Description of problem: Currently we use faraday gem to collect buffered-allerts from prometheus. We should instead create and use a specialized gem to collect buffered-allerts from prometheus.
Please assess the impact of this issue and update the severity accordingly. Please refer to https://bugzilla.redhat.com/page.cgi?id=fields.html#bug_severity for a reminder on each severity's definition. If it's something like a tracker bug where it doesn't matter, please set it to Low/Low.
PR submitted: https://github.com/ManageIQ/manageiq-providers-kubernetes/pull/175