docs(policy): automatically convert policy yaml

[jakubdyszkiewicz]

Add plugin to generate policy tabs for universal and kubernetes and automatically convert universal yaml to kubernetes yaml.

I changed only one file, but once this is merged I'll go over all occurrences in the project to clean it up.

The difference with MeshCircuitBreaker is that we are missing

We will apply the configuration with `kubectl apply -f [..]`.

and

We will apply the configuration with `kumactl apply -f [..]` or via the [HTTP API](/docs/{{ page.version }}/reference/http-api).

I don't find this useful, but I can also add this information to an HTML generated by the plugin. It can be even opt-in.

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[lahabana]

@fabianrbz for this to be usable in both Kuma and Kong-Mesh we need to extract this in a gem?

[lahabana]

Putting this as draft as we need to extract this to make it usable in both doc sites

[Automaat]

I am missing one thing here. I think it is beneficial to have policies that have service names easily understandable on every platform. For example on universal you can set service name to any value like: demo-app, on k8s on the other hand service name contains namespace and port: demo-app_kuma-demo_svc_5000. It would be good to include it in this plugin somehow.

Another topic I think it would be also helpful for users to base all policies example on demo app, so they can simply play with them and apply them without changing anything.

[lahabana]

I am missing one thing here. I think it is beneficial to have policies that have service names easily understandable on every platform. For example on universal you can set service name to any value like: demo-app, on k8s on the other hand service name contains namespace and port: demo-app_kuma-demo_svc_5000. It would be good to include it in this plugin somehow.

Makes sense my guess is that this could be done as a follow up

[michaelbeaumont]

@jakubdyszkiewicz is this already working with the new reusable plugin stuff in #1303?

[jakubdyszkiewicz]

@michaelbeaumont It doesn't. Is there a repo or something to this plugin to the gem?

[michaelbeaumont]

@jakubdyszkiewicz It's in this repo, I think you just have to make changes similar to 46e2f01

[jakubdyszkiewicz]

It seems it's there, Charly moved this around

[michaelbeaumont]

Nice! LGTM

[jakubdyszkiewicz]

created an issue for name conversion #1359