Hi,
you could start with a task running against the localhost doing `jinja2`
magic and see, if `myvar=!al` and then run the next task with
```
hosts: "{{ myvar}}"
```
Greets
J
On 19-08-07 18:53:39, Veera wrote:
> Hi kai,
>
> Thanks for the inputs.
>
> "for security reasons". - I mean that we have disabled gather_facts for
> better performance. And we want other users to play the playbook with
> access to the same inventory .
> I am looking for a way to avoid them running "ansible-playbook pb.yml -e
> myvar=all" and to always use "myvar=hostname."
>
> is there a way to stop a particular user to stop using " myvar=all" based
> on inventory or other modes?
>
>
>
>
> On Wednesday, August 7, 2019 at 11:07:16 PM UTC+5:30, Kai Stian Olstad
> wrote:
> >
> > On 07.08.2019 18:55, Veera wrote:
> > > Hi,
> > >
> > > Is there a way that we can use a playbook with no "hosts: XXX"
> > defined.
> >
> > No, hosts is a required attribute for a play.
> >
> >
> > > All the servers are available in the inventory file defined in the
> > > ansible.cfg , but the playbooks have to be run based on a single or
> > > multiple client on the ad-hoc request based.
> >
> > You can always set hosts: all and use the --limit to only run on some
> > hosts.
> >
> >
> > > Is there a way to remove
> > >
> > >
> > > hosts: all
> > >
> > >
> > > and have the same playbook working for security reasons ?
> >
> > I don't understand what you mean by "for security reasons".
> >
> >
> > > In the meantime when a play is to be executed in all the clients they
> > have
> > > to be mentioned from the command line(or jenkins)
> >
> > You can use a variable for hosts an set it with extra vars on the command
> > line
> >
> > - hosts: '{{ myvar }}'
> >
> > ansible-playbook pb.yml -e myvar=all
> >
> >
> > --
> > Kai Stian Olstad
> >
>
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