etcd/mod/dashboard/dashboard.go
2013-11-08 16:59:30 -08:00

53 lines
1.3 KiB
Go

package dashboard
import (
"bytes"
"net/http"
"os"
"path"
"time"
"github.com/coreos/etcd/log"
"github.com/coreos/etcd/mod/dashboard/resources"
)
func memoryFileServer(w http.ResponseWriter, req *http.Request) {
log.Debugf("[recv] %s %s [%s]", req.Method, req.URL.Path, req.RemoteAddr)
upath := req.URL.Path
if len(upath) == 0 {
upath = "index.html"
}
// TODO: use the new mux to do this work
dir, file := path.Split(upath)
if file == "browser" || file == "stats" {
file = file + ".html"
}
upath = path.Join(dir, file)
b, ok := resources.File("/" + upath)
if ok == false {
http.Error(w, upath+": File not found", http.StatusNotFound)
return
}
http.ServeContent(w, req, upath, time.Time{}, bytes.NewReader(b))
return
}
// DashboardHttpHandler either uses the compiled in virtual filesystem for the
// dashboard assets or if ETCD_DASHBOARD_DIR is set uses that as the source of
// assets.
func HttpHandler() (handler http.Handler) {
handler = http.HandlerFunc(memoryFileServer)
// Serve the dashboard from a filesystem if the magic env variable is enabled
dashDir := os.Getenv("ETCD_DASHBOARD_DIR")
if len(dashDir) != 0 {
log.Debugf("Using dashboard directory %s", dashDir)
handler = http.FileServer(http.Dir(dashDir))
}
return handler
}