mirror of
https://github.com/prometheus/prometheus.git
synced 2025-10-31 08:21:16 +01:00
5859b74f1b
- Move CONTRIBUTORS.md to the more common AUTHORS. - Added the required NOTICE file. - Changed "Prometheus Team" to "The Prometheus Authors". - Reverted the erroneous changes to the Apache License.
85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
// Copyright 2014 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 web
|
|
|
|
import (
|
|
"flag"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/url"
|
|
"path/filepath"
|
|
|
|
clientmodel "github.com/prometheus/client_golang/model"
|
|
"github.com/prometheus/prometheus/storage/local"
|
|
"github.com/prometheus/prometheus/templates"
|
|
)
|
|
|
|
var (
|
|
consoleTemplatesPath = flag.String("web.console.templates", "consoles", "Path to the console template directory, available at /console.")
|
|
consoleLibrariesPath = flag.String("web.console.libraries", "console_libraries", "Path to the console library directory.")
|
|
)
|
|
|
|
// ConsolesHandler implements http.Handler.
|
|
type ConsolesHandler struct {
|
|
Storage local.Storage
|
|
}
|
|
|
|
func (h *ConsolesHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
file, err := http.Dir(*consoleTemplatesPath).Open(r.URL.Path)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusNotFound)
|
|
return
|
|
}
|
|
text, err := ioutil.ReadAll(file)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// Provide URL parameters as a map for easy use. Advanced users may have need for
|
|
// parameters beyond the first, so provide RawParams.
|
|
rawParams, err := url.ParseQuery(r.URL.RawQuery)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusBadRequest)
|
|
return
|
|
}
|
|
params := map[string]string{}
|
|
for k, v := range rawParams {
|
|
params[k] = v[0]
|
|
}
|
|
data := struct {
|
|
RawParams url.Values
|
|
Params map[string]string
|
|
Path string
|
|
}{
|
|
RawParams: rawParams,
|
|
Params: params,
|
|
Path: r.URL.Path,
|
|
}
|
|
|
|
template := templates.NewTemplateExpander(string(text), "__console_"+r.URL.Path, data, clientmodel.Now(), h.Storage)
|
|
filenames, err := filepath.Glob(*consoleLibrariesPath + "/*.lib")
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
result, err := template.ExpandHTML(filenames)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
io.WriteString(w, result)
|
|
}
|