In that case, in the first play, do a "debug" and see what variables are
available.
- name: groupvars anybody
debug:
msg: "{{ vars }}"
>From that you should be able to work out what the expression would be, if
there is a way to do it.
On Friday, September 16, 2022 at 7:39:45 AM UTC-4 [email protected] wrote:
> Hi
>
> Thanks, but that seems to be making the play conditional on whether there
> are any 'web' hosts in the play.
> What I am looking for is a way to access those group_vars regardless of
> whether there are any such hosts in the play.
>
>
>
> On Fri, 16 Sept 2022 at 13:19, Todd Lewis <[email protected]> wrote:
>
>> Better:
>> groups['web'] | default([]) | length
>>
>> On Friday, September 16, 2022 at 6:50:22 AM UTC-4 Todd Lewis wrote:
>>
>>> Can you add
>>> when: groups['web'] | length
>>> onto the "populate secret for use elsewhere" task?
>>>
>>> On Friday, September 16, 2022 at 5:34:37 AM UTC-4 [email protected]
>>> wrote:
>>>
>>>> Hi
>>>>
>>>> I have a playbook that contains several plays. One play is performing
>>>> API related tasks in AWS, so it's using the local connection and
>>>> localhost.
>>>> The plays after that targets real hosts.
>>>> Pseudo code:
>>>>
>>>> - name: do API related work
>>>> hosts: localhost
>>>> connection: local
>>>> become: false
>>>> gather_facts: false
>>>> tags: api
>>>> tasks:
>>>> - name: populate secret for use elsewhere
>>>> community.aws.aws_secret:
>>>> name: foopass
>>>> secret: "{{ hostvars[groups['web'][0]].foopass }}"
>>>>
>>>> - name: deploy web servers
>>>> hosts: web
>>>> tasks:
>>>> - name: save secret
>>>> copy:
>>>> dest: foopass.txt
>>>> content: "{{ foopass }}"
>>>>
>>>>
>>>> This play works, but I don't know how to selectively run the API play
>>>> if there are no web servers in the play (as they might not exist yet).
>>>> If I try '-i localhost, --connection local', then the API task doesn't
>>>> find any hostvars for a 'web' host:
>>>>
>>>> TASK [populate secret for use elsewhere]
>>>> ***************************************************************************************************************
>>>> fatal: [localhost]: FAILED! =>
>>>> msg: '{{ hostvars[groups[''web''][0]].foopass }}: ''dict object'' has
>>>> no attribute ''web'''
>>>>
>>>> This seems to make sense. But how would I go about accessing those vars?
>>>> Is it possible at all to access variables for hosts that are NOT in the
>>>> current play?
>>>>
>>>> FYI the variable is not gathered (again, because the web host is not
>>>> yet there), it is defined in group_vars/web/main.yml - so it is there on
>>>> disk.
>>>>
>>>> Thanks!
>>>>
>>>> Dick Visser
>>>>
>>>>
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