seaweedfs/weed/command/mount_std.go

201 lines
5.5 KiB
Go
Raw Normal View History

// +build linux darwin freebsd
package command
import (
"context"
"fmt"
"os"
"os/user"
"path"
"runtime"
"strconv"
"strings"
"time"
2018-05-27 18:52:26 +00:00
"github.com/chrislusf/seaweedfs/weed/filesys"
"github.com/chrislusf/seaweedfs/weed/glog"
2020-03-04 08:39:47 +00:00
"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/util"
"github.com/chrislusf/seaweedfs/weed/util/grace"
2018-12-29 21:16:23 +00:00
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
)
func runMount(cmd *Command, args []string) bool {
2019-02-18 20:11:52 +00:00
grace.SetupProfiling(*mountCpuProfile, *mountMemProfile)
2019-05-10 22:03:31 +00:00
umask, umaskErr := strconv.ParseUint(*mountOptions.umaskString, 8, 64)
if umaskErr != nil {
fmt.Printf("can not parse umask %s", *mountOptions.umaskString)
return false
}
2020-06-05 22:27:10 +00:00
if len(args) > 0 {
return false
}
return RunMount(&mountOptions, os.FileMode(umask))
2019-05-10 22:03:31 +00:00
}
func RunMount(option *MountOptions, umask os.FileMode) bool {
filer := *option.filer
// parse filer grpc address
filerGrpcAddress, err := pb.ParseFilerGrpcAddress(filer)
if err != nil {
glog.V(0).Infof("ParseFilerGrpcAddress: %v", err)
return true
}
// try to connect to filer, filerBucketsPath may be useful later
grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
var cipher bool
err = pb.WithGrpcFilerClient(filerGrpcAddress, 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 %s configuration: %v", filerGrpcAddress, err)
}
cipher = resp.Cipher
return nil
})
if err != nil {
glog.Infof("failed to talk to filer %s: %v", filerGrpcAddress, err)
return true
}
filerMountRootPath := *option.filerMountRootPath
dir := *option.dir
chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB
2019-05-10 22:03:31 +00:00
util.LoadConfiguration("security", false)
2019-02-18 20:11:52 +00:00
2020-06-02 07:10:35 +00:00
fmt.Printf("This is SeaweedFS version %s %s %s\n", util.Version(), runtime.GOOS, runtime.GOARCH)
2019-05-10 22:03:31 +00:00
if dir == "" {
fmt.Printf("Please specify the mount directory via \"-dir\"")
return false
}
2019-05-10 22:03:31 +00:00
if chunkSizeLimitMB <= 0 {
2018-05-29 08:21:21 +00:00
fmt.Printf("Please specify a reasonable buffer size.")
return false
}
2019-05-10 22:03:31 +00:00
fuse.Unmount(dir)
uid, gid := uint32(0), uint32(0)
2018-05-06 05:47:16 +00:00
// detect mount folder mode
if *option.dirAutoCreate {
os.MkdirAll(dir, 0755)
}
mountMode := os.ModeDir | 0755
2019-05-10 22:03:31 +00:00
fileInfo, err := os.Stat(dir)
if err == nil {
mountMode = os.ModeDir | fileInfo.Mode()
2019-05-10 22:03:31 +00:00
uid, gid = util.GetFileUidGid(fileInfo)
fmt.Printf("mount point owner uid=%d gid=%d mode=%s\n", uid, gid, fileInfo.Mode())
}
2019-05-10 22:03:31 +00:00
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)
}
}
// 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
}
2019-05-10 22:03:31 +00:00
mountName := path.Base(dir)
2018-11-15 06:48:54 +00:00
options := []fuse.MountOption{
fuse.VolumeName(mountName),
fuse.FSName(filer + ":" + filerMountRootPath),
fuse.Subtype("seaweedfs"),
// fuse.NoAppleDouble(), // include .DS_Store, otherwise can not delete non-empty folders
2018-05-07 07:37:47 +00:00
fuse.NoAppleXattr(),
2018-12-29 21:16:23 +00:00
fuse.NoBrowse(),
2018-12-29 21:55:38 +00:00
fuse.AutoXattr(),
2018-05-07 07:37:47 +00:00
fuse.ExclCreate(),
fuse.DaemonTimeout("3600"),
fuse.AllowSUID(),
fuse.DefaultPermissions(),
fuse.MaxReadahead(1024 * 128),
2018-05-07 07:37:47 +00:00
fuse.AsyncRead(),
2018-11-11 08:43:30 +00:00
fuse.WritebackCache(),
}
options = append(options, osSpecificMountOptions()...)
if *option.allowOthers {
options = append(options, fuse.AllowOther())
}
if *option.nonempty {
options = append(options, fuse.AllowNonEmptyMount())
}
// find mount point
2019-05-10 22:03:31 +00:00
mountRoot := filerMountRootPath
2018-07-22 08:14:36 +00:00
if mountRoot != "/" && strings.HasSuffix(mountRoot, "/") {
2018-07-22 08:15:11 +00:00
mountRoot = mountRoot[0 : len(mountRoot)-1]
2018-07-22 08:14:36 +00:00
}
seaweedFileSystem := filesys.NewSeaweedFileSystem(&filesys.Option{
FilerGrpcAddress: filerGrpcAddress,
GrpcDialOption: grpcDialOption,
FilerMountRootPath: mountRoot,
Collection: *option.collection,
Replication: *option.replication,
TtlSec: int32(*option.ttlSec),
ChunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024,
2020-04-12 04:12:41 +00:00
CacheDir: *option.cacheDir,
CacheSizeMB: *option.cacheSizeMB,
DataCenter: *option.dataCenter,
DirListCacheLimit: *option.dirListCacheLimit,
EntryCacheTtl: 3 * time.Second,
MountUid: uid,
MountGid: gid,
MountMode: mountMode,
MountCtime: fileInfo.ModTime(),
MountMtime: time.Now(),
Umask: umask,
OutsideContainerClusterMode: *mountOptions.outsideContainerClusterMode,
Cipher: cipher,
})
// mount
c, err := fuse.Mount(dir, options...)
if err != nil {
glog.V(0).Infof("mount: %v", err)
return true
}
defer fuse.Unmount(dir)
grace.OnInterrupt(func() {
fuse.Unmount(dir)
c.Close()
})
glog.V(0).Infof("mounted %s%s to %s", filer, mountRoot, dir)
err = fs.Serve(c, seaweedFileSystem)
// check if the mount process has an error to report
<-c.Ready
if err := c.MountError; err != nil {
2019-12-11 05:44:00 +00:00
glog.V(0).Infof("mount process: %v", err)
return true
}
return true
}