68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
// Copyright 2015 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 ui
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import (
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"bytes"
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"io"
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"net/http"
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_ "net/http/pprof" // Comment this line to disable pprof endpoint.
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/common/log"
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"github.com/prometheus/common/route"
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)
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func serveAsset(w http.ResponseWriter, req *http.Request, fp string) {
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info, err := AssetInfo(fp)
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if err != nil {
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log.Warn("Could not get file: ", err)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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file, err := Asset(fp)
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if err != nil {
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if err != io.EOF {
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log.With("file", fp).Warn("Could not get file: ", err)
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}
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w.WriteHeader(http.StatusNotFound)
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return
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}
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http.ServeContent(w, req, info.Name(), info.ModTime(), bytes.NewReader(file))
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}
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// Register registers handlers to serve files for the web interface.
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func Register(r *route.Router, reloadCh chan<- struct{}) {
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ihf := prometheus.InstrumentHandlerFunc
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r.Get("/metrics", prometheus.Handler().ServeHTTP)
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r.Get("/", ihf("index", func(w http.ResponseWriter, req *http.Request) {
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serveAsset(w, req, "ui/app/index.html")
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}))
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r.Get("/script.js", ihf("app", func(w http.ResponseWriter, req *http.Request) {
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serveAsset(w, req, "ui/app/script.js")
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}))
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r.Post("/-/reload", func(w http.ResponseWriter, req *http.Request) {
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w.Write([]byte("Reloading configuration file..."))
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reloadCh <- struct{}{}
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})
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r.Get("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
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r.Post("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
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}
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