Hi,

I was hitting this issue recently in the rex plugin, I needed to
change the way the param is whitelisted,
from using an array, to pass it via a block like this:

   https://github.com/theforeman/foreman_remote_execution/pull/276

Also, make sure you're testing it with the version of Foreman that has
this patch
https://github.com/theforeman/foreman/pull/4886, as it needs it to
work properly.

-- Ivan

On Thu, Oct 12, 2017 at 7:24 PM, jbm <[email protected]> wrote:
> Hi,
>
> I'm currently working on a Foreman plugin to use IBM PowerVM instances as
> compute resources, and have run into the following problem when implementing
> the network interface form:
>
> Following the guide at [1], I put my additional network parameters in
> `foreman_powervm/app/views/compute_resources_vms/form/foreman_powervm/_network.html.erb',
> like this:
>
>   <%= number_f f, :my_param
>                   :label => _("Foo") %>
>
> I now expected :my_param to be available in
> ForemanPowerVM::PowerVM#create_vm (which is my subclass of ComputeResource),
> in the form of args['interfaces_attributes'][i]['my_param'], but it is not
> there (even though the foreman log shows that my_param was in fact recieved
> as a POST parameter).
>
> So, as described in [2], I added
>
>   parameter_filter Nic::Interface, compute_attributes: [:my_param]
>
> to the Plugin.register block in my Engine class, but to no avail.
>
>
> After a bit of digging around in the foreman code I managed to "fix" this by
> adding :my_param to the :compute_attributes entry in
> Foreman::Controller::Parameters::NicBase#add_nic_base_params_filter (file
> `foreman_app/controllers/concerns/foreman/controller/parameters/nic_base.rb:27').
>
>
> How do I keep my parameter from being filtered without altering foreman
> code? What is the correct way to register parameters, as parameter_filter
> doesnt seem to work?
>
>
> Thanks for reading and hopefully your help!
>
>
> [1]:
> http://projects.theforeman.org/projects/foreman/wiki/How_to_Create_a_Plugin#Required-views
> [2]: http://projects.theforeman.org/projects/foreman/wiki/Strong_parameters
>
> --
> jbm
>
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