Josiah, oh interesting. I tried it but I got an error "Failed to parse 
/my/path/to/script with script plugin: .... Syntax error while loading 
YAML".

Does it expect YAML/JSON output?


On Tuesday, February 13, 2018 at 2:17:24 PM UTC-8, Josiah Niedrauer wrote:
>
> You shouldn't need a plugin for this. Use a script which downloads and 
> prints the inventory to stdout as your inventory file.
>
> For example:
> ansible-playbook -i script.sh
>
> On Feb 13, 2018 3:33 PM, "Archit Baweja" <arc...@waltznetworks.com 
> <javascript:>> wrote:
>
> Hey all,
>
> In my workflow at work, we us Ansible for managing dynamically provisioned 
> Azure VMs after they're provisioned. Currently our provisioning scripts 
> setup the Azure VMs, and then generate an ansible inventory file, which we 
> store in AWS S3. This way, any of the operations folks who want to run post 
> provisioning playbooks, they go download the inventory file from AWS S3, 
> and then run the playbooks using the regular syntax `ansible-playbook 
> a-playbook.yml -i path/to/downloaded/inventory/file`.
>
> We recently upgraded to Ansible 2.4, and was wondering, that given the new 
> inventory plugin refactor, if it would be possible for me to write a 
> plugin, that wraps the INI plugin, but does the automatic download of the 
> inventory from the AWS S3 source. How would I go about doing it? 
> Specifically...
>
> 1. Can I write my custom inventory plugin in my `lib/` directory, and 
> Ansible will pick it up? Or is there another path where it looks for 
> inventory plugins.
> 2. Is there any documentation on writing a custom plugin, including the 
> interface of expected method calls and return values?
> 3. Bonus, does the current design allow me to "compose" (in the sense of 
> functional programming) plugins over existing plugins?
>
> So for example in my case, I would just add a wrapper plugin class (or 
> maybe a child class of the INI plugin), and add the logic to download the 
> inventory file. Specifically something that would work with the command 
> line `ansible-playbook my-playbook.yml -i s3://my-bucket/inventory/path`.
>
> Thanks in advance,
> Archit
>
> P.S. Note the basic idea I'm going for is not really an Inventory 
> plugin,as much as writing an inventory lookup plugin.
>
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