🌱 Add basic unit test for EKS AWSManagedControlPlaneReconciler

[AndiDog]

What type of PR is this?

/kind support

What this PR does / why we need it:

The EKS reconciliation was not covered in unit tests at all, making it hard to contribute changes with confidence. So like for AWSCluster reconciliation, I added a similar type of test that checks the basic creation of a cluster and the expected AWS API calls.

For now, the only test is for AWSManagedControlPlane creation with managed VPC, but more can be added more easily after this PR, since I'm making the controller testable.

This meant to fix a few small things along the way, such as version parsing which ignored errors or panicked until now.

Checklist:

• squashed commits
• includes documentation
• includes emojis
• adds unit tests
• adds or updates e2e tests

Release note:

NONE

[AndiDog]

/test pull-cluster-api-provider-aws-build-docker

[AndiDog]

/test pull-cluster-api-provider-aws-e2e-eks

[Ankitasw]

This is really helpful @AndiDog, could you please add what all tests have you covered as part of description? It would be helpful in the review.

[AndiDog]

@Ankitasw Added some more description, but really it's "just" about making the controller testable and adding a basic test AWSManagedControlPlane creation with managed VPC. I didn't want to blow up the PR size by adding much more. Adding more tests will be much easier after this.

[richardcase]

Thanks @AndiDog. This is really helpful and as a base it will enable us to improve our test coverage on the EKS side. From my side:

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: richardcase

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[AndiDog]

@cnmcavoy @faiq do you have a chance to review this? Thanks 😉

[cnmcavoy]

/lgtm