1// Copyright 2018, OpenCensus Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package prometheus_test 16 17import ( 18 "log" 19 "net/http" 20 21 "contrib.go.opencensus.io/exporter/prometheus" 22) 23 24func Example() { 25 exporter, err := prometheus.NewExporter(prometheus.Options{}) 26 if err != nil { 27 log.Fatal(err) 28 } 29 30 // Serve the scrape endpoint on port 9999. 31 http.Handle("/metrics", exporter) 32 log.Fatal(http.ListenAndServe(":9999", nil)) 33} 34