implement prometheus agent statistics

go.mod

@@ -19,18 +19,27 @@ require (
  github.com/golang-jwt/jwt v3.2.2+incompatible
  github.com/iancoleman/strcase v0.2.0
  github.com/pkg/errors v0.9.1
+ github.com/prometheus/client_golang v1.12.2
 )
 
 require (
  github.com/andres-erbsen/clock v0.0.0-20160526145045-9e14626cd129 // indirect
+ github.com/beorn7/perks v1.0.1 // indirect
+ github.com/cespare/xxhash/v2 v2.1.2 // indirect
  github.com/go-ole/go-ole v1.2.6 // indirect
  github.com/gofrs/flock v0.8.1 // indirect
+ github.com/golang/protobuf v1.5.2 // indirect
  github.com/google/uuid v1.3.0 // indirect
+ github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+ github.com/prometheus/client_model v0.2.0 // indirect
+ github.com/prometheus/common v0.32.1 // indirect
+ github.com/prometheus/procfs v0.7.3 // indirect
  github.com/tklauser/numcpus v0.4.0 // indirect
  github.com/yusufpapurcu/wmi v1.2.2 // indirect
  go.uber.org/atomic v1.9.0 // indirect
  go.uber.org/multierr v1.8.0 // indirect
  golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6 // indirect
+ google.golang.org/protobuf v1.28.0 // indirect
 )
 
 go 1.17