alertmanager/web.go

91 lines
2.7 KiB
Go

// Copyright 2015 Prometheus Team
// 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 main
import (
"bytes"
"fmt"
"io"
"net/http"
_ "net/http/pprof" // Comment this line to disable pprof endpoint.
"path/filepath"
"github.com/prometheus/alertmanager/ui"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/common/log"
"github.com/prometheus/common/route"
)
func serveAsset(w http.ResponseWriter, req *http.Request, fp string) {
info, err := ui.AssetInfo(fp)
if err != nil {
log.Warn("Could not get file: ", err)
w.WriteHeader(http.StatusNotFound)
return
}
file, err := ui.Asset(fp)
if err != nil {
if err != io.EOF {
log.With("file", fp).Warn("Could not get file: ", err)
}
w.WriteHeader(http.StatusNotFound)
return
}
http.ServeContent(w, req, info.Name(), info.ModTime(), bytes.NewReader(file))
}
// Register registers handlers to serve files for the web interface.
func Register(r *route.Router, reloadCh chan<- struct{}, devMode bool) {
ihf := prometheus.InstrumentHandlerFunc
if devMode {
r.Get("/app/*filepath", func(w http.ResponseWriter, req *http.Request) {
fp := route.Param(route.Context(req), "filepath")
http.ServeFile(w, req, fmt.Sprintf("ui/app/%s", fp))
})
r.Get("/", func(w http.ResponseWriter, req *http.Request) {
http.ServeFile(w, req, "ui/app/index.html")
})
} else {
r.Get("/app/*filepath", ihf("app_files",
func(w http.ResponseWriter, req *http.Request) {
fp := route.Param(route.Context(req), "filepath")
serveAsset(w, req, filepath.Join("ui/app", fp))
},
))
r.Get("/", ihf("index", func(w http.ResponseWriter, req *http.Request) {
serveAsset(w, req, "ui/app/index.html")
}))
}
r.Get("/lib/*filepath", ihf("lib_files",
func(w http.ResponseWriter, req *http.Request) {
fp := route.Param(route.Context(req), "filepath")
serveAsset(w, req, filepath.Join("ui/lib", fp))
},
))
r.Get("/metrics", prometheus.Handler().ServeHTTP)
r.Post("/-/reload", func(w http.ResponseWriter, req *http.Request) {
w.Write([]byte("Reloading configuration file..."))
reloadCh <- struct{}{}
})
r.Get("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
r.Post("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
}