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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2020-12-13 08:58:58 +00:00
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"github.com/chrislusf/seaweedfs/weed/storage"
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2018-12-29 07:36:13 +00:00
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"os"
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2020-10-03 20:37:33 +00:00
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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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2020-11-01 10:36:43 +00:00
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"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
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2020-07-16 20:24:53 +00:00
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"github.com/seaweedfs/fuse"
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"github.com/seaweedfs/fuse/fs"
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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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2020-03-04 08:39:47 +00:00
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"github.com/chrislusf/seaweedfs/weed/pb"
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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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2020-04-28 06:10:23 +00:00
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"github.com/chrislusf/seaweedfs/weed/util/grace"
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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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2020-04-28 06:10:23 +00:00
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grace.SetupProfiling(*mountCpuProfile, *mountMemProfile)
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2020-10-11 03:09:43 +00:00
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if *mountReadRetryTime < time.Second {
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*mountReadRetryTime = time.Second
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}
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2020-11-01 10:36:43 +00:00
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util.RetryWaitTime = *mountReadRetryTime
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2019-05-10 22:03:31 +00:00
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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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2020-06-05 22:27:10 +00:00
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if len(args) > 0 {
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2020-05-18 17:07:12 +00:00
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return false
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}
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2020-03-22 02:14:25 +00:00
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return RunMount(&mountOptions, os.FileMode(umask))
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2019-05-10 22:03:31 +00:00
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}
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2020-03-22 02:14:25 +00:00
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func RunMount(option *MountOptions, umask os.FileMode) bool {
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filer := *option.filer
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2020-04-03 07:21:03 +00:00
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// parse filer grpc address
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filerGrpcAddress, err := pb.ParseFilerGrpcAddress(filer)
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if err != nil {
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glog.V(0).Infof("ParseFilerGrpcAddress: %v", err)
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return true
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}
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2020-12-29 19:51:38 +00:00
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util.LoadConfiguration("security", false)
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2020-04-03 07:21:03 +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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var cipher bool
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err = pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
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if err != nil {
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2020-04-03 07:24:09 +00:00
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return fmt.Errorf("get filer grpc address %s configuration: %v", filerGrpcAddress, err)
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2020-04-03 07:21:03 +00:00
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}
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cipher = resp.Cipher
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return nil
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})
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if err != nil {
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glog.Infof("failed to talk to filer %s: %v", filerGrpcAddress, err)
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return true
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}
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2020-03-22 02:14:25 +00:00
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filerMountRootPath := *option.filerMountRootPath
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2020-07-17 05:38:55 +00:00
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dir := util.ResolvePath(*option.dir)
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2020-03-22 02:14:25 +00:00
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chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB
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2019-05-10 22:03:31 +00:00
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2020-06-02 07:10:35 +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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2018-12-29 07:36:13 +00:00
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// detect mount folder mode
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2020-06-12 18:46:58 +00:00
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if *option.dirAutoCreate {
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2020-09-24 02:25:45 +00:00
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os.MkdirAll(dir, os.FileMode(0777)&^umask)
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2020-06-12 18:46:58 +00:00
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}
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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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2018-12-29 07:36:13 +00:00
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2020-10-03 20:37:33 +00:00
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uid, gid := uint32(0), uint32(0)
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mountMode := os.ModeDir | 0777
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if err == nil {
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2021-01-27 04:06:08 +00:00
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mountMode = os.ModeDir | os.FileMode(0777)&^umask
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2020-10-03 20:37:33 +00:00
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uid, gid = util.GetFileUidGid(fileInfo)
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2021-01-27 04:45:52 +00:00
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fmt.Printf("mount point owner uid=%d gid=%d mode=%s\n", uid, gid, mountMode)
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2020-10-03 20:37:33 +00:00
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} else {
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fmt.Printf("can not stat %s\n", dir)
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return false
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}
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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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}
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}
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2020-09-03 07:07:22 +00:00
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// mapping uid, gid
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uidGidMapper, err := meta_cache.NewUidGidMapper(*option.uidMap, *option.gidMap)
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if err != nil {
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fmt.Printf("failed to parse %s %s: %v\n", *option.uidMap, *option.gidMap, err)
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return false
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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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2020-04-03 07:21:03 +00:00
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return true
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2019-11-14 06:26:59 +00:00
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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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2021-01-21 07:30:14 +00:00
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fuse.MaxBackground(128),
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fuse.CongestionThreshold(128),
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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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2020-03-22 02:14:25 +00:00
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if *option.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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2020-03-22 02:14:25 +00:00
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if *option.nonempty {
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options = append(options, fuse.AllowNonEmptyMount())
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}
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2019-03-11 02:45:40 +00:00
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2020-02-26 07:51:34 +00:00
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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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2021-02-13 21:50:14 +00:00
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diskType := storage.ToDiskType(*option.diskType)
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2020-12-13 08:58:58 +00:00
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2020-05-18 17:31:12 +00:00
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seaweedFileSystem := filesys.NewSeaweedFileSystem(&filesys.Option{
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2021-01-28 23:23:46 +00:00
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MountDirectory: dir,
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FilerAddress: filer,
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FilerGrpcAddress: filerGrpcAddress,
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GrpcDialOption: grpcDialOption,
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FilerMountRootPath: mountRoot,
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Collection: *option.collection,
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Replication: *option.replication,
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TtlSec: int32(*option.ttlSec),
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2021-02-09 19:37:07 +00:00
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DiskType: diskType,
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2021-01-28 23:23:46 +00:00
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ChunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024,
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ConcurrentWriters: *option.concurrentWriters,
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2021-01-28 23:23:16 +00:00
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CacheDir: *option.cacheDir,
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CacheSizeMB: *option.cacheSizeMB,
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DataCenter: *option.dataCenter,
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EntryCacheTtl: 3 * time.Second,
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MountUid: uid,
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MountGid: gid,
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MountMode: mountMode,
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MountCtime: fileInfo.ModTime(),
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MountMtime: time.Now(),
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Umask: umask,
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VolumeServerAccess: *mountOptions.volumeServerAccess,
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Cipher: cipher,
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UidGidMapper: uidGidMapper,
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2020-05-18 17:31:12 +00:00
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})
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// mount
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c, err := fuse.Mount(dir, options...)
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if err != nil {
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glog.V(0).Infof("mount: %v", err)
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return true
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}
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defer fuse.Unmount(dir)
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grace.OnInterrupt(func() {
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fuse.Unmount(dir)
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c.Close()
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})
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glog.V(0).Infof("mounted %s%s to %s", filer, mountRoot, dir)
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2021-01-28 03:56:41 +00:00
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server := fs.New(c, nil)
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seaweedFileSystem.Server = server
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err = server.Serve(seaweedFileSystem)
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2014-05-13 18:25:48 +00:00
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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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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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