We're using a custom inventory script that calls a webservice which again
calls the aws ec2 api to list instances.
The reason we do this, is that we store auto-generated and unique instance
credentials, and the webservice retrieves these, decryptes them using aws
kms and presents them to ansibl
On Thursday, 14 December 2017 14.16.43 CET Trond Hindenes wrote:
> We're using a custom inventory script that calls a webservice which again
> calls the aws ec2 api to list instances.
>
> The reason we do this, is that we store auto-generated and unique instance
> credentials, and the webservice
please read
https://github.com/ansible/ansible/issues/33840#issuecomment-351508201
or
http://docs.ansible.com/ansible/latest/dev_guide/developing_inventory.html#tuning-the-external-inventory-script
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Brian Coca
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Thanks Brian,
I'm aware of the current functionality in regards to the "_meta" object vs
list/host.
My question is simply if its possible to _not_ populate a full hostvars
dict for every node in the inventory in situations where the majority of
the nodes are filtered out using the '--limit'
I
No, as `--limit` does not affect hostvars[anyhost][itsvar], since you
need to run the play before you know what variables are consumed we
cannot preemptively avoid querying those.
You CAN return an empty `_meta` (disables --host calls) and then add a
vars plugin that queries that info, vars plugin
Gotcha, that makes sense. Thanks!
On Thursday, December 14, 2017 at 10:38:25 PM UTC+1, Brian Coca wrote:
>
> No, as `--limit` does not affect hostvars[anyhost][itsvar], since you
> need to run the play before you know what variables are consumed we
> cannot preemptively avoid querying those.
>
