seaweedfs/weed/command/mount_std.go
2018-12-29 13:55:38 -08:00

119 lines
2.9 KiB
Go

// +build linux darwin
package command
import (
"fmt"
"os"
"os/user"
"runtime"
"strconv"
"strings"
"time"
"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 {
fmt.Printf("This is SeaweedFS version %s %s %s\n", util.VERSION, runtime.GOOS, runtime.GOARCH)
if *mountOptions.dir == "" {
fmt.Printf("Please specify the mount directory via \"-dir\"")
return false
}
if *mountOptions.chunkSizeLimitMB <= 0 {
fmt.Printf("Please specify a reasonable buffer size.")
return false
}
fuse.Unmount(*mountOptions.dir)
// detect mount folder mode
mountMode := os.ModeDir | 0755
if fileInfo, err := os.Stat(*mountOptions.dir); err == nil {
mountMode = os.ModeDir | fileInfo.Mode()
println(*mountOptions.dir, "mount mode", mountMode)
}
// detect current user
uid, gid := uint32(0), uint32(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)
}
}
util.SetupProfiling(*mountCpuProfile, *mountMemProfile)
c, err := fuse.Mount(
*mountOptions.dir,
fuse.VolumeName("SeaweedFS"),
fuse.FSName("SeaweedFS"),
fuse.Subtype("SeaweedFS"),
fuse.NoAppleDouble(),
fuse.NoAppleXattr(),
fuse.NoBrowse(),
fuse.AutoXattr(),
fuse.ExclCreate(),
fuse.DaemonTimeout("3600"),
fuse.AllowOther(),
fuse.AllowSUID(),
fuse.DefaultPermissions(),
fuse.MaxReadahead(1024*128),
fuse.AsyncRead(),
fuse.WritebackCache(),
)
if err != nil {
glog.Fatal(err)
return false
}
util.OnInterrupt(func() {
fuse.Unmount(*mountOptions.dir)
c.Close()
})
filerGrpcAddress, err := parseFilerGrpcAddress(*mountOptions.filer, *mountOptions.filerGrpcPort)
if err != nil {
glog.Fatal(err)
return false
}
mountRoot := *mountOptions.filerMountRootPath
if mountRoot != "/" && strings.HasSuffix(mountRoot, "/") {
mountRoot = mountRoot[0 : len(mountRoot)-1]
}
err = fs.Serve(c, filesys.NewSeaweedFileSystem(&filesys.Option{
FilerGrpcAddress: filerGrpcAddress,
FilerMountRootPath: mountRoot,
Collection: *mountOptions.collection,
Replication: *mountOptions.replication,
TtlSec: int32(*mountOptions.ttlSec),
ChunkSizeLimit: int64(*mountOptions.chunkSizeLimitMB) * 1024 * 1024,
DataCenter: *mountOptions.dataCenter,
DirListingLimit: *mountOptions.dirListingLimit,
EntryCacheTtl: 3 * time.Second,
MountUid: uid,
MountGid: gid,
MountMode: mountMode,
}))
if err != nil {
fuse.Unmount(*mountOptions.dir)
}
// check if the mount process has an error to report
<-c.Ready
if err := c.MountError; err != nil {
glog.Fatal(err)
}
return true
}