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package shell
import ( "context" "flag" "github.com/seaweedfs/seaweedfs/weed/pb" "io"
"github.com/seaweedfs/seaweedfs/weed/operation" "github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb" "github.com/seaweedfs/seaweedfs/weed/storage/needle" "google.golang.org/grpc" )
func init() { Commands = append(Commands, &commandVolumeMount{}) }
type commandVolumeMount struct { }
func (c *commandVolumeMount) Name() string { return "volume.mount" }
func (c *commandVolumeMount) Help() string { return `mount a volume from one volume server
volume.mount -node <volume server host:port> -volumeId <volume id>
This command mounts a volume from one volume server.
` }
func (c *commandVolumeMount) IsResourceHeavy() bool { return false }
func (c *commandVolumeMount) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
volMountCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError) volumeIdInt := volMountCommand.Int("volumeId", 0, "the volume id") nodeStr := volMountCommand.String("node", "", "the volume server <host>:<port>") if err = volMountCommand.Parse(args); err != nil { return nil }
if err = commandEnv.confirmIsLocked(args); err != nil { return }
sourceVolumeServer := pb.ServerAddress(*nodeStr)
volumeId := needle.VolumeId(*volumeIdInt)
return mountVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)
}
func mountVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, sourceVolumeServer pb.ServerAddress) (err error) { return operation.WithVolumeServerClient(false, sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error { _, mountErr := volumeServerClient.VolumeMount(context.Background(), &volume_server_pb.VolumeMountRequest{ VolumeId: uint32(volumeId), }) return mountErr }) }
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