Use Gitlab::HTTP in PrometheusClient instead of RestClient
The following discussion from !26840 (merged) should be addressed:
-
@smcgivern started a discussion: (+1 comment) Not directly related to this MR: should we be using
Gitlab::HTTP
?
Currently PrometheusClient expects a RestClient. We need to use Gitlab::HTTP in order to homogenize the way we perform requests across the product.