golang-github-grpc-ecosystem-go-grpc-prometheus-dev 1.2.0-1 (amd64 binary) in ubuntu cosmic

 This library uses gRPC Go interceptors (middleware) to implement both
 server- and client-side metrics and monitoring using Prometheus for a
 gRPC interface.
 .
 Using Prometheus for API monitoring allows querying and visualization
 of latency, request rates and other useful metrics that can be
 obtained from collecting time-series data.