🌱Add image validation for openstack machine

[smoshiur1237]

This pr will be part of fix for image validation. At this moment invalid images are not reported to the describe log of the openstack machine. The goal is to improve the log situation by adding the image validation for image parameters.
Fixes #2265

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• ✅ login: smoshiur1237 / name: Moshiur Rahman (e875709)

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @smoshiur1237. Thanks for your PR.

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
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[smoshiur1237]

/hold
work in progress

[lentzi90]

/ok-to-test

[smoshiur1237]

/test pull-cluster-api-provider-openstack-e2e-test

[bnallapeta]

@smoshiur1237 Just checking in on this. Do you have some time to look over the failing tests and fix them?
(would need a rebase too)

[smoshiur1237]

I had a discussion with @lentzi90 and trying to explore different way of validation. The approach we are using may not cover the validation. I will get back on this soon.

[k8s-ci-robot]

@smoshiur1237: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cluster-api-provider-openstack-test	e875709	link	true	/test pull-cluster-api-provider-openstack-test
pull-cluster-api-provider-openstack-e2e-test	e875709	link	true	/test pull-cluster-api-provider-openstack-e2e-test

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.