diff options
Diffstat (limited to 'weed/command/mount_std.go')
| -rw-r--r-- | weed/command/mount_std.go | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/weed/command/mount_std.go b/weed/command/mount_std.go new file mode 100644 index 000000000..e53f9831e --- /dev/null +++ b/weed/command/mount_std.go @@ -0,0 +1,236 @@ +//go:build linux || darwin +// +build linux darwin + +package command + +import ( + "context" + "fmt" + "github.com/chrislusf/seaweedfs/weed/glog" + "github.com/chrislusf/seaweedfs/weed/mount" + "github.com/chrislusf/seaweedfs/weed/mount/meta_cache" + "github.com/chrislusf/seaweedfs/weed/mount/unmount" + "github.com/chrislusf/seaweedfs/weed/pb" + "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" + "github.com/chrislusf/seaweedfs/weed/security" + "github.com/chrislusf/seaweedfs/weed/storage/types" + "github.com/hanwen/go-fuse/v2/fuse" + "net/http" + "os" + "os/user" + "runtime" + "strconv" + "strings" + "time" + + "github.com/chrislusf/seaweedfs/weed/util" + "github.com/chrislusf/seaweedfs/weed/util/grace" +) + +func runMount(cmd *Command, args []string) bool { + + if *mountOptions.debug { + go http.ListenAndServe(fmt.Sprintf(":%d", *mountOptions.debugPort), nil) + } + + grace.SetupProfiling(*mountCpuProfile, *mountMemProfile) + if *mountReadRetryTime < time.Second { + *mountReadRetryTime = time.Second + } + util.RetryWaitTime = *mountReadRetryTime + + umask, umaskErr := strconv.ParseUint(*mountOptions.umaskString, 8, 64) + if umaskErr != nil { + fmt.Printf("can not parse umask %s", *mountOptions.umaskString) + return false + } + + if len(args) > 0 { + return false + } + + return RunMount2(&mountOptions, os.FileMode(umask)) +} + +func RunMount2(option *MountOptions, umask os.FileMode) bool { + + // basic checks + chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB + if chunkSizeLimitMB <= 0 { + fmt.Printf("Please specify a reasonable buffer size.") + return false + } + + // try to connect to filer + filerAddresses := pb.ServerAddresses(*option.filer).ToAddresses() + util.LoadConfiguration("security", false) + grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client") + var cipher bool + var err error + for i := 0; i < 10; i++ { + err = pb.WithOneOfGrpcFilerClients(false, filerAddresses, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error { + resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{}) + if err != nil { + return fmt.Errorf("get filer grpc address %v configuration: %v", filerAddresses, err) + } + cipher = resp.Cipher + return nil + }) + if err != nil { + glog.V(0).Infof("failed to talk to filer %v: %v", filerAddresses, err) + glog.V(0).Infof("wait for %d seconds ...", i+1) + time.Sleep(time.Duration(i+1) * time.Second) + } + } + if err != nil { + glog.Errorf("failed to talk to filer %v: %v", filerAddresses, err) + return true + } + + filerMountRootPath := *option.filerMountRootPath + + // clean up mount point + dir := util.ResolvePath(*option.dir) + if dir == "" { + fmt.Printf("Please specify the mount directory via \"-dir\"") + return false + } + + unmount.Unmount(dir) + + // detect mount folder mode + if *option.dirAutoCreate { + os.MkdirAll(dir, os.FileMode(0777)&^umask) + } + fileInfo, err := os.Stat(dir) + + // collect uid, gid + uid, gid := uint32(0), uint32(0) + mountMode := os.ModeDir | 0777 + if err == nil { + mountMode = os.ModeDir | os.FileMode(0777)&^umask + uid, gid = util.GetFileUidGid(fileInfo) + fmt.Printf("mount point owner uid=%d gid=%d mode=%s\n", uid, gid, mountMode) + } else { + fmt.Printf("can not stat %s\n", dir) + return false + } + + // detect uid, gid + 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) + if err != nil { + fmt.Printf("failed to parse %s %s: %v\n", *option.uidMap, *option.gidMap, err) + return false + } + + // Ensure target mount point availability + if isValid := checkMountPointAvailable(dir); !isValid { + glog.Fatalf("Expected mount to still be active, target mount point: %s, please check!", dir) + return true + } + + // mount fuse + fuseMountOptions := &fuse.MountOptions{ + AllowOther: *option.allowOthers, + Options: nil, + MaxBackground: 128, + MaxWrite: 1024 * 1024 * 2, + MaxReadAhead: 1024 * 1024 * 2, + IgnoreSecurityLabels: false, + RememberInodes: false, + FsName: *option.filer + ":" + filerMountRootPath, + Name: "seaweedfs", + SingleThreaded: false, + DisableXAttrs: false, + Debug: *option.debug, + EnableLocks: false, + ExplicitDataCacheControl: false, + DirectMount: true, + DirectMountFlags: 0, + //SyncRead: false, // set to false to enable the FUSE_CAP_ASYNC_READ capability + //EnableAcl: true, + } + if *option.nonempty { + fuseMountOptions.Options = append(fuseMountOptions.Options, "nonempty") + } + if *option.readOnly { + if runtime.GOOS == "darwin" { + fuseMountOptions.Options = append(fuseMountOptions.Options, "rdonly") + } else { + fuseMountOptions.Options = append(fuseMountOptions.Options, "ro") + } + } + if runtime.GOOS == "darwin" { + // https://github-wiki-see.page/m/macfuse/macfuse/wiki/Mount-Options + ioSizeMB := 1 + for ioSizeMB*2 <= *option.chunkSizeLimitMB && ioSizeMB*2 <= 32 { + ioSizeMB *= 2 + } + fuseMountOptions.Options = append(fuseMountOptions.Options, "daemon_timeout=600") + fuseMountOptions.Options = append(fuseMountOptions.Options, "noapplexattr") + // fuseMountOptions.Options = append(fuseMountOptions.Options, "novncache") // need to test effectiveness + fuseMountOptions.Options = append(fuseMountOptions.Options, "slow_statfs") + fuseMountOptions.Options = append(fuseMountOptions.Options, "volname="+*option.filer) + fuseMountOptions.Options = append(fuseMountOptions.Options, fmt.Sprintf("iosize=%d", ioSizeMB*1024*1024)) + } + + // find mount point + mountRoot := filerMountRootPath + if mountRoot != "/" && strings.HasSuffix(mountRoot, "/") { + mountRoot = mountRoot[0 : len(mountRoot)-1] + } + + seaweedFileSystem := mount.NewSeaweedFileSystem(&mount.Option{ + MountDirectory: dir, + FilerAddresses: filerAddresses, + GrpcDialOption: grpcDialOption, + FilerMountRootPath: mountRoot, + Collection: *option.collection, + Replication: *option.replication, + TtlSec: int32(*option.ttlSec), + DiskType: types.ToDiskType(*option.diskType), + ChunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024, + ConcurrentWriters: *option.concurrentWriters, + CacheDir: *option.cacheDir, + CacheSizeMB: *option.cacheSizeMB, + DataCenter: *option.dataCenter, + MountUid: uid, + MountGid: gid, + MountMode: mountMode, + MountCtime: fileInfo.ModTime(), + MountMtime: time.Now(), + Umask: umask, + VolumeServerAccess: *mountOptions.volumeServerAccess, + Cipher: cipher, + UidGidMapper: uidGidMapper, + }) + + server, err := fuse.NewServer(seaweedFileSystem, dir, fuseMountOptions) + if err != nil { + glog.Fatalf("Mount fail: %v", err) + } + grace.OnInterrupt(func() { + unmount.Unmount(dir) + }) + + seaweedFileSystem.StartBackgroundTasks() + + fmt.Printf("This is SeaweedFS version %s %s %s\n", util.Version(), runtime.GOOS, runtime.GOARCH) + + server.Serve() + + return true +} |
