client_golang/examples/customlabels/main.go

45 lines
1.6 KiB
Go
Raw Normal View History

// Copyright 2022 The Prometheus Authors
// Licensed 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.
// A simple example of how to add fixed custom labels to all metrics exported by the origin collector.
// For more details, see the documentation: https://pkg.go.dev/github.com/prometheus/client_golang/prometheus#WrapRegistererWith
package main
import (
"flag"
"log"
"net/http"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/collectors"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
var addr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.")
func main() {
flag.Parse()
// Create a new registry.
reg := prometheus.NewRegistry()
prometheus.WrapRegistererWith(prometheus.Labels{"serviceName": "my-service-name"}, reg).MustRegister(
collectors.NewGoCollector(),
collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}),
)
// Expose the registered metrics via HTTP.
http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{}))
log.Fatal(http.ListenAndServe(*addr, nil))
}