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// Copyright 2018 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.
package handler
import (
"net/http"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
var (
httpCnt = promauto.NewCounterVec(
prometheus.CounterOpts{
Name: "pushgateway_http_requests_total",
Help: "Total HTTP requests processed by the Pushgateway, excluding scrapes.",
},
[]string{"handler", "code", "method"},
)
httpPushSize = promauto.NewSummaryVec(
prometheus.SummaryOpts{
Name: "pushgateway_http_push_size_bytes",
Help: "HTTP request size for pushes to the Pushgateway.",
Objectives: map[float64]float64{0.1: 0.01, 0.5: 0.05, 0.9: 0.01},
},
[]string{"method"},
)
httpPushDuration = promauto.NewSummaryVec(
prometheus.SummaryOpts{
Name: "pushgateway_http_push_duration_seconds",
Help: "HTTP request duration for pushes to the Pushgateway.",
Objectives: map[float64]float64{0.1: 0.01, 0.5: 0.05, 0.9: 0.01},
},
[]string{"method"},
)
)
func InstrumentWithCounter(handlerName string, handler http.Handler) http.HandlerFunc {
return promhttp.InstrumentHandlerCounter(
httpCnt.MustCurryWith(prometheus.Labels{"handler": handlerName}),
handler,
)
}
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