| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package server |
| |
| import ( |
| "net/http" |
| "strconv" |
| ) |
| |
| import ( |
| sdkprometheus "github.com/prometheus/client_golang/prometheus" |
| "github.com/prometheus/client_golang/prometheus/promhttp" |
| "go.opentelemetry.io/otel/exporters/prometheus" |
| "go.opentelemetry.io/otel/metric/global" |
| "go.opentelemetry.io/otel/sdk/metric" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/logger" |
| "github.com/apache/dubbo-go-pixiu/pkg/model" |
| ) |
| |
| func registerOtelMetricMeter(conf model.Metric) { |
| if conf.Enable { |
| exporter := prometheus.New() |
| provider := metric.NewMeterProvider(metric.WithReader(exporter)) |
| |
| registry := sdkprometheus.NewRegistry() |
| err := registry.Register(exporter.Collector) |
| if err != nil { |
| logger.Errorf("register otel metric meter failed, err: %v", err) |
| return |
| } |
| |
| global.SetMeterProvider(provider) |
| |
| http.Handle("/", promhttp.HandlerFor(registry, promhttp.HandlerOpts{})) |
| addr := ":" + strconv.Itoa(conf.PrometheusPort) |
| go func() { |
| logger.Info("Prometheus server running on " + addr) |
| _ = http.ListenAndServe(addr, nil) |
| }() |
| } |
| } |