On Fri, Sep 5, 2014 at 7:56 PM, <[email protected]> wrote:
> hostvars['somehost']['ansible_default_ipv4'].address
>
> inventory_hostname is a var worth mentioning: it's the hostname of the
> local system. useful for:
> hostvars[inventory_hostname]['ansible_default_ipv4']
>
This can be simplified just down to:
{{ ansible_default_ipv4 }}
however.
It can be useful for when you need to fish out a variable name
programmatically though.
{{ hostvars[inventory_hostname]["some_variable"][name_of_hash_key] }}
etc
>
> there's also a 'groups' top-level var you can use to iterate through the
> inventory, which may or may not be
> better than iterating through hostvars to get your list of hosts. pardon,
> been a couple months since i touched
> that particular use-case.
>
> On Fri, Sep 05, 2014 at 02:35:55PM -0700, Matt Hughes wrote:
> > As far as I understand it, fact variables are exposed for the *current*
> > server that Ansible is operating on. So if I say: {{
> > ansible_default_ipv4.address }}, that is going to get evaluated for each
> > host as I perform some operation using that variable.
>
> > hosts={% for fact in facts %}
> > {{ fact['ansible_default_ipv4.address'] }},
> > {% endfor %}
>
> > and have that evaluated to "98.0.0.1,98.0.0.2,98.0.0.3"
>
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