Add region support

[vakwetu]

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[openshift-ci]

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[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/f1f251380e1e4d4e829964874c4b0068

❌ openstack-k8s-operators-content-provider FAILURE in 5m 47s
⚠️ cinder-operator-kuttl SKIPPED Skipped due to failed job openstack-k8s-operators-content-provider
⚠️ cinder-operator-tempest SKIPPED Skipped due to failed job openstack-k8s-operators-content-provider