qa_crowbarsetup: Create and use floating ip for Manila exports
qa_crowbarsetup: Create and use floating ip for Manila exports

During Manila tempest tests, a floating ip is used to access the
exported shares. So the Manila service VM needs a floating ip
and this IP must be set while deploying the generic driver.

vmoravec/automation,vmoravec/automation,SUSE-Cloud/automation,vmoravec/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,aspiers/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,gosipyan/automation