add HistogramExt method with custom quantiles

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.github/workflows/job_coverage.yml

@@ -32,7 +32,7 @@ jobs:
         go tool cover -func coverage.out -o coverage.out
 
     - name: coverage badge
-      uses: tj-actions/coverage-badge-go@v2
+      uses: tj-actions/coverage-badge-go@v3
       with:
         green: 80
         filename: coverage.out

README.md

@@ -1,5 +1,5 @@
 # VictoriaMetrics
-![Coverage](https://img.shields.io/badge/Coverage-46.9%25-yellow)
+![Coverage](https://img.shields.io/badge/Coverage-46.0%25-yellow)
 
 Wrappers are a form of middleware that can be used with go-micro services. They can wrap both the Client and Server handlers. 
 This plugin implements the HandlerWrapper interface to provide automatic prometheus metric handling

go.mod

@@ -1,12 +1,12 @@
 module go.unistack.org/micro-meter-victoriametrics/v4
 
-go 1.23.0
+go 1.24.0
 
 toolchain go1.24.4
 
 require (
-	github.com/VictoriaMetrics/metrics v1.38.0
+	github.com/VictoriaMetrics/metrics v1.40.2
-	go.unistack.org/micro/v4 v4.1.19
+	go.unistack.org/micro/v4 v4.1.23
 )
 
 require (
@@ -16,7 +16,7 @@ require (
 	github.com/valyala/fastrand v1.1.0 // indirect
 	github.com/valyala/histogram v1.2.0 // indirect
 	go.unistack.org/micro-proto/v4 v4.1.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
 	google.golang.org/grpc v1.72.0 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect

go.sum

@@ -1,5 +1,5 @@
-github.com/VictoriaMetrics/metrics v1.38.0 h1:1d0dRgVH8Nnu8dKMfisKefPC3q7gqf3/odyO0quAvyA=
+github.com/VictoriaMetrics/metrics v1.40.2 h1:OVSjKcQEx6JAwGeu8/KQm9Su5qJ72TMEW4xYn5vw3Ac=
-github.com/VictoriaMetrics/metrics v1.38.0/go.mod h1:r7hveu6xMdUACXvB8TYdAj8WEsKzWB0EkpJN+RDtOf8=
+github.com/VictoriaMetrics/metrics v1.40.2/go.mod h1:XE4uudAAIRaJE614Tl5HMrtoEU6+GDZO4QTnNSsZRuA=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
@@ -30,12 +30,12 @@ github.com/valyala/histogram v1.2.0 h1:wyYGAZZt3CpwUiIb9AU/Zbllg1llXyrtApRS815OL
 github.com/valyala/histogram v1.2.0/go.mod h1:Hb4kBwb4UxsaNbbbh+RRz8ZR6pdodR57tzWUS3BUzXY=
 go.unistack.org/micro-proto/v4 v4.1.0 h1:qPwL2n/oqh9RE3RTTDgt28XK3QzV597VugQPaw9lKUk=
 go.unistack.org/micro-proto/v4 v4.1.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
-go.unistack.org/micro/v4 v4.1.19 h1:LKpmSPYvX5B9AkFD7JqMU/U06v5yEWn2bsCG/YKZtZI=
+go.unistack.org/micro/v4 v4.1.23 h1:T9O1O1mN60JHqIAIw+XkNik8xb0h90O9fJ55uQMb8VU=
-go.unistack.org/micro/v4 v4.1.19/go.mod h1:xleO2M5Yxh4s6I+RUcLrEpUjobefh+71ctrdIfn7TUs=
+go.unistack.org/micro/v4 v4.1.23/go.mod h1:nlBXTbx0rQrSZX4HPp2m57PHmpuGPWUd0O+jpUIiPto=
 golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
 golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
-golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
+golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
-golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
 golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a h1:51aaUVRocpvUOSQKM6Q7VuoaktNIaMCLuhZB6DKksq4=

victoriametrics.go

@@ -26,6 +26,10 @@ func (r *victoriametricsMeter) Name() string {
 	return r.opts.Name
 }
 
+func (r *victoriametricsMeter) Unregister(name string, labels ...string) bool {
+	return r.set.UnregisterMetric(r.buildName(name, labels...))
+}
+
 func (r *victoriametricsMeter) Clone(opts ...meter.Option) meter.Meter {
 	options := r.opts
 	for _, o := range opts {
@@ -65,7 +69,14 @@ func (r *victoriametricsMeter) Gauge(name string, f func() float64, labels ...st
 
 func (r *victoriametricsMeter) Histogram(name string, labels ...string) meter.Histogram {
 	if r.prometheusCompat {
-		return r.set.GetOrCreatePrometheusHistogram(r.buildName(name, labels...))
+		return r.set.GetOrCreatePrometheusHistogramExt(r.buildName(name, labels...), r.opts.Quantiles)
+	}
+	return r.set.GetOrCreateHistogram(r.buildName(name, labels...))
+}
+
+func (r *victoriametricsMeter) HistogramExt(name string, quantiles []float64, labels ...string) meter.Histogram {
+	if r.prometheusCompat {
+		return r.set.GetOrCreatePrometheusHistogramExt(r.buildName(name, labels...), quantiles)
 	}
 	return r.set.GetOrCreateHistogram(r.buildName(name, labels...))
 }
@@ -94,6 +105,9 @@ func (r *victoriametricsMeter) Init(opts ...meter.Option) error {
 	if v, ok := r.opts.Context.Value(prometheusCompatKey{}).(bool); ok && v {
 		r.prometheusCompat = v
 	}
+	if r.opts.Quantiles == nil {
+		r.opts.Quantiles = meter.DefaultQuantiles
+	}
 	return nil
 }