[FEAT] - Plutono PluginDefinition

[IvoGoman]

Priority

(Medium) I'm annoyed but I'll live

Description

Organization administrators can deploy a Plutono Plugin into their namespace on the Greenhouse central cluster.
Plutono comes with a set of pre-installed kube-monitoring dashboards and has the capability to load custom dashboards from a git repo.

Acceptance criteria:

• Plugin contains

  1. Single Plutono instance
  2. Configuration for Prometheus datasources
  3. Dashboards
     • Dashboards for kube-metrics pre-installed, use Plutono built-in capabilities to import/export dashboards
     • Advanced: Automatically sync dashboards from a customer repo.

• Ingress configured per convention
  1. plutono.<org_name>.greenhouse.<TLD> (with OIDC)
  2. plutono-internal.<org_name>.greenhouse.<TLD> (w/o OIDC)

cc @artherd42 @richardtief

Reference Issues

No response

[richardtief]

Already here: cloudoperators/greenhouse-extensions#38