52 lines
1.7 KiB
Go
52 lines
1.7 KiB
Go
// Copyright 2013 The Prometheus Authors
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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 api
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import (
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"net/http"
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"github.com/prometheus/client_golang/prometheus"
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clientmodel "github.com/prometheus/client_golang/model"
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"github.com/prometheus/prometheus/promql"
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"github.com/prometheus/prometheus/storage/local"
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"github.com/prometheus/prometheus/util/httputil"
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)
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// MetricsService manages the /api HTTP endpoint.
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type MetricsService struct {
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Now func() clientmodel.Timestamp
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Storage local.Storage
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QueryEngine *promql.Engine
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}
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// RegisterHandler registers the handler for the various endpoints below /api.
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func (msrv *MetricsService) RegisterHandler(mux *http.ServeMux, pathPrefix string) {
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handler := func(h func(http.ResponseWriter, *http.Request)) http.Handler {
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return httputil.CompressionHandler{
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Handler: http.HandlerFunc(h),
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}
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}
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mux.Handle(pathPrefix+"/api/query", prometheus.InstrumentHandler(
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pathPrefix+"/api/query", handler(msrv.Query),
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))
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mux.Handle(pathPrefix+"/api/query_range", prometheus.InstrumentHandler(
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pathPrefix+"/api/query_range", handler(msrv.QueryRange),
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))
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mux.Handle(pathPrefix+"/api/metrics", prometheus.InstrumentHandler(
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pathPrefix+"/api/metrics", handler(msrv.Metrics),
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))
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}
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