The variable can be defined however you wish -- I'm not quite sure why you
think it can only be passed from the command line?
On the other hand, if all you want to do is to start a service from the
command line, you can invoke the service module via the ansible command
itself:
ansible -m service -e 'name=foo state=started'
without having to create a playbook to do it.
On Sunday, 1 May 2016 21:49:44 UTC+1, Rick O'Shea wrote:
>
> We have host groups whose service states we wish to automate.
>
> - name manage service
> service: name=foo state={{state}}
>
> As near as we can tell this is the only way to automate a playbook to
> start, stop, restart, enable, disable or status a service is to pass a
> variable on the command line:
>
> ansible-playbook foo-service.yml -e state=started
>
> Is this best practice?
>
>
>
>
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