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// +build linux darwin freebsd
package command
import ( "fmt" "os" "os/user" "path" "runtime" "strconv" "strings" "time"
"github.com/chrislusf/seaweedfs/weed/security" "github.com/jacobsa/daemonize" "github.com/spf13/viper"
"github.com/chrislusf/seaweedfs/weed/filesys" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/util" "github.com/seaweedfs/fuse" "github.com/seaweedfs/fuse/fs" )
func runMount(cmd *Command, args []string) bool {
util.SetupProfiling(*mountCpuProfile, *mountMemProfile)
umask, umaskErr := strconv.ParseUint(*mountOptions.umaskString, 8, 64) if umaskErr != nil { fmt.Printf("can not parse umask %s", *mountOptions.umaskString) return false }
return RunMount( *mountOptions.filer, *mountOptions.filerMountRootPath, *mountOptions.dir, *mountOptions.collection, *mountOptions.replication, *mountOptions.dataCenter, *mountOptions.chunkSizeLimitMB, *mountOptions.allowOthers, *mountOptions.ttlSec, *mountOptions.dirListingLimit, os.FileMode(umask), ) }
func RunMount(filer, filerMountRootPath, dir, collection, replication, dataCenter string, chunkSizeLimitMB int, allowOthers bool, ttlSec int, dirListingLimit int, umask os.FileMode) bool {
util.LoadConfiguration("security", false)
fmt.Printf("This is SeaweedFS version %s %s %s\n", util.VERSION, runtime.GOOS, runtime.GOARCH) if dir == "" { fmt.Printf("Please specify the mount directory via \"-dir\"") return false } if chunkSizeLimitMB <= 0 { fmt.Printf("Please specify a reasonable buffer size.") return false }
fuse.Unmount(dir)
uid, gid := uint32(0), uint32(0)
// detect mount folder mode
mountMode := os.ModeDir | 0755 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()) }
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) } }
mountName := path.Base(dir)
options := []fuse.MountOption{ fuse.VolumeName(mountName), fuse.FSName("SeaweedFS"), fuse.Subtype("SeaweedFS"), fuse.NoAppleDouble(), fuse.NoAppleXattr(), fuse.NoBrowse(), fuse.AutoXattr(), fuse.ExclCreate(), fuse.DaemonTimeout("3600"), fuse.AllowSUID(), fuse.DefaultPermissions(), fuse.MaxReadahead(1024 * 128), fuse.AsyncRead(), fuse.WritebackCache(), fuse.AllowNonEmptyMount(), }
options = append(options, osSpecificMountOptions()...)
if allowOthers { options = append(options, fuse.AllowOther()) }
c, err := fuse.Mount(dir, options...) if err != nil { glog.Fatal(err) daemonize.SignalOutcome(err) return false }
util.OnInterrupt(func() { fuse.Unmount(dir) c.Close() })
filerGrpcAddress, err := parseFilerGrpcAddress(filer) if err != nil { glog.Fatal(err) daemonize.SignalOutcome(err) return false }
mountRoot := filerMountRootPath if mountRoot != "/" && strings.HasSuffix(mountRoot, "/") { mountRoot = mountRoot[0 : len(mountRoot)-1] }
daemonize.SignalOutcome(nil)
err = fs.Serve(c, filesys.NewSeaweedFileSystem(&filesys.Option{ FilerGrpcAddress: filerGrpcAddress, GrpcDialOption: security.LoadClientTLS(viper.Sub("grpc"), "client"), FilerMountRootPath: mountRoot, Collection: collection, Replication: replication, TtlSec: int32(ttlSec), ChunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024, DataCenter: dataCenter, DirListingLimit: dirListingLimit, EntryCacheTtl: 3 * time.Second, MountUid: uid, MountGid: gid, MountMode: mountMode, MountCtime: fileInfo.ModTime(), MountMtime: time.Now(), Umask: umask, })) if err != nil { fuse.Unmount(dir) }
// check if the mount process has an error to report
<-c.Ready if err := c.MountError; err != nil { glog.Fatal(err) daemonize.SignalOutcome(err) }
return true }
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