2019-10-27 16:12:10 +00:00
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// +build linux darwin freebsd
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2014-05-13 18:25:48 +00:00
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2016-06-03 01:09:14 +00:00
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package command
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2014-05-13 18:25:48 +00:00
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import (
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2020-02-26 07:51:34 +00:00
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"context"
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2014-10-26 18:34:55 +00:00
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"fmt"
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2018-12-29 07:36:13 +00:00
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"os"
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"os/user"
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2019-04-11 06:25:41 +00:00
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"path"
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2014-10-26 18:34:55 +00:00
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"runtime"
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2018-12-29 07:36:13 +00:00
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"strconv"
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2018-11-08 15:37:34 +00:00
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"strings"
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"time"
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2014-10-26 18:34:55 +00:00
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2019-12-11 05:44:00 +00:00
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"github.com/jacobsa/daemonize"
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2018-05-27 18:52:26 +00:00
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"github.com/chrislusf/seaweedfs/weed/filesys"
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2016-06-03 01:09:14 +00:00
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"github.com/chrislusf/seaweedfs/weed/glog"
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2020-02-26 07:51:34 +00:00
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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2019-11-14 06:26:59 +00:00
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"github.com/chrislusf/seaweedfs/weed/security"
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2016-06-03 01:09:14 +00:00
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"github.com/chrislusf/seaweedfs/weed/util"
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2018-12-29 21:16:23 +00:00
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"github.com/seaweedfs/fuse"
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"github.com/seaweedfs/fuse/fs"
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2014-05-13 18:25:48 +00:00
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)
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func runMount(cmd *Command, args []string) bool {
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2019-02-18 20:11:52 +00:00
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2019-05-10 22:03:31 +00:00
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util.SetupProfiling(*mountCpuProfile, *mountMemProfile)
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2019-07-24 07:03:05 +00:00
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umask, umaskErr := strconv.ParseUint(*mountOptions.umaskString, 8, 64)
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if umaskErr != nil {
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fmt.Printf("can not parse umask %s", *mountOptions.umaskString)
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return false
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}
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2019-05-10 22:03:31 +00:00
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return RunMount(
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*mountOptions.filer,
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*mountOptions.filerMountRootPath,
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*mountOptions.dir,
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*mountOptions.collection,
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*mountOptions.replication,
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*mountOptions.dataCenter,
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*mountOptions.chunkSizeLimitMB,
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*mountOptions.allowOthers,
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*mountOptions.ttlSec,
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2019-12-13 18:22:24 +00:00
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*mountOptions.dirListCacheLimit,
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2019-07-24 07:03:05 +00:00
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os.FileMode(umask),
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2019-05-10 22:03:31 +00:00
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)
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}
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func RunMount(filer, filerMountRootPath, dir, collection, replication, dataCenter string, chunkSizeLimitMB int,
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2019-12-13 18:22:24 +00:00
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allowOthers bool, ttlSec int, dirListCacheLimit int64, umask os.FileMode) bool {
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2019-05-10 22:03:31 +00:00
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2019-06-05 08:30:24 +00:00
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util.LoadConfiguration("security", false)
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2019-02-18 20:11:52 +00:00
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2015-04-16 21:11:25 +00:00
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fmt.Printf("This is SeaweedFS version %s %s %s\n", util.VERSION, runtime.GOOS, runtime.GOARCH)
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2019-05-10 22:03:31 +00:00
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if dir == "" {
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2014-05-13 18:25:48 +00:00
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fmt.Printf("Please specify the mount directory via \"-dir\"")
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return false
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}
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2019-05-10 22:03:31 +00:00
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if chunkSizeLimitMB <= 0 {
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2018-05-29 08:21:21 +00:00
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fmt.Printf("Please specify a reasonable buffer size.")
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return false
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}
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2014-05-13 18:25:48 +00:00
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2019-05-10 22:03:31 +00:00
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fuse.Unmount(dir)
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uid, gid := uint32(0), uint32(0)
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2018-05-06 05:47:16 +00:00
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2018-12-29 07:36:13 +00:00
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// detect mount folder mode
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mountMode := os.ModeDir | 0755
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2019-05-10 22:03:31 +00:00
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fileInfo, err := os.Stat(dir)
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if err == nil {
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2018-12-29 07:36:13 +00:00
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mountMode = os.ModeDir | fileInfo.Mode()
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2019-05-10 22:03:31 +00:00
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uid, gid = util.GetFileUidGid(fileInfo)
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fmt.Printf("mount point owner uid=%d gid=%d mode=%s\n", uid, gid, fileInfo.Mode())
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2018-12-29 07:36:13 +00:00
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}
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2019-05-10 22:03:31 +00:00
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if uid == 0 {
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if u, err := user.Current(); err == nil {
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if parsedId, pe := strconv.ParseUint(u.Uid, 10, 32); pe == nil {
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uid = uint32(parsedId)
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}
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if parsedId, pe := strconv.ParseUint(u.Gid, 10, 32); pe == nil {
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gid = uint32(parsedId)
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}
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fmt.Printf("current uid=%d gid=%d\n", uid, gid)
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2018-12-29 07:36:13 +00:00
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}
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}
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2019-11-28 02:20:43 +00:00
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// Ensure target mount point availability
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2019-11-14 06:26:59 +00:00
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if isValid := checkMountPointAvailable(dir); !isValid {
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glog.Fatalf("Expected mount to still be active, target mount point: %s, please check!", dir)
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return false
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}
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2019-05-10 22:03:31 +00:00
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mountName := path.Base(dir)
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2018-11-15 06:48:54 +00:00
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2019-03-11 02:45:40 +00:00
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options := []fuse.MountOption{
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2019-04-11 06:25:41 +00:00
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fuse.VolumeName(mountName),
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2019-11-14 06:26:59 +00:00
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fuse.FSName(filer + ":" + filerMountRootPath),
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fuse.Subtype("seaweedfs"),
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2020-02-25 06:28:45 +00:00
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// fuse.NoAppleDouble(), // include .DS_Store, otherwise can not delete non-empty folders
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2018-05-07 07:37:47 +00:00
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fuse.NoAppleXattr(),
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2018-12-29 21:16:23 +00:00
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fuse.NoBrowse(),
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2018-12-29 21:55:38 +00:00
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fuse.AutoXattr(),
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2018-05-07 07:37:47 +00:00
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fuse.ExclCreate(),
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fuse.DaemonTimeout("3600"),
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fuse.AllowSUID(),
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fuse.DefaultPermissions(),
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2019-03-11 02:45:40 +00:00
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fuse.MaxReadahead(1024 * 128),
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2018-05-07 07:37:47 +00:00
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fuse.AsyncRead(),
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2018-11-11 08:43:30 +00:00
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fuse.WritebackCache(),
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2019-04-29 17:42:09 +00:00
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fuse.AllowNonEmptyMount(),
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2019-03-11 02:45:40 +00:00
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}
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2019-10-27 16:12:10 +00:00
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options = append(options, osSpecificMountOptions()...)
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2019-05-10 22:03:31 +00:00
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if allowOthers {
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2019-03-11 02:45:40 +00:00
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options = append(options, fuse.AllowOther())
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}
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2019-05-10 22:03:31 +00:00
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c, err := fuse.Mount(dir, options...)
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2014-05-13 18:25:48 +00:00
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if err != nil {
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2019-12-11 05:44:00 +00:00
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glog.V(0).Infof("mount: %v", err)
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2019-05-11 00:08:15 +00:00
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daemonize.SignalOutcome(err)
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2019-12-11 05:44:00 +00:00
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return true
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2014-05-13 18:25:48 +00:00
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}
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2017-06-22 08:33:58 +00:00
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util.OnInterrupt(func() {
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2019-05-10 22:03:31 +00:00
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fuse.Unmount(dir)
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2014-05-13 22:04:04 +00:00
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c.Close()
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})
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2014-05-13 18:25:48 +00:00
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2020-02-26 07:51:34 +00:00
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// parse filer grpc address
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2019-05-10 22:03:31 +00:00
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filerGrpcAddress, err := parseFilerGrpcAddress(filer)
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2018-07-18 09:37:09 +00:00
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if err != nil {
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2019-12-11 05:44:00 +00:00
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glog.V(0).Infof("parseFilerGrpcAddress: %v", err)
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2019-05-11 00:08:15 +00:00
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daemonize.SignalOutcome(err)
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2019-12-11 05:44:00 +00:00
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return true
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2018-06-06 06:37:41 +00:00
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}
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2020-02-26 07:51:34 +00:00
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// try to connect to filer, filerBucketsPath may be useful later
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grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
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err = withFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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2020-02-26 07:59:30 +00:00
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_, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
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2020-02-26 07:51:34 +00:00
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if err != nil {
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return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err)
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}
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return nil
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})
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if err != nil {
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glog.Fatal(err)
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return false
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}
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// find mount point
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2019-05-10 22:03:31 +00:00
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mountRoot := filerMountRootPath
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2018-07-22 08:14:36 +00:00
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if mountRoot != "/" && strings.HasSuffix(mountRoot, "/") {
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2018-07-22 08:15:11 +00:00
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mountRoot = mountRoot[0 : len(mountRoot)-1]
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2018-07-22 08:14:36 +00:00
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}
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2019-05-11 00:08:15 +00:00
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daemonize.SignalOutcome(nil)
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2018-07-22 08:14:36 +00:00
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err = fs.Serve(c, filesys.NewSeaweedFileSystem(&filesys.Option{
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FilerGrpcAddress: filerGrpcAddress,
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2020-02-26 07:51:34 +00:00
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GrpcDialOption: grpcDialOption,
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2018-07-22 08:14:36 +00:00
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FilerMountRootPath: mountRoot,
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2019-05-10 22:03:31 +00:00
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Collection: collection,
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Replication: replication,
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TtlSec: int32(ttlSec),
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ChunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024,
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DataCenter: dataCenter,
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2019-12-13 18:22:24 +00:00
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DirListCacheLimit: dirListCacheLimit,
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2018-11-08 15:37:34 +00:00
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EntryCacheTtl: 3 * time.Second,
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2018-12-29 07:36:13 +00:00
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MountUid: uid,
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MountGid: gid,
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MountMode: mountMode,
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2019-05-10 22:03:31 +00:00
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MountCtime: fileInfo.ModTime(),
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MountMtime: time.Now(),
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2019-07-24 07:03:05 +00:00
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Umask: umask,
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2018-07-22 08:14:36 +00:00
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}))
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2014-05-13 18:25:48 +00:00
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if err != nil {
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2019-05-10 22:03:31 +00:00
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fuse.Unmount(dir)
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2014-05-13 18:25:48 +00:00
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}
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// check if the mount process has an error to report
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<-c.Ready
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if err := c.MountError; err != nil {
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2019-12-11 05:44:00 +00:00
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glog.V(0).Infof("mount process: %v", err)
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2019-05-11 00:08:15 +00:00
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daemonize.SignalOutcome(err)
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2019-12-11 05:44:00 +00:00
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return true
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2014-05-13 18:25:48 +00:00
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}
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return true
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}
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