47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
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// Copyright 2016 The etcd Authors
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//
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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 clientv3_test
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import (
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"fmt"
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"io/ioutil"
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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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)
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func ExampleMetrics_All() {
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// listen for all prometheus metrics
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go func() {
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http.Handle("/metrics", prometheus.Handler())
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log.Fatal(http.ListenAndServe(":47989", nil))
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}()
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url := "http://localhost:47989/metrics"
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// make an http request to fetch all prometheus metrics
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resp, err := http.Get(url)
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if err != nil {
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log.Fatalf("fetch error: %v", err)
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}
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b, err := ioutil.ReadAll(resp.Body)
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resp.Body.Close()
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if err != nil {
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log.Fatalf("fetch error: reading %s: %v", url, err)
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}
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fmt.Printf("%s", b)
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}
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