ROX-21070: Implement the addon mgmt in fleet manager

[kovayur]

Description

Install addon from Fleet Manager: Part 4.
This change adds a feature to automatically update addons from Fleet Manager.

Checklist (Definition of Done)

• Unit and integration tests added
• Added test description under Test manual
• Documentation added if necessary (i.e. changes to dev setup, test execution, ...)
• CI and all relevant tests are passing
• Add the ticket number to the PR title if available, i.e. ROX-12345: ...
• Discussed security and business related topics privately. Will move any security and business related topics that arise to private communication channel.
• Add secret to app-interface Vault or Secrets Manager if necessary
• RDS changes were e2e tested manually
• Check AWS limits are reasonable for changes provisioning new resources

Test manual

TODO: Add manual testing efforts

# To run tests locally run:
make db/teardown db/setup db/migrate
make ocm/setup OCM_OFFLINE_TOKEN=<ocm-offline-token> OCM_ENV=development
make verify lint binary test test/integration

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[kovayur]

Current dependencies on/for this PR:

• main
  • PR ROX-21070: Add fleetshard addon installation status to private api #1503
    • PR ROX-21070: Publish addon state from fleetshard-sync #1504
      • PR ROX-21070: Declare Data Plane Cluster configuration in gitops config #1521
        • PR ROX-21070: Implement the addon mgmt in fleet manager #1522 👈
          • PR ROX-21070: Set fleetshard sync image from Fleet Manager #1531
            • PR ROX-21070: Make addon version optional #1570

This stack of pull requests is managed by Graphite.

[ludydoo]

I'm not familiar with multierror, but should this read?

if err := p.installAddon(clusterID, addon)); err != nil {
  multiErr = multierror.Append(multiErr, err)
}

[kovayur]

Right, in my case when err is nil there'll be no action. I fixed the logging a bit to support the error case

[ludydoo]

Spotless! 💯

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kovayur, ludydoo, SimonBaeumer

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• OWNERS [SimonBaeumer,kovayur,ludydoo]

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[openshift-ci]

New changes are detected. LGTM label has been removed.