forked from mirror/client_golang
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
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// Copyright 2022 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build go1.17
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// +build go1.17
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// A minimal example of how to include Prometheus instrumentation.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net/http"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/collectors"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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var addr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.")
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func main() {
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flag.Parse()
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// Create a new registry.
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reg := prometheus.NewRegistry()
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// Add Go module build info.
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reg.MustRegister(collectors.NewBuildInfoCollector())
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reg.MustRegister(collectors.NewGoCollector(
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collectors.WithGoCollections(collectors.GoRuntimeMemStatsCollection | collectors.GoRuntimeMetricsCollection),
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))
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// Expose the registered metrics via HTTP.
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http.Handle("/metrics", promhttp.HandlerFor(
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reg,
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promhttp.HandlerOpts{
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// Opt into OpenMetrics to support exemplars.
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EnableOpenMetrics: true,
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},
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))
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fmt.Println("Hello world from new Go Collector!")
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log.Fatal(http.ListenAndServe(*addr, nil))
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}
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