Images and sizes must be defined for unused components

[evilhamsterman]

Report

When creating a new cluster, you have to specify images for all components even if they aren't used.

It looks like there's a Jira bug for the backup image https://perconadev.atlassian.net/browse/K8SPS-616 but the logic issues are deeper.

More about the problem

For example if I create a group-replication cluster with ha proxy, the operator will not accept the CR unless I define the image and size for the router.

If I do specify those values it'll go ahead and create the cluster, but then when I try to run a backup or a restore it will fail because I haven't defined and orchestrator image or size, even though they aren't used for group-replication.

Steps to reproduce

1. Try to create a basic group replication cluster with haproxy enabled and router disabled
2. Submit the resource using server side apply
3. Submit fails with the error

   The PerconaServerMySQL "phorge-db" is invalid: 
   * spec.proxy.router.image: Required value
   * spec.proxy.router.size: Required value
   

4. Create noop values and create the cluster
5. Try to run a backup on the cluster and you get errors in the operator log about orchestrator image and size missing

Versions

1. Kubernetes: 1.32
2. Operator: 1.0.0
3. Database: 8.0.43

Anything else?

No response

[egegunes]

Yes, we heard this complaint before and I agree it needs to be improved. I created K8SPS-652 for this.