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metrics.go
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/
metrics.go
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// Copyright 2019 Authors of Cilium
//
// 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.
package main
import (
"net/http"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
const metricNamespace = "cilium_operator"
var registry *prometheus.Registry
func registerMetrics() {
registry = prometheus.NewPedanticRegistry()
registry.MustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{Namespace: metricNamespace}))
go func() {
// The Handler function provides a default handler to expose metrics
// via an HTTP server. "/metrics" is the usual endpoint for that.
http.Handle("/metrics", promhttp.HandlerFor(registry, promhttp.HandlerOpts{}))
log.Fatal(http.ListenAndServe(metricsAddress, nil))
}()
}