mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-10 07:34:04 -08:00
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
// Copyright 2012 Prometheus Team
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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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package main
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import (
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"github.com/matttproud/golang_instrumentation"
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"github.com/matttproud/prometheus/retrieval"
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"github.com/matttproud/prometheus/storage/metric/leveldb"
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"log"
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"net/http"
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"os"
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"os/signal"
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"time"
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)
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func main() {
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m, err := leveldb.NewLevelDBMetricPersistence("/tmp/metrics")
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if err != nil {
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log.Print(err)
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os.Exit(1)
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}
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go func() {
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notifier := make(chan os.Signal)
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signal.Notify(notifier, os.Interrupt)
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<-notifier
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m.Close()
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os.Exit(0)
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}()
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defer m.Close()
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results := make(chan retrieval.Result, 4096)
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t := &retrieval.Target{
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Address: "http://localhost:8080/metrics.json",
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Deadline: time.Second * 5,
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Interval: time.Second * 3,
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}
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manager := retrieval.NewTargetManager(results, 1)
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manager.Add(t)
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go func() {
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exporter := registry.DefaultRegistry.YieldExporter()
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http.Handle("/metrics.json", exporter)
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http.ListenAndServe(":9090", nil)
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}()
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for {
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result := <-results
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for _, s := range result.Samples {
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m.AppendSample(&s)
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}
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}
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}
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