mount: fix k8s pvc and os mount directory permission bug

weed/command/mount_std.go

@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
 	"os"
-	"os/user"
 	"path"
 	"runtime"
 	"strconv"
@@ -87,35 +86,11 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 
 	fuse.Unmount(dir)
 
-	uid, gid := uint32(0), uint32(0)
-
 	// detect mount folder mode
 	if *option.dirAutoCreate {
 		os.MkdirAll(dir, os.FileMode(0777)&^umask)
-		os.Chmod(dir, os.FileMode(0777)&^umask)
 	}
-	mountMode := os.ModeDir | 0777
 	fileInfo, err := os.Stat(dir)
-	if err == nil {
-		mountMode = os.ModeDir | fileInfo.Mode()
-		uid, gid = util.GetFileUidGid(fileInfo)
-		fmt.Printf("mount point owner uid=%d gid=%d mode=%s\n", uid, gid, fileInfo.Mode())
-	} else {
-		fmt.Printf("can not stat %s\n", dir)
-		return false
-	}
-
-	if uid == 0 {
-		if u, err := user.Current(); err == nil {
-			if parsedId, pe := strconv.ParseUint(u.Uid, 10, 32); pe == nil {
-				uid = uint32(parsedId)
-			}
-			if parsedId, pe := strconv.ParseUint(u.Gid, 10, 32); pe == nil {
-				gid = uint32(parsedId)
-			}
-			fmt.Printf("current uid=%d gid=%d\n", uid, gid)
-		}
-	}
 
 	// mapping uid, gid
 	uidGidMapper, err := meta_cache.NewUidGidMapper(*option.uidMap, *option.gidMap)
@@ -175,9 +150,6 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		CacheSizeMB:                 *option.cacheSizeMB,
 		DataCenter:                  *option.dataCenter,
 		EntryCacheTtl:               3 * time.Second,
-		MountUid:                    uid,
-		MountGid:                    gid,
-		MountMode:                   mountMode,
 		MountCtime:                  fileInfo.ModTime(),
 		MountMtime:                  time.Now(),
 		Umask:                       umask,

weed/filesys/dir.go

@@ -82,9 +82,9 @@ func (dir *Dir) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *f
 func (dir *Dir) setRootDirAttributes(attr *fuse.Attr) {
 	attr.Inode = 1 // filer2.FullPath(dir.Path).AsInode()
 	attr.Valid = time.Hour
-	attr.Uid = dir.wfs.option.MountUid
+	attr.Uid = dir.entry.Attributes.Uid
-	attr.Gid = dir.wfs.option.MountGid
+	attr.Gid = dir.entry.Attributes.Gid
-	attr.Mode = dir.wfs.option.MountMode
+	attr.Mode = os.FileMode(dir.entry.Attributes.FileMode)
 	attr.Crtime = dir.wfs.option.MountCtime
 	attr.Ctime = dir.wfs.option.MountCtime
 	attr.Mtime = dir.wfs.option.MountMtime

weed/filesys/wfs.go

@@ -37,9 +37,6 @@ type Option struct {
 	EntryCacheTtl      time.Duration
 	Umask              os.FileMode
 
-	MountUid   uint32
-	MountGid   uint32
-	MountMode  os.FileMode
 	MountCtime time.Time
 	MountMtime time.Time
 
@@ -99,7 +96,8 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 		wfs.metaCache.Shutdown()
 	})
 
-	wfs.root = &Dir{name: wfs.option.FilerMountRootPath, wfs: wfs}
+	entry, _ := filer_pb.GetEntry(wfs, util.FullPath(wfs.option.FilerMountRootPath))
+	wfs.root = &Dir{name: wfs.option.FilerMountRootPath, wfs: wfs, entry: entry}
 	wfs.fsNodeCache = newFsCache(wfs.root)
 
 	return wfs