Hi Ben,
to avoid having server-side code, the Resource API doesn't have a way to
validate complex restrictions like this at compile time. You can either
collapse this into a single attribute of type `Variant[Boolean, String]` or
adding the validation in the provider at the time
`set`/`create`/`update`/`delete` get called. throwing an exception from
those methods will tell puppet that the resource application failed and
present the exception message to the user.
Regards, David
On Wed, 4 Dec 2019 at 16:34, Benjamin Ridley <benridle...@gmail.com> wrote:
> Hi all,
>
> I'm developing a resource that allows the declaration of keys in the Etcd
> key value store.
>
> My type looks like this:
>
> Puppet::ResourceApi.register_type(
> name: 'etcd_key',
> docs: 'This type allows the management of etcd keys as Puppet
> resources.',
> attributes: {
> ensure: {
> type: 'Enum[present, absent]',
> desc: 'Whether the key should be present in the etcd structure.',
> default: 'present',
> },
> path: {
> type: 'String',
> desc: 'The path of the key you want to manage in the etcd
> structure.',
> behaviour: :namevar,
> },
> directory: {
> type: 'Boolean',
> desc: 'Whether this key is a directory or not.',
> default: false,
> },
> value: {
> type: 'String',
> desc: 'The value of the key. Mutually exclusive if with
> is_directory => true.',
> },
> },
> )
>
>
> What I want to be able to do is make the value/directory parameters
> mutually exclusive as a directory does not have a 'value' in etcd, and
> similarly a key with a value cannot be a directory. Currently though,
> Puppet complains that I'm excluding required parameters when I declare them.
>
> Is this possible with the resource API or do I need to use the low level
> provider implementation?
>
> Thanks! Ben
>
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