have a play called common.yml which sets up several
common features on hosts. It is defined as follows:
roles:
- ntp
- postfix
- smartmontools
It would be nice to be able to just run the common.yml play against all
hosts, and have it configure ntp and smartmontools on all hosts but only
postfix on the hosts which aren't mailservers. Is this possible? If I add
"- hosts: !mailserver" to common.yml, then the complete play will be
skipped on "mailserver".
On Friday, 6 December 2013 13:48:03 UTC-6, Serge van Ginderachter wrote:
>
>
> On 6 December 2013 20:40, Andrew Martin <[email protected]<javascript:>
> > wrote:
>
>> Thanks for the information. In order to exclude a hostname called
>> "mailserver", would I simply add a hosts line like this to the top of the
>> postfix role's tasks/main.yml?
>> - hosts:!mailserver
>> - name: task1
>> ...
>> - name: task2
>> ...
>> Will this override the list of hosts that I provide to the playbooks that
>> include this role?
>>
>
> No. the hosts: keyword is to be set at play level, not at task level:
>
> - name: mailserver play
>> hosts:
>> postfixservers:
>> !mailserver
>> tasks:
>> - ...
>> roles:
>> - ...
>
>
>
>
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