How to add new CRDs

[vitorguidi]

I want to play around with this project and experiment with vertical autoscaling. Having said that, I looked through the makefile and did not find a way to add a new API.

As this project is bootstraped with kubebuilder, I attempted to run the following command, and got a bad result:

`
vitor@Pato:~/projects/cass-operator$ kubebuilder create api --group cassandra.datastax.com --version v1beta1 --kind cassandradatacenterautoscaler
Error: no plugin could be resolved with key "go.kubebuilder.io/v4-alpha" for project version "3" (plugin version is unstable, there may be an upgrade available: https://kubebuilder.io/migration/plugin/plugins.html)
Usage:
kubebuilder [flags]

Examples:
The first step is to initialize your project:
kubebuilder init [--plugins= [--project-version=]]

is a comma-separated list of plugin keys from the following table
and a supported project version for these plugins.

                         Plugin keys | Supported project versions

-----------------------------------------+----------------------------
base.go.kubebuilder.io/v3 | 3
base.go.kubebuilder.io/v4 | 3
declarative.go.kubebuilder.io/v1 | 2, 3
deploy-image.go.kubebuilder.io/v1-alpha | 3
go.kubebuilder.io/v2 | 2, 3
go.kubebuilder.io/v3 | 3
go.kubebuilder.io/v4 | 3
grafana.kubebuilder.io/v1-alpha | 3
kustomize.common.kubebuilder.io/v1 | 3
kustomize.common.kubebuilder.io/v2 | 3

For more specific help for the init command of a certain plugins and project version
configuration please run:
kubebuilder init --help --plugins= [--project-version=]

Default plugin keys: "go.kubebuilder.io/v4"
Default project version: "3"

Flags:
-h, --help help for kubebuilder
--plugins strings plugin keys to be used for this subcommand execution
--project-version string project version (default "3")

FATA no plugin could be resolved with key "go.kubebuilder.io/v4-alpha" for project version "3" (plugin version is unstable, there may be an upgrade available: https://kubebuilder.io/migration/plugin/plugins.html)
`

What is the correct/expected way to go about creating new APIs/CRDs/controllers?

[burmanm]

You can fix that issue by modifying the PROJECT file and moving from v4-alpha -> v4. After that, kubebuilder / operator-sdk should work.

[burmanm]

Not that kubebuilder is needed, one can also add APIs by just creating correct files and modifying the PROJECT file.

[vitorguidi]

Another way is to use operator-sdk 1.32, as the v4 thing is added in 1.33. Works as well, ended up figuring this one out before reading your reply.
This did the trick:
operator-sdk create api --group cassandra.datastax.com --version v1beta1 --kind CassandraDataCenterAutoscaler --resource --controller
Thanks!

[burmanm]

Closing stale tickets, reopen if there's anything else.