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Add a visualization for the filer

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This commit is contained in:
cschiano 2016-07-18 10:28:24 +02:00
parent d3ae3a8e14
commit c63cebaee1
2 changed files with 72 additions and 55 deletions
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74
weed/server/filer_server_handlers_read.go
View file

@ -1,15 +1,12 @@
package weed_server
import (
"io"
"net/http"
"net/url"
"strconv"
"strings"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/util"
ui "github.com/chrislusf/seaweedfs/weed/server/filer_ui"
"github.com/syndtr/goleveldb/leveldb"
)
@ -42,63 +39,30 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
}
func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request, isGetMethod bool) {
if strings.HasSuffix(r.URL.Path, "/") {
if fs.disableDirListing {
w.WriteHeader(http.StatusMethodNotAllowed)
return
}
fs.listDirectoryHandler(w, r)
return
}
fileLimit := 100
files, err := fs.filer.ListFiles(r.URL.Path, "", fileLimit)
fileId, err := fs.filer.FindFile(r.URL.Path)
if err == leveldb.ErrNotFound {
glog.V(3).Infoln("Not found in db", r.URL.Path)
w.WriteHeader(http.StatusNotFound)
glog.V(0).Infof("Error %s", err)
return
}
urlLocation, err := operation.LookupFileId(fs.getMasterNode(), fileId)
if err != nil {
glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, err.Error())
w.WriteHeader(http.StatusNotFound)
directories, err2 := fs.filer.ListDirectories(r.URL.Path)
if err2 == leveldb.ErrNotFound {
glog.V(0).Infof("Error %s", err)
return
}
urlString := urlLocation
if fs.redirectOnRead {
http.Redirect(w, r, urlString, http.StatusFound)
return
args := struct {
Path string
Files interface{}
Directories interface{}
NotAllFilesDisplayed bool
}{
r.URL.Path,
files,
directories,
len(files) == fileLimit,
}
u, _ := url.Parse(urlString)
q := u.Query()
for key, values := range r.URL.Query() {
for _, value := range values {
q.Add(key, value)
}
}
u.RawQuery = q.Encode()
request := &http.Request{
Method: r.Method,
URL: u,
Proto: r.Proto,
ProtoMajor: r.ProtoMajor,
ProtoMinor: r.ProtoMinor,
Header: r.Header,
Body: r.Body,
Host: r.Host,
ContentLength: r.ContentLength,
}
glog.V(3).Infoln("retrieving from", u)
resp, do_err := util.Do(request)
if do_err != nil {
glog.V(0).Infoln("failing to connect to volume server", do_err.Error())
writeJsonError(w, r, http.StatusInternalServerError, do_err)
return
}
defer resp.Body.Close()
for k, v := range resp.Header {
w.Header()[k] = v
}
w.WriteHeader(resp.StatusCode)
io.Copy(w, resp.Body)
ui.StatusTpl.Execute(w, args)
}

53
weed/server/filer_ui/templates.go Normal file
View file

@ -0,0 +1,53 @@
package master_ui
import (
"html/template"
)
var StatusTpl = template.Must(template.New("status").Parse(`<!DOCTYPE html>
<html>
<head>
<title>SeaweedFS Filer</title>
<link rel="icon" href="http://7viirv.com1.z0.glb.clouddn.com/seaweed_favicon.png" sizes="32x32" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<div class="page-header">
<h1>
<img src="http://7viirv.com1.z0.glb.clouddn.com/seaweed50x50.png"></img>
SeaweedFS Filer
</h1>
</div>
<div class="row">
{{.Path}}
</div>
<div class="row">
<ul>
{{$path := .Path }}
{{ range $dirs_index, $dir := .Directories }}
<li>
<a href= {{ print $path $dir.Name "/"}} >
{{ $dir.Name }}
</a>
</li>
{{ end }}
{{ range $file_index, $file := .Files }}
<li>
{{ $file.Name }}
</li>
{{ end }}
</ul>
</div>
{{if .NotAllFilesDisplayed}}
<div class="row">
Not all files are displayed.
</div>
{{end}}
</div>
</body>
</html>
`))