seaweedfs/weed/command/mount_std.go
2018-07-21 17:39:10 -07:00

96 lines
2.4 KiB
Go

// +build linux darwin
package command
import (
"fmt"
"runtime"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"github.com/chrislusf/seaweedfs/weed/filesys"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/util"
"strconv"
"strings"
)
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)
c, err := fuse.Mount(
*mountOptions.dir,
fuse.VolumeName("SeaweedFS"),
fuse.FSName("SeaweedFS"),
fuse.NoAppleDouble(),
fuse.NoAppleXattr(),
fuse.ExclCreate(),
fuse.DaemonTimeout("3600"),
fuse.AllowOther(),
fuse.AllowSUID(),
fuse.DefaultPermissions(),
// fuse.MaxReadahead(1024*128), // TODO: not tested yet, possibly improving read performance
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
}
err = fs.Serve(c, filesys.NewSeaweedFileSystem(
filerGrpcAddress, *mountOptions.filerMountRootPath, *mountOptions.collection, *mountOptions.replication, int32(*mountOptions.ttlSec),
*mountOptions.chunkSizeLimitMB, *mountOptions.dataCenter))
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
}
func parseFilerGrpcAddress(filer string, optionalGrpcPort int) (filerGrpcAddress string, err error) {
hostnameAndPort := strings.Split(filer, ":")
if len(hostnameAndPort) != 2 {
return "", fmt.Errorf("The filer should have hostname:port format: %v", hostnameAndPort)
}
filerPort, parseErr := strconv.ParseUint(hostnameAndPort[1], 10, 64)
if parseErr != nil {
return "", fmt.Errorf("The filer filer port parse error: %v", parseErr)
}
filerGrpcPort := int(filerPort) + 10000
if optionalGrpcPort != 0 {
filerGrpcPort = optionalGrpcPort
}
return fmt.Sprintf("%s:%d", hostnameAndPort[0], filerGrpcPort), nil
}